//
//  KMPurchaseCompareWindowController.m
//  PDF Reader
//
//  Created by wangshuai on 2017/5/8.
//  Copyright © 2017年 zhangjie. All rights reserved.
//

#import "KMPurchaseCompareWindowController.h"
#import <PDF_Reader_Pro-Swift.h>

#import "KMPurchaseCompareDMGWindowController.h"
//#import "WaitingView.h"
//#import "NSButton+TitleColor.h"
//#import "HyperLinkButton.h"
//#import "IAPProductsManager.h"
//#import "GAIManager.h"
//#import "NSImage_SKExtensions.h"
//
//#import "KMButton.h"
//#import "KMCustomButton.h"
//#import "KMKdanRemoteConfig.h"
//#import "VerificationManager.h"
//#import "KMVerificationWindowController.h"
//#import "SKInspectPublicTool.h"
//#import "FMTrackEventManager.h"
//#import "NSFont+Custom.h"
//#if !VERSION_DMG
//#import <StoreKit/StoreKit.h>
//#endif

static NSString *const KMPurchaseCompareEmptyCellIdentifier = @"KMPurchaseCompareEmptyCellIdentifier";
static NSString *const KMPurchaseCompareHeaderCellIdentifier = @"KMPurchaseCompareHeaderCell";
static NSString *const KMPurchaseCompareCellIdentifier       = @"KMPurchaseCompareCell";

#pragma mark - KMPurchaseCompareEmptyCell
@interface KMPurchaseCompareEmptyCell : NSTableCellView

@end

@implementation KMPurchaseCompareEmptyCell

- (void)dealloc {
    [NSDistributedNotificationCenter.defaultCenter removeObserver:self];
    
}

- (void)awakeFromNib {
    [super awakeFromNib];

    self.wantsLayer = YES;
    [self updateViewColor];

    [NSDistributedNotificationCenter.defaultCenter addObserver:self selector:@selector(themeChanged:) name:@"AppleInterfaceThemeChangedNotification" object: nil];
}

- (void)themeChanged:(NSNotification *)notification {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self updateViewColor];
    });
}

- (void)updateViewColor {
    if ([KMAppearance isDarkMode]) {
        self.layer.backgroundColor = [NSColor colorWithRed:24/255.0 green:22/255.0 blue:31/255. alpha:1.].CGColor;
    } else {
        self.layer.backgroundColor = [NSColor colorWithRed:247/255.0 green:245/255.0 blue:1 alpha:1.].CGColor;
    }
}

@end


@interface KMPurchaseCompareHeaderCell : NSTableCellView

@property (nonatomic,assign) IBOutlet NSView *contentView;

@end

@implementation KMPurchaseCompareHeaderCell

- (void)dealloc
{
    [NSDistributedNotificationCenter.defaultCenter removeObserver:self];
    
}

- (void)awakeFromNib
{
    [super awakeFromNib];
    self.contentView.wantsLayer = YES;
    
    [self updateViewColor];

    [NSDistributedNotificationCenter.defaultCenter addObserver:self selector:@selector(themeChanged:) name:@"AppleInterfaceThemeChangedNotification" object: nil];
}

- (void)themeChanged:(NSNotification *)notification {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self updateViewColor];
    });
}

- (void)updateViewColor {
    if ([KMAppearance isDarkMode]) {
        self.contentView.layer.backgroundColor = [NSColor colorWithRed:40/255. green:38/255. blue:47/255. alpha:1].CGColor;
    } else {
        self.contentView.layer.backgroundColor = [NSColor colorWithRed:237/255. green:231/255. blue:255/255. alpha:1].CGColor;
    }
    self.textField.textColor = [KMAppearance KMColor_Layout_H0];
    self.textField.font = [NSFont boldSystemFontOfSize:14.0];
}

@end

#pragma mark - KMPurchaseCompareCell

@interface KMPurchaseCompareCell : NSTableCellView

@property (nonatomic,assign) IBOutlet NSView *bgColorView;

@property (nonatomic,assign) IBOutlet NSTextField *value1Label;
@property (nonatomic,assign) IBOutlet NSTextField *value2Label;
@property (nonatomic,assign) IBOutlet NSTextField *value3Label;
@property (nonatomic,assign) IBOutlet NSTextField *value4Label;
@property (nonatomic,assign) IBOutlet NSImageView *value1ImageView;
@property (nonatomic,assign) IBOutlet NSImageView *value2ImageView;
@property (nonatomic,assign) IBOutlet NSImageView *value3ImageView;
@property (nonatomic,assign) IBOutlet NSImageView *value4ImageView;

@property (nonatomic,assign) IBOutlet NSBox *lineBox;

@property (assign) IBOutlet NSLayoutConstraint *boxBottomConst;

@end

@implementation KMPurchaseCompareCell

- (void)dealloc
{
    [NSDistributedNotificationCenter.defaultCenter removeObserver:self];
    
}

- (void)awakeFromNib
{
    [super awakeFromNib];
    
    self.bgColorView.wantsLayer = YES;
    
    [self updateViewColor];
    [NSDistributedNotificationCenter.defaultCenter addObserver:self selector:@selector(themeChanged:) name:@"AppleInterfaceThemeChangedNotification" object: nil];
}

- (void)themeChanged:(NSNotification *)notification {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self updateViewColor];
    });
}

- (void)updateViewColor {
    
    self.bgColorView.layer.backgroundColor = [NSColor colorWithRed:247/255.0 green:245/255.0 blue:1 alpha:1.].CGColor;
    NSColor *textColor = [NSColor colorWithRed:68.0/255.0 green:68.0/255.0 blue:68.0/255.0 alpha:1.0];
    NSColor *subtextColor = [NSColor colorWithRed:141.0/255.0 green:141.0/255.0 blue:141.0/255.0 alpha:1.0];
    NSColor *lineColor = [NSColor colorWithRed:204.0/255.0 green:204.0/255.0 blue:204.0/255.0 alpha:0.4];
    
    if ([KMAppearance isDarkMode]) {
        self.bgColorView.layer.backgroundColor = [NSColor colorWithRed:24/255.0 green:22/255.0 blue:31/255. alpha:1.].CGColor;
        textColor = [NSColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:0.8];
        subtextColor = [NSColor colorWithRed:255.0/255.0 green:255.0/255.0 blue:255.0/255.0 alpha:0.6];
        lineColor = [NSColor colorWithRed:0.0/255.0 green:0.0/255.0 blue:0.0/255.0 alpha:0.15];
    }
    
    self.value1Label.textColor = subtextColor;
    self.value2Label.textColor = self.value3Label.textColor = self.value4Label.textColor = subtextColor;
    self.lineBox.fillColor = lineColor;
    self.textField.textColor = textColor;
}

@end

#pragma mark - KMPurchaseCompareWindowController

static KMPurchaseCompareDMGWindowController *dmgSingleton = nil;
static KMPurchaseFirstTrialWindowController *firstTrialSingleton = nil;

@interface KMPurchaseCompareWindowController ()<NSTableViewDelegate, NSTableViewDataSource>

@property (nonatomic,assign) NSModalSession modalSession;

@property (nonatomic,retain) NSArray *dataSource;

@property (nonatomic,assign) IBOutlet NSTableView *tableView;

@property (nonatomic,assign) IBOutlet NSTextField *titleLabel;

@property (nonatomic,assign) IBOutlet NSTextField *switchLabel;
@property (nonatomic,assign) IBOutlet NSButton *switchButton;

@property (assign) IBOutlet NSView *freeInfoView;
@property (assign) IBOutlet NSTextField *freeInfoLabel;

@property (assign) IBOutlet NSView *value1InfoView;
@property (assign) IBOutlet NSBox *value1InfoBox;

@property (assign) IBOutlet NSTextField *value1InfoLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value1PurchaseLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value1PurchaseSubLabel;
@property (nonatomic,assign) IBOutlet KMButton *value1PurchaseButton;
@property (assign) IBOutlet NSTextField *value1PurchaseBtnLbl;
@property (assign) IBOutlet NSButton *value1PurchaseBtnLblBtn;

@property (assign) IBOutlet NSView *value2InfoView;
@property (assign) IBOutlet NSTextField *value2InfoLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value2PurchaseLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value2PurchaseSubLabel;
@property (nonatomic,assign) IBOutlet KMButton *value2PurchaseButton;
@property (assign) IBOutlet NSTextField *value2PurchaseLbl;
@property (assign) IBOutlet KMButton *value2PurchaseLblBtn;

@property (assign) IBOutlet NSView *value3InfoView;
@property (assign) IBOutlet NSTextField *value3InfoLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value3PurchaseLabel;
@property (nonatomic,assign) IBOutlet NSTextField *value3PurchaseSubLabel;
@property (nonatomic,assign) IBOutlet KMButton *value3PurchaseButton;
@property (strong) IBOutlet NSTextField *value3PurchaseBtnLbl;

@property (nonatomic,assign) IBOutlet NSButton *aboutButton;
@property (nonatomic,assign) IBOutlet KMButton *btnRestore;
@property (assign) IBOutlet KMButton *privacyPolicyBtn;
@property (assign) IBOutlet KMButton *termOfSerBtn;

@property (nonatomic,assign) IBOutlet NSTextView *textView;

@property (nonatomic,assign) IBOutlet NSView *specialView;
@property (nonatomic,assign) IBOutlet NSImageView *specialImageView;
@property (nonatomic,assign) IBOutlet NSTextField *specialLabel;

@property (nonatomic,assign) IBOutlet NSView *specialView1;
@property (nonatomic,assign) IBOutlet NSImageView *specialImageView1;
@property (nonatomic,assign) IBOutlet NSTextField *specialLabel1;

@property (nonatomic,assign) IBOutlet NSBox *box;
@property (nonatomic,assign) IBOutlet NSBox *labelbox;

@property (assign) IBOutlet NSLayoutConstraint *topButtonOffset;

@property (nonatomic, retain) CALayer *value1Layer;

@end

@implementation KMPurchaseCompareWindowController

#pragma mark - Init Methods

- (id)init {
    if (self = [super initWithWindowNibName:@"KMPurchaseCompareWindowController"]) {
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPProductLoadedNotification:)
                                                     name:KMIAPProductLoadedNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPSubscriptionLoadedNotification:)
                                                     name:KMIAPSubscriptionLoadedNotification
                                                   object:nil];
        
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPProductPurchasedNotification:)
                                                     name:KMIAPProductPurchasedNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPProductFailedNotification:)
                                                     name:KMIAPProductFailedNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPProductRestoreFinishedNotification:)
                                                     name:KMIAPProductRestoreFinishedNotification
                                                   object:nil];
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(IAPProductRestoreFailedNotification:)
                                                     name:KMIAPProductRestoreFailedNotification
                                                   object:nil];
        
        [NSDistributedNotificationCenter.defaultCenter addObserver:self selector:@selector(themeChanged:) name:@"AppleInterfaceThemeChangedNotification" object: nil];
    }
    return self;
}

- (void)themeChanged:(NSNotification *)notification {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self updateViewColor];
    });
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

+ (NSWindowController *)sharedInstance {
#if VERSION_DMG
    if (ActivityStatusNone == [VerificationManager manager].status) {
        if (!firstTrialSingleton) {
            firstTrialSingleton = [KMPurchaseCompareWindowController firstTrialWCCheck];
        }
        return firstTrialSingleton;
    } else {
        if (!dmgSingleton) {
            dmgSingleton = [[KMPurchaseCompareDMGWindowController alloc] init];
        }
        return dmgSingleton;
    }
#else
    static KMPurchaseCompareWindowController *singleton = nil;
    static dispatch_once_t pred;
    dispatch_once(&pred, ^{
        singleton = [[KMPurchaseCompareWindowController alloc] init];
    });
    return singleton;
#endif
}

+ (NSWindowController *)firstTrialInstance {
    if (!firstTrialSingleton) {
        firstTrialSingleton = [KMPurchaseCompareWindowController firstTrialWCCheck];
    }
    return firstTrialSingleton;
}

+ (NSWindowController *)DMGPurchaseInstance {
    if (!dmgSingleton) {
        dmgSingleton = [[KMPurchaseCompareDMGWindowController alloc] init];
    }
    return dmgSingleton;
}

#pragma mark - FirstTrial WC
+ (KMPurchaseFirstTrialWindowController *)firstTrialWCCheck {
    //弹出 试用弹窗UI优化-新用户试用路径 新UI 情况三 点到付费功能
    KMPurchaseFirstTrialWindowController *firstTrialWC = [KMPurchaseFirstTrialWindowController currentFirstTrialWC];
    firstTrialWC.buttonActionBlock = ^(KMPurchaseFirstTrialWindowController * _Nonnull ftWC, KMButton * _Nonnull btn, NSString * _Nonnull email, NSString * _Nonnull name) {
        if (btn.tag == 10001) {
            if (ActivityStatusNone == [VerificationManager manager].status ||
                ActivityStatusTrialExpire == [VerificationManager manager].status ) {
                [[FMTrackEventManager defaultManager] trackEventWithEvent:@"Tbr" withProperties:@{@"Tbr_Btn":@"Btn_Tbr_SecondTrial"}];
                [[VerificationManager manager] trialForDays:7
                                                      email:email?:[VerificationManager manager].email
                                                       name:name?:[VerificationManager manager].accountName
                                                complention:^(ActivityStatus status, NSDictionary *info, NSError *error) {
                    if (error ||
                        status != ActivityStatusTrial) {
                        NSAlert *alert = [NSAlert alertWithMessageText:NSLocalizedString(@"Activation Error", nil)
                                                         defaultButton:NSLocalizedString(@"Try Again", nil)
                                                       alternateButton:nil
                                                           otherButton:nil
                                             informativeTextWithFormat:NSLocalizedString(@"Failed to sign up for the free trial. Please make sure your internet connection is available and try again later.", nil), nil];
                        [alert runModal];
                    } else {
                        KMVerificationWindowController *vc = [KMVerificationWindowController verificationWithType:KMVerificationTypeRepeatTrialSuccess];
                        [vc showWindow:nil];
                    }
                }];
                [ftWC close];
            } else {
                [ftWC close];
                KMVerificationWindowController *vc = [KMVerificationWindowController verificationWithType:KMVerificationTypeActivate];
                vc.callback = ^{
                     [[KMPurchaseCompareWindowController sharedInstance] showWindow:nil];
                };
                [vc showWindow:nil];
            }
        } else if (btn.tag == 10002) {
#if VERSION_DMG
            NSURL *url = [NSURL URLWithString:@"https://www.pdfreaderpro.com/store?utm_source=app_dmg&utm_medium=dmg_puw_free_trial"];
            if([SKInspectPublicTool currentisLanguageHans]) {
                url = [NSURL URLWithString:@"https://www.pdfreaderpro.com/zh-cn/store?utm_source=app_dmg&utm_medium=dmg_puw_free_trial"];
            }
            [[NSWorkspace sharedWorkspace] openURL:url];
            [[FMTrackEventManager defaultManager] trackEventWithEvent:@"PUW" withProperties:@{@"PUW_Btn":@"PUW_Btn_UpgradeBuyNow"}];
#endif
        } else if (btn.tag == 10003) {
#if VERSION_DMG
                KMVerificationWindowController *vc = [KMVerificationWindowController verificationWithType:KMVerificationTypeActivate];//KMVerificationTypeActivate
                [vc showWindow:nil];
            [ftWC close];
#endif
        }
    };
    return firstTrialWC;
}

#pragma mark - Window Methods

- (void)windowDidLoad {
    [super windowDidLoad];

    // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
    self.window.backgroundColor = [KMAppearance KMColor_Upgrade_Vip_BG];
    self.window.movableByWindowBackground = YES;
    [self updateViewColor];
    
    self.value1InfoBox.fillColor = [NSColor colorWithRed:17/255. green:6/255. blue:143/255. alpha:1];
    self.freeInfoLabel.stringValue = NSLocalizedString(@"Free", nil);
    self.value1InfoLabel.stringValue = NSLocalizedString(@"6-Month Plan", nil);
    self.value2InfoLabel.stringValue = NSLocalizedString(@"Permanent Version", nil);
    self.value3InfoLabel.stringValue = NSLocalizedString(@"Premium Version", nil);
    
    self.freeInfoLabel.font = [NSFont UbuntuMediumFontWithSize:18];
    self.value1InfoLabel.font = [NSFont UbuntuMediumFontWithSize:16];
    self.value2InfoLabel.font = [NSFont UbuntuMediumFontWithSize:16];
    self.value3InfoLabel.font = [NSFont UbuntuMediumFontWithSize:16];
    
    self.value1PurchaseButton.wantsLayer = YES;
    self.value1PurchaseButton.layer.backgroundColor = [NSColor colorWithRed:1 green:94/255. blue:44/255. alpha:1].CGColor;
    self.value1PurchaseButton.layer.cornerRadius = CGRectGetHeight(self.value1PurchaseButton.frame) / 2.;
    self.value1PurchaseBtnLblBtn.wantsLayer = YES;
    self.value1PurchaseButton.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (self.value1PurchaseBtnLblBtn.enabled) {
            if (mouseEntered) {
                self.value1PurchaseBtnLblBtn.layer.backgroundColor = [[NSColor blackColor] colorWithAlphaComponent:0.15].CGColor;
            } else {
                self.value1PurchaseBtnLblBtn.layer.backgroundColor = [NSColor clearColor].CGColor;
            }
        }
    };
    self.value1PurchaseBtnLblBtn.layer.cornerRadius = CGRectGetHeight(self.value1PurchaseBtnLblBtn.frame)/2.;
    self.value1PurchaseBtnLblBtn.layer.masksToBounds = YES;
    
    self.value2PurchaseButton.wantsLayer = YES;
    self.value2PurchaseButton.layer.cornerRadius = CGRectGetHeight(self.value2PurchaseButton.frame) / 2.;
    self.value2PurchaseButton.layer.backgroundColor = [NSColor whiteColor].CGColor;
    self.value2PurchaseLbl.stringValue = NSLocalizedString(@"Purchase", nil);
    self.value2PurchaseLbl.textColor = [NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0];
    
    
    self.value3PurchaseButton.title = NSLocalizedString(@"", nil);
    self.value3PurchaseBtnLbl.stringValue = NSLocalizedString(@"Purchase", nil);
    self.value3PurchaseButton.wantsLayer = YES;
    [self.value3PurchaseButton setTitleColor:[NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0]];
    self.value3PurchaseBtnLbl.textColor = [NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0];
    self.value3PurchaseButton.layer.backgroundColor = [NSColor whiteColor].CGColor;
    self.value3PurchaseButton.layer.cornerRadius = CGRectGetHeight(self.value3PurchaseButton.frame) / 2.;
    

    self.titleLabel.stringValue = NSLocalizedString(@"Subscribe to All Access Pack to enjoy more expanded features.", nil);
    self.switchLabel.stringValue = NSLocalizedString(@"Choose your favorite payment and enjoy flexible upgrades.", nil);
    self.switchLabel.textColor = [KMAppearance KMColor_Interactive_M0];
    self.switchButton.title = [NSString stringWithFormat:@"%@",NSLocalizedString(@"Pricing and Plans", nil)];
    
    self.box.wantsLayer = YES;
    self.box.shadow = [[NSShadow alloc] init];
    self.box.layer.shadowOpacity = 0.3;
    self.box.layer.shadowColor = [NSColor colorWithRed:0 green:0 blue:0 alpha:0.3].CGColor;
    self.box.layer.shadowOffset = NSMakeSize(0,3);
    self.box.layer.shadowRadius = 8;
    self.box.layer.masksToBounds = NO;
    
    NSButtonCell *cell = self.switchButton.cell;
    NSColor *txtColor = [NSColor colorWithRed:102.0/255.0 green:102.0/255.0 blue:102.0/255.0 alpha:1.0];
    NSAttributedString *attrStr1 = [cell attributedTitle];
    NSMutableAttributedString *myAttr = [[NSMutableAttributedString alloc] initWithAttributedString:attrStr1];
    [myAttr addAttribute:NSForegroundColorAttributeName value:txtColor range:NSMakeRange(0, myAttr.length)];
    [myAttr addAttribute:NSFontAttributeName value:[NSFont boldSystemFontOfSize:13.0] range:NSMakeRange(0, myAttr.length)];
    [cell setAttributedTitle:myAttr];
    [self.switchButton updateCell:cell];

    self.aboutButton.title = NSLocalizedString(@"About Subscriptions", nil);
    self.btnRestore.title = NSLocalizedString(@"Restore", nil);
    self.privacyPolicyBtn.title = NSLocalizedString(@"Privacy Policy", nil);
    self.termOfSerBtn.title = NSLocalizedString(@"Terms of Service", nil);
    
    self.btnRestore.toolTip = NSLocalizedString(@"Restore", nil);
    self.privacyPolicyBtn.toolTip = NSLocalizedString(@"Privacy Policy", nil);
    self.termOfSerBtn.toolTip = NSLocalizedString(@"Terms of Service", nil);
    
    [self.aboutButton setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.7]];
    [self.btnRestore setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
    [self.privacyPolicyBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
    [self.termOfSerBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
    
    self.btnRestore.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (mouseEntered) {
            [self.btnRestore setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.7]];
        } else {
            [self.btnRestore setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
        }
    };
    
    self.privacyPolicyBtn.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (mouseEntered) {
            [self.privacyPolicyBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.7]];
        } else {
            [self.privacyPolicyBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
        }
    };
    
    self.termOfSerBtn.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (mouseEntered) {
            [self.termOfSerBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:0.7]];
        } else {
            [self.termOfSerBtn setTitleColor:[NSColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1]];
        }
    };
    
    self.aboutButton.hidden = YES;

    [self reloadData];
    [self reloadDataContent];
    
    [[IAPProductsManager defaultManager] loadProducts];

    __block typeof(self) blockSelf = self;
    self.value2PurchaseButton.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (blockSelf.value2PurchaseButton.enabled) {
            if (mouseEntered) {
                [blockSelf.value2PurchaseLbl setTextColor:[NSColor whiteColor]];
                blockSelf.value2PurchaseButton.layer.backgroundColor = [NSColor colorWithRed:1 green:94/255.0 blue:44/255.0 alpha:1.0].CGColor;
            } else {
                [blockSelf.value2PurchaseLbl setTextColor:[NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0]];
                blockSelf.value2PurchaseButton.layer.backgroundColor = [NSColor whiteColor].CGColor;
            }
        }
    };
    self.value3PurchaseButton.mouseMoveCallback = ^(BOOL mouseEntered) {
        if (mouseEntered) {
//            [blockSelf.value3PurchaseButton setTitleColor:[NSColor whiteColor]];
            blockSelf.value3PurchaseBtnLbl.textColor = [NSColor whiteColor];
            blockSelf.value3PurchaseButton.layer.backgroundColor = [NSColor colorWithRed:1 green:94/255.0 blue:44/255.0 alpha:1.0].CGColor;
        } else {
//            [blockSelf.value3PurchaseButton setTitleColor:[NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0]];
            blockSelf.value3PurchaseBtnLbl.textColor = [NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0];
            blockSelf.value3PurchaseButton.layer.backgroundColor = [NSColor whiteColor].CGColor;
        }
    };
    
    self.textView.string = NSLocalizedString(@"Subscription plans:\nSubscriptions: USD $39.99/(6 months), USD $79.99/(one-time purchase)\n\n- Subscriptions will be charged through your iTunes account at the confirmation of purchase.\n- Your subscriptions will automatically renew unless cancelled at least 24 hours before the end of current subscription period.\n- Your iTunes account will be charged for renewal within 24-hours prior to the end of the current period, for the same duration and at the current subscription price.\n- You may manage your subscriptions in your iTunes Account Settings after purchase.\n- No cancellation of the current subscription is allowed during an active subscription period.\n\n- Terms of service:\nhttps://www.pdfreaderpro.com/terms_of_service\n- Privacy Policy:\nhttps://www.pdfreaderpro.com/privacy-policy", nil);
}

- (BOOL)windowShouldClose:(id)sender {
    [[FMTrackEventManager defaultManager] trackEventWithEvent:@"PUW" withProperties:@{@"PUW_Btn":@"PUW_Btn_Upgrade_Cancel"}];
    [self endModal:sender];
    return YES;
}

- (void)close {
    [super close];
    [self endModal:nil];
}

- (IBAction)startModal:(id)sender {
    
    [NSApp stopModal];
    
    NSInteger modalCode;
    self.modalSession = [NSApp beginModalSessionForWindow:self.window];
    do {
        modalCode = [NSApp runModalSession:self.modalSession];
    } while (modalCode == NSModalResponseContinue);
}

- (IBAction)endModal:(id)sender {
    if (self.modalSession) {
        [NSApp stopModal];
        [NSApp endModalSession:self.modalSession];
        [self.window orderOut:self];
        
        self.modalSession = nil;
    }
}

- (void)showWindowRestore:(id)sender {
    [self showWindow:sender];
    [self buttonItemClicked_Restore:nil];
}

- (void)showWindow:(id)sender {
    [super showWindow:sender];
    [self reloadData];
}

#pragma mark - Private Methods

- (void)reloadData {
    if ([IAPProductsManager defaultManager].isAvailableAllFunction) {
        self.value1PurchaseButton.enabled = NO;
        self.value2PurchaseButton.enabled = NO;
        self.value2PurchaseLbl.textColor = [NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:0.5];
    } else {
        self.value1PurchaseButton.enabled = YES;
        self.value2PurchaseButton.enabled = YES;
        self.value2PurchaseLbl.textColor = [NSColor colorWithRed:85/255. green:40/255.0 blue:255.0/255.0 alpha:1.0];
    }
    self.value1PurchaseBtnLblBtn.enabled = self.value1PurchaseButton.enabled;
    
    self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Subscribe", nil);
    if ([IAPProductsManager defaultManager].newlyMonthProduct.isTrialPeriod) {
        self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Subscribe", nil);
        if ([IAPProductsManager defaultManager].newlyMonthProduct.isSubscribed) {
            self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Subscribed", nil);
        }
    } else {
        if ([IAPProductsManager defaultManager].newlyMonthProduct.isSubscribed) {
            self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Subscribed", nil);
        } else {
            self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Free Trial", nil);
            if (@available(macOS 10.13.2, *)) {
#if !VERSION_DMG
                if (![IAPProductsManager defaultManager].newlyMonthProduct.product.introductoryPrice) {
                    self.value1PurchaseBtnLbl.stringValue = NSLocalizedString(@"Subscribe", nil);
                }
#endif
            }
        }
    }
    
    if (self.value1PurchaseBtnLblBtn.enabled) {
        [self.value1PurchaseBtnLbl setTextColor:[NSColor whiteColor]];
    } else {
        [self.value1PurchaseBtnLbl setTextColor:[[NSColor whiteColor] colorWithAlphaComponent:0.5]];
    }
    
    self.value2PurchaseLblBtn.enabled = self.value2PurchaseButton.enabled;
    
    NSString *averageMonthPrice = nil;
    NSString *monthPrice = nil;
    NSString *allPrice = nil;
    if ([IAPProductsManager defaultManager].newlyMonthProduct.isOffers) {
        self.specialView1.hidden = NO;
        averageMonthPrice = [IAPProductsManager defaultManager].newlyMonthProduct.offersAveragePrice;
        monthPrice = [IAPProductsManager defaultManager].newlyMonthProduct.offersPrice;
        self.topButtonOffset.constant = 20;
    } else {
        self.specialView1.hidden = YES;
        averageMonthPrice = [IAPProductsManager defaultManager].newlyMonthProduct.averagePrice;
        monthPrice = [IAPProductsManager defaultManager].newlyMonthProduct.price;
        self.topButtonOffset.constant = 10;
    }
    
    if ([IAPProductsManager defaultManager].allAccessProduct.isOffers) {
        self.topButtonOffset.constant = 20;
        self.specialView.hidden = NO;
        allPrice = [IAPProductsManager defaultManager].allAccessProduct.offersPrice;
    } else {
        self.topButtonOffset.constant = 10;
        self.specialView.hidden = YES;
        allPrice = [IAPProductsManager defaultManager].allAccessProduct.price;
    }
    
    CGFloat off = 1 -[IAPProductsManager defaultManager].allAccessProduct.offers;
    NSString *offString = [NSString stringWithFormat:@"%.f%%",off * 100];
    self.specialLabel.stringValue = [NSString stringWithFormat:NSLocalizedString(@"%@ off", @""),offString];
    
    off = 1 -[IAPProductsManager defaultManager].newlyMonthProduct.offers;
    offString = [NSString stringWithFormat:@"%.f%%",off * 100];
    self.specialLabel1.stringValue = [NSString stringWithFormat:NSLocalizedString(@"%@ off", @""),offString];
    
    NSImage *image = [NSImage imageNamed:@"KMImageNameCompareTagBG"];
    
    self.specialImageView.image = image;
    self.specialImageView1.image = image;
    
    if (KMKdanRemoteConfig.remoteConfig.showAPP_AveragePrice) {
        self.value1PurchaseLabel.stringValue = [NSString stringWithFormat:@"%@/%@", averageMonthPrice, NSLocalizedString(@"mon", nil)];
    } else {
        self.value1PurchaseLabel.stringValue = [NSString stringWithFormat:@"%@/%@", monthPrice, NSLocalizedString(@"6mon", nil)];
    }
    self.value1PurchaseLabel.textColor = [NSColor colorWithRed:1 green:231/255. blue:106/255. alpha:1.];
    
    NSString *tTips = [NSString stringWithFormat:NSLocalizedString(@"Billed every 6 months at %@", nil), monthPrice];
    if ([self.value1PurchaseBtnLbl.stringValue isEqualToString:NSLocalizedString(@"Free Trial", nil)]) {
        tTips = [NSString stringWithFormat:NSLocalizedString(@"Billed every 6 months at %@ after 7-day trial ends.", nil), monthPrice];
#if !VERSION_DMG
        if ([IAPProductsManager defaultManager].newlyMonthProduct.product) {
            if (@available(macOS 10.13.2, *)) {
                tTips = [NSString stringWithFormat:NSLocalizedString(@"Billed every 6 months at %@ after %@-day trial ends.", nil), monthPrice,@([IAPProductsManager defaultManager].newlyMonthProduct.product.introductoryPrice.subscriptionPeriod.numberOfUnits)];
            }
        }
#endif
    }
    if (@available(macOS 10.13.2, *)) {
#if !VERSION_DMG
        if (![IAPProductsManager defaultManager].newlyMonthProduct.product.introductoryPrice) {
            tTips = [NSString stringWithFormat:NSLocalizedString(@"Billed every 6 months at %@", nil), monthPrice];
        }
#endif
    }
    self.value1PurchaseSubLabel.stringValue = [NSString stringWithFormat:NSLocalizedString(@"%@", nil), tTips];
    
    self.value2PurchaseLabel.stringValue = allPrice?:@"";
    self.value2PurchaseLabel.textColor = [NSColor colorWithRed:1 green:231/255. blue:106/255. alpha:1.];
    self.value2PurchaseSubLabel.stringValue = NSLocalizedString(@"one-time purchase", nil);
    
    self.value3PurchaseLabel.stringValue = NSLocalizedString(@"USD $59.99", nil);
    self.value3PurchaseLabel.textColor = [NSColor colorWithRed:1 green:231/255. blue:106/255. alpha:1.];
    self.value3PurchaseSubLabel.stringValue = NSLocalizedString(@"one-time purchase", nil);
    
    self.value1PurchaseBtnLbl.font = [NSFont UbuntuBoldFontWithSize:16];
    self.value2PurchaseLbl.font = [NSFont UbuntuBoldFontWithSize:16];
    self.value3PurchaseBtnLbl.font = [NSFont UbuntuBoldFontWithSize:16];
    
    self.value1PurchaseLabel.font = [NSFont UbuntuBoldFontWithSize:22];
    self.value2PurchaseLabel.font = [NSFont UbuntuBoldFontWithSize:22];
    self.value3PurchaseLabel.font = [NSFont UbuntuBoldFontWithSize:22];
    
}

- (void)reloadDataContent {
    self.dataSource = @[@"PDF to Office",
                        @[@"Convert PDFs to Word, HTML, TXT, JPEG or PNG files",@"Only first 10 pages",@"Advanced",@"Advanced",@"Standard"],
                        @[@"Turn PDF to PPT, Excel, RTF, CSV, and more",@"Only first 10 pages",@"✓",@"✓",@"Only first 10 pages"],
                        @[@"Convert PDF to TIFF, BMP, GIF or TGA files",@"Only first 10 pages",@"✓",@"✓",@"Only first 10 pages"],
                        @"Edit PDF",
                        @[@"Add and edit text in PDF",@"X",@"✓",@"✓",@"✓"],
                        @[@"Edit, crop, replace image in PDF",@"X",@"✓",@"✓",@"✓"],
                        @"OCR",
                        @[@"Extract texts from image-based or scanned PDF",@"X",@"✓",@"✓",@"✓"],
                        @"Organize Pages",
                        @[@"Extract, rotate, rearrange, replace, add, delete pages",@"X",@"✓",@"✓",@"✓"],
                        @[@"Split PDFs into multiple files",@"X",@"✓",@"✓",@"✓"],
                        @"Advanced Editing Tools",
                        @[@"Merge multiple documents into a new PDF",@"Up to 2 files or 20 MB",@"✓",@"∞",@"∞"],
                        @[@"Add & edit watermark",@"X",@"✓",@"✓",@"✓"],
                        @[@"Add header, footer, page numbers",@"X",@"✓",@"✓",@"✓"],
                        @[@"Add Bates Number",@"X",@"✓",@"✓",@"✓"],
                        @[@"Insert PDF page background by color or image",@"X",@"✓",@"✓",@"✓"],
                        @[@"Create fattened copies",@"X",@"✓",@"✓",@"✓"],
                        @[@"Extract Images",@"X",@"✓",@"✓",@"✓"],
                        @[@"Extract tables",@"Only first 10 pages",@"✓",@"✓",@"Only first 10 pages"],
                        @"Fill & Sign",
                        @[@"Create digital signature",@"X",@"✓",@"✓",@"✓"],
                        @[@"Create & Edit & Fill Adobe Fillable PDF Forms",@"X",@"✓",@"✓",@"✓"],
                        @"Security",
                        @[@"Batch encrypting PDF documents",@"X",@"✓",@"✓",@"✓"],
                        @[@"PDF Password Remover",@"X",@"✓",@"✓",@"✓"],
                        @[@"Redact sensitive information",@"X",@"✓",@"✓",@"✓"],
                        @"Create PDF",
                        @[@"Convert JPEG, JPG, PNG, TIFF, BMP or PSD files to PDFs",@"1 file",@"✓",@"✓",@"✓"],
                        @[@"Create PDFs from a scanner and iOS devices",@"X",@"✓",@"✓",@"✓"],
                        @"Annotations",
                        @[@"Customize PDF stamps",@"X",@"✓",@"✓",@"✓",@"✓"],
                        @[@"Hyperlink",@"Page Number",@"Page Number, URL, Email",@"Page Number, URL, Email",@"Page Number, URL, Email"],
                        @[@"Signature",@"Standard",@"Advanced",@"Advanced",@"Advanced"],
                        @[@"Table",@"X",@"✓",@"✓",@"✓",@"✓"],
                        @"View PDF",
                        @[@"Multi-tab viewer",@"X",@"✓",@"✓",@"✓"],
                        @[@"Various printing types: poster, booklet, multi-page printing",@"X",@"✓",@"✓",@"✓"],
                        @[@"Customize theme colors: Light Mode, Dark Mode, Sepia Mode and more",@"X",@"✓",@"✓",@"✓"],
                        @[@"Split View to compare files",@"X",@"✓",@"✓",@"✓"],
                        @"Subscription Based Solution",
                        @[@"Access all premium features in app",@"X",@"6 months",@"∞",@"∞"],
                        @[@"Priority customer support",@"X",@"✓",@"✓",@"✓"],
                        @[@"Ad-free",@"X",@"✓",@"✓",@"✓"],
                        @{}
                        ];
    [self.tableView reloadData];
}

- (void)addWaingView:(NSView *)view {
    [self removeWaitingView:view];
    WaitingView *wView = [[WaitingView alloc] initWithFrame:view.bounds];
    [wView setAutoresizingMask:NSViewWidthSizable|NSViewHeightSizable];
    [view addSubview:wView];
    [wView startAnimation];
}

- (void)removeWaitingView:(NSView *)view {
    for (id v in view.subviews) {
        if ([[v class] isSubclassOfClass:[WaitingView class]]) {
            [v removeFromSuperview];
            break;
        }
    }
}

- (void)updateViewColor {
    
    self.box.fillColor = [KMAppearance KMColor_Layout_L1];
    self.labelbox.fillColor = [NSColor clearColor];
    self.tableView.backgroundColor = [KMAppearance KMColor_Layout_L0];
    self.textView.backgroundColor = [NSColor clearColor];
    self.textView.textColor = [[NSColor whiteColor] colorWithAlphaComponent:0.5];
    self.value1PurchaseSubLabel.textColor = self.value2PurchaseSubLabel.textColor = self.value3PurchaseSubLabel.textColor = [KMAppearance KMColor_Layout_W0];
}

#pragma mark - Button Actions

- (IBAction)buttonItemClicked_Subscribe:(id)sender {
    [[IAPProductsManager defaultManager] makeProduct:[IAPProductsManager defaultManager].newlyMonthProduct];
    [self addWaingView:self.window.contentView];
    [[FMTrackEventManager defaultManager] trackEventWithEvent:@"PUW" withProperties:@{@"PUW_Btn":@"PUW_Btn_Upgrade_6Mon"}];
}

- (IBAction)buttonItemClicked_Restore:(id)sender {
    [[IAPProductsManager defaultManager] restoreSubscriptions];
    [self addWaingView:self.window.contentView];
}

- (IBAction)buttonItemClicked_Upgrade:(id)sender {
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"macappstore://apps.apple.com/app/id825459243?mt=12"]];
    [[FMTrackEventManager defaultManager] trackEventWithEvent:@"PUW" withProperties:@{@"PUW_Btn":@"PUW_Btn_Upgrade_Premium"}];
}

- (IBAction)privacyPolicyAction:(NSButton *)sender {
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"https://www.pdfreaderpro.com/privacy-policy"]];
}

- (IBAction)termOfSerAction:(NSButton *)sender {
    [[NSWorkspace sharedWorkspace] openURL:[NSURL URLWithString:@"https://www.pdfreaderpro.com/terms_of_service"]];
}

- (IBAction)buttonItemClicked_LicenseUpgrade:(id)sender {
    [[IAPProductsManager defaultManager] makeProduct:[IAPProductsManager defaultManager].allAccessProduct];
    [self addWaingView:self.window.contentView];
    [[FMTrackEventManager defaultManager] trackEventWithEvent:@"PUW" withProperties:@{@"PUW_Btn":@"PUW_Btn_Upgrade_Permanent"}];
}


- (IBAction)buttonItemClicked_AboutSubscriptions:(id)sender {
    
    NSString *tMessage = [NSString stringWithFormat:@"%@\n%@\n\n%@\n%@\n%@\n%@\n%@\n\n%@\n%@\n\n",
                          @"Subscription plans: ",
                          @"Subscriptions: USD $39.99/(6 months), USD $79.99/(one-time purchase)  ",
                          @"- Subscriptions will be charged through your iTunes account at the confirmation of purchase. ",
                          @"- Your subscriptions will automatically renew unless cancelled at least 24 hours before the end of current subscription period. ",
                          @"- Your iTunes account will be charged for renewal within 24-hours prior to the end of the current period, for the same duration and at the current subscription price. ",
                          @"- You may manage your subscriptions in your iTunes Account Settings after purchase. ",
                          @"- No cancellation of the current subscription is allowed during an active subscription period. ",
                          @"- Terms of service: \nhttps://www.pdfreaderpro.com/terms_of_service ",
                          @"- Privacy Policy: \nhttps://www.pdfreaderpro.com/privacy-policy "];
    
    NSAlert *alert = [[NSAlert alloc] init];
    [alert setAlertStyle:NSAlertStyleInformational];
    [alert setMessageText:NSLocalizedString(tMessage, nil)];
    [alert runModal];
}

- (IBAction)buttonItemClicked_CloseWindow:(id)sender {
    [self close];
}

#pragma mark - NSTableViewDataSource Methods

- (NSInteger)numberOfRowsInTableView:(NSTableView *)aTableView {
    return self.dataSource.count;
}

- (id)tableView:(NSTableView *)tableView viewForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
    id object = [self.dataSource objectAtIndex:row];
    if ([object isKindOfClass:[NSString class]]) {
        KMPurchaseCompareHeaderCell *cellView = [tableView makeViewWithIdentifier:KMPurchaseCompareHeaderCellIdentifier owner:self];
        cellView.textField.stringValue = NSLocalizedString(object, nil);
        return cellView;
    } else if ([object isKindOfClass:[NSArray class]]) {
        KMPurchaseCompareCell *cellView = [tableView makeViewWithIdentifier:KMPurchaseCompareCellIdentifier owner:self];
        NSString *value  = [(NSArray *)object count] > 0 ? object[0] : @"";
        NSString *value1 = [(NSArray *)object count] > 1 ? object[1] : @"";
        NSString *value2 = [(NSArray *)object count] > 2 ? object[2] : @"";
        NSString *value3 = [(NSArray *)object count] > 3 ? object[3] : @"";
        NSString *value4 = [(NSArray *)object count] > 4 ? object[4] : @"";
        cellView.textField.stringValue = NSLocalizedString(value, nil);
        cellView.lineBox.hidden = NO;
        
        if (row + 1 == (NSInteger)self.dataSource.count) {
            cellView.lineBox.hidden = YES;
        } else {
            id nextobject = [self.dataSource objectAtIndex:row+1];
            if ([nextobject isKindOfClass:[NSString class]]) {
                cellView.lineBox.hidden = YES;
            }
        }
        
        if (row + 2 == (NSInteger)self.dataSource.count) {
            cellView.boxBottomConst.constant = 0;
        } else {
            cellView.boxBottomConst.constant = -4;
        }
        
        if ([value1 isEqualToString:@"X"]) {
            cellView.value1Label.stringValue = @"";
            cellView.value1ImageView.image = [NSImage imageNamed:@"compare_nosupport"];
        } else if ([value1 isEqualToString:@"✓"]) {
            cellView.value1Label.stringValue = @"";
            cellView.value1ImageView.image = [NSImage imageNamed:@"compare_support"];
        } else if ([value1 isEqualToString:@"∞"]) {
            cellView.value1Label.stringValue = @"";
            cellView.value1ImageView.image = [NSImage imageNamed:@"compare_00"];
        } else {
            cellView.value1Label.stringValue = NSLocalizedString(value1, nil);
            cellView.value1ImageView.image = nil;
        }
        
        if ([value2 isEqualToString:@"X"]) {
            cellView.value2Label.stringValue = @"";
            cellView.value2ImageView.image = [NSImage imageNamed:@"compare_nosupport"];
        } else if ([value2 isEqualToString:@"✓"]) {
            cellView.value2Label.stringValue = @"";
            cellView.value2ImageView.image = [NSImage imageNamed:@"compare_support"];
        } else if ([value2 isEqualToString:@"∞"]) {
            cellView.value2Label.stringValue = @"";
            cellView.value2ImageView.image = [NSImage imageNamed:@"compare_00"];
        } else {
            cellView.value2Label.stringValue = NSLocalizedString(value2, nil);
            cellView.value2ImageView.image = nil;
        }
        
        if ([value3 isEqualToString:@"X"]) {
            cellView.value3Label.stringValue = @"";
            cellView.value3ImageView.image = [NSImage imageNamed:@"compare_nosupport"];
        } else if ([value3 isEqualToString:@"✓"]) {
            cellView.value3Label.stringValue = @"";
            cellView.value3ImageView.image = [NSImage imageNamed:@"compare_support"];
        } else if ([value3 isEqualToString:@"∞"]) {
            cellView.value3Label.stringValue = @"";
            cellView.value3ImageView.image = [NSImage imageNamed:@"compare_00"];
        } else {
            cellView.value3Label.stringValue = NSLocalizedString(value3, nil);
            cellView.value3ImageView.image = nil;
        }
        
        if ([value4 isEqualToString:@"X"]) {
            cellView.value4Label.stringValue = @"";
            cellView.value4ImageView.image = [NSImage imageNamed:@"compare_nosupport"];
        } else if ([value4 isEqualToString:@"✓"]) {
            cellView.value4Label.stringValue = @"";
            cellView.value4ImageView.image = [NSImage imageNamed:@"compare_support"];
        } else if ([value4 isEqualToString:@"∞"]) {
            cellView.value4Label.stringValue = @"";
            cellView.value4ImageView.image = [NSImage imageNamed:@"compare_00"];
        } else {
            cellView.value4Label.stringValue = NSLocalizedString(value4, nil);
            cellView.value4ImageView.image = nil;
        }

        return cellView;
    } else if ([object isKindOfClass:[NSDictionary class]]) {
        KMPurchaseCompareEmptyCell *cellView = [tableView makeViewWithIdentifier:KMPurchaseCompareEmptyCellIdentifier owner:self];

        return cellView;
    }
    return nil;
}

- (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row {
    NSTableCellView *cellView = nil;
    id object = [self.dataSource objectAtIndex:row];
    if ([object isKindOfClass:[NSString class]]) {
        cellView = [tableView makeViewWithIdentifier:KMPurchaseCompareHeaderCellIdentifier owner:self];
        cellView.textField.stringValue = NSLocalizedString(object, nil);
    } else if ([object isKindOfClass:[NSArray class]]) {
        cellView = [tableView makeViewWithIdentifier:KMPurchaseCompareCellIdentifier owner:self];
        cellView.textField.stringValue = NSLocalizedString(object[0], nil);
    } else if ([object isKindOfClass:[NSDictionary class]]) {
        return 40;
    }
    if (cellView) {
        [cellView layoutSubtreeIfNeeded];
        return cellView.frame.size.height;
    } else {
        return 0;
    }
}


#pragma mark - InAppPurchaseManager Notification

- (void)IAPProductFailedNotification:(NSNotification*)notification {
    [self removeWaitingView:self.window.contentView];
}

- (void)IAPProductPurchasedNotification:(NSNotification*)notification {
    [self removeWaitingView:self.window.contentView];
    [self reloadData];
}

- (void)IAPProductLoadedNotification:(NSNotification*)notification {
    [self reloadData];
}

- (void)IAPProductRestoreFinishedNotification:(NSNotification *)notification {
    [self removeWaitingView:self.window.contentView];
    [self reloadData];
}

- (void)IAPProductRestoreFailedNotification:(NSNotification *)notification {
    [self removeWaitingView:self.window.contentView];
}

- (void)IAPSubscriptionLoadedNotification:(NSNotification *)notification {
    [self removeWaitingView:self.window.contentView];
    [self reloadData];
}

@end