//
//  CPDFController.m
//  PDFViewer
//
//  Created by kdan on 2022/11/14.
//

#import <ComPDFKit/ComPDFKit.h>
#import "CPDFController.h"
#import "CPDFModel.h"

@interface CPDFController () <UITableViewDataSource,UITableViewDelegate>

@property (nonatomic,strong) UITableView *tableView;
@property (nonatomic,strong) NSMutableArray *dataArray;

@end

@implementation CPDFController

- (instancetype)initWithModel:(CPDFModel *)model {
    if (self = [super init]) {
        [self setPath:model.filePath];
    }
    return self;
}

- (NSArray *)dataArray {

    if (!_dataArray) {
        
        _dataArray = [NSMutableArray array];
        
        NSFileManager *defaultManager = [NSFileManager defaultManager];
        NSArray *fileArray = [defaultManager contentsOfDirectoryAtPath:self.path error:nil];
        
        for (NSInteger i = 1; i < fileArray.count; ++i) {
            
            NSString *subFilePath = [[self.path stringByAppendingString:@"/"] stringByAppendingString:fileArray[i]];
            
            CPDFModel *model = [[CPDFModel alloc] init];
            model.fileName = fileArray[i];
            model.filePath = subFilePath;
            
            [_dataArray addObject:model];
            
        }
    }
    return _dataArray;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Uncomment the following line to preserve selection between presentations.
    // self.clearsSelectionOnViewWillAppear = NO;
    
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
    
    [self setTableView:[[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain]];
    
    [self.tableView setDataSource:self];
    [self.tableView setDelegate:self];
    
    self.tableView.rowHeight = 50;
    
    self.tableView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    
    self.tableView.tableFooterView = [[UIView alloc] init];
    
    [self.view addSubview:self.tableView];
}

#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.dataArray.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *MyIdentifier = @"Path";
    
    UITableViewCell *cell = [self.tableView dequeueReusableCellWithIdentifier:MyIdentifier];
    
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:MyIdentifier];
    }
    
    cell.textLabel.text = [self.dataArray[indexPath.row] fileName];
    return cell;
}

#pragma mark - UITableViewDelegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    
    // Get the path of a PDF
    NSString *pdfPath = [self.dataArray[indexPath.row] filePath];
    
    // Initialize a CPDFDocument object with the path to the PDF file
    NSURL *url = [NSURL fileURLWithPath:pdfPath];
    CPDFDocument *document = [[CPDFDocument alloc] initWithURL:url];
    
    // Initialize a CPDFView object with the size of the entire screen
    CPDFView *pdfView = [[CPDFView alloc] initWithFrame:self.view.bounds];
    
    // Set the document to display
    pdfView.document = document;
    
    [self.view addSubview:pdfView];
}

@end