PDF_Office/PDF Office/PDF Master/MemberCenter/ViewModel/KMProductModel.swift

//
//  KMProductModel.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2024/11/6.
//

import Foundation
import Combine

@objc enum KMCompareTableType : Int {
    case trial = 0 // 试用比较表
    case dmg_Base // DMG 基础版
    case dmg_MacWindows // DMG Mac&Windows双平台高级版永久
    case lite_Base // Lite 基础版
    case lite_MacWindows // Lite Mac&Windows双平台高级版永久
    case pro_Base // Pro 基础版
    case pro_Advanced // Pro Mac单平台高级版永久
}

@objc enum KMCompareProductType : Int {
    case free = 0 // 免费
    case freeTrial // 试用
    case allPlatformStandard // 全平台标准版年订阅
    case dualPlatformAdvanced // Mac&Windows双平台高级版永久
    case allPlatformAdvanced_6 // 全平台高级版6个月订阅
    case allPlatformAdvanced_12 // 全平台高级版12个月订阅
    case macPlatformAdvanced // MAC单平台高级版永久
}

@objc enum KMPurchasedProductType : Int {
    case fourDevicesAllAccessPackNew6months_lite = 0    // 4_devices_all_access_pack_new_6months（订阅）
    case fourDevicesAllAccessPackNew12months_lite       // 4_devices_all_access_pack_12months（订阅）
//    case allAccessPackNew6months_lite                   // all_access_pack_new_6months（订阅）
//    case allAccessPack12months_lite                     // all_access_pack_12months（订阅）
//    case allAccessPack6months_lite                      // all_access_pack_6months（订阅）
    case aiAllAccessPack1month_lite                     // ai_all_access_pack_1month（订阅）
    case aiAllAccessPack12month_lite                    // ai_all_access_pack_12month（订阅）
    case allAccessPackPermanent_lite                    // all_access_pack_permanent（永久）
    case advancedAddDevicesAllAccessPack12months_lite   // advanced_add_devices_all_access_pack_12months（订阅）
    case advancedAdd2DevicesAllAccessPack12months_lite  // advanced_add_2_devices_all_access_pack_12months（订阅）
    case aiAllAccessPack1month_pro  // ai_all_access_pack_1month（订阅）
    case aiAllAccessPack12month_pro  // ai_all_access_pack_1month（订阅）
    case pdfToOfficePackPermanent_pro  // pdf_to_office_pack_permanent（永久）
    case fourDevicesAllAccessPack12months_pro  // 4_devices_all_access_pack_12months（全平台高级年订阅）
    case standardAddDevicesAllAccessPack12months_pro  // standard_add_devices_all_access_pack_12months（订阅）
    case advancedAddDevicesAllAccessPack12months_pro  // advanced_add_devices_all_access_pack_12months（订阅）
    case advancedAdd2DevicesAllAccessPack12months_pro  // advanced_add_2_devices_all_access_pack_12months（订阅）
}

typealias AppstorePurchaseComplete = (_ success: Bool,_ msg: String) -> Void

@objcMembers
class KMProductModel: ObservableObject {
    /**
     比较表类型
     */
    @Published var state: KMCompareTableType = .trial
    /**
     高级版半年 或 年订阅，true为年订阅，false为半年订阅，默认true为年订阅
     */
    @Published var isPurchaseSwitch: Bool = true
    
    // MARK: Public Method
    
    /**
     @abstract 根据当前权益获取比较表类型
     @param
     */
    func getCurrentComparisonTableType() -> Void {
        if KMMemberInfo.shared.canTrail {
            state = .trial
        } else {
#if VERSION_FREE
#if VERSION_DMG
    // DMG
            if KMMemberInfo.shared.vip_levels == "1" {
                state = .dmg_Base
            } else if KMMemberInfo.shared.vip_levels == "2" {
                state = .dmg_MacWindows
            }
#else
    // AppStore 免费版本
            if KMMemberInfo.shared.vip_levels == "1" {
                state = .lite_Base
            } else if KMMemberInfo.shared.vip_levels == "2" {
                state = .lite_MacWindows
            }
#endif
#else
    // AppStore 付费版
            if KMMemberInfo.shared.vip_levels == "1" {
                state = .pro_Base
            } else if KMMemberInfo.shared.vip_levels == "2" {
                state = .pro_Advanced
            }
#endif
        }
    }
    
    /**
     对应商品价格
     */
    func getProductPrice(_ type: KMPurchasedProductType) -> String {
        if type == .fourDevicesAllAccessPackNew6months_lite {
            if let product = IAPProductsManager.default().fourDevicesAllAccessPackNew6Months_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().fourDevicesAllAccessPackNew6Months_lite.price()
            }
        } else if type == .fourDevicesAllAccessPackNew12months_lite {
            if let product = IAPProductsManager.default().fourDevicesAllAccessPackNew12months_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().fourDevicesAllAccessPackNew12months_lite.price()
            }
        } else if type == .aiAllAccessPack1month_lite {
            if let product = IAPProductsManager.default().aiAllAccessPack1month_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().aiAllAccessPack1month_lite.price()
            }
        } else if type == .aiAllAccessPack12month_lite {
            if let product = IAPProductsManager.default().aiAllAccessPack12month_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().aiAllAccessPack12month_lite.price()
            }
        } else if type == .allAccessPackPermanent_lite {
            if let product = IAPProductsManager.default().allAccessPackPermanent_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().allAccessPackPermanent_lite.price()
            }
        } else if type == .advancedAddDevicesAllAccessPack12months_lite {
            if let product = IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_lite.price()
            }
        } else if type == .advancedAdd2DevicesAllAccessPack12months_lite {
            if let product = IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_lite, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_lite.price()
            }
        } else if type == .aiAllAccessPack1month_pro {
            if let product = IAPProductsManager.default().aiAllAccessPack1month_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().aiAllAccessPack1month_pro.price()
            }
        } else if type == .aiAllAccessPack12month_pro {
            if let product = IAPProductsManager.default().aiAllAccessPack12month_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().aiAllAccessPack12month_pro.price()
            }
        } else if type == .pdfToOfficePackPermanent_pro {
            if let product = IAPProductsManager.default().pdfToOfficePackPermanent_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().pdfToOfficePackPermanent_pro.price()
            }
        } else if type == .fourDevicesAllAccessPack12months_pro {
            if let product = IAPProductsManager.default().fourDevicesAllAccessPack12months_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().fourDevicesAllAccessPack12months_pro.price()
            }
        } else if type == .standardAddDevicesAllAccessPack12months_pro {
            if let product = IAPProductsManager.default().standardAddDevicesAllAccessPack12months_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().standardAddDevicesAllAccessPack12months_pro.price()
            }
        } else if type == .advancedAddDevicesAllAccessPack12months_pro {
            if let product = IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_pro.price()
            }
        } else if type == .advancedAdd2DevicesAllAccessPack12months_pro {
            if let product = IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_pro, product.isOffers {
                return product.offersPrice()
            } else {
                return IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_pro.price()
            }
        }
        return ""
    }
    
    func appstorePurchaseAction(_ tag: Int, _ complete: @escaping AppstorePurchaseComplete) -> Void {
        if state == .dmg_Base {
            
        } else if state == .dmg_MacWindows {
            
        } else if state == .lite_Base {
            if tag == 0 {
                if isPurchaseSwitch { membershipPurchase(.fourDevicesAllAccessPackNew12months_lite) }
                else { membershipPurchase(.fourDevicesAllAccessPackNew6months_lite) }
            } else if tag == 3 {
                membershipPurchase(.allAccessPackPermanent_lite)
            } else {
                membershipPurchase(.fourDevicesAllAccessPackNew12months_lite)
            }
        } else if state == .lite_MacWindows {
            if tag == 2 {
                let platforms = KMMemberInfo.shared.vip_platforms
                let platformsArray = platforms
                    .components(separatedBy: ",")
                    .map { $0.trimmingCharacters(in: .whitespaces) }
                if platformsArray.count == 1 {
                    membershipPurchase(.advancedAddDevicesAllAccessPack12months_lite)
                } else if platformsArray.count == 2 {
                    membershipPurchase(.advancedAdd2DevicesAllAccessPack12months_lite)
                } else {
                    membershipPurchase(.advancedAdd2DevicesAllAccessPack12months_lite)
                }
            }
        } else if state == .pro_Base {
            if KMMemberInfo.shared.userScenarioType == .pro_type3 {
                if tag == 2 {
                    membershipPurchase(.standardAddDevicesAllAccessPack12months_pro)
                } else if tag == 3 {
                    membershipPurchase(.pdfToOfficePackPermanent_pro)
                }
            }
        } else if state == .pro_Advanced {
            if KMMemberInfo.shared.userScenarioType == .pro_type1 {
                membershipPurchase(.advancedAddDevicesAllAccessPack12months_pro)
            } else if KMMemberInfo.shared.userScenarioType == .pro_type4 {
                membershipPurchase(.advancedAddDevicesAllAccessPack12months_pro)
            }
        } else {
            if tag == 2 {
                membershipPurchase(.fourDevicesAllAccessPackNew12months_lite)
            }
        }
    }
    
    var isCancelAutoRenew: Bool {
        return IAPProductsManager.default().isCancelAutoRenew()
    }
    
    var isShowSale: Bool {
        if #available(macOS 10.14.4, *), isCancelAutoRenew {
            let manager = IAPProductsManager.default()
            let isSubscribed_newlyMonth = manager?.allAccessPackNew6months_lite.isSubscribed ?? false
            let isSubscribed_year = manager?.allAccessPack12months_lite.isSubscribed ?? false
            if isSubscribed_newlyMonth || isSubscribed_year {
                return false
            }
            if let info = KMAdvertisementManager.manager.info.StoreUserRecovery?.content?.first, !(info.show! as NSString).boolValue {
                return false
            }
            return true
        }
        return false
    }

    // MARK: Private Method
    
    /**
     会员购买
     */
    private func membershipPurchase(_ type: KMPurchasedProductType) -> Void {
        if type == .fourDevicesAllAccessPackNew6months_lite || type == .fourDevicesAllAccessPackNew12months_lite {
            if isPurchaseSwitch {
                IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().fourDevicesAllAccessPackNew12months_lite, discount: isCancelAutoRenew)
            } else {
                IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().fourDevicesAllAccessPackNew6Months_lite, discount: isCancelAutoRenew)
            }
        } else if type == .aiAllAccessPack1month_lite {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().aiAllAccessPack1month_lite, discount: isCancelAutoRenew)
        } else if type == .aiAllAccessPack12month_lite {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().aiAllAccessPack12month_lite, discount: isCancelAutoRenew)
        } else if type == .allAccessPackPermanent_lite {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().allAccessPackPermanent_lite, discount: isCancelAutoRenew)
        } else if type == .advancedAddDevicesAllAccessPack12months_lite {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_lite, discount: isCancelAutoRenew)
        } else if type == .advancedAdd2DevicesAllAccessPack12months_lite {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_lite, discount: isCancelAutoRenew)
        } else if type == .aiAllAccessPack1month_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().aiAllAccessPack1month_pro, discount: isCancelAutoRenew)
        } else if type == .aiAllAccessPack12month_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().aiAllAccessPack12month_pro, discount: isCancelAutoRenew)
        } else if type == .pdfToOfficePackPermanent_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().pdfToOfficePackPermanent_pro, discount: isCancelAutoRenew)
        } else if type == .fourDevicesAllAccessPack12months_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().fourDevicesAllAccessPack12months_pro, discount: isCancelAutoRenew)
        } else if type == .standardAddDevicesAllAccessPack12months_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().standardAddDevicesAllAccessPack12months_pro, discount: isCancelAutoRenew)
        } else if type == .advancedAddDevicesAllAccessPack12months_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().advancedAddDevicesAllAccessPack12months_pro, discount: isCancelAutoRenew)
        } else if type == .advancedAdd2DevicesAllAccessPack12months_pro {
            IAPProductsManager.default().makeSubProduct(IAPProductsManager.default().advancedAdd2DevicesAllAccessPack12months_pro, discount: isCancelAutoRenew)
        }
    }

    // MARK: Action Method
    
    /**
     恢复购买
     */
    func productRestore() -> Void {
        IAPProductsManager.default().restoreSubscriptions()
    }
    
    func privacyPolicyAction() -> Void {
        NSWorkspace.shared.open(URL(string: "https://www.pdfreaderpro.com/privacy-policy")!)
    }
    
    func termOfSerAction() -> Void {
        NSWorkspace.shared.open(URL(string: "https://www.pdfreaderpro.com/terms_of_service")!)
    }
    
    // MARK: Get & Set
    
    /**
     当前比较表产品列表内容
     */
    var products: [KMCompareProductType] {
        if state == .trial {
            return [.free, .freeTrial]
        } else if state == .dmg_Base {
            return [.free, .allPlatformStandard, .allPlatformAdvanced_12, .dualPlatformAdvanced]
        } else if state == .dmg_MacWindows {
            return [.allPlatformAdvanced_12]
        } else if state == .lite_Base {
            return [.free, .allPlatformAdvanced_6, .allPlatformAdvanced_12, .dualPlatformAdvanced]
        } else if state == .lite_MacWindows {
            return [.allPlatformAdvanced_12]
        } else if state == .pro_Base {
            return [.allPlatformAdvanced_12, .macPlatformAdvanced]
        } else if state == .pro_Advanced {
            return [.allPlatformAdvanced_12]
        }
        return []
    }
    
    /**
     比较表数据源
     */
    var dataSource: [Any] {
        if isPurchaseSwitch {
            // 试用   全平台标准版年订阅   全平台高级版6/12个月订阅  Mac&Windows双平台高级版永久 MAC单平台高级版永久 
            //MAC单平台标准版永久
            return [
                "Benefit",
                ["Supported platforms",                                                 "mac, windows, ios, android",   "mac, windows, ios, android",   "mac, windows, ios, android",   "mac, windows", "mac"],
                ["Maximum number of accessible devices",                                "2 devices",                    "4 devices",                    "4 devices",                    "2 devices",    "1 devices"],
                "PDF to Office",
                ["Convert PDFs to Word, HTML, TXT, JPEG or PNG files",                  "Only first 10 pages",          "Standard",                     "Advanced",                     "Advanced",     "Advanced"],
                ["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",          "✓",                            "✓",            "✓"],
                ["Measuring Tools",                                                     "X",                            "✓",                            "✓",                            "✓",            "✓"],
                "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", "Page Number, URL, Email"],
                ["Signature",                                                           "Standard",                     "Advanced",                     "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",                            "12 months",                    "12 months",                    "∞",            "∞"],
                ["Priority customer support",                                           "X",                            "✓",                            "✓",                            "✓",            "✓"],
                ["Ad-free",                                                             "X",                            "✓",                            "✓",                            "✓",            "✓"]
            ]
        } else {
            return [
                "Benefit",
                ["Supported platforms",                                                 "mac, windows, ios, android",   "mac, windows, ios, android",   "mac, windows, ios, android",   "mac, windows", "mac"],
                ["Maximum number of accessible devices",                                "2 devices",                    "4 devices",                    "4 devices",                    "2 devices",    "1 devices"],
                "PDF to Office",
                ["Convert PDFs to Word, HTML, TXT, JPEG or PNG files",                  "Only first 10 pages",          "Standard",                     "Advanced",                     "Advanced",     "Advanced"],
                ["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",          "✓",                            "✓",            "✓"],
                ["Measuring Tools",                                                     "X",                            "✓",                            "✓",                            "✓",            "✓"],
                "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", "Page Number, URL, Email"],
                ["Signature",                                                           "Standard",                     "Advanced",                     "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",                    "6 months",                      "∞",            "∞"],
                ["Priority customer support",                                           "X",                            "✓",                            "✓",                            "✓",            "✓"],
                ["Ad-free",                                                             "X",                            "✓",                            "✓",                            "✓",            "✓"]
            ]
        }
    }
}