//
//  KMPDFEditViewController_dmg.swift
//  PDF Master DMG
//
//  Created by tangchao on 2023/8/8.
//

import Cocoa

// 页面编辑控制器 [dmg]
/*
 登录策略 与 free 不同
 */
class KMPDFEditViewController_dmg: KMPDFEditViewController {
    // MARK: menu 菜单事件
    
    @objc override func item_insertCustomPage(sender: NSMenuItem?) {
        Task { @MainActor in
            let windowController = KMPageEditInsertCustomPageWindowController()
            if (self.thumbnailView.selectionIndexPaths.count > 0) {
                if (self.getPasteIndex() != NSNotFound) {
                    if let page = self.thumbnailView.document?.page(at: UInt(self.getPasteIndex())) {
                        let width = page.bounds.size.width * 210 / 595
                        let height = page.bounds.size.height * 297 / 842
                        windowController.selectedPageSize = NSSize(width: width, height: height)
                    }
                }
            }
            
            self.km_beginSheet(windowC: windowController)
            windowController.itemClick = { [weak self] index in
                if (index == 1) { /// 取消
                    self?.km_endSheet()
                    return
                }
                
                if let data = self?.canUseAdvanced, data == false {
                    let _ = KMComparativeTableViewController.show(window: self!.kmCurrentWindowC!.window!, .pageEdit)
                    return
                }
                
                /// 插入
                guard let windowC = self?.kmCurrentWindowC as? KMPageEditInsertCustomPageWindowController else {
                    self?.km_endSheet()
                    return
                }
                guard let _insertIndex = self?.getInsertIndex() else {
                    self?.km_endSheet()
                    return
                }
                
                /// 样式
                //            let type = windowC.typeIndex
                // mm 单位的大小
                let pageSize = windowC.pageSize
                let direction = windowC.direction
                var _pageSize = KMPageEditTools.sizeUnitToBoundSize(unit: .mm, pageSize: pageSize)
                
                if (direction == 0) { // 纵向
                    if (_pageSize.width > _pageSize.height) { // 需要交换
                        let tmp = _pageSize.width
                        _pageSize.width = _pageSize.height
                        _pageSize.height = tmp
                    } else {
                        // no things.
                    }
                } else { // 横向
                    if (_pageSize.width > _pageSize.height) {
                        // no things.
                    } else { // 需要交换
                        let tmp = _pageSize.width
                        _pageSize.width = _pageSize.height
                        _pageSize.height = tmp
                    }
                }
                
                /// 插入位置
                //            if (type == 1) { /// 空白页
                let document = CPDFDocument()
                document?.insertPage(_pageSize, at: 0)
                if let page: CPDFPage = (document?.page(at: 0)) {
                    self?.insertPages(pages: [page], at: IndexSet(integer: _insertIndex+1))
                }
                //            } else {
                //                let document = CPDFDocument()
                //                var imageName = "plaid"
                //                if (type == 2) {
                //                    imageName = "horizontal_line"
                //                } else if (type == 3) {
                //                    imageName = "five_line_score"
                //                }
                //                let imagePath = Bundle.main.pathForImageResource(imageName)
                //                document?.insertPage(pageSize, withImage: imagePath, at: 0)
                //                let page: CPDFPage = (document?.page(at: 0))!
                //                if (direction == 0) { /// 纵向
                //                    page.rotation = 90
                //                }
                //
                //                self?.insertPagesForDescSort(pages: [page], indexs: IndexSet(integer: _insertIndex+1))
                //            }
                self?.km_endSheet()
            }
        }
    }

    override func splitAction() {
        self.trackEvent(type: .split)
        
        Task { @MainActor in
            self.toolBar.unSelectItem(for: KMToolbarPageEditSplitItemIdentifier)
            
            self.showSplitWindow { [unowned self] splitWindowC, model in
                if (!self.canUseAdvanced){
                    _ = KMComparativeTableViewController.show(window: splitWindowC.window!)
                    return
                }

                if (!self.canPayFunction) {
                    _ = KMSubscribeWaterMarkWindowController.show(window: splitWindowC.window!, type: .split) { isSubscribeSuccess, isWaterMarkExport, isClose in
                        if (isClose) {
                            return
                        }
                        if (isSubscribeSuccess) {
                            self.km_endSheet()
                            self.splitMethod(windowC: splitWindowC, model: model)
                            return
                        }
                        if (isWaterMarkExport) {
                            self.km_endSheet()
                            self.splitMethod(windowC: splitWindowC, model: model, limit: true)
                            return
                        }
                    }
                    return
                }
                
                /// 拆分
                self.splitMethod(windowC: splitWindowC, model: model)
            }
        }
    }
    
    override func replaceAction() {
        self.km_open_file_multi {  [unowned self] index, params in
            if (self.fetchProgressBlockParamsIsPasswordFile(params: params)) { // 加密文档进度回调
                return
            }
            
            var _fileUrl = self.fetchProgressBlockParamsForFileUrl(params: params)
            if let exn = _fileUrl?.pathExtension, KMTools.isPDFType(exn) {
                if (_fileUrl!.path.isPDFValid() == false) {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                    alert.runModal()
                }
            }
        } completionBlock: { [unowned self] documents in
            if !self.canUseAdvanced {
                _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }
            self.replacePages(of: self.thumbnailView.selectionIndexPaths, with: documents)
        }
    }
    
    override func replacePages(of targetIndexpaths: Set<IndexPath>, with documents: [CPDFDocument]) {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }
            
            super.replacePages(of: targetIndexpaths, with: documents)
        }
    }
    
    override func extractActionIndexpaths(indexpaths: Set<IndexPath>) {
        self.showExtractWindow_success(indexpaths: indexpaths) { [unowned self] oneDocumentPerPage, extractAfterDelete in
            self.extractPages(indexpaths: indexpaths, oneDocumentPerPage: oneDocumentPerPage, limit: !self.canPayFunction) { [unowned self] result, params in
                if (result == .failure || result == .cancel) {
                    return
                }
                
                if (extractAfterDelete) {
                    self.deleteIndexPaths(indexpaths: indexpaths)
                }
            }
        }
    }
    
    override func showExtractWindow(indexpaths: Set<IndexPath>, callback: @escaping KMResultBlock) {
        let windowC = KMPageEditExtractWindowController(nil)
        if let data = self.thumbnailView.document?.pageCount, data == indexpaths.count {
            windowC.canDeleteAll = false
        } else {
            windowC.canDeleteAll = true
        }
        self.km_beginSheet(windowC: windowC)
        
        windowC.itemClick = { [weak self] index, _ in
            if (index == 1) { /// 取消
                self?.km_endSheet()
                callback(.cancel)
                return
            }
            guard let _windowC = self?.kmCurrentWindowC as? KMPageEditExtractWindowController  else {
                self?.km_endSheet()
                callback(nil)
                return
            }
            
            /// 提取设置项
            let settingView = _windowC.settingView as! KMPageEditExtractSettingView
            let oneDocumentPerPage = settingView.independentPerPageValue
            let extractAfterDelete = settingView.extractAfterDeletePageValue
            
            Task { @MainActor in
                if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                    _ = KMComparativeTableViewController.show(window: _windowC.window!)
                    return
                }
                if await (KMLightMemberManager.manager.canPayFunction() == false) {
                    let _ = KMSubscribeWaterMarkWindowController.show(window: _windowC.window!, type: .extract) { isSubscribeSuccess, isWaterMarkExport, isClose in
                        if (isClose) {
                            return
                        }
                        if (isSubscribeSuccess) {
                            self?.km_endSheet()
                            callback(.ok, oneDocumentPerPage, extractAfterDelete)
                            return
                        }
                        if (isWaterMarkExport) {
                            self?.km_endSheet()
                            callback(.ok, oneDocumentPerPage, extractAfterDelete)
                            return
                        }
                    }
                    return
                }
                self?.km_endSheet()
                callback(.ok, oneDocumentPerPage, extractAfterDelete)
            }
        }
    }
    
    override func reverseAction() {
        self.trackEvent(type: .reverse)
        
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!, .pageEdit)
                return
            }

            self.toolBar.unSelectItem(for: KMToolbarPageEditReverseItemIdentifier)
            self.reverseMenuAction(sender: nil)
        }
    }
    
    override func leftRotateIndexpaths(indexpaths: Set<IndexPath>) {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.leftRotateIndexpaths(indexpaths: indexpaths)
        }
    }
    
    override func rightRotateIndexpaths(indexpaths: Set<IndexPath>) {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.rightRotateIndexpaths(indexpaths: indexpaths)
        }
    }
    
    override func insertBlankPage(size: NSSize, at index: Int) {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.insertBlankPage(size: size, at: index)
        }
    }
    
    override func insertFileAction() {
        self.km_open_file_multi { [unowned self] index, params in
            if (self.fetchProgressBlockParamsIsPasswordFile(params: params)) { // 加密文档进度回调
                return
            }
            
            var _fileUrl = self.fetchProgressBlockParamsForFileUrl(params: params)
            if let exn = _fileUrl?.pathExtension, KMTools.isPDFType(exn) {
                if (_fileUrl!.path.isPDFValid() == false) {
                    let alert = NSAlert()
                    alert.alertStyle = .critical
                    alert.messageText = NSLocalizedString("An error occurred while opening this document. The file is damaged and could not be repaired.", comment: "")
                    alert.runModal()
                }
            }
        } completionBlock: { [unowned self] documents in
            var insertIndex = self.getInsertIndex()
            var pages: Array<CPDFPage> = []
            var indexs = IndexSet()
            for document in documents {
                for i in 0 ..< document.pageCount {
                    guard let page = document.page(at: i) else {
                        continue
                    }
                    
                    pages.append(page)
                    insertIndex += 1
                    indexs.insert(insertIndex)
                }
            }
            
            if (!self.canUseAdvanced) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }
            self.insertPages(pages: pages, at: indexs)
        }
    }
    
    override func deleteIndexPaths(indexpaths: Set<IndexPath>) {
        if (!self.indexpathsIsValid(indexpaths: indexpaths)) {
            KMPrint("indexpaths invalid. indexpaths: \(indexpaths)")
            return
        }
        
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.deleteIndexPaths(indexpaths: indexpaths)
        }
    }
    
    override func cutAction() {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.cutAction()
        }
    }
    
    override func copyAction() {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.copyAction()
        }
    }
    
    override func pasteAction() {
        Task { @MainActor in
            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
                let _ = KMComparativeTableViewController.show(window: self.view.window!)
                return
            }

            super.pasteAction()
        }
    }
}

extension KMPDFEditViewController_dmg {
    override func thumbnailView(thumbanView: KMThumbnailView, shouldAcceptDrop draggingInfo: NSDraggingInfo, indexPath: IndexPath, dropOperation: NSCollectionView.DropOperation) -> Bool {
        if (!self.canUseAdvanced) {
            let _ = KMComparativeTableViewController.show(window: self.view.window!, .pageEdit)
            return false
        }
        
        return true
    }
    
    override func thumbnailView(thumbanView: KMThumbnailView, shouldPasteboardWriterForItemAt indexPath: IndexPath) -> Bool {
        if (!self.canUseAdvanced) {
            DispatchQueue.main.async {
                let _ = KMComparativeTableViewController.show(window: self.view.window!, .pageEdit)
            }
            return false
        }
        if (!self.canPayFunction) {
            return false
        }
        
        return true
    }
}