//
//  KMHomeViewController+UI.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2022/10/13.
//

import Foundation

extension KMHomeViewController {
    
    func refreshRightBoxUI(_ state: KMHomeToolState) {
        rightFullBox.isHidden = true
        rightTopBox.isHidden = true
        rightBottomBox.isHidden = true
        
        homeButtonVC?.state = .Norm
        pdfToolsButtonVC?.state = .Norm
        cloudDocumentsButtonVC?.state = .Norm

        switch state {
        case .Home:
            rightTopBox.isHidden = false
            rightBottomBox.isHidden = false
            rightTopBox.contentView = fastToolViewController.view
            rightBottomBox.contentView = historyFileViewController.view
            rightFullBox.contentView = nil
            
            let isQuickToolsType:Bool = UserDefaults.standard.bool(forKey: "kHomeQucikToolsTypeKey")
            if isQuickToolsType {
                rightTopBoxHeightConstraint.constant = 230 + ScrollerViewWidget
            } else {
                rightTopBoxHeightConstraint.constant = 326 + ScrollerViewWidget
            }
            
            homeButtonVC?.state = .Sel
            refreshUI()
            break
        case .PDFTools:
            rightFullBox.isHidden = false
            rightFullBox.contentView = pdfToolsViewController.view
            rightTopBox.contentView = nil
            rightBottomBox.contentView = nil
            pdfToolsButtonVC?.state = .Sel
            refreshUI()
            break
        case .CloudDocuments:
            rightFullBox.isHidden = false
            rightFullBox.contentView = cloudDocumentsViewController.view
            rightTopBox.contentView = nil
            rightBottomBox.contentView = nil
            
            cloudDocumentsButtonVC?.state = .Sel
            refreshUI()
            break
        default:
            
            break
        }
    }
    
    func showConvertWindow(type: KMPDFConvertType) {
        Task { @MainActor in
            self.km_secure_openPanel_convert(type: type)
        }
    }
    
    func km_secure_openPanel_convert(type: KMPDFConvertType) {
        DispatchQueue.main.async {
            NSOpenPanel.km_secure_openPanel_success(window: self.view.window!) { url, password in
                if (url.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()
                    return
                }
                
                self._showConvertWindow(type: type, url: url, password: password)
            }
        }
    }
    
    func showSecurityWindow() {
//        Task { @MainActor in
//            #if VERSION_DMG
//            if await (KMLightMemberManager.manager.canUseAdvanced() == false) {
//                let _ = KMComparativeTableViewController.show(window: self.view.window!, .merge)
//                return
//            }
//            #endif
//
//            if await (KMLightMemberManager.manager.canPayFunction() == false) {
//                let _ = KMSubscribeWaterMarkWindowController.show(window: self.view.window!, isContinue: true) { isSubscribeSuccess, isWaterMarkExport, isClose in
//                    if (isClose) {
//                        return
//                    }
//                    self.km_secure_openPanel_security(limit: true)
//                }
//                return
//            }
//            self.km_secure_openPanel_security()
//        }
    }
    
    func km_secure_openPanel_security(limit: Bool = false) {
        DispatchQueue.main.async {
            NSOpenPanel.km_secure_openPanel_success(window: self.view.window!, needOwner: true) { url, password in
                self._showSecurityWindow(url: url, password: password, limit: limit)
            }
        }
    }
    
    func refreshScrollView() -> Void {
        let rect = self.homeSplitView.frame
        let rightWidth = Int(rect.width) - 271
        
        if self.aiOpenPDFFilesViewController != nil {
            if rightWidth >= (360 + 20 + 328) {
                self.rightTopBoxHeightConstraint.constant = 348
                self.aiOpenPDFFilesViewController.refreshLayout(isLimit: false)
            } else {
                self.rightTopBoxHeightConstraint.constant = 348 * 2
                self.aiOpenPDFFilesViewController.refreshLayout(isLimit: true)
            }
//            let scrollView: NSScrollView = self.homeRightScrollViewView
//            let targetOrigin: NSPoint = NSPoint(x: 271, y: (self.homeRightScrollViewView.documentView?.frame.height)!)
//
//            let documentVisibleRect = scrollView.documentVisibleRect
//            let documentSize = scrollView.documentView?.frame.size ?? .zero
//
//            // 确保 targetOrigin 在有效的滚动范围内
//            let maxX = max(0, documentSize.width - documentVisibleRect.size.width)
//            let maxY = max(0, documentSize.height - documentVisibleRect.size.height)
//            let clampedOrigin = NSPoint(x: min(targetOrigin.x, maxX), y: min(targetOrigin.y, maxY))
//
//
////            self.homeRightScrollViewView.documentView?.layoutSubtreeIfNeeded()
//            self.homeRightScrollViewView.contentView.scroll(to:clampedOrigin)
        }

        var contentViewHeight = 0
        if self.historyFileViewController.files.count > 0 {
            if self.historyFileViewController.showMode == .Thumbnail {
                if self.historyFileViewController.thumbnailSCrollView != nil {
                    var count = rightWidth/(226 + 32)
                    if count <= 0 {
                        count = 1
                    }
                    var row = self.historyFileViewController.files.count/count
                    if self.historyFileViewController.files.count%count > 0 {
                        row += 1
                    }
                    let height2 = (248 + 16) * row
                    contentViewHeight = Int(self.rightTopBoxHeightConstraint.constant + CGFloat(height2) + 76)
                    self.rightBottonHeight.constant = CGFloat(height2) + 76
                }
            } else {
                if self.historyFileViewController.listScrollView != nil {
                    let height2 = self.historyFileViewController.files.count * 72 + 32
                    contentViewHeight = Int(self.rightTopBoxHeightConstraint.constant + CGFloat(height2) + 76)
                    self.rightBottonHeight.constant = CGFloat(height2) + 76
                }
            }
        } else {
            contentViewHeight = Int(rect.height - self.rightTopBox.frame.height)
            self.rightBottonHeight.constant = CGFloat(contentViewHeight)
        }
        if contentViewHeight < Int(rect.height) {
            contentViewHeight = Int(rect.height)
            self.rightBottonHeight.constant = rect.height - self.rightTopBoxHeightConstraint.constant
        }
        
        self.homeRightScrollViewView.documentView!.frame = NSRect(x: 271, y: 0, width: rightWidth, height: contentViewHeight)
        
        let scrollView: NSScrollView = self.homeRightScrollViewView
        let targetOrigin: NSPoint = NSPoint(x: 271, y: (self.homeRightScrollViewView.documentView?.frame.height)!)

        let documentVisibleRect = scrollView.documentVisibleRect
        let documentSize = scrollView.documentView?.frame.size ?? .zero

        // 确保 targetOrigin 在有效的滚动范围内
        let maxX = max(271, documentSize.width - documentVisibleRect.size.width)
        let maxY = max(0, documentSize.height - documentVisibleRect.size.height)
        let clampedOrigin = NSPoint(x: min(targetOrigin.x, maxX), y: min(targetOrigin.y, maxY))

        self.homeRightScrollViewView.contentView.scroll(to:clampedOrigin)
    }
    
    // MARK: - Private Methods
    
    fileprivate func _showConvertWindow(type: KMPDFConvertType, url: URL, password: String? = nil) {
//        var windowController: KMConvertBaseWindowController?
//        if (type == .word) { /// Word
//            windowController = KMConvertWordWindowController()
//        } else if (type == .excel) {
//            windowController = KMConvertExcelWindowController()
//        } else if (type == .ppt || type == .rtf || type == .html || type == .text) {
//            windowController = KMConvertPPTsWindowController()
//            if (type == .ppt) {
//                windowController?.subType = 1
//            } else if (type == .rtf) {
//                windowController?.subType = 2
//            } else if (type == .html) {
//                windowController?.subType = 3
//            } else if (type == .text) {
//                windowController?.subType = 4
//            }
//        } else if (type == .csv) {
//            windowController = KMConvertCSVWindowController()
//        } else if (type == .image) {
//            windowController = KMConvertImageWindowController()
//        }
//        windowController?.subscribeWaterMarkType = type.toSubscribeWaterMarkType()
//        
//        let model = KMDocumentModel(url: url)
//        if (password != nil) {
//            let _ = model.unlock(password!)
//        }
//        windowController?.documentModel = model
//        
//        windowController?.itemClick = { [weak self] _ in
//            self?.km_endSheet()
//        }
//        
//        self.km_safe_beginSheet(windowC: windowController)
    }
    
    fileprivate func _showSecurityWindow(url: URL, password: String?, limit: Bool = false) {  // 安全
//        let windowC = KMSecureEncryptWindowController(windowNibName: "KMSecureEncryptWindowController")
//        windowC.documentURL = url
//        windowC.myDocument = CPDFDocument(url: url)
//        if let _password = password {
//            windowC.myDocument.unlock(withPassword: _password)
//        }
//        
//        let newDocument: CPDFDocument = CPDFDocument(url: url)
//        windowC.itemClick = { [weak self] _ in
//            self?.km_endSheet()
//        }
//        
//        windowC.resultCallback = { [weak self] _ in
//            let windowController_secure: KMSecureEncryptWindowController = self?.kmCurrentWindowC as! KMSecureEncryptWindowController
//            self?.km_endSheet()
//            if let _password = password {
//                newDocument.unlock(withPassword: _password)
//            }
//            
//            if (!limit) {
//                newDocument.setPasswordOptions(windowController_secure.options)
//                let result = KMPasswordInputWindow.saveDocument(newDocument)
//                if result {
//                    NSWorkspace.shared.activateFileViewerSelecting([newDocument.documentURL])
//                } else {
//                    let alert = NSAlert()
//                    alert.messageText = NSLocalizedString("Failure", comment: "")
//                    alert.runModal()
//                }
//                return
//            }
//            
//            NSPanel.savePanel((self?.view.window)!, panel: { panel in
//                panel.nameFieldStringValue = url.lastPathComponent
//            }) { response, saveUrl in
//                if (response == .cancel) {
//                    return
//                }
//                
//                if let fileUrl = KMTools.saveWatermarkDocument(document: newDocument, to: saveUrl!, secureOptions: windowController_secure.options) {
//                    NSWorkspace.shared.activateFileViewerSelecting([fileUrl])
//                } else {
//                    let alert = NSAlert()
//                    alert.messageText = NSLocalizedString("Failure", comment: "")
//                    alert.runModal()
//                }
//            }
//        }
//        
//        self.km_beginSheet(windowC: windowC)
    }
}

// MARK: - NSSplitViewDelegate

extension KMHomeViewController: NSSplitViewDelegate {
    func splitView(_ splitView: NSSplitView, constrainMinCoordinate proposedMinimumPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        return 270.0
    }
    
    func splitView(_ splitView: NSSplitView, constrainMaxCoordinate proposedMaximumPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        return 270.0
    }
    
    func splitView(_ splitView: NSSplitView, shouldAdjustSizeOfSubview view: NSView) -> Bool {
        return false
    }
    
    func splitViewDidResizeSubviews(_ notification: Notification) {
        let rect = self.homeSplitView.frame
        self.leftBox.setFrameSize(CGSize(width: 270, height: rect.size.height))
        
        self.rightBox.frame = CGRect(origin: CGPoint(x: 271.0, y: 0), size: CGSize(width: rect.width - 271.0, height: rect.height))
        
    }
    
    func splitView(_ splitView: NSSplitView, constrainSplitPosition proposedPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        return proposedPosition
    }
    
    func splitView(_ splitView: NSSplitView, canCollapseSubview subview: NSView) -> Bool {
        return false
    }
    
    func splitView(_ splitView: NSSplitView, shouldCollapseSubview subview: NSView, forDoubleClickOnDividerAt dividerIndex: Int) -> Bool {
        return false
    }
    
    func splitView(_ splitView: NSSplitView, shouldHideDividerAt dividerIndex: Int) -> Bool {
        return splitView.isEqual(to: self.homeSplitView)
    }
    
    func splitView(_ splitView: NSSplitView, effectiveRect proposedEffectiveRect: NSRect, forDrawnRect drawnRect: NSRect, ofDividerAt dividerIndex: Int) -> NSRect {
        return proposedEffectiveRect
    }
    
    func splitView(_ splitView: NSSplitView, additionalEffectiveRectOfDividerAt dividerIndex: Int) -> NSRect {
        return NSMakeRect(0, 0, 0, 0)
    }
}

// MARK: - KMHomeFastToolViewControllerDelegate

extension KMHomeViewController: KMHomeFastToolViewControllerDelegate {
    func fastToolViewController(_ viewController: KMHomeFastToolViewController, foldChangeState: Bool) {
        if foldChangeState { 
            rightTopBoxHeightConstraint.constant = 230.0 + ScrollerViewWidget
        } else {
            rightTopBoxHeightConstraint.constant = 326.0 + ScrollerViewWidget
        }
    }

    func fastToolDidSelectAllTools(_ viewController: KMHomeFastToolViewController) {
        fastToolDidSelectAllTools()
    }

    func fastToolViewController(_ viewController: KMHomeFastToolViewController, didSelectItemsAt indexPaths: [Int]) {
        for index in indexPaths {
            fastToolItemAction(DataNavigationViewButtonActionType(rawValue: index) ?? .Batch)
        }
    }
}

// MARK: - KMHomeHistoryFileViewControllerDelegate

extension KMHomeViewController: KMHomeHistoryFileViewControllerDelegate {
    func historyFileViewController(_ viewController: KMHomeHistoryFileViewController, deleteDocuments indexPaths: [URL]) {
        historyFile(deleteDocuments: indexPaths)
    }
    
    func historyFileViewController(_ viewController: KMHomeHistoryFileViewController, didSelectItemsAt indexPaths: [URL]) {
        for url in indexPaths {
            openHistoryFilePath(url: url)
        }
    }
    
    func historyFileViewController(_ viewController: KMHomeHistoryFileViewController, refreshLayout refresh: Bool) {
        self.refreshScrollView()
    }
}

// MARK: - KMPDFToolsViewControllerDelegate

extension KMHomeViewController: KMPDFToolsViewControllerDelegate {
    func pdfToolsViewController(_ viewController: KMPDFToolsViewController, didSelectItemsAt indexPaths: [Int]) {
        for index in indexPaths {
            fastToolItemAction(DataNavigationViewButtonActionType(rawValue: index) ?? .Batch)
        }
    }
}

// MARK: - KMHomeDragViewDelegate

extension KMHomeViewController: KMHomeDragViewDelegate {
    func homeDragView(_ viewController: KMHomeDragView, filePath: URL) {
        if self.aiHomeState == .AITranslation {
            self.aiTranslation(withFilePath: filePath.path)
        } else {
            self.openFile(withFilePath: filePath)
        }
    }
    
    func homeDragView(_ viewController: KMHomeDragView, notSupport: Bool) {
//        if notSupport {
//            let alert = NSAlert()
//            alert.alertStyle = .critical
//            alert.messageText = NSLocalizedString("This file format is not supported. Please enter PDF, picture, or Office file", comment: "")
//            alert.runModal()
//        }
    }
}