//
//  KMMainViewController+UI.swift
//  PDF Master
//
//  Created by wanjun on 2022/12/15.
//

import Foundation

extension KMMainViewController {
    func showChildToolbar(showToolbar:Bool) {
        if showToolbar == true && self.isReadMode == false {
            self.view.addSubview(self.childToolbarController.view)
        } else {
            self.childToolbarController.view.removeFromSuperview()
        }
        self.updateTopView()
    }
    
    private func updateTopView () {
        let frame = self.view.frame
        if self.childToolbarController.view.superview != nil {
            let toolbarFrame = self.childToolbarController.view.frame;
            self.childToolbarController.view.frame = CGRect(x: 0, y: (frame.size.height ?? 0)-toolbarFrame.size.height, width: frame.size.width ?? 0, height: toolbarFrame.size.height)
            self.childToolbarController.view.autoresizingMask = [.width,.minYMargin]
            self.toplayoutConstraint.constant = toolbarFrame.size.height
        } else {
            self.toplayoutConstraint.constant = 0
        }
    }
    
    //通知
    func preferenceDidChangeNotification(notification:Notification) {
        let info : [AnyHashable : Any] = notification.userInfo ?? [:]
        
        if info.keys.contains(KMPreference.viewZoomScaleTypeKey) {
            self.selectZoom(KMPreferenceManager.shared.viewZoomScaleType)
        }
        
        if notification.name.rawValue == "pdfViewDocumentDidLoaded" || info.keys.contains(KMPreference.viewPageDisplayTypeKey) {
            self.selectDisplay(display: KMPreferenceManager.shared.viewPageDisplayType)
        }
        
        if info.keys.contains(KMPreference.displayBackgroundNormalColorKey) || notification.name.rawValue == "pdfViewDocumentDidLoaded" {
            self.listView.backgroundColor = KMPreferenceManager.shared.displayBackgroundNormalColor
            self.listView.layoutDocumentView()
        }
        
        self.updatePageIndicatoreType()
        if (info.keys.contains(KMPreference.generalAuthorNameKey)) { // 作者名称
            CPDFKitConfig.sharedInstance().setAnnotationAuthor((info[KMPreference.generalAuthorNameKey] as! String))
        }
        if (info.keys.contains(KMPreference.highlightLinksKey)) {
            let hlLink = info[KMPreference.highlightLinksKey] as? Bool
            CPDFKitConfig.sharedInstance().setEnableLinkFieldHighlight(hlLink == nil ? false : hlLink!)
            self.listView.setNeedsDisplayForVisiblePages()
        }
        if (info.keys.contains(KMPreference.autoSaveKey) || info.keys.contains(KMPreference.autoSavePerNumberMinuteKey)) {
            self.autoSaveTimeStartOrStopIfNeed()
        }
    }
    
    //刷新页面显示器
    func updatePageIndicatoreType () {
        if self.isReadMode {
            self.pageNumberDisplayView.dismiss()
        } else {
            if self.listView.document != nil {
                self.pageNumberDisplayView.totalPagesCount = Int(self.listView.document.pageCount)
            }
            self.pageNumberDisplayView.currentPageIndex = self.listView.currentPageIndex
            self.pageNumberDisplayView.displayType = KMPreferenceManager.shared.pageIndicatorType
            
            self.readContentView.addSubview(self.tipCurrentPageBox, positioned: .above, relativeTo: self.readContentView)
        }
    }
}

extension KMMainViewController: KMToolbarControllerDelegate {
    func toolbarController(_ viewController: KMToolbarController, heightOffsetChange heightOffset: Float) {
        if self.isReadMode {
            self.heightOffset.constant = CGFloat(0)
        } else {
            self.heightOffset.constant = CGFloat(heightOffset)
        }
        self.refreshListViewToolMode()
        self.listView.annotationType = .unkown
//        self.rightSideViewController.view.isHidden = true
        self.rightSideViewController.isHidden = true
        if self.toolbarController.toolbarType != .LeftPanel {
            self.closeRightPane()
        }
    }
    
    func changeAnnotationModeAction(item: KMToolbarClickButton){
        var currentType = self.listView.annotationType
        if (currentType == .eraser) {
            currentType = .ink
        }
        var isSelected = (currentType == CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown) && ((self.listView.toolMode == .noteToolMode) || (self.listView.toolMode == .selfSignMode))
        var editSelectd = false
        if self.listView.annotationType == CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown && self.listView.toolMode == .editPDFToolMode {
            editSelectd = true
        }
        //多边形工具栏点击特殊处理
        if (self.listView.annotationType == .square ||
            self.listView.annotationType == .circle ||
            self.listView.annotationType == .arrow ||
            self.listView.annotationType == .line) {
            if CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown == .square ||
                CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown == .circle ||
                CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown == .arrow ||
                CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown == .line {
                isSelected = true
            }
        } else if (item.tag > 3 &&  item.tag < 8) {
            let shape = UserDefaults.standard.object(forKey: KMToolBarToolPDFShapeStyle)
            item.tag = shape as? Int ?? item.tag
        }
        
        if isSelected {
            self.listView.toolMode = .textToolMode
            self.listView.annotationType = .unkown
            self.closeRightPane()
        } else {
            if self.listView.currentSelection != nil {
              let annotation = self.listView.addAnnotation(with: CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown, selection: self.listView.currentSelection, page: self.listView.currentSelection.page, bounds: self.listView.currentSelection.bounds)
                if((annotation != nil) &&
                   !self.listView.activeAnnotations.contains(annotation ?? self.listView.activeAnnotation)) {
                    var newAnnonations : [CPDFAnnotation] = []
                    newAnnonations.append(annotation!)
                    self.listView.updateActiveAnnotations(newAnnonations)
                    self.listView.setNeedsDisplayAnnotationViewFor(annotation?.page)
                }

            }
            self.refreshListViewToolMode()
            let type = CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown
            var annotations: [CPDFAnnotation] = []
            if (type == .link) {
                for annotation in self.listView.activeAnnotations {
                    if ((annotation is CPDFLinkAnnotation) == false) {
                        continue
                    }
                    annotations.append(annotation as! CPDFAnnotation)
                }
            }
            
            self.listView.annotationType = type
            if (type == .link && annotations.count > 0) {
                self.listView.updateActiveAnnotations(annotations)
            }
        }
        
        if self.listView.toolMode != .editPDFToolMode && self.listView.annotationType != .unkown {
//            self.rightSideViewController.view.isHidden = false
            self.rightSideViewController.isHidden = false
            self.rightSideViewController.subViewType = .AnnotationProperts
            self.openRightPane()
        } else if self.listView.toolMode == .editPDFToolMode {
            if editSelectd {
//                self.rightSideViewController.view.isHidden = true
                self.rightSideViewController.isHidden = true
                self.listView.setShouAddEdit([])
                self.listView.annotationType = .unkown
                self.closeRightPane()
            } else if self.listView.annotationType == .addText {
//                self.rightSideViewController.view.isHidden = false
                self.rightSideViewController.isHidden = false
                self.openRightPane()
                self.rightSideViewController.subViewType = .EditPDFAddText
                self.listView.setShouAddEdit(.text)
            } else if self.listView.annotationType == .addImage {
                self.rightSideViewController.subViewType = .EditPDFAddImage
                self.listView.setShouAddEdit(.image)
            }
        } else {
//            self.rightSideViewController.view.isHidden = true
            self.rightSideViewController.isHidden = true
            self.closeRightPane()
        }
        
    }
    
    func refreshListViewToolMode () {
        if self.toolbarController.toolbarType == .Annatiton {
           self.listView.toolMode = .noteToolMode
        } else if self.toolbarController.toolbarType == .Move {
            self.listView.toolMode = .moveToolMode
        } else if self.toolbarController.toolbarType == .Magnify {
            self.listView.toolMode = .magnifyToolMode
        } else if self.toolbarController.toolbarType == .Select {
            self.listView.toolMode = .selectToolMode
        } else if self.toolbarController.toolbarType == .SelectZoom {
            self.listView.toolMode = .selectZoomToolMode
        } else if self.toolbarController.toolbarType == .Page {
            
        } else if self.toolbarController.toolbarType == .Form {
            self.listView.toolMode = .formToolMode
            self.rightSideViewController.subViewType = .AnnotationProperts
        } else if self.toolbarController.toolbarType == .FillSign {
            self.listView.toolMode = .selfSignMode
            self.rightSideViewController.subViewType = .AnnotationProperts
        } else if self.toolbarController.toolbarType == .editPDF {
            self.listView.toolMode = .editPDFToolMode
            self.listView.editingConfig().isShowEditingAreaHover = true
            self.listView.editingConfig().editingBorderWidth = 1
            self.listView.editingConfig().editingCenterRadius = 5
            self.listView.editingConfig().editAreaMargin = 2
            self.listView.editingConfig().editingHoverBorderColor = NSColor.init(red: 0, green: 136.0/255.0, blue: 1.0, alpha: 0.5)
            self.listView.editingConfig().editingBorderColor = NSColor.init(red: 0, green: 0, blue: 0, alpha: 0.4)
            self.listView.editingConfig().addEditAreaColor = NSColor.init(red: 23.0/255.0, green: 112.0/255.0, blue: 244.0/255.0, alpha: 0.5)
            self.listView.editingConfig().editAreaMoveFillColor = NSColor.init(red: 23.0/255.0, green: 112.0/255.0, blue: 244.0/255.0, alpha: 0.1)

        }else if self.toolbarController.toolbarType == .LeftPanel {
            self.toggleLeftPane()
            self.leftSideViewController.showPanelView(show: true)
        }else {
//            if self.leftSideViewController.isShowPanel {
//                self.leftSideViewController.showPanelView(show: false)
//            }
            self.listView.toolMode = .textToolMode
        }
    }
    
    func showPDFLayoutModeAction(show: Bool) {
        self.listView.annotationType = .unkown
        self.showOrHideNotes()
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, rightPanel toolbarItem: KMToolBoxItem) {
        self.toggleRightPane()
    }
    
    func toolbarViewController(_ viewController: KMToolbarViewController, leftPanel toolbarItem: KMToolBoxItem) {
        self.toggleLeftPane()
        self.leftSideViewController.showPanelView(show: toolbarItem.isSelected)
    }
}

extension KMMainViewController : NSSplitViewDelegate {
    func splitView(_ splitView: NSSplitView, canCollapseSubview subview: NSView) -> Bool {
        if splitView == self.mianSplitView {
//            return (subview == self.listView) == false
        }
        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 == self.mianSplitView
    }
    
    func splitView(_ splitView: NSSplitView, constrainMaxCoordinate proposedMaximumPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        if splitView == mianSplitView {
            let splitViewWidth = splitView.frame.width
            let dividerIndexX0 = panelWidth + functionWidth
            if dividerIndex == 0 {
                if leftPanelOpen {
                    return CGFloat(dividerIndexX0)
                } else {
                    return functionWidth
                }
            } else if dividerIndex == 1 {
                return splitViewWidth
            }
        }
        return proposedMaximumPosition
    }
    
    func splitView(_ splitView: NSSplitView, constrainMinCoordinate proposedMinimumPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        if splitView == mianSplitView {
            let splitViewWidth = splitView.frame.width
            let dividerIndexX1 = splitViewWidth - defaultRightWidth
            if dividerIndex == 0 {
                return functionWidth
            } else if dividerIndex == 1 {
                return dividerIndexX1
            }
        }
        return proposedMinimumPosition
    }
    
    func splitView(_ splitView: NSSplitView, resizeSubviewsWithOldSize oldSize: NSSize) {
        if splitView.isEqual(to: mianSplitView) {
            let leftView = splitView.subviews[0]
            let centerView = splitView.subviews[1]
            let rightView = splitView.subviews[2]
            
            let leftCollapsed = splitView.isSubviewCollapsed(leftView)
            let rightCollapsed = splitView.isSubviewCollapsed(rightView)
            var leftSize = leftView.frame.size
            var mainSize = centerView.frame.size
            var rightSize = rightView.frame.size
            var contentWidth = splitView.frame.width
            if leftCollapsed {
                leftSize.width = 0.0
            } else {
                contentWidth = contentWidth - splitView.dividerThickness
            }
            if rightCollapsed {
                rightSize.width = 0.0
            } else {
                contentWidth = contentWidth - splitView.dividerThickness
            }
            if contentWidth < leftSize.width + rightSize.width {
                var oldContentWidth = oldSize.width
                if leftCollapsed == false {
                    oldContentWidth = oldContentWidth - splitView.dividerThickness
                }
                if rightCollapsed == false {
                    oldContentWidth = oldContentWidth - splitView.dividerThickness
                }
                let resizeFactor = contentWidth / oldContentWidth
                leftSize.width = floor(resizeFactor*leftSize.width)
                rightSize.width = floor(resizeFactor*rightSize.width)
            }
            mainSize.width = contentWidth - leftSize.width - rightSize.width
            leftSize.height = splitView.frame.height
            rightSize.height = splitView.frame.height
            mainSize.height = splitView.frame.height
            if leftCollapsed == false {
                leftView.setFrameSize(leftSize)
            }
            if rightCollapsed == false {
                rightView.setFrameSize(rightSize)
            }
            centerView.setFrameSize(mainSize)
        }
        splitView.adjustSubviews()
    }
    
    func splitViewWillResizeSubviews(_ notification: Notification) {
        let defaultView = KMSplitView()
        let sender : NSSplitView = notification.object as? NSSplitView ?? defaultView
        if (sender == self.mianSplitView || sender == defaultView) && self.view.window?.frameAutosaveName != nil{
            let leftWidth = self.mianSplitView.isSubviewCollapsed(self.leftView) ? 0.0 : leftSideViewController.view.frame.width
            if leftPanelOpen {
//                if leftWidth < 100 && lastLeftPanWidth > functionWidth{
//                    self.closeLeftPane()
//                }
            }
        }
    }
    
    func splitViewDidResizeSubviews(_ notification: Notification) {
        self.locationPageView.frame = CGRect(x: 0, y: self.listView.frame.maxY-32, width: self.listView.frame.width, height: 32)
        let defaultView = KMSplitView()
        let sender : NSSplitView = notification.object as? NSSplitView ?? defaultView
        if (sender == self.mianSplitView || sender == defaultView) && self.view.window?.frameAutosaveName != nil{
            let leftWidth = self.mianSplitView.isSubviewCollapsed(self.leftView) ? 0.0 : leftSideViewController.view.frame.width
            let rightWidth = self.mianSplitView.isSubviewCollapsed(self.rightView) ? 0.0 : rightSideViewController.view.frame.width
            UserDefaults.standard.set(leftWidth, forKey: CPDFOfficeLeftSidePaneWidthKey)
            UserDefaults.standard.set(rightWidth, forKey: CPDFOfficeRightSidePaneWidthKey)
        }
    }
    
    func splitView(_ splitView: NSSplitView, constrainSplitPosition proposedPosition: CGFloat, ofSubviewAt dividerIndex: Int) -> CGFloat {
        if dividerIndex == 0 {
            if leftPanelOpen {
                //当左边栏开启式，拖拽时不改变宽度，当宽度达到原宽度的一半时关闭窗口
                //如果 isShowPanel 为 true 那么将不会收缩
                if (proposedPosition < functionWidth + panelWidth * 0.5) && !self.leftSideViewController.isShowPanel {
                    self.closeLeftPane()
                    self.leftSideViewController.refreshMethodType(methodType: .None)
                    return functionWidth
                } else {
                    return panelWidth + functionWidth
                }
            } else {
                return functionWidth
            }
        }
        return proposedPosition
    }
}

extension KMMainViewController: KMLeftSideViewControllerDelegate {
    func controlStateChange(_ obj: KMLeftSideViewController, show: Bool) {
        if show {
            self.openLeftPane()
        } else {
            self.closeLeftPane()
        }
    }
    
    func enterEditMode(_ obj: KMLeftSideViewController, _ pages: [Int]) {
        let item : KMToolBoxItem = (self.toolbarController.mainToolBarView?.toolbarItemFindItemIdentifiers(value: KMDocumentPageToolbarItemIdentifier))!
        self.toolbarController.mainToolBarView?.delegate?.toolbarViewController?(self.toolbarController.mainToolBarView!, clickMode: .Page, toolbar: item, pages)
    }
    
    func searchAction(searchString: String,isCase:Bool) {
        self.search(searchString: searchString,isCase: isCase)
    }
    
    func controller(_ controller: KMLeftSideViewController, dispayDidChange dispay: KMPDFDisplayType) {
        self.selectDisplay(display: dispay, viewSettingIsReload: false)
    }
    
    func controller(controller: KMLeftSideViewController, itemClick item: Any?, itemKey: KMItemKey, params: Any?) {
        if (itemKey == .print) { // 打印
            var pageRange: KMPrintPageRange = KMPrintPageRange(type: .allPage, selectPages: [], reversePrintOrder: false)
            if (params != nil) {
                pageRange.type = .custom
                pageRange.selectPages = params as! [Int]
            }
            
            self.showPrintWindow(pageRange: pageRange)
        } else if (itemKey == .cut || itemKey == .paste || itemKey == .delete || itemKey == .leftRotate || itemKey == .rightRotate) {
            self._isPDFDocumentEdited = true
        }
    }
    
    func controller(controller: KMLeftSideViewController, bookMarkDidChange bookMarks: [KMBookMarkItem]) {
        self.needSave = true
        self._isPDFDocumentEdited = true
    }
}

//MARK: ReadModel
extension KMMainViewController {
    @objc func openReadModel() {
        //设置阅读模式
        self.isReadMode = true
        self.readModelView.isHidden = false
        
        //顶部菜单栏状态清空
        self.toolbarController.toolbarType = .None
        self.toolbarController.cancelSelected(KMLeftControlToolbarItemIdentifier)
        self.toolbarController.cancelSelected(KMRightControlToolbarItemIdentifier)
        self.toolbarController.lastItemBox.isSelected = false
        
        //左侧菜单栏情况
        self.leftPanelOpen = false
        self.lastLeftPanWidth = 0
        self.leftSideViewController.refreshMethodType(methodType: .None)

        //阅读界面初始化
        self.readModelView.isHidden = false
        self.readModelView.currentPageIndex = self.listView.currentPageIndex
        self.readModelView.totalPagesCount = Int(self.listView.document.pageCount)
        self.readModelView.beginTimer()
//        self.listView.autoScales = true
//        self.readModelView.scaleType = .autoSize
        self.readModelView.zoomButton.stringValue = (NSString(format: "%.0f", self.listView.scaleFactor * 100) as String) + "%"
        
        //关闭左侧右侧菜单栏
        self.closeLeftPane()
        self.closeRightPane()
        self.leftSideViewController.showPanelView(show: false)
        self.leftView.isHidden = true
        
        //弹出提示框
        let alertView = CustomAlertView(message: NSLocalizedString("Read mode on, you can press ESC to exit.", comment: ""), from: self.view, with: .blue, backgroundColor: NSColor(hex: "#36383B"))
    }
    
    @objc func closeReadModel() {
        if self.isReadMode {
            self.isShowBOTA = false
            self.readModelView.isHidden = true
            self.isReadMode = false
            self.readModelView.isHidden = true
            self.toolbarController.toolbarType = self.toolbarController.toolbarType
        } else {
            self.toolbarController.toolbarType = .None
        }
        let alertView = CustomAlertView(message: NSLocalizedString("Read Mode Off", comment: ""), from: self.view, with: .blue, backgroundColor: NSColor(hex: "#36383B"))
    }
    
    @objc func highlightLinks() {
        let highlightLinks = KMPreferenceManager.shared.highlightLinks
        KMPreferenceManager.shared.highlightLinks = !highlightLinks
    }
}