//
//  KMEditPDFPopToolBarWindow.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2024/6/25.
//

import Cocoa

@objcMembers class KMEditPDFPopToolBarWindow: NSWindow {
    static let shared = KMEditPDFPopToolBarWindow()
    
    var style: KMEditPDFToolbarStyle = .text
    var isMultiple: Bool = false
    
    let model = KMEditPDFModel()
    
    var itemClick: ((KMEditPDFToolbarItemKey, Any?)->Void)?
    
    convenience init() {
        let rect = NSRect(x: 0, y: 0, width: 400, height: 44)
        let styleMask: NSWindow.StyleMask = [.fullSizeContentView]
        self.init(contentRect: rect, styleMask: styleMask, backing: .buffered, defer: false)
    }
    
    override init(contentRect: NSRect, styleMask style: NSWindow.StyleMask, backing backingStoreType: NSWindow.BackingStoreType, defer flag: Bool) {
        super.init(contentRect: contentRect, styleMask: style, backing: backingStoreType, defer: flag)
        
        let contentViewC = KMEditPDFPopToolBarController()
        self.contentViewController = contentViewC
        
        self.titlebarAppearsTransparent = true
        self.titleVisibility = .hidden
//        self.level = .popUpMenu
//        self.isMovableByWindowBackground = false
        self.isMovable = false
        
        self.contentView?.wantsLayer = true
        self.contentView?.layer?.cornerRadius = 4
        self.contentView?.layer?.masksToBounds = true
        
        self.backgroundColor = .clear
        
        contentViewC.itemClick = { [weak self] itemKey, obj in
            self?.itemClick?(itemKey, obj)
        }
    }
    
    func show(relativeTo positioningRect: NSRect, of positioningView: NSView, preferredEdge: NSRectEdge) {
        let contentViewC = (self.contentViewController as? KMEditPDFPopToolBarController)
        
        var width: CGFloat = 392
        if self.style.contains(.text) {
            if self.style.contains(.image) { // text + image
                contentViewC?.itemKeys = [.alignmentLeft, .alignmentCenterX, .alignmentRight, .alignmentjustifiedX, .alignmentTop, .alignmentCenterY, .alignmentBottom, .alignmentjustifiedY]
                var datas: [KMEditPDFToolbarModel] = []
                for key in contentViewC?.itemKeys ?? [] {
                    let model = KMEditPDFToolbarModel()
                    model.itemKey = key
                    datas.append(model)
                }
                contentViewC?.datas = datas
                width = 320
            } else { // text
                if self.isMultiple {
                    width = 478
                    contentViewC?.itemKeys = [.color, .fontStyle, .fontAdd, .fontReduce, .fontBold, .fontItalic, .textAlignment, .separator, .alignmentLeft, .alignmentTop]
                    var datas: [KMEditPDFToolbarModel] = []
                    for key in contentViewC?.itemKeys ?? [] {
                        let model = KMEditPDFToolbarModel()
                        model.itemKey = key
                        if key == .color {
                            model.isEnabled = self.model.editAreasFontColorIsEqual()
                        } else if key == .fontStyle {
                            model.isEnabled = self.model.editAreasFontNameIsEqual()
                        } else if key == .fontAdd {
                            model.isEnabled = self.model.editAreasFontSizeIsEqual()
                        } else if key == .fontReduce {
                            model.isEnabled = self.model.editAreasFontSizeIsEqual()
                        } else if key == .fontBold {
                            model.isEnabled = self.model.editAreasFontBoldIsEqual()
                        } else if key == .fontItalic {
                            model.isEnabled = self.model.editAreasFontItalicIsEqual()
                        } else if key == .textAlignment {
                            model.isEnabled = self.model.editAreasTextAlignmentIsEqual()
                        }
                        datas.append(model)
                    }
                    contentViewC?.datas = datas
                } else {
                    width = 392
                    contentViewC?.itemKeys = [.color, .fontStyle, .fontAdd, .fontReduce, .fontBold, .fontItalic, .textAlignment]
                    var datas: [KMEditPDFToolbarModel] = []
                    for key in contentViewC?.itemKeys ?? [] {
                        let model = KMEditPDFToolbarModel()
                        model.itemKey = key
                        if key == .color {
                            model.isEnabled = self.model.editAreasFontColorIsEqual()
                        } else if key == .fontStyle {
                            model.isEnabled = self.model.editAreasFontNameIsEqual()
                        } else if key == .fontAdd {
                            model.isEnabled = self.model.editAreasFontSizeIsEqual()
                        } else if key == .fontReduce {
                            model.isEnabled = self.model.editAreasFontSizeIsEqual()
                        } else if key == .fontBold {
                            model.isEnabled = self.model.editAreasFontBoldIsEqual()
                        } else if key == .fontItalic {
                            model.isEnabled = self.model.editAreasFontItalicIsEqual()
                        } else if key == .textAlignment {
                            model.isEnabled = self.model.editAreasTextAlignmentIsEqual()
                        }
                        datas.append(model)
                    }
                    contentViewC?.datas = datas
                }
            }
        } else {
            if self.style.contains(.image) { // image
                if self.isMultiple {
                    width = 396
                    contentViewC?.itemKeys = [.leftRotate, .rightRotate, .separator, .reverseX, .reverseY, .separator, .crop, .replace, .export, .separator, .alignmentLeft, .alignmentTop]
                    var datas: [KMEditPDFToolbarModel] = []
                    for key in contentViewC?.itemKeys ?? [] {
                        let model = KMEditPDFToolbarModel()
                        model.itemKey = key
                        if key == .crop {
                            model.isEnabled = !self.isMultiple
                        }
                        datas.append(model)
                    }
                    contentViewC?.datas = datas
                } else {
                    width = 304
                    contentViewC?.itemKeys = [.leftRotate, .rightRotate, .separator, .reverseX, .reverseY, .separator, .crop, .replace, .export]
                    var datas: [KMEditPDFToolbarModel] = []
                    for key in contentViewC?.itemKeys ?? [] {
                        let model = KMEditPDFToolbarModel()
                        model.itemKey = key
                        if key == .crop {
                            model.isEnabled = !self.isMultiple
                        }
                        datas.append(model)
                    }
                    contentViewC?.datas = datas
                }
            } else { // none
                
            }
        }
        contentViewC?.fontColor = self.model.fontColors.last ?? .black
        
        let winFrame = positioningView.window?.frame ?? .zero
        var position = positioningView.convert(positioningRect.origin, to: nil)
//        var position = NSEvent.mouseLocation
        position.x += winFrame.origin.x
        position.y += winFrame.origin.y
        position.y += positioningRect.size.height
        position.y += 26
//        position.x -= 60
//        self.setFrameOrigin(position)
        let frame = NSMakeRect(position.x, position.y, width, 44)
        self.setFrame(frame, display: true)
        
        self.contentViewController?.view.frame = NSMakeRect(0, 0, width, 44)
        self.orderFront(nil)
//        self.makeKeyAndOrderFront(nil)
    }
    
    override var isMainWindow: Bool {
        return true
    }
    
    override var isKeyWindow: Bool {
        return true
    }
}

extension KMEditPDFPopToolBarWindow: KMInterfaceThemeChangedProtocol {
    func interfaceThemeDidChanged(_ appearance: NSAppearance.Name) {
        self.appearance = .init(named: appearance)
        
        self.contentViewController?.interfaceThemeDidChanged(appearance)
    }
}