//
//  KMBookmark.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2024/2/5.
//

import Cocoa

enum KMBookmarkType: Int {
    case bookmark = 0
    case folder
    case session
    case separator
}

class KMBookmark: NSObject {
    var properties: NSDictionary?
    var bookmarkType: KMBookmarkType = .bookmark
    var label: String = ""
    var icon: NSImage = NSImage()
    var alternateIcon: NSImage =  NSImage()
    var fileURL: URL?
    var pageIndex: UInt = 0
    var pageNumber: NSNumber = 0
    
    var documentSetup: [String: Any] = [:]//文档
    var parent: KMBookmark?
    var children: [KMBookmark] = [] //子
    
    static func bookmark(url: URL, pageIndex: UInt, label: String) -> KMBookmark {
        let bookmark = KMBookmark()
        bookmark.fileURL = url
        bookmark.pageIndex = pageIndex
        bookmark.label = label
        return bookmark
    }
    
    func initWithProperties(properties: NSDictionary) -> KMBookmark {
        
        return KMBookmark()
    }
    
    static func bookmark(properties: [String: Any]) -> KMBookmark {
        return KMBookmark()
    }
    
//        - (id)initWithProperties:(NSDictionary *)dictionary {
//            NSString *type = [dictionary objectForKey:TYPE_KEY];
//            if ([type isEqualToString:SEPARATOR_STRING]) {
//                return (id)[[SKSeparatorBookmark alloc] init];
//            } else if ([type isEqualToString:FOLDER_STRING] || [type isEqualToString:SESSION_STRING]) {
//                Class bookmarkClass = [type isEqualToString:FOLDER_STRING] ? [SKFolderBookmark class] : [SKSessionBookmark class];
//                NSMutableArray *newChildren = [NSMutableArray array];
//                SKBookmark *child;
//                for (NSDictionary *dict in [dictionary objectForKey:CHILDREN_KEY]) {
//                    if ((child = [[SKBookmark alloc] initWithProperties:dict])) {
//                        [newChildren addObject:child];
//                        [child release];
//                    } else
//                        NSLog(@"Failed to read child bookmark: %@", dict);
//                }
//                return (id)[[bookmarkClass alloc] initFolderWithChildren:newChildren label:[dictionary objectForKey:LABEL_KEY]];
//            } else if ([dictionary objectForKey:@"windowFrame"]) {
//                return (id)[[SKFileBookmark alloc] initWithSetup:dictionary label:[dictionary objectForKey:LABEL_KEY]];
//            } else {
//                NSNumber *pageIndex = [dictionary objectForKey:PAGEINDEX_KEY];
//                return (id)[[SKFileBookmark alloc] initWithAliasData:[dictionary objectForKey:ALIASDATA_KEY] pageIndex:(pageIndex ? [pageIndex unsignedIntegerValue] : NSNotFound) label:[dictionary objectForKey:LABEL_KEY]];
//            }
//        }
    
    func insert(child: KMBookmark, atIndex: UInt) {
        children.insert(child, at: Int(atIndex))
        child.parent = self
    }
    
    func isDescendant(of bookmark: KMBookmark) -> Bool {
        if self == bookmark {
            return true
        }
        for child in bookmark.children {
            if self.isDescendant(of: child) {
                return true
            }
        }
        return false
    }
    
    func isDescendant(ofArray bookmarks: [KMBookmark]) -> Bool {
        for bm in bookmarks {
            if self.isDescendant(of: bm) {
                return true
            }
        }
        return false
    }
    
    func removeObjectFromChildren(index: Int) {
        children[index].parent = nil
        children.remove(at: index)
    }
}

//MARK: Folder
class KMFolderBookmark: KMBookmark {
    static func folderBookmark(label: String) -> KMFolderBookmark {
        let bookmark = KMFolderBookmark()
        bookmark.label = label
        return bookmark
    }
    
    override var bookmarkType: KMBookmarkType {
        get {
            return .folder
        }
        set {
            
        }
    }
    
    override func initWithProperties(properties: NSDictionary) -> KMBookmark {
        return KMFolderBookmark()
    }
    
    override var icon: NSImage {
        get {
            return NSImage(named: NSImage.folderName)!
        }
        set {
            
        }
    }
    
    override var alternateIcon: NSImage {
        get {
            return NSImage(named: NSImage.multipleDocumentsName)!
        }
        set {
            
        }
    }
}

class KMRootBookmark: KMFolderBookmark {
    static func bookmarkRoot(childrenProperties: NSArray) -> KMRootBookmark {
        let bookmark = KMRootBookmark()
        var childs: [KMBookmark] = []
        for setup in childrenProperties {
            let bookmark = KMBookmark()
            bookmark.documentSetup = setup as! [String : Any]
            childs.append(bookmark)
        }
        bookmark.children = childs
        bookmark.label = NSLocalizedString("Bookmarks Menu", comment: "")
        return bookmark
    }
    
    override var icon: NSImage {
        get {
            var iconImage = NSImage()
            let iconSize = NSSize(width: 16.0, height: 16.0)
            let drawingHandler: (NSRect) -> Bool = { rect in
                NSColor(calibratedWhite: 0.0, alpha: 0.2).set()
                NSBezierPath(rect: NSRect(x: 1.0, y: 1.0, width: 14.0, height: 13.0)).fill()
                NSGraphicsContext.saveGraphicsState()
                let path = NSBezierPath()
                path.move(to: NSPoint(x: 2.0, y: 2.0))
                path.line(to: NSPoint(x: 2.0, y: 15.0))
                path.line(to: NSPoint(x: 7.0, y: 15.0))
                path.line(to: NSPoint(x: 7.0, y: 13.0))
                path.line(to: NSPoint(x: 14.0, y: 13.0))
                path.line(to: NSPoint(x: 14.0, y: 2.0))
                path.close()
                NSColor.white.set()
                NSShadow.setShadowWith(NSColor(calibratedWhite: 0.0, alpha: 0.33333), blurRadius: 2.0, yOffset: -1.0)
                path.fill()
                NSGraphicsContext.restoreGraphicsState()
                NSColor(calibratedRed: 0.162, green: 0.304, blue: 0.755, alpha: 1.0).set()
                NSRect(x: 2.0, y: 13.0, width: 5.0, height: 2.0).fill()
                NSColor(calibratedRed: 0.894, green: 0.396, blue: 0.202, alpha: 1.0).set()
                NSRect(x: 3.0, y: 4.0, width: 1.0, height: 1.0).fill()
                NSRect(x: 3.0, y: 7.0, width: 1.0, height: 1.0).fill()
                NSRect(x: 3.0, y: 10.0, width: 1.0, height: 1.0).fill()
                NSColor(calibratedWhite: 0.6, alpha: 1.0).set()
                NSRect(x: 5.0, y: 4.0, width: 1.0, height: 1.0).fill()
                NSRect(x: 5.0, y: 7.0, width: 1.0, height: 1.0).fill()
                NSRect(x: 5.0, y: 10.0, width: 1.0, height: 1.0).fill()
                for i in 0..<7 {
                    for j in 0..<3 {
                        NSColor(calibratedWhite: 0.45 + 0.1 * CGFloat(Float(arc4random()) / Float(UInt32.max)), alpha: 1.0).set()
                        NSRect(x: 6.0 + CGFloat(i), y: 4.0 + CGFloat(3 * j), width: 1.0, height: 1.0).fill()
                    }
                }
                let gradient = NSGradient(starting: NSColor(calibratedWhite: 0.0, alpha: 0.1), ending: NSColor(calibratedWhite: 0.0, alpha: 0.0))
                gradient?.draw(in: NSRect(x: 2.0, y: 2.0, width: 12.0, height: 11.0), angle: 90.0)
                return true
            }
            iconImage = NSImage(size: iconSize, flipped: false, drawingHandler: drawingHandler)
            
            return iconImage
        }
        set {
            
        }
    }
}

//MARK: Session
class KMSessionBookmark: KMBookmark {
    override var bookmarkType: KMBookmarkType {
        get {
            return .session
        }
        set {
            
        }
    }
    
    static func bookmarkSession(setups: NSArray, label: String) -> KMSessionBookmark {
        let bookmark = KMSessionBookmark()
        var childs: [KMBookmark] = []
        for setup in setups {
            let bookmark = KMBookmark()
            bookmark.documentSetup = setup as! [String : String]
            childs.append(bookmark)
        }
        bookmark.children = childs
        bookmark.label = label
        return bookmark
    }
    
    override func initWithProperties(properties: NSDictionary) -> KMBookmark {
        return KMSessionBookmark()
    }
}

//MARK: Separator
class KMSeparatorBookmark: KMBookmark {
    override var bookmarkType: KMBookmarkType {
        get {
            return .separator
        }
        set {
            
        }
    }
    
    override func initWithProperties(properties: NSDictionary) -> KMBookmark {
        return KMSeparatorBookmark()
    }
}