//
//  KMSyncPreferences.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/11/6.
//

import Cocoa

var TeXEditors: [[String : Any]] = []
let NAME_KEY = "name"
var INITIALUSERDEFAULTS_KEY = "InitialUserDefaults"
var TEXEDITORS_KEY = "TeXEditors"
var COMMAND_KEY = "command"
var ARGUMENTS_KEY = "arguments"

class KMSyncPreferences: NSViewController {
    var customTeXEditor = false
    /*
     + (BOOL)getTeXEditorCommand:(NSString **)command arguments:(NSString **)arguments forPreset:(NSString *)name;
     */
    
    @IBOutlet weak var checkButton: NSButton!
    @IBOutlet weak var checkTipLabel: NSTextField!
    
    @IBOutlet weak var pdfTexTitleLabel: NSTextField!
    @IBOutlet weak var presetLabel: NSTextField!
    @IBOutlet weak var commandLabel: NSTextField!
    @IBOutlet weak var argumentsLabel: NSTextField!
    @IBOutlet weak var presetButton: NSPopUpButton!
    @IBOutlet weak var commandTextField: NSTextField!
    @IBOutlet weak var argumentsTextField: NSTextField!
    
    var texEditorLabels: [NSTextField] = []
    var texEditorControls: [NSControl] = []
    
    override var nibName: NSNib.Name? {
        return "SyncPreferences"
    }
    
    override func loadView() {
        super.loadView()
        
        if let initialUserDefaultsURL: URL = Bundle.main.url(forResource: INITIALUSERDEFAULTS_KEY, withExtension: "plist") {
            TeXEditors = (NSDictionary(contentsOf: initialUserDefaultsURL)?.object(forKey: TEXEDITORS_KEY) as? [[String : Any]]) ?? [[:]]
        }
        
        self.texEditorLabels = [self.presetLabel, self.commandLabel, self.argumentsLabel]
        self.texEditorControls = [self.presetButton, self.commandTextField, self.argumentsTextField]
        _ = KMAutoSizeLabelFields(self.texEditorLabels, self.texEditorControls, true)
        
        
        let editorPreset = UserDefaults.standard.string(forKey: SKTeXEditorPresetKey)
        var i = TeXEditors.count
        var idx = -1
        let texEditorPopUpButton = self.presetButton
        let ws = NSWorkspace.shared
        
        while i > 0 {
            i -= 1
            let name = (TeXEditors[i][NAME_KEY] as? String) ?? ""
            let path =  ws.fullPath(forApplication: name)
            
            let image = path != nil ? ws.icon(forFile: path!) : ws.icon(forFileType: NSFileTypeForHFSTypeCode(OSType(kGenericApplicationIcon)))
            texEditorPopUpButton?.insertItem(withTitle: name, at: 0)
            texEditorPopUpButton?.item(at: 0)?.setImageAndSize(image)
            if name == editorPreset {
                idx = i
            }
        }
        
        self.customTeXEditor = idx == -1
        
        if (idx == -1) {
            if let data = texEditorPopUpButton?.lastItem {
                texEditorPopUpButton?.select(data)
            }
        } else {
            texEditorPopUpButton?.selectItem(at: idx)
        }
    }
    
    override var title: String? {
        set {
            super.title = newValue
        }
        get {
            return KMLocalizedString("Sync", "Preference pane label")
        }
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // SKAutoCheckFileUpdate
        // SKTeXEditorPresetKey
        // SKTeXEditorCommandKey
        // SKTeXEditorArgumentsKey
        // Scripting definition file name PDF Reader Pro Edition.sdef
    }
    
    /*
     + (BOOL)getTeXEditorCommand:(NSString **)command arguments:(NSString **)arguments forPreset:(NSString *)name {
         for (NSDictionary *editor in TeXEditors) {
             if ([[editor objectForKey:NAME_KEY] isEqualToString:name]) {
                 if (command) *command = [editor objectForKey:COMMAND_KEY];
                 if (arguments) *arguments = [editor objectForKey:ARGUMENTS_KEY];
                 return YES;
             }
         }
         return NO;
     }
     */
    
    static func getTeXEditorCommand(command: inout String?, arguments: inout String?, forPreset name: String) -> Bool {
        for editor in TeXEditors {
            if let editorName = editor[NAME_KEY] as? String, editorName == name {
                command = editor[COMMAND_KEY] as? String
                arguments = editor[ARGUMENTS_KEY] as? String
                return true
            }
        }
        return false
    }
    
    @IBAction func changeTeXEditorPreset(_ sender: AnyObject) {
        let sudc = NSUserDefaultsController.shared.defaults
        let idx = sender.indexOfSelectedItem()
        if (idx < sender.numberOfItems - 1) {
            let editor = TeXEditors[idx]
            sudc.setValue(sender.titleOfSelectedItem as Any?, forKey: SKTeXEditorPresetKey)
            sudc.setValue(editor[COMMAND_KEY], forKey: SKTeXEditorCommandKey)
            sudc.setValue(editor[ARGUMENTS_KEY], forKey: SKTeXEditorArgumentsKey)
            self.customTeXEditor = false
        } else {
            sudc.setValue("", forKey: SKTeXEditorPresetKey)
            self.customTeXEditor = true
        }
    }
}


extension KMSyncPreferences: KMPreferencePane {
    func defaultsDidRevert() {
        let editorPreset = UserDefaults.standard.string(forKey: SKTeXEditorPresetKey)
        let texEditorPopUpButton = self.presetButton
        if let data = editorPreset?.isEmpty, data {
            if let value = texEditorPopUpButton?.lastItem {
                texEditorPopUpButton?.select(value)
            }
            self.customTeXEditor = true
        } else {
            texEditorPopUpButton?.selectItem(withTitle: editorPreset ?? "")
            self.customTeXEditor = false
        }
    }
}