//
//  KMCommonDefine.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/3/28.
//

import Foundation

/*  KMCommonDefine [共用的定义] 
 ** 用于定义一些共用的函数、共用的通知名称、其他
 */

// MARK: - 共用的函数

public func KMPrint(_ items: Any..., separator: String = " ", terminator: String = "\n", beep: Bool = false) {
#if DEBUG
    print(items, separator: separator, terminator: terminator)
#endif
    if beep {
        NSSound.beep()
    }
}

public func km_synchronized<T>(_ lock: AnyObject, _ body: () throws -> T) rethrows -> T {
    objc_sync_enter(lock)
    defer { objc_sync_exit(lock) }
    return try body()
}

// MARK: - 共用的通知名称

// MARK: - 共用的Block

typealias KMItemClickBlock<T> = (_ item: T?, _ index: Int)->()
typealias KMCommonClickBlock = (_ index: Int, _ params: Any...)->()
typealias KMCommonBlock = (_ params: Any...)->()
typealias KMEmptyBlock = ()->Void

typealias KMValueDidChangeBlock = (_ value: Any?, _ change: [NSKeyValueChangeKey : Any]?)->()
typealias KMResultBlock = (_ result: KMResult?, _ params: Any...)->Void

// MARK: - 其他

let kKMLocalForDraggedTypes = NSPasteboard.PasteboardType(rawValue: "KMLocalForDraggedTypes")

let kKMMainMenuAccountRefreshItemTag = 16

let KMSelectorCopy = NSSelectorFromString("copy:")

let KMNormalBlankSize = NSMakeSize(595, 842)

let kControlString  = "⌃"
let kCommandString  = "⌘"
let kOptionString   = "⌥"
let kShiftString    = "⇧"

let kHTTPSPrefix = "https://"
let kHTTPPrefix = "http://"
let kFTPPrefix = "ftp://"
let kEmailPrefix = "mailto:"

let kWindowFrameKey                     = "windowFrame"
let kObjectKey                          = "kObject"

// NSColorPanel
let kColorPanel = NSColorPanel.shared

public func KMColorPanelCloseIfNeed() {
    if NSColorPanel.sharedColorPanelExists {
        kColorPanel.setTarget(nil)
        kColorPanel.setAction(nil)
        
        kColorPanel.orderOut(nil)
        kColorPanel.setIsVisible(false)
    }
}

public func KMValidateEmail(email: String) -> Bool {
    let regex = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"
    let pred = NSPredicate(format: "SELF MATCHES %@", regex)
    return pred.evaluate(with: email)
}

public func KMMainThreadExecute(_ execute: @escaping (()->Void)) {
    if Thread.isMainThread {
        execute()
    } else {
        DispatchQueue.main.async(execute: execute)
    }
}

public func KMFormatNSNumber(_ number: NSNumber, to n: Int) -> String? {
    let formatter = NumberFormatter()
    formatter.minimumIntegerDigits = 1
    formatter.maximumIntegerDigits = 20 // or however many digits you need
    formatter.minimumFractionDigits = n
    formatter.maximumFractionDigits = n
    return formatter.string(from: number)
}

// ColumnID

let kPageColumnId = NSUserInterfaceItemIdentifier(rawValue: "page")
let kLabelColumnId = NSUserInterfaceItemIdentifier(rawValue: "label")

let kResultsColumnId = NSUserInterfaceItemIdentifier(rawValue: "results")

// MARK: - 特定的Block

typealias KMBatchActionBlock = (_ controller: NSWindowController, _ files: [KMFileAttribute]) -> Void

// MARK: - KM & KMProtocol

public struct KM<Base> {
    public let base: Base
    
    init(_ base: Base) {
        self.base = base
    }
}

// 凡是遵守了 KMProtocol 协议的类型就都获取了 km 属性
// km 的类型是 KM， KM的关联类型(泛型)就是他自己

public protocol KMProtocol {}
extension KMProtocol {
    
    public var km: KM<Self> {
        return KM(self)
    }
    
    public static var km: KM<Self>.Type {
        return KM.self
    }
}

// 所有 NSObject 的子类都默认遵循了 KMProtocol

extension NSObject: KMProtocol {}