//
//  Const.swift
//  swift翻译
//
//  Created by zhongyuan on 2018/3/20.
//  Copyright © 2018年 zhongyuan. All rights reserved.
//

import UIKit

/// kScreenWidth
let kScreenWidth = UIScreen.main.bounds.size.width
/// kScreenHeight
let kScreenHeight = UIScreen.main.bounds.size.height

/// 应用程序名称
let app_Name = Bundle.main.infoDictionary!["CFBundleDisplayName"] as! String
/// 系统版本号
let app_Version  = Bundle.main.infoDictionary!["CFBundleShortVersionString"] as! String
/// bundle version
let bundle_Version  = Bundle.main.infoDictionary!["CFBundleVersion"] as! String

// MARK: - 颜色相关
/// Color_Quote_Up
let Color_Quote_Up = UIColor.fromHex(rgbValue: 0xff1313)
/// Color_Quote_Down
let Color_Quote_Down = UIColor.fromHex(rgbValue: 0x00c280)
/// Color_Quote_Normal
let Color_Quote_Normal = UIColor.hex333()
/// 输入框 placeholder text color
var Color_placeholder_text = UIColor.fromHex(rgbValue: 0x83B7FF)

// MARK: - 数组去重方法
extension Array {
    /// 该函数的参数filterCall是一个带返回值的闭包，传入模型T，返回一个E类型
    func handleFilter<E: Equatable>(_ filterCall: (Array.Element) -> E) -> [Array.Element] {
        var temp = [Array.Element]()
        for model in self {
            /// 调用filterCall，获得需要用来判断的属性E
            let identifer = filterCall(model)
            /// 此处利用map函数 来将model类型数组转换成E类型的数组，以此来判断identifer 是否已经存在，如不存在则将model添加进temp
            if !temp.compactMap( { filterCall($0) } ).contains(identifer) {
                temp.append(model)
            }
        }
        return temp
    }
    
    /// 删除指定下标组元素的方法
    ///
    /// - Parameter indexes: 指定下标组
    mutating func removeAtIndexes(indexes: IndexSet) {
        let indexes = indexes.sorted(by: { $0 > $1 })
        for i in indexes {
            self.remove(at: i)
        }
    }
    
    /// 根据元素去重
    /// - Parameter filter:
    func filterDuplicates<E: Equatable>(_ filter: (Element) -> E) -> [Element] {
        var result = [Element]()
        for value in self {
            let key = filter(value)
            if !result.map({filter($0)}).contains(key) {
                result.append(value)
            }
        }
        return result
    }
}

extension Array where Element == (key: String, data: Any) {
    mutating func remove(key: String) {
        if let index = self.firstIndex(where: { $0.key == key }) {
            self.remove(at: index)
        }
    }
    
    /// 可先将原有key的元素删除再追加目标元素的方法
    ///
    /// - Parameters:
    ///   - newElement: 目标元素
    ///   - isOverlay: 是否先删除原有
    mutating func append(newElement: (key: String, data: Any), isOverlay: Bool = true) {
        self.remove(key: newElement.key)
        self.append(newElement)
    }
}

extension NSMutableArray {
    /// remove
    /// - Parameter key: key
    func remove(key: String) {
        if let object = self.first(where: { ($0 as! (key: String, data: Any)).key == key }) {
            self.remove(object)
        }
    }
    
    /// 可先将原有key的元素删除再追加目标元素的方法
    ///
    /// - Parameters:
    ///   - newElement: 目标元素
    ///   - isOverlay: 是否先删除原有
    func append(newElement: (key: String, data: Any), isOverlay: Bool = true) {
        self.remove(key: newElement.key)
        self.add(newElement)
    }
}

/// swift字典转模型
///
/// - Parameters:
///   - type: 模型类
///   - KeyAndValues: 字典
/// - Returns: 模型对象
/// - Throws: 转换失败 && 解码失败
func jsonModel<T>(_ type: T.Type, with KeyAndValues: [String: Any]) -> T? where T: Decodable {
    let jsonObject = try? JSONSerialization.data(withJSONObject: KeyAndValues, options: [])
    return try? JSONDecoder().decode(type, from: jsonObject!)
}

extension NSLayoutConstraint {
    /**
     Change multiplier constraint

     - parameter multiplier: CGFloat
     - returns: NSLayoutConstraint
    */
    func setMultiplier(multiplier: CGFloat) -> NSLayoutConstraint {
        
        NSLayoutConstraint.deactivate([self])
        
        let newConstraint = NSLayoutConstraint(
            item: firstItem!,
            attribute: firstAttribute,
            relatedBy: relation,
            toItem: secondItem,
            attribute: secondAttribute,
            multiplier: multiplier,
            constant: self.constant)
        newConstraint.priority = priority
        newConstraint.shouldBeArchived = self.shouldBeArchived
        newConstraint.identifier = self.identifier

        NSLayoutConstraint.activate([newConstraint])
        return newConstraint
    }
}

extension Int {
    /// 数字专中文
    /// - Returns: String
    func intIntoString() -> String {
        let formatter = NumberFormatter()
        formatter.numberStyle = NumberFormatter.Style(rawValue: UInt(CFNumberFormatterRoundingMode.roundHalfDown.rawValue))!
        let string: String = formatter.string(from: NSNumber(value: self))!
        return string
    }
}

extension String {
    /// 判断是否数字的方法
    ///
    /// - Returns: 判断是否数字
    func isFloatNumber() -> Bool {
        let rule = "^(-?\\d+)(\\.\\d+)?$"
        let pred = NSPredicate(format:"SELF MATCHES %@", rule)
        let isMatch = pred.evaluate(with: self)
        return isMatch
    }
    
    /// Create `Data` from hexadecimal string representation
    ///
    /// This takes a hexadecimal representation and creates a `Data` object. Note, if the string has any spaces or non-hex characters (e.g. starts with '<' and with a '>'), those are ignored and only hex characters are processed.
    ///
    /// - returns: Data represented by this hexadecimal string.
    func hexadecimal() -> Data? {
        var data = Data(capacity: self.count / 2)

        let regex = try! NSRegularExpression(pattern: "[0-9a-f]{1,2}", options: .caseInsensitive)
        regex.enumerateMatches(in: self, range: NSMakeRange(0, utf16.count)) { match, flags, stop in
            let byteString = (self as NSString).substring(with: match!.range)
            var num = UInt8(byteString, radix: 16)!
            data.append(&num, count: 1)
        }

        guard data.count > 0 else { return nil }

        return data
    }
    
    /// 获取UrlString
    /// - Returns: String
    func getUrlString() -> String {
        return self.replacingOccurrences(of: "./uploadFile", with: MTP2BusinessCore.getUploadUrl()+"/uploadFile")
    }
}