//
//  Stone
//
//  Copyright (c) 2017 linhay - https://github.com/linhay
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

import Foundation
// MARK: - format
public extension String {
    /// format: NSNumber
    var number: NSNumber? { return NumberFormatter().number(from: self) }
    /// format: Int
    var int: Int? { return number?.intValue }
    /// format: Double
    var double: Double? { return number?.doubleValue }
    /// format: Float
    var float: Float? { return number?.floatValue }
    /// format: Bool
    var bool: Bool? {
        if let num = number { return num.boolValue }
        switch self.lowercased() {
        case "1", "true", "yes": return true
        case "0", "false", "no": return false
        default: return nil
        }
    }
    
    /// format: Date
    var date: Date? {
        let selfLowercased = self
            .replacingOccurrences(of: "\n", with: "")
            .replacingOccurrences(of: "\r", with: "")
            .lowercased()
        let formatter = DateFormatter()
        let modes =  ["yyyy-MM-dd HH:mm:ss Z",
                      "yyyy-MM-dd HH:mm:ss.A",
                      "yyyy-MM-dd"]
        for mode in modes {
            formatter.dateFormat = mode
            if let date = formatter.date(from: selfLowercased) {
                return date
            }
        }
        return nil
    }
    
    /// URL
    var url: URL? { return URL(string: self) }
    
    /// get json
    var jsonObject: Any? {
        guard let data = data(using: .utf8) else { return nil }
        return try? JSONSerialization.jsonObject(with: data, options: [.allowFragments])
    }
    
}
