//
//  TextViewModel.swift
//  MVMCoreUI
//
//  Created by Kevin Christiano on 4/2/20.
//  Copyright © 2020 Verizon Wireless. All rights reserved.
//

import Foundation


open class TextViewModel: TextEntryFieldModel {
    //--------------------------------------------------
    // MARK: - Properties
    //--------------------------------------------------
    
    public override class var identifier: String {
        return "textView"
    }
    
    public var accessibilityText: String?
    public var fontStyle: Styler.Font = Styler.Font.RegularBodySmall
    public var textAlignment: NSTextAlignment = .left
    public var height: CGFloat?
    public var placeholderTextColor: Color = Color(uiColor: .mvmCoolGray3)
    public var placeholderFontStyle: Styler.Font = Styler.Font.RegularMicro
    public var showsPlaceholder: Bool = false
    public var hideBorders: Bool = false
    public var isEditable: Bool = true
    
    //--------------------------------------------------
    // MARK: - Keys
    //--------------------------------------------------
    
    private enum CodingKeys: String, CodingKey {
        case text
        case accessibilityText
        case fontStyle
        case textAlignment
        case height
        case hideBorders
        case placeholderFontStyle
        case placeholderTextColor
        case isEditable = "editable"
    }
    
    //--------------------------------------------------
    // MARK: - Codec
    //--------------------------------------------------
    
    required public init(from decoder: Decoder) throws {
        try super.init(from: decoder)
        let typeContainer = try decoder.container(keyedBy: CodingKeys.self)
        
        if let placeholderFontStyle = try typeContainer.decodeIfPresent(Styler.Font.self, forKey: .placeholderFontStyle) {
            self.placeholderFontStyle = placeholderFontStyle
        }
        
        if let placeholderTextColor = try typeContainer.decodeIfPresent(Color.self, forKey: .placeholderTextColor) {
            self.placeholderTextColor = placeholderTextColor
        }
        
        if let textAlignment = try typeContainer.decodeIfPresent(NSTextAlignment.self, forKey: .textAlignment) {
            self.textAlignment = textAlignment
        }
        
        if let hideBorders = try typeContainer.decodeIfPresent(Bool.self, forKey: .hideBorders) {
            self.hideBorders = hideBorders
        }
        
        if let isEditable = try typeContainer.decodeIfPresent(Bool.self, forKey: .isEditable) {
            self.isEditable = isEditable
        }
        
        if let fontStyle = try typeContainer.decodeIfPresent(Styler.Font.self, forKey: .fontStyle) {
            self.fontStyle = fontStyle
        }
        
        accessibilityText = try typeContainer.decodeIfPresent(String.self, forKey: .accessibilityText)
        height = try typeContainer.decodeIfPresent(CGFloat.self, forKey: .height)
    }
    
    public override func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encodeIfPresent(accessibilityText, forKey: .accessibilityText)
        try container.encodeIfPresent(fontStyle, forKey: .fontStyle)
        try container.encodeIfPresent(height, forKey: .height)
        try container.encodeIfPresent(hideBorders, forKey: .hideBorders)
        try container.encode(text, forKey: .text)
        try container.encode(placeholderFontStyle, forKey: .placeholderFontStyle)
        try container.encode(placeholderTextColor, forKey: .placeholderTextColor)
        try container.encode(textAlignment, forKey: .textAlignment)
        try container.encode(isEditable, forKey: .isEditable)
    }
}