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

import Foundation


open class TextViewModel: MoleculeModelProtocol {
    //--------------------------------------------------
    // MARK: - Properties
    //--------------------------------------------------
    
    public static var identifier: String = "textView"
    public var backgroundColor: Color?
    public var text: String = ""
    public var accessibilityText: String?
    public var textColor: Color = Color(uiColor: .mvmBlack)
    public var fontStyle: LabelModel.FontStyle?
    public var textAlignment: NSTextAlignment = .left
    public var height: CGFloat?
    public var placeholder: String = ""
    public var placeholderFont: LabelModel.FontStyle = LabelModel.FontStyle.RegularMicro
    public var isEditable: Bool = true
    
    //--------------------------------------------------
    // MARK: - Keys
    //--------------------------------------------------
    
    private enum CodingKeys: String, CodingKey {
        case moleculeName
        case text
        case accessibilityText
        case textColor
        case backgroundColor
        case fontStyle
        case textAlignment
        case attributes
        case height
        case placeholder
        case placeholderFont
        case isEditable
    }
    
    //--------------------------------------------------
    // MARK: - Initializer
    //--------------------------------------------------
    
    public init(text: String) {
        self.text = text
    }
    
    //--------------------------------------------------
    // MARK: - Codec
    //--------------------------------------------------
    
    required public init(from decoder: Decoder) throws {
        let typeContainer = try decoder.container(keyedBy: CodingKeys.self)
        
        if let text = try typeContainer.decodeIfPresent(String.self, forKey: .text) {
            self.text = text
        }
        
        if let placeholder = try typeContainer.decodeIfPresent(String.self, forKey: .placeholder) {
            self.placeholder = placeholder
        }
        
        if let placeholderFont = try typeContainer.decodeIfPresent(String.self, forKey: .placeholderFont),
            let font = LabelModel.FontStyle(rawValue: placeholderFont) {
            self.placeholderFont = font
        }
        
        if let textAlignment = try typeContainer.decodeIfPresent(NSTextAlignment.self, forKey: .textAlignment) {
            self.textAlignment = textAlignment
        }
        
        if let textColor = try typeContainer.decodeIfPresent(Color.self, forKey: .textColor) {
            self.textColor = textColor
        }
        
        if let isEditable = try typeContainer.decodeIfPresent(Bool.self, forKey: .isEditable) {
            self.isEditable = isEditable
        }
        
        accessibilityText = try typeContainer.decodeIfPresent(String.self, forKey: .accessibilityText)
        backgroundColor = try typeContainer.decodeIfPresent(Color.self, forKey: .backgroundColor)
        fontStyle = try typeContainer.decodeIfPresent(LabelModel.FontStyle.self, forKey: .fontStyle)
        height = try typeContainer.decodeIfPresent(CGFloat.self, forKey: .height)
    }
    
    public func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encodeIfPresent(moleculeName, forKey: .moleculeName)
        try container.encode(text, forKey: .text)
        try container.encode(placeholder, forKey: .placeholder)
        try container.encode(placeholderFont, forKey: .placeholderFont)
        try container.encodeIfPresent(accessibilityText, forKey: .accessibilityText)
        try container.encodeIfPresent(textColor, forKey: .textColor)
        try container.encodeIfPresent(backgroundColor, forKey: .backgroundColor)
        try container.encodeIfPresent(fontStyle, forKey: .fontStyle)
        try container.encode(textAlignment, forKey: .textAlignment)
        try container.encodeIfPresent(height, forKey: .height)
        try container.encode(isEditable, forKey: .isEditable)
    }
}