//
//  NavigationItemModelProtocol.swift
//  MVMCoreUI
//
//  Created by Scott Pfeil on 3/12/20.
//  Copyright © 2020 Verizon Wireless. All rights reserved.
//

import Foundation

public protocol NavigationItemModelProtocol {
    var title: String? { get set }
    var titleView: MoleculeModelProtocol? { get set }
    var hidden: Bool { get set }
    var backgroundColor: Color? { get set }
    var transparent: Bool { get set }
    var tintColor: Color { get set }
    var line: LineModel? { get set }
    var systemBackButton: Bool { get set }
    var showLeftPanelButton: Bool? { get set }
    var showRightPanelButton: Bool? { get set }
    var additionalLeftItems: [NavigationItemButtonModel]? { get set }
    var additionalRightItems: [NavigationItemButtonModel]? { get set }
}

public class NavigationItemButtonModel: Codable {
    var imageName: String
    var action: ActionModelProtocol
    
    public init(with imageName: String, action: ActionModelProtocol) {
        self.imageName = imageName
        self.action = action
    }
    
    private enum CodingKeys: String, CodingKey {
        case imageName
        case action
    }
    
    required public init(from decoder: Decoder) throws {
        let typeContainer = try decoder.container(keyedBy: CodingKeys.self)
        imageName = try typeContainer.decode(String.self, forKey: .imageName)
        action = try typeContainer.decodeModel(codingKey: .action)
    }
    
    open func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encode(imageName, forKey: .imageName)
        try container.encodeModel(action, forKey: .action)
    }
}

public class NavigationItemModel: NavigationItemModelProtocol, MoleculeModelProtocol {
    public class var identifier: String {
        return "navigationItem"
    }
    
    public var title: String?
    public var titleView: MoleculeModelProtocol?
    public var hidden: Bool
    public var backgroundColor: Color?
    public var transparent: Bool
    public var tintColor: Color
    public var line: LineModel?
    public var systemBackButton = false
    public var showLeftPanelButton: Bool?
    public var showRightPanelButton: Bool?
    public var additionalLeftItems: [NavigationItemButtonModel]?
    public var additionalRightItems: [NavigationItemButtonModel]?
    
    init() {
        hidden = false
        transparent = false
        backgroundColor = Color(uiColor: .white)
        tintColor = Color(uiColor: .black)
        line = LineModel(type: .standard)
    }
    
    private enum CodingKeys: String, CodingKey {
        case title
        case titleView
        case hidden
        case backgroundColor
        case transparent
        case tintColor
        case line
        case systemBackButton
        case showLeftPanelButton
        case showRightPanelButton
        case additionalLeftItems
        case additionalRightItems
    }

    required public init(from decoder: Decoder) throws {
        let typeContainer = try decoder.container(keyedBy: CodingKeys.self)
        title = try typeContainer.decodeIfPresent(String.self, forKey: .title)
        titleView = try typeContainer.decodeModelIfPresent(codingKey: .titleView)
        hidden = try typeContainer.decodeIfPresent(Bool.self, forKey: .hidden) ?? false
        backgroundColor = try typeContainer.decodeIfPresent(Color.self, forKey: .backgroundColor) ?? Color(uiColor: .white)
        transparent = try typeContainer.decodeIfPresent(Bool.self, forKey: .transparent) ?? false
        tintColor = try typeContainer.decodeIfPresent(Color.self, forKey: .tintColor) ?? Color(uiColor: .black)
        line = try typeContainer.decodeIfPresent(LineModel.self, forKey: .line)
        systemBackButton = try typeContainer.decodeIfPresent(Bool.self, forKey: .systemBackButton) ?? false
        showLeftPanelButton = try typeContainer.decodeIfPresent(Bool.self, forKey: .showLeftPanelButton)
        showRightPanelButton = try typeContainer.decodeIfPresent(Bool.self, forKey: .showRightPanelButton)
        additionalLeftItems = try typeContainer.decodeIfPresent([NavigationItemButtonModel].self, forKey: .additionalLeftItems)
        additionalRightItems = try typeContainer.decodeIfPresent([NavigationItemButtonModel].self, forKey: .additionalRightItems)
    }
              
    open func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encodeIfPresent(title, forKey: .title)
        try container.encodeModelIfPresent(titleView, forKey: .titleView)
        try container.encode(hidden, forKey: .hidden)
        try container.encode(backgroundColor, forKey: .backgroundColor)
        try container.encode(transparent, forKey: .transparent)
        try container.encode(tintColor, forKey: .tintColor)
        try container.encodeIfPresent(line, forKey: .line)
        try container.encode(systemBackButton, forKey: .systemBackButton)
        try container.encode(showLeftPanelButton, forKey: .showLeftPanelButton)
        try container.encode(showRightPanelButton, forKey: .showRightPanelButton)
        try container.encodeIfPresent(additionalLeftItems, forKey: .additionalLeftItems)
        try container.encodeIfPresent(additionalRightItems, forKey: .additionalRightItems)
    }
}