//
//  Line.swift
//  VDS
//
//  Created by Nadigadda, Sumanth on 24/03/23.
//

import Foundation
import UIKit
import VDSColorTokens

@objc(VDSLine)
open class Line: View {
    
    //--------------------------------------------------
    // MARK: - Enums
    //--------------------------------------------------
    public enum Style: String, CaseIterable {
        case primary, secondary
    }
    
    public enum Orientation: String, CaseIterable {
        case horizontal, vertical
    }
    
    //--------------------------------------------------
    // MARK: - Public Properties
    //--------------------------------------------------
    open var style: Style = .primary { didSet { setNeedsUpdate() } }
    open var orientation: Orientation = .horizontal { didSet { setNeedsUpdate() } }

    //--------------------------------------------------
    // MARK: - Configuration
    //--------------------------------------------------
    open var lineViewColorConfiguration: AnyColorable = {
        let config = KeyedColorConfiguration<Line, Style>(keyPath: \.style)
        config.setSurfaceColors(VDSColor.elementsPrimaryOnlight, VDSColor.elementsPrimaryOndark, forKey: .primary)
        config.setSurfaceColors(VDSColor.elementsLowcontrastOnlight, VDSColor.elementsLowcontrastOndark, forKey: .secondary)
        return config.eraseToAnyColorable()
    }()
    
    //--------------------------------------------------
    // MARK: - Overrides
    //--------------------------------------------------
    
    open override var intrinsicContentSize: CGSize {
        if orientation == .vertical {
            return .init(width: 1, height: bounds.height)
        } else {
            return .init(width: bounds.width, height: 1)
        }
    }
    
    /// Resets to default settings.
    open override func reset() {
        super.reset()
        style = .primary
        orientation = .horizontal
    }
    
    open override func setup() {
        super.setup()
    }
    
    /// Function used to make changes to the View based off a change events or from local properties.
    open override func updateView() {
        super.updateView()

        backgroundColor = lineViewColorConfiguration.getColor(self)

        invalidateIntrinsicContentSize()
    }
    
}