//
//  TableViewTestController.swift
//  VDSSample
//
//  Created by Matt Bruce on 5/3/23.
//

import Foundation
import UIKit
import VDS
import VDSColorTokens

public typealias TestView = UIView
public typealias TestViewWrapper = (component: TestView, isTrailing: Bool)
protocol Componentable {
    static func getComponent() -> TestViewWrapper
}

public class TableViewTestController: UITableViewController, Initable {

    var components:[TestViewWrapper] = []

    //--------------------------------------------------
    // MARK: - Initializers
    //--------------------------------------------------
    required public init() {
        super.init(nibName: nil, bundle: nil)
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    public override func viewDidLoad() {
        super.viewDidLoad()
        MenuViewController.items.forEach { menuItem in
            if let componentable = menuItem.viewController as? Componentable.Type {
                components.append(componentable.getComponent())
            }
        }
        tableView.register(VDSCell.self, forCellReuseIdentifier: "cell")
        tableView.allowsSelection = false
        tableView.estimatedRowHeight = 100
        tableView.separatorStyle = .none
        tableView.rowHeight = UITableView.automaticDimension
        tableView.reloadData()
    }

    public override func numberOfSections(in tableView: UITableView) -> Int {
        components.count
    }

    public override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        let header =  UIView().with { $0.backgroundColor = VDSColor.paletteGray44 }
        let label = Label().with {
            $0.text = "\(type(of: components[section].component))"
            $0.surface = .dark
            $0.textStyle = .boldTitleSmall
        }
        header.addSubview(label)
        label.pinTrailing(16)
        label.pinLeading(16)
        label.centerYAnchor.constraint(equalTo: header.centerYAnchor).activate()
        return header
    }
    
    public override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        40
    }
    
    public override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        1
    }

    public override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard let cell = tableView.dequeueReusableCell(withIdentifier: "cell") as? VDSCell else { return UITableViewCell() }
        let wrapper = components[indexPath.row]
        cell.component = wrapper.component
        cell.isTrailing = wrapper.isTrailing
        return cell
    }
    
}

public class VDSCell: UITableViewCell, AppleGuidlinesTouchable {
    public var isTrailing: Bool = true
    public var component: TestView? {
        didSet {
            guard let component else { return }
            contentView.addSubview(.makeWrapper(for: component, edgeSpacing: 16, isTrailing: isTrailing))
        }
    }
    
    override open func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
        Self.acceptablyOutsideBounds(point: point, bounds: bounds)
    }
    
    public override var intrinsicContentSize: CGSize {
        guard let component else { return .zero }
        return component.intrinsicContentSize
    }
    
    public override func prepareForReuse() {
        super.prepareForReuse()
        contentView.subviews.forEach { $0.removeFromSuperview() }
    }
    
}