//
//  MenuViewController.swift
//  VDSSample
//
//  Created by Matt Bruce on 8/1/22.
//

import Foundation
import UIKit
import VDS

struct MenuComponent {
    var title: String
    var viewController: UIViewController.Type
}

protocol Initable {
    init()
}

class MenuCell: UITableViewCell {
    var label = Label().with {
        $0.typograpicalStyle = .BodyLarge
    }

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setup()
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    func setup(){
        addSubview(label)
        label.pinToSuperView(.init(top: 0, left: 16, bottom: 0, right: 0))
    }
}

class MenuViewController: UITableViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        overrideUserInterfaceStyle = .light
        tableView.register(MenuCell.self, forCellReuseIdentifier: "cell")
    }
    
    let items: [MenuComponent] = [
        MenuComponent(title: "Badge", viewController: BadgeViewController.self),
        MenuComponent(title: "Button", viewController: ButtonViewController.self),
        MenuComponent(title: "ButtonGroup", viewController: ButtonGroupViewController.self),
        MenuComponent(title: "Checkbox", viewController: CheckboxViewController.self),
        MenuComponent(title: "CheckboxGroup", viewController: CheckboxGroupViewController.self),
        MenuComponent(title: "Label", viewController: LabelViewController.self),
        MenuComponent(title: "RadioBoxGroup", viewController: RadioBoxGroupViewController.self),
        MenuComponent(title: "RadioButtonGroup", viewController: RadioButtonViewController.self),
        MenuComponent(title: "RadioSwatchGroup", viewController: RadioSwatchGroupViewController.self),
        MenuComponent(title: "TextEntryField", viewController: TextEntryFieldViewController.self),
        MenuComponent(title: "TextLink", viewController: TextLinkViewController.self),
        MenuComponent(title: "TextLinkCaret", viewController: TextLinkCaretViewController.self),
        MenuComponent(title: "Toggle", viewController: ToggleViewController.self)
    ]
    
    override func numberOfSections(in tableView: UITableView) -> Int {
        1
    }
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        items.count
    }
    
    override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        50.0
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        guard items.count > indexPath.row,
              let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as? MenuCell
            else { return UITableViewCell() }
        
        let item = items[indexPath.row]
        cell.label.text = item.title
        cell.accessoryType = .disclosureIndicator
        return cell
    }
    
    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        guard items.count > indexPath.row else { return }
        let item = items[indexPath.row]
        if let split = splitViewController {
            if let type = item.viewController as? StoryboardInitable.Type {
                let viewController = type.instantiate()
                viewController.title = item.title
                split.showDetailViewController(viewController, sender: nil)
            } else if let type = item.viewController as? Initable.Type {
                if let viewController = type.init() as? UIViewController {
                    viewController.title = item.title
                    split.showDetailViewController(viewController, sender: nil)
                }
            }
        } else {
            if let type = item.viewController as? StoryboardInitable.Type {
                let viewController = type.instantiate()
                viewController.title = item.title
                self.navigationController?.pushViewController(viewController, animated: true)
            } else if let type = item.viewController as? Initable.Type {
                if let viewController = type.init() as? UIViewController {
                    viewController.title = item.title
                    self.navigationController?.pushViewController(viewController, animated: true)
                }
            }
        }
    }
}