//
//  AddWebFeedLocationViewController.swift
//  NetNewsWire-iOS
//
//  Created by Maurice Parker on 11/16/19.
//  Copyright © 2019 Ranchero Software. All rights reserved.
//

import UIKit
import RSCore
import Account

protocol AddWebFeedFolderViewControllerDelegate {
	func didSelect(container: Container)
}

class AddWebFeedFolderViewController: UITableViewController {
	
	var delegate: AddWebFeedFolderViewControllerDelegate?
	var initialContainer: Container?
	
	var containers = [Container]()

    override func viewDidLoad() {
        super.viewDidLoad()
		
		for account in AccountManager.shared.sortedActiveAccounts {
			containers.append(account)
			if let sortedFolders = account.sortedFolders {
				containers.append(contentsOf: sortedFolders)
			}
		}
    }

    // MARK: - Table view data source

    override func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
		return containers.count
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
		let container = containers[indexPath.row]
		let cell: AddWebFeedFolderTableViewCell = {
			if container is Account {
				return tableView.dequeueReusableCell(withIdentifier: "AccountCell", for: indexPath) as! AddWebFeedFolderTableViewCell
			} else {
				return tableView.dequeueReusableCell(withIdentifier: "FolderCell", for: indexPath) as! AddWebFeedFolderTableViewCell
			}
		}()
		
		if let smallIconProvider = container as? SmallIconProvider {
			cell.icon?.image = smallIconProvider.smallIcon?.image
		}
		
		if let displayNameProvider = container as? DisplayNameProvider {
			cell.label?.text = displayNameProvider.nameForDisplay
		}
		
		if let compContainer = initialContainer, container === compContainer {
			cell.accessoryType = .checkmark
		}
		
        return cell
    }

	override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
		let cell = tableView.cellForRow(at: indexPath)
		cell?.accessoryType = .checkmark
		
		delegate?.didSelect(container: containers[indexPath.row])
		navigationController?.popViewController(animated: true)
	}
	
}