//
//  ScenicSelectionViewController.swift
//  suixinkan
//

import SnapKit
import UIKit

/// 景区选择页，使用 role-permission 返回的景区列表。
final class ScenicSelectionViewController: BaseViewController {

    var onSelected: (() -> Void)?

    private let scenicList: [ScenicInfo]
    private let tableView = UITableView(frame: .zero, style: .insetGrouped)

    init(scenicList: [ScenicInfo]) {
        self.scenicList = scenicList
        super.init(nibName: nil, bundle: nil)
    }

    @available(*, unavailable)
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    override func setupNavigationBar() {
        title = "选择景区"
        navigationItem.leftBarButtonItem = UIBarButtonItem(
            barButtonSystemItem: .close,
            target: self,
            action: #selector(closeTapped)
        )
    }

    override func setupUI() {
        view.backgroundColor = UIColor(hex: 0xF7FAFF)
        tableView.dataSource = self
        tableView.delegate = self
        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
        view.addSubview(tableView)
    }

    override func setupConstraints() {
        tableView.snp.makeConstraints { make in
            make.edges.equalTo(view.safeAreaLayoutGuide)
        }
    }

    @objc private func closeTapped() {
        dismiss(animated: true)
    }
}

extension ScenicSelectionViewController: UITableViewDataSource, UITableViewDelegate {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        scenicList.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
        var config = cell.defaultContentConfiguration()
        config.text = scenicList[indexPath.row].name
        cell.contentConfiguration = config
        cell.accessoryType = scenicList[indexPath.row].id == AppStore.shared.currentScenicId ? .checkmark : .none
        return cell
    }

    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
        let scenic = scenicList[indexPath.row]
        AppStore.shared.currentScenicId = scenic.id
        AppStore.shared.currentScenicName = scenic.name
        NotificationCenter.default.post(
            name: NotificationName.scenicDidChange,
            object: nil,
            userInfo: [
                NotificationUserInfoKey.scenicId: scenic.id,
                NotificationUserInfoKey.scenicName: scenic.name,
            ]
        )
        onSelected?()
        dismiss(animated: true)
    }
}