//
//  LaunchViewController.swift
//  SHECommunity
//
//  Created by Lin on 2025/1/3.
//

import UIKit
import RxSwift
import SwiftyUserDefaults
import RxCocoa

class LaunchViewController: BaseViewController {

    private let showVersion = 1
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        view.backgroundColor = .white
        setupLayout()
        getUserConfig()
    }
    
    /// 获取用户配置
    func getUserConfig() {
        SystemService.userConfig().subscribe(onNext: { response in
            guard let model = response.model else { return }
            MQTTService.shared.connect()
            Defaults[\.loginToken] = model.token
            RelationStore.shared.preload()
            if #available(iOS 16.0, *) {
                AppRestrictManager.shared.checkScreenTimePermissionAfterLogin()
            }

            AppContextManager.shared.systemConfig = model.config

            if let upgrade = AppContextManager.shared.systemConfig?.versionUpgradeModel {
                self.showVersionUpgrade(upgrade, model: model)
                return
            }
            self.continueAfterConfig(model: model)
        }, onError: { [weak self] (error) in
            DLAlert.show(title: error.localizedDescription,
                         defaultTitle: "重试") { [weak self] in
                guard let this = self else { return }
//                #if DEBUG || AdHoc
//                this.showServerSwitchAlert()
//                #else
                this.getUserConfig()
//                #endif
            }
        }).disposed(by: disposeBag)
    }
    
    private func showServerSwitchAlert() {
        let current = URLManager.shared.apiServerURL
        let alert = UIAlertController(
            title: "切换接口",
            message: "当前：\(current)",
            preferredStyle: .alert
        )
        alert.addTextField { field in
            field.placeholder = "自定义接口地址"
            field.text = current
            field.keyboardType = .URL
            field.autocorrectionType = .no
            field.autocapitalizationType = .none
        }
        for preset in URLManager.presetServers {
            alert.addAction(UIAlertAction(title: preset.title, style: .default) { [weak self] _ in
                self?.applyServer(url: preset.url, env: preset.env)
            })
        }
        alert.addAction(UIAlertAction(title: "确定", style: .default) { [weak self] _ in
            let typed = alert.textFields?.first?.text ?? ""
            self?.applyServer(url: typed, env: nil)
        })
        alert.addAction(UIAlertAction(title: "取消", style: .cancel))
        present(alert, animated: true)
    }

    private func applyServer(url: String, env: Int?) {
        let normalized = URLManager.normalizedServerURL(url)
        guard !normalized.isEmpty else {
            DLToast.show(text: "请输入接口地址")
            return
        }
        URLManager.shared.switchServer(url: normalized, env: env)
        AppDelegate.shared.showMainViewController()
    }
    
    private func continueAfterConfig(model: UserConfigModel) {
        AppDelegate.shared.showMainViewController()
    }
    
    private func showVersionUpgrade(_ upgrade: VersionUpgradeModel, model: UserConfigModel) {
        showVersionUpgradePop(upgrade: upgrade) { [weak self] in
            self?.continueAfterConfig(model: model)
        }
    }
    
    // MARK: - Init
    init() {
        super.init(nibName: nil, bundle: nil)
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    lazy var launchLogoView: UIImageView = {
        let view = UIImageView()
        view.image = UIImage(named: "Launch/logo")
        view.backgroundColor = .clear
        view.contentMode = .scaleAspectFill
        return view
    }()
    
    lazy var tipsImgView: UIImageView = {
        let view = UIImageView()
        view.image = UIImage(named: "Launch/slogan")
        view.backgroundColor = .clear
        view.contentMode = .scaleAspectFill
        return view
    }()
}

extension LaunchViewController {
    private func setupLayout() {
        view.addSubview(launchLogoView)
        view.addSubview(tipsImgView)
        
        launchLogoView.layoutChain
            .centerX()
            .centerY()
        
        tipsImgView.layoutChain
            .centerX()
            .bottom(kSafeBottomMargin + 50)
    }
}