//
//  AboutVC.swift
//  QuickLocation
//

import UIKit
import RxSwift
import RxCocoa

final class AboutVC: BaseViewController {

    private var rootView: AboutView!
    private var logoTapCount = 0
    private var logoTapResetWork: DispatchWorkItem?

    override func loadView() {
        rootView = AboutView(frame: UIScreen.main.bounds)
        view = rootView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        bind()
    }

    private func bind() {
        rootView.navView.onBackTapped = { [weak self] in
            self?.navigationController?.popViewController(animated: true)
        }

        let logoTap = UITapGestureRecognizer(target: self, action: #selector(handleLogoTap))
        rootView.logoImage.addGestureRecognizer(logoTap)

        rootView.feedbackBtn.rx.controlEvent(.touchUpInside)
            .subscribe(onNext: { _ in
                AppRouter.push(Route.feedback)
            })
            .disposed(by: disposeBag)

        rootView.rateBtn.rx.controlEvent(.touchUpInside)
            .subscribe(onNext: { _ in
                Self.openAppStoreReview()
            })
            .disposed(by: disposeBag)

        rootView.agreementBtn.rx.controlEvent(.touchUpInside)
            .subscribe(onNext: { _ in
                AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.userAgreementUrl])
            })
            .disposed(by: disposeBag)

        rootView.privacyBtn.rx.controlEvent(.touchUpInside)
            .subscribe(onNext: { _ in
                AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.privacyPolicyUrl])
            })
            .disposed(by: disposeBag)

        rootView.kidsPrivacyBtn.rx.controlEvent(.touchUpInside)
            .subscribe(onNext: { _ in
                AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.kidsPrivacyUrl])
            })
            .disposed(by: disposeBag)
    }

    @objc private func handleLogoTap() {
#if DEBUG || AdHoc
        logoTapResetWork?.cancel()
        logoTapCount += 1
        if logoTapCount >= 5 {
            logoTapCount = 0
            showServerSwitchAlert()
            return
        }
        let work = DispatchWorkItem { [weak self] in
            self?.logoTapCount = 0
        }
        logoTapResetWork = work
        DispatchQueue.main.asyncAfter(deadline: .now() + 2, execute: work)
#endif
    }

    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 static func openAppStoreReview() {
        // Bundle 未配置 appId 时给提示；有则跳转写评价页
        let appId = AppSettings.shared.appId
        guard !appId.isEmpty,
              let url = URL(string: "itms-apps://itunes.apple.com/app/id\(appId)?action=write-review") else {
            DLToast.show(text: "暂无法打开评价")
            return
        }
        UIApplication.shared.open(url)
    }
}