//
//  LoginViewController.swift
//  QuickLocation
//
//  Created based on Lanhu design: 登录-一键登录
//

import UIKit
import SnapKit
import RxSwift
import RxCocoa
import AuthenticationServices
#if !targetEnvironment(simulator)
import GeYanSdk
#endif

class LoginViewController: BaseViewController {

    override var isNavigationBarHidden: Bool { true }
    override var preferredStatusBarStyle: UIStatusBarStyle { .default }
    
    // MARK: - Properties
    fileprivate var rootView: LoginView!
    
    private let viewModel = LoginViewModel()
    private var isAgreed = false
    private var countDownService = CountDownService(countDownTime: 60)
    
    
    
    // MARK: - Lifecycle
    override func loadView() {
        rootView = LoginView(frame: UIScreen.main.bounds)
        view = rootView
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        rootView.agreementTV.delegate = self
        bindViewModel()
        reactiveAction()
    }

    private func reactiveAction() {
        rootView.smsCodeBtn.rx.controlEvent(.touchUpInside).subscribe { [weak self] _ in
            guard let self = self else { return }
            self.requestSmsCodeAPI()
        }.disposed(by: rootView.disposeBag)
    }

    // MARK: - Bindings
    private func bindViewModel() {
        rootView.checkBox.rx.tap
            .subscribe(onNext: { [weak self] in
                self?.isAgreed.toggle()
                self?.rootView.checkBox.isSelected = self?.isAgreed ?? false
            })
            .disposed(by: disposeBag)

        rootView.loginButton.rx.tap
            .subscribe(onNext: { [weak self] in
                guard let self = self else { return }
                
                if !self.isAgreed {
                    DLToast.showError(text: "请先同意用户协议")
                    return
                }
                
                guard let phone = self.rootView.phoneInputTF.text, !phone.isEmpty else {
                    DLToast.showError(text: "请输入手机号码")
                    return
                }
                
                guard let smsCode = self.rootView.smsCodeTF.text, !smsCode.isEmpty else {
                    DLToast.showError(text: "请输入验证码")
                    return
                }
                
                let requestData = ["timestamp": self.viewModel.timestamp,
                                   "phone": phone,
                                   "code": smsCode]
                self.viewModel.loginAction(type: "phone", data: requestData)
            })
            .disposed(by: disposeBag)

        rootView.guestLoginButton.rx.tap
            .subscribe(onNext: { _ in
                AppDelegate.shared.showMainViewController()
            })
            .disposed(by: disposeBag)

        rootView.wechatLoginBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                guard self?.isAgreed == true else {
                    DLToast.showError(text: "请先同意用户协议")
                    return
                }
                self?.viewModel.performWechatLogin()
            })
            .disposed(by: disposeBag)

        rootView.appleLoginBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                guard self?.isAgreed == true else {
                    DLToast.showError(text: "请先同意用户协议")
                    return
                }
                self?.viewModel.performAppleLogin()
            })
            .disposed(by: disposeBag)

        viewModel.onAppleLoginRequest = { [weak self] controller in
            guard let self = self else { return }
            controller.delegate = self
            controller.presentationContextProvider = self
            controller.performRequests()
        }

        rootView.phoneLoginBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                #if !targetEnvironment(simulator)
                if GeYanSdk.getCurrentCarrierCount() == 0 {
                    DLToast.show(text: "请插入SIM卡后重试")
                    return
                }
                
                if GeYanSdk.isPreGettedTokenValidate() { //预登录有效，启动登录授权页
                    let oneTapView = OneTapLoginView(frame: UIScreen.main.bounds)
                    self?.viewModel.performOneTapLogin(from: self!, contentView: oneTapView)
                    return
                }
                
                // 预登录
                GeYanSdk.preGetToken { preDic in
                    guard GeYanSdk.isPreGettedTokenValidate() else {
                        var message = ""
                        if let dict = preDic as? [String: Any] {
                            message = dict["msg"] as? String ?? "获取手机号失败，请使用验证码登录"
                        }
                        DLToast.show(text: message)
                        return
                    }
                    let oneTapView = OneTapLoginView(frame: UIScreen.main.bounds)
                    self?.viewModel.performOneTapLogin(from: self!, contentView: oneTapView)
                }
                #endif
            })
            .disposed(by: disposeBag)

//        viewModel.loginSuccess
//            .subscribe(onNext: { [weak self] in
//                
//            })
//            .disposed(by: disposeBag)
    }
    
    // MARK: - API 验证码
    func requestSmsCodeAPI() {
        DLToast.showLoading()
        SystemService.sendSmsCode(phone: rootView.phoneInputTF.text ?? "").subscribe(onNext: { [weak self] response in
            DLToast.showSuccess(text: "发送成功")
            guard let self = self, let responseData = response.result as? [String : Any] else { return }
            self.startCountDown(self.rootView.smsCodeBtn, self.countDownService)
            if let timestamp = responseData["timestamp"] as? String {
                self.viewModel.timestamp = timestamp
            }
        }, onError: { _ in }).disposed(by: disposeBag)
    }
}

extension LoginViewController: UITextViewDelegate {
    func textView(_ textView: UITextView,
                  shouldInteractWith URL: URL,
                  in characterRange: NSRange,
                  interaction: UITextItemInteraction) -> Bool {
//        if URL.absoluteString == "Carrier", let model = GyContentModel.current(), let link = model.link {
//            AppRouter.push(Route.web, userInfo: ["url": link])
//        }
        if URL.absoluteString == "UserAgreement" {
            AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.userAgreementUrl])
        }
        if URL.absoluteString == "PrivacyPolicy" {
            AppRouter.push(Route.web, userInfo: ["url": URLManager.shared.privacyPolicyUrl])
        }
        return true
    }
    
    func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
        false
    }
    
    private func openURL(_ url: String) {}
}

// MARK: - Apple Sign In
extension LoginViewController: ASAuthorizationControllerDelegate, ASAuthorizationControllerPresentationContextProviding {

    func presentationAnchor(for controller: ASAuthorizationController) -> ASPresentationAnchor {
        view.window ?? UIWindow()
    }

    func authorizationController(controller: ASAuthorizationController,
                                 didCompleteWithAuthorization authorization: ASAuthorization) {
        guard let credential = authorization.credential as? ASAuthorizationAppleIDCredential else { return }

        let userId = credential.user
        let userName: String = {
            if let name = credential.fullName {
                let parts = [name.givenName, name.familyName].compactMap { $0 }
                if !parts.isEmpty { return parts.joined(separator: " ") }
            }
            return ""
        }()
        let identityToken = credential.identityToken.flatMap { String(data: $0, encoding: .utf8) } ?? ""
        let authCode = credential.authorizationCode.flatMap { String(data: $0, encoding: .utf8) } ?? ""

        viewModel.loginAction(type: "apple", data: [
            "user_id": userId,
            "user_name": userName,
            "identify_code": authCode,
            "identify_token": identityToken
        ])
    }

    func authorizationController(controller: ASAuthorizationController,
                                 didCompleteWithError error: Error) {
        NotificationCenter.default.post(name: .resumePopupQueue, object: nil)
        DLToast.showError(text: "Apple 登录失败")
    }
}