//
//  LoginViewModel.swift
//  QuickLocation
//

import Foundation
import RxSwift
import SwiftyUserDefaults
import AuthenticationServices
#if !targetEnvironment(simulator)
import GeYanSdk
#endif

enum LoginSessionHandler {
    private static let disposeBag = DisposeBag()

    static func login(type: String, data: [String: Any]) {
        DLToast.showLoading()
        UserService.login(type: type, data: data)
            .delaySubscription(.seconds(1), scheduler: MainScheduler.instance)
            .retry(1)
            .subscribe(onNext: { response in
                GroupIMService.shared.logout()
                DLToast.dismiss()
                guard let model = response.model else { return }
                NotificationCenter.default.post(name: .invalidatePopupQueue, object: nil)
                Defaults[\.loginToken] = model.token
                DLToast.showSuccess(text: "登录成功") {
                    if let userId = model.uid {
                        MQTTService.shared.updateClientID("smartdrive_\(userId)")
                    }
                    NotificationCenter.default.post(name: .RefreshUserConfigNotification, object: nil)
                    if let nav = AppRouter.shared.navigationController, nav.viewControllers.count > 1 {
                        AppRouter.shared.popOrDismiss()
                    } else {
                        AppDelegate.shared.showMainViewController()
                    }
                }
            }, onError: { error in
                DLToast.dismiss()
                DLToast.showError(text: "登录失败，请重试")
            }).disposed(by: disposeBag)
    }
}

final class LoginViewModel: BaseViewModel {

    /// 验证码接口返回值
    var timestamp: String = ""
    
    let oneClickLoginResult = PublishSubject<Bool>()
    let loginSuccess = PublishSubject<Void>()

    var onAppleLoginRequest: ((ASAuthorizationController) -> Void)?

    #if !targetEnvironment(simulator)
    lazy var gyAuthVM: GyAuthViewModel = {
        let viewModel = GyAuthViewModel()
        viewModel.statusBarStyle = .default
        viewModel.userInterfaceStyle = 0
        viewModel.pullAuthVCStyle = .modal
        viewModel.clickAuthButtonBlock = {
            return true
        }
        return viewModel
    }()
    #endif
    
    /// 登录
    func loginAction(type: String, data: [String : Any]) {
        LoginSessionHandler.login(type: type, data: data)
    }

    func performGuestLogin() {
        loginSuccess.onNext(())
    }

    #if !targetEnvironment(simulator)
    func performOneTapLogin(from vc: UIViewController, contentView: OneTapLoginView) {
        NotificationCenter.default.post(name: .pausePopupQueue, object: nil)
        let subViews: [UIView] = [
            contentView.phoneNumberLabel,
            contentView.carrierLabel,
            contentView.loginButton,
            contentView.checkBox,
            contentView.agreementTV
        ]
        GeYanSdk.oneTapLogin(vc, viewModel: gyAuthVM, contentView: contentView,
                             subViewList: subViews) { [weak self] result in
            guard let dict = result as? [String: Any],
                  dict["code"] as? Int == 30000,
                  let token = dict["token"] as? String else { return }

            let opType: String = {
                switch dict["operatorType"] as? Int {
                case 1: return "CM"
                case 2: return "CU"
                case 3: return "CT"
                default: return ""
                }
            }()

            self?.loginAction(type: "onekey", data: [
                "auth_code": "",
                "access_code": token,
                "operator_type": opType
            ])
        }
    }
    #endif

    func performWechatLogin() {
        NotificationCenter.default.post(name: .pausePopupQueue, object: nil)
        let req = SendAuthReq()
        req.scope = "snsapi_userinfo"
        req.state = "login"
        WXApi.send(req)
    }

    func performAppleLogin() {
        NotificationCenter.default.post(name: .pausePopupQueue, object: nil)
        let provider = ASAuthorizationAppleIDProvider()
        let request = provider.createRequest()
        request.requestedScopes = [.fullName, .email]
        let controller = ASAuthorizationController(authorizationRequests: [request])
        onAppleLoginRequest?(controller)
    }
}