import {
  Component,
  OnInit,
  OnDestroy,
  ViewChild,
  HostListener,
  ChangeDetectorRef,
  AfterViewInit,
  Input
} from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { Router } from '@angular/router';
import {ModalController, NavController, ToastController} from '@ionic/angular';
import { MineService } from '../mine.service';
import {
  SlidePoint,
  SlideRef
} from "go-captcha-angular";
import {CaptchaModalComponent} from "../component/captcha-modal/captcha-modal.component";

@Component({
  selector: 'app-login',
  templateUrl: './login.page.html',
  styleUrls: ['./login.page.scss'],
  standalone: false,
})
export class LoginPage implements OnInit, OnDestroy,AfterViewInit {
  loginForm: FormGroup;
  loginType: 'sms' | 'password' = 'sms';
  canSendSms = true;
  smsButtonText = '发送验证码';
  slideConfigValid:SlidePoint = {x:0,y:9}
  private countdown = 60;
  private timer: any;
  private verifyToken: string | null = null;
  private returnUrl: string | null = null;

  constructor(
    private fb: FormBuilder,
    private mineService: MineService,
    private router: Router,
    private navCtrl: NavController,
    private cdr:ChangeDetectorRef,
    private toastCtrl: ToastController,
    private modalCtrl: ModalController,
  ) {
    this.loginForm = this.fb.group({
      phone: ['', [Validators.required, Validators.pattern(/^1\d{10}$/)]],
      password: [''],
      smsCode: ['']
    });

    // 获取返回路径
    const navigation = this.router.getCurrentNavigation();
    if (navigation?.extras?.state?.['returnUrl']) {
      this.returnUrl = navigation.extras.state['returnUrl'];
    }
  }

  ngOnInit() {
    this.createForm();
  }
  ngAfterViewInit() {
  }

  ngOnDestroy() {
    this.stopCountdown() ;
  }

  private createForm() {
    // 根据登录类型动态设置验证器
    this.loginForm.get('password')?.setValidators(
      this.loginType === 'password' ? [Validators.required, Validators.minLength(6)] : []
    );
    this.loginForm.get('smsCode')?.setValidators(
      this.loginType === 'sms' ? [Validators.required, Validators.pattern(/^\d{6}$/)] : []
    );
  }

  // 显示滑动验证码
  showSlideVerify(type: 'sms' | 'password') {
    const phone = this.loginForm.get('phone')?.value;

    if (!phone || !this.loginForm.get('phone')?.valid) {
      this.showToast('请输入正确的手机号');
      return;
    }

    // 调用滑动验证服务
    this.mineService.getSlideCaptcha(phone).subscribe( (res) => {
      this.slideConfigValid.x = res.thumbX;
      this.slideConfigValid.y = res.thumbY;
      res.thumbX = 0
      const modal =  this.modalCtrl.create({
        component: CaptchaModalComponent,
        componentProps: {
          captchaData: res,
          x: this.slideConfigValid.x
        },
      })
      modal.catch((res)=>{
      })
      modal.then((res)=>{
        res.present()
        res.onDidDismiss().then((res)=>{
          if(res.data < this.slideConfigValid.x+5 && res.data >this.slideConfigValid.x-5 ) {
            this.sendSmsCode()
          }
        })
      })
    });
  }

  // 发送短信验证码
  sendSmsCode() {
    if (!this.canSendSms) return;

    const phone = this.loginForm.get('phone')?.value;

    if (!phone || !this.loginForm.get('phone')?.valid) {
      this.showToast('请输入正确的手机号');
      return;
    }

    // 直接发送短信验证码
    this.mineService.sendSmsCaptcha(phone, '').subscribe({
      next: (response) => {
        this.startCountdown();
        this.showToast('验证码已发送');
      },
      error: (error) => {
        let errorMessage = '发送失败，请重试';

        if (error && error.error) {
          if (typeof error.error === 'string') {
            errorMessage = error.error;
          } else if (typeof error.error === 'object' && error.error.error) {
            errorMessage = error.error.error;
          }
        }

        this.showToast(errorMessage);
      }
    });
  }

  // 提交登录
  onSubmit() {
    if (this.loginForm.invalid) {
      this.showToast('请填写完整的登录信息');
      return;
    }

    const formValue = this.loginForm.value;
    const loginRequest = this.loginType === 'password'
      ? this.mineService.passwordLogin(formValue.phone, formValue.password, '')
      : this.mineService.smsLogin(formValue.phone, formValue.smsCode);

    loginRequest.subscribe({
      next: (response) => {
        this.showToast('登录成功');
        localStorage.setItem("token",response);
        // 如果有返回路径，则导航到该路径
        if (this.returnUrl) {
          this.router.navigateByUrl(this.returnUrl);
        } else {
          this.navCtrl.back();
        }
      },
      error: (error) => {
        let errorMessage = '登录失败，请重试';
        if (error && error.error) {
          if (typeof error.error === 'string') {
            errorMessage = error.error;
          } else if (typeof error.error === 'object' && error.error.error) {
            errorMessage = error.error.error;
          }
        }
        this.showToast(errorMessage);
      }
    });
  }

  // 开始倒计时
  private startCountdown() {
    this.canSendSms = false;
    this.countdown = 60;
    this.updateSmsButtonText();

    this.timer = setInterval(() => {
      this.countdown--;
      this.updateSmsButtonText();
      if (this.countdown <= 0) {
        this.stopCountdown();
      }
    }, 1000);
  }

  // 停止倒计时
  private stopCountdown() {
    if (this.timer) {
      clearInterval(this.timer);
      this.timer = null;
    }
    this.canSendSms = true;
    this.smsButtonText = '发送验证码';
  }

  // 更新按钮文本
  private updateSmsButtonText() {
    this.smsButtonText = this.canSendSms ? '发送验证码' : `${this.countdown}秒后重试`;
  }

  // 显示提示信息
  private showToast(message: string) {
    this.toastCtrl.create({
      message,
      duration: 2000,
      position: 'top',
      color: 'primary',
      buttons: [
        {
          icon: 'close',
          role: 'cancel'
        }
      ],
      cssClass: 'custom-toast',
      animated: true,
      mode: 'ios'
    }).then(toast => toast.present());
  }
}