import { Injectable } from '@angular/core';
import { CookiesService } from './cookies.service';
import { WpJsonService } from './wp-json.service';
import { environment } from 'src/environments/environment';
import { JsonrpcService, RpcService } from './jsonrpc.service';
import { MessageService } from 'primeng/api';
import { UserInfo, Purchase, lvlPeriod, UserInfoWalletBalance, ResponseError } from '../interface/data';
import { lvlPeriods } from 'src/app/app.constants';
import moment, { Moment } from 'moment-timezone';
import { Router } from '@angular/router';

export interface IPurchaseData {
  currentPeriod: Moment[];
  lastPeriod: Moment[];
  currentAmount?: number;
  lastPurchase?: Purchase;
}

@Injectable({
  providedIn: 'root',
})
export class AuthService {
  public purchaseData: IPurchaseData = {
    currentPeriod: [],
    lastPeriod: [],
    lastPurchase: undefined,
  };
  userInfo?: UserInfo;
  loading: boolean = false;
  error: any;
  timeLeft: number = 0;

  get currentLvlPeriod(): lvlPeriod {
    return lvlPeriods[this.userInfo ? this.userInfo.customer_level - 1 : 0];
  }

  constructor(
    private cookiesService: CookiesService,
    private wpJsonService: WpJsonService,
    private jsonrpc: JsonrpcService,
    private messageService: MessageService,
    private router: Router,
  ) {
    this.getCurrentQuarterOfYear();
  }

  get token(): string | undefined {
    return this.cookiesService.getItem('token');
  }

  get authorized(): boolean {
    return !!this.token;
  }

  getUserInfo() {
    const token = this.cookiesService.getItem('token');

    if (!token) {
      return;
    }

    this.loading = true;

    this.wpJsonService
      .getCustomerInfo(
        environment.systemId,
        token,
        environment.icardProxy,
      )
      .subscribe({
        next: (value) => {
          if (value && value.customer_info && value.customer_info.errorCode === 'Customer_CustomerNotFound') {
            this.wpJsonService.newCustomer(
              environment.systemId,
              token,
              environment.icardProxy,
            )
              .subscribe({
                next: () => {
                  this.getUserInfo();
                }
              })
          } else if (value && value.error && value.error.code > 1) {
            this.messageService.add({
              severity: 'error',
              summary: 'Произошла ошибка! Попробуйте позже',
            });
          } else if (value && value.customer_info) {
            this.userInfo = value.customer_info;

            this.cookiesService.setCookie('phone-number', this.userInfo!.phone?.slice(2));

						this.getLastPurchase();
          }
        },
        error: (e) => {
          this.error = e;
        },
        complete: () => {
          this.loading = false;
        },
      });
  }

  logout() {
    this.userInfo = undefined;
    this.cookiesService.logout();
    this.router.navigate(['/login']);
  }

  sendVerifyByPhone(phone: string) {
    if (this.timeLeft) {
      this.messageService.add({
        severity: 'custom',
        summary: `Отправить повторно можно через ${this.timeLeft}с`,
      });
      return;
    }

    this.loading = true;
    this.jsonrpc
      .rpc(
        {
          method: 'sendVerifyByPhone',
          params: [phone],
        },
        RpcService.authService,
        false
      )
      .subscribe({
        next: (result) => {
          if (result.code !== 0) {
            this.messageService.add({
              severity: 'error',
              summary: 'Произошла ошибка! Попробуйте позже',
            });
          }
          if (result.code === 0) {
            this.timeLeft = 60;
            const interval = setInterval(() => {
              if (this.timeLeft > 0) {
                this.timeLeft--;
              } else {
                clearInterval(interval);
              }
            }, 1000);
          }
        },
        error: (error) => {
          console.error('Error: ', error);
        },
        complete: () => {
          this.loading = false;
        },
      });
  }

  submitCode(code: string, phone: string, name: string) {
    this.loading = true;
    this.jsonrpc
      .rpc(
        {
          method: 'getTokenByPhone',
          params: [phone, code],
        },
        RpcService.authService,
        false
      )
      .subscribe({
        next: (result) => {
          if (result.code === 0) {
            this.cookiesService.setCookie('token', result?.data?.token);
            this.jsonrpc.rpc(
              {
                method: 'updateAdditionalInfo',
                params: [
                  {
                    first_name: name,
                    birth_day: '01.01.1999'
                  },
                ],
              },
              RpcService.authService,
              true
            ).subscribe({
              next: () => {
                this.router.navigate(['/']);
                this.getUserInfo();
              },
              error: (err) => {
                console.error(err);
              },
            })
          } else if (result.code === 230) {
            this.messageService.add({
              severity: 'error',
              summary: 'Неверный код!',
            });
          }
        },
        error: (error) => {
          console.error(error);
        },
        complete: () => {
          this.loading = false;
        }
      });
  }

  getCurrentQuarterOfYear() {
    const quarters = [
      [
        moment().subtract(1, 'years').endOf('year').subtract(3, 'months'),
        moment().startOf('year').add(10, 'days'),
      ],
      [
        moment().startOf('year').add(10, 'days'),
        moment().startOf('year').add(3, 'months'),
      ],
      [
        moment().startOf('year').add(3, 'months'),
        moment().startOf('year').add(6, 'months'),
      ],
      [
        moment().startOf('year').add(6, 'months'),
        moment().startOf('year').add(9, 'months'),
      ],
      [
        moment().startOf('year').add(9, 'months'),
        moment().startOf('year').add(12, 'months'),
      ],
    ];

    for (let i = 0; i < 4; i++) {
      if (moment().isBetween(quarters[i][0], quarters[i][1])) {
        this.purchaseData.lastPeriod = quarters[i - 1];
        this.purchaseData.currentPeriod = quarters[i];
      }
    }
  }

  getNextLevel(): lvlPeriod {
    if (this.userInfo?.customer_level === lvlPeriods.length) {
      return lvlPeriods[lvlPeriods.length - 1];
    }
    return this.userInfo && lvlPeriods[this.userInfo?.customer_level] || lvlPeriods[0];
  }

  getLastPurchase() {
		if(this.userInfo) {
			this.wpJsonService.getLastPurchase(environment.systemId, this.token!).subscribe({
				next: (res) => {
					this.purchaseData.lastPurchase = res[this.userInfo!.id][0];
				},
			});
		}
  }

  getBalanceAmount(loyaltyPrograms: UserInfoWalletBalance[]) {
    return (loyaltyPrograms || []).reduce((accumulator, currentValue) => {
      if (currentValue.wallet.name !== 'Федеральная программа лояльности') {
        return accumulator
      }
      return accumulator + currentValue.balance;
    }, 0);
  }
}