import { HttpClient } from '@angular/common/http';
import { inject, Injectable } from '@angular/core';
import { catchError, map, Observable, of } from 'rxjs';
import { Region } from '../../models/region';
import { State } from '../../models/state';
import { environment } from '../../../../environments/environment';
import { DeliveryType } from '../../models/delivery-type';
import { FeeType } from '../../models/fee-type';
import { TimeZone } from '../../models/timezone';
import { BondSurety } from '../../models/bond-surety';
import { CargoPolicy } from '../../models/cargo-policy';
import { CargoSurety } from '../../models/cargo-surety';
import { CarnetStatus } from '../../models/carnet-status';
import { Country } from '../../models/country';
import { UserService } from './user.service';
import { DeliveryMethod } from '../../models/delivery-method';
import { FormOfSecurity } from '../../models/formofsecurity';
import { PaymentType } from '../../models/payment-type';
import { UnitOfMeasure } from '../../models/unitofmeasure';
import { ExtensionReason } from '../../models/extension-reason';

@Injectable({
  providedIn: 'root'
})
export class CommonService {
  private apiUrl = environment.apiUrl;
  private apiDb = environment.apiDb;

  private http = inject(HttpClient);
  private userService = inject(UserService);

  getCountries(): Observable<Country[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=002&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getStates(country: string): Observable<State[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=001&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
          countryValue: item.ADDLPARAMVALUE1,
        })).filter((state) => state.countryValue === country) // Filter by country value
      ),
      catchError((error) => {
        console.error('Error fetching states:', error);
        return of([]);
      })
    );
  }

  getRegions(): Observable<Region[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetRegions`).pipe(
      map((response) =>
        response.map((item) => ({
          id: item.REGIONID,
          region: item.REGION,
          regionname: item.REGIONNAME
        }))
      )
    );
  }

  getDeliveryTypes(): Observable<DeliveryType[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=006&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
          daysToDelivery: item.ADDLPARAMVALUE1,
          cutOffTime: item.ADDLPARAMVALUE2,
        }))
      )
    );
  }

  getTimezones(): Observable<TimeZone[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=010&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getFeeTypes(): Observable<FeeType[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=009&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getBondSuretys(): Observable<BondSurety[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=003&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getCargoPolicies(): Observable<CargoPolicy[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=004&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getCargoSuretys(): Observable<CargoSurety[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=005&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE
        }))
      )
    );
  }

  getCarnetStatuses(): Observable<CarnetStatus[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=011&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
          color: item.ADDLPARAMVALUE1,
        }))
      )
    );
  }

  getUnitOfMeasures(): Observable<UnitOfMeasure[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=013&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
        }))
      )
    );
  }

  getDeliveryMethods(): Observable<DeliveryMethod[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=007&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
        }))
      )
    );
  }

  getPaymentTypes(): Observable<PaymentType[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=008&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
        }))
      )
    );
  }

  getFormOfSecurities(): Observable<FormOfSecurity[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=016&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
          isGov: item.ADDLPARAMVALUE1 === 'GOV',
        }))
      )
    );
  }

  getExtensionReasons(): Observable<ExtensionReason[]> {
    return this.http.get<any[]>(`${this.apiUrl}/${this.apiDb}/GetParamValues?P_PARAMTYPE=008&P_SPID=${this.userService.getUserSpid()}`).pipe(
      map((response) =>
        response.map((item) => ({
          name: item.PARAMDESC,
          id: item.PARAMID,
          value: item.PARAMVALUE,
        }))
      )
    );
  }

  formatUSDate(datetime: Date): string {
    const date = new Date(datetime);
    const month = String(date.getUTCMonth() + 1).padStart(2, '0');
    const day = String(date.getUTCDate()).padStart(2, '0');
    const year = date.getUTCFullYear();

    return `${month}/${day}/${year}`;
  }
}