import {HttpClient, HttpHeaders} from '@angular/common/http';
import {Injectable} from '@angular/core';

@Injectable()
export class AstuteClientService {
  headers = {
    headers: new HttpHeaders().set('Content-Type', 'application/json'),
  };
  private authUrl = 'http://localhost:8080/astutesystem/auth';
  private customerUrl = 'http://localhost:8080/astutesystem/customer';
  private POUrl = 'http://localhost:8080/astutesystem/po';
  private POServiceTypesUrl = 'http://localhost:8080/astutesystem/po/serviceTypes';
  private PODetailUrl = 'http://localhost:8080/astutesystem/po/detail';
  private invoiceUrl = 'http://localhost:8080/astutesystem/invoice';
  private invoiceDetailUrl = 'http://localhost:8080/astutesystem/invoice/detail';
  private invoiceGenUrl = 'http://localhost:8080/astutesystem/invoice/generatedInvoice';
  private invoicePaymentUrl = 'http://localhost:8080/astutesystem/invoicePayment';
  private serviceTypeUrl = 'http://localhost:8080/astutesystem/serviceType';
  private sessionId = localStorage.getItem('');
  private sessionString = `?sessionId=${this.sessionId}`;

  constructor(private http: HttpClient) { }

  // **************************************** AUTH Service methods

  public login(username: string, password: string): Promise<string> {
    const data = {
      'username': username,
      'password': password
    };

    return this.http
      .post(this.authUrl, data)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        const name = response['entity'].name;
        const sessionId = response['entity'].sessionId;
        if (sessionId != null) {
          localStorage.setItem('SESSION_ID', sessionId);
            localStorage.setItem('SESSION_USER', name);
          return sessionId;
        } else {
          return null;
        }
      });
  }

    public logout() {
        localStorage.removeItem('SESSION_ID');
        localStorage.removeItem('SESSION_USER');
        console.log(localStorage.getItem('SESSION_ID'));
    }

    public getSessionId(): string {
        console.log(localStorage.getItem('SESSION_ID'));
        return localStorage.getItem('SESSION_ID');
    }

    public getSessionUser(): string {
        console.log(localStorage.getItem('SESSION_USER'));
        return localStorage.getItem('SESSION_USER');
    }


  // **************************************** Customer Service methods

  public getCustomers(): Promise<any> {
    console.log("*** In getCustomers()");
    const url = `${this.customerUrl}${this.sessionString}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      })
        .catch( error => {
            alert(error);
        });
  }

  public updateCustomer(customerId: number, data: any): Promise<any> {
    console.log("*** In updateCustomer()");
    const url = `${this.customerUrl}/${customerId}`; //TODO send sessionId
    return this.http.put(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public createCustomer(data: any): Promise<any> {
    console.log("*** In createCustomer()");
    const url = `${this.customerUrl}`; //TODO send sessionId
    return this.http.post(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

    public deleteCustomer(customerId) {
        console.log("*** In deleteCustomer()");
        const url = `${this.customerUrl}/${customerId}/delete`;
        return this.http.put(url, {})
            .toPromise()
            .then(response => {
                console.log (response['entity']);
                return response['entity'];
            });
    }

  // **************************************** PO Service methods


  public getPOs(): Promise<any> {
    console.log("*** In getPOs()");
    const url = `${this.POUrl}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      });
  }

  public getPODetail(ponum): Promise<any> {
    console.log("*** In getPODetails()");
    const url = `${this.PODetailUrl}?PONum=${ponum}`;
    console.log(url);
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      });
  }

  public updatePO(ponum: string, data: any): Promise<any> {
    console.log("*** In updatePO()");
    const url = `${this.POUrl}/${ponum}`; //TODO send sessionId
    return this.http.put(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public createPO(data: any): Promise<any> {
    console.log("*** In createPO()");
    const url = `${this.POUrl}`; //TODO send sessionId
    return this.http.post(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public updatePODetail(ponum, lineItemNo, data) {
    console.log("*** In updatePODetail()");
    const sessionId = localStorage.getItem('sessionId');
    const url = `${this.POUrl}/detail/${ponum}/${lineItemNo}`; //TODO send sessionId
    return this.http.put(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public createPODetail(data) {
    console.log("*** In createPODetail()");
    const url = `${this.POUrl}/detail`; //TODO send sessionId
    return this.http.post(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

    public finalizePO(ponum: string){
        console.log("*** In finalizePO()");
        const url = `${this.POUrl}/${ponum}/finalize`; //TODO send sessionId
        return this.http.put(url, {})
            .toPromise()
            .then(response => response['entity']);
    }


    public deletePO(ponum: string) {
        console.log("*** In deletePO()");
        const url = `${this.POUrl}/${ponum}/delete`; //TODO send sessionId
        return this.http.put(url, {})
            .toPromise()
            .then(response => response['entity']);
    }

    // **************************************** Invoice Service methods

  // /{InvoiceNumber}/void
  public submitInvoice (invoiceNumber) {
    console.log("*** In submitInvoice(), invoiceNumber" + invoiceNumber);
    const url = `${this.invoiceUrl}/${invoiceNumber}/submit`;
    return this.http.put(url, {})
      .toPromise()
      .then(response => {
        console.log (response['entity']);
        return response['entity'];
      });
  }

  public voidInvoice (invoiceNumber) {
    console.log("*** In voidInvoice(), invoiceNumber" + invoiceNumber);
    const url = `${this.invoiceUrl}/${invoiceNumber}/void`;
    return this.http.put(url, {})
      .toPromise()
      .then(response => {
        console.log (response['entity']);
        return response['entity'];
      });
  }

  public deleteInvoice (invoiceNumber) {
      console.log("*** In deleteInvoice(), invoiceNumber" + invoiceNumber);
      const url = `${this.invoiceUrl}/${invoiceNumber}/delete`;
      return this.http.put(url, {})
          .toPromise()
          .then(response => {
              console.log (response['entity']);
              return response['entity'];
          });
  }

  public generateInvoiceNumber (ponum) {
    console.log("*** In generateInvoiceNumber()");
    const url = `${this.invoiceUrl}/generateInvoiceNumber/${ponum}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log (response['entity'])
        return response['entity'];
      });
  }

  public getInvoices(): Promise<any> {
    console.log("*** In getInvoices()");
    const url = `${this.invoiceUrl}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      });
  }

  public getInvoiceDetail(invoiceId: string): Promise<any> {
    console.log("*** In getInvoiceDetail()");
    const url = `${this.invoiceDetailUrl}?invoiceNumber=${invoiceId}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      });
  }

  public getInvoiceGen (invoiceId: string): Promise<any> {
    console.log("*** In getInvoiceGen()");
    const url = `${this.invoiceGenUrl}/${invoiceId}`;
    return this.http.get(url)
      .toPromise()
      .then(response => {
        console.log(response['entity']);
        return response['entity'];
      });
  }

  public updateInvoice(invoiceNumber: string, data: any): Promise<any> {
    console.log("*** In updateInvoice()");
    const url = `${this.invoiceUrl}/${invoiceNumber}`; //TODO send sessionId
    return this.http.put(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public createInvoice(data: any): Promise<any> {
    console.log("*** In createInvoice()");
    const url = `${this.invoiceUrl}`; //TODO send sessionId
    return this.http.post(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public updateInvoiceDetail(invNum, lineItemNo, data) {
    console.log("*** In updateInvoiceDetail()");
    const url = `${this.invoiceUrl}/detail/${invNum}/${lineItemNo}`; //TODO send sessionId
    return this.http.put(url, data)
      .toPromise()
      .then(response => response['entity']);
  }

  public createInvoiceDetail(data) {
    console.log("*** In createInvoiceDetail()");
    const url = `${this.invoiceUrl}/detail`; //TODO send sessionId
    return this.http.post(url, data)
      .toPromise()
      .then(response => response['entity']);
  }


   // **************************************** Invoice Payment Service methods

    public getSumittedInvoices(): Promise<any> {
        console.log("*** In getSumittedInvoices()");
        const url = `${this.invoiceUrl}/submitted`;
        return this.http.get(url)
            .toPromise()
            .then(response => {
                console.log(response['entity']);
                return response['entity'];
            });
    }

    public getInvoiceTypes(): Promise<any> {
        const url = `${this.invoicePaymentUrl}/paymentTypes`;
        console.log("*** In getInvoiceTypes() ... calling " + url);
        return this.http.get(url)
            .toPromise()
            .then(response => {
                console.log(response['entity']);
                return response['entity'];
            });
    }

    public getInvoicePayments(): Promise<any> {
        console.log("*** In getInvoicePayments()");
        const url = `${this.invoicePaymentUrl}`;
        return this.http.get(url)
            .toPromise()
            .then(response => {
                console.log(response['entity']);
                return response['entity'];
            });
    }

    public updateInvoicePayment(invoiceNumber: string, invoicePaymentId: string, data: any): Promise<any> {
        console.log("*** In updateInvoicePayment()");
        const url = `${this.invoicePaymentUrl}/${invoiceNumber}/${invoicePaymentId}`; //TODO send sessionId
        console.log("*** invoicePaymentUrl is " + url);
        return this.http.put(url, data)
            .toPromise()
            .then(response => response['entity']);
    }

    public addInvoicePayment(data: any): Promise<any> {
        console.log("*** In addInvoicePayment()");
        const url = `${this.invoicePaymentUrl}`; //TODO send sessionId
        return this.http.post(url, data)
            .toPromise()
            .then(response => response['entity']);
    }

    // **************************************** Service Type methods

    public getServiceTypes(): Promise<any> {
        console.log("*** In getPOServiceTypes()");
        const url = `${this.serviceTypeUrl}`;
        return this.http.get(url)
            .toPromise()
            .then(response => {
                console.log(response['entity']);
                return response['entity'];
            });
    }

    public updateServiceType(serviceTypeId, serviceTypeDesc, data: any): Promise<any> {
        console.log("*** In updateServiceType()");
        const url = `${this.serviceTypeUrl}/${serviceTypeId}/?desc=${serviceTypeDesc}`; //TODO send sessionId
        console.log("*** updateServiceType is " + url);
        return this.http.put(url, data)
            .toPromise()
            .then(response => response['entity']);
    }

    public createServiceType(data: any): Promise<any> {
        console.log("*** In createServiceType()");
        const url = `${this.serviceTypeUrl}`; //TODO send sessionId
        return this.http.post(url, data)
            .toPromise()
            .then(response => response['entity']);
    }
}