import { Component, OnInit } from '@angular/core';
import { MenuItem, SelectItem } from 'primeng/api';
import { AppService } from './_services/app.service';
import { TranslateService } from '@ngx-translate/core';
import { AuthenticationService } from './_services/authentication.service';
import { Router } from '@angular/router';
import { first } from 'rxjs/operators';
import { UserInfo } from './_api/models';
import { UserService } from './_api/services';


@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  title = 'My Control Panel';

  ItemsUserDropDown: MenuItem[];

  public ConnectedUser: UserInfo;

  public Connected = false;
  public DisplayLoginModal = false;
  public DisplaySignInModal = false;
  public DisplayPersonalField = false;

  // Login
  public Email: string = null;
  public Password: string = null;
  public ErrorTextLogin = '';

  public CreateUser: UserInfo = {};
  public ConfirmPassword: string;
  public UserTryingToLogin: UserInfo = {};

  // Sign in
  public ErrorTextSignIn = '';

  // Form Label
  public LabelFormLastName: string;
  public LabelFormFirstName: string;
  public LabelFormEmail: string;
  public LabelFormPassword: string;
  public LabelFormConfirmPassword: string;
  public LabelFormCreate: string;

  // Labels
    // Headers
    public LabelHeaderLogIn: string;
    public LabelHeaderSignIn: string;
    public LabelHeaderAbout: string;
    public LabelHeaderTeam: string;
    public LabelHeaderContact: string;
    // LogIn
    public LabelLoginIdentify: string;
    // SignIn
    public LabelSignInCreateProfile: string;
    // DropDown
    public LabelDropDownLogout: string;
    public LabelDropDownModifyUser: string;

  constructor(
    private _appService: AppService,
    private _translateService: TranslateService,
    private _authService: AuthenticationService,
    private _userService: UserService,
    private _router: Router
  ) {}

  ngOnInit() {

    const currentUser = this._authService.currentUserValue;
    console.log('currentUser', currentUser);

    if (currentUser && currentUser.token) {
      this.ConnectedUser = currentUser;
      this.Connected = true;
      this.DisplayLoginModal = false;
      this.Email = null;
      this.Password = null;
      this._authService.IsLoggedIn = true;
      console.log(this.ConnectedUser.language);
      if (this.ConnectedUser.language === null) {
        this._translateService.setDefaultLang('en');
      } else {
        if (this.ConnectedUser.language === 'gb') {
          this._translateService.setDefaultLang('en');
        } else {
          this._translateService.setDefaultLang(this.ConnectedUser.language);
        }
      }
    } else {
      this._translateService.setDefaultLang('en');
    }

    this.InitLabels();

    this._appService.OpenSignInModal.subscribe(
      value => {
        if (value) {
          this.DisplaySignInModal = true;
        }
      }
    );

    this._translateService.get('App.Home.UserDropDown.ModifyUser').subscribe(modifyLabel => {
      this._translateService.get('App.Home.UserDropDown.Logout').subscribe(logoutLabel => {
        this.ItemsUserDropDown = [
          {label: modifyLabel, icon: 'fa fa-edit', command: () => {
            this._router.navigate(['/profile/' + this.ConnectedUser.id + '/edit']);
          }},
          {label: logoutLabel, icon: 'fa fa-sign-out', command: () => {
            this.Logout();
          }}
        ];
      });
    });

  }


  public LogIn(email, password) {
    this.UserTryingToLogin.email = email;
    this.UserTryingToLogin.password = password;
    this._authService.Login(this.UserTryingToLogin)
            .pipe(first())
            .subscribe(
                data => {
                    console.log(data);
                    this.ConnectedUser = data;
                    this.Connected = true;
                    this.DisplayLoginModal = false;
                    this.Email = null;
                    this.Password = null;
                    this._authService.IsLoggedIn = true;
                    this._router.navigate(['/profile/' + this.ConnectedUser.id]);
                    this.ErrorTextLogin = '';
                },
                error => {
                  this._translateService.get('App.Home.Login.ErrorText').subscribe(loginErrorText => {
                    this.ErrorTextLogin = loginErrorText;
                  });
                });
  }

  public Logout() {
    this._authService.Logout();
    this.Connected = false;
    this.Email = null;
    this.Password = null;
    this._authService.IsLoggedIn = false;
    this._router.navigate(['/home']);
  }

  public SignUp() {
    this.DisplaySignInModal = true;
  }

  public GoHome() {
    this._router.navigate(['/home']);
  }

  public GoToProfile() {
    this._router.navigate(['/profile/' + this.ConnectedUser.id]);
  }

  public GoToConfiguration() {
    this._router.navigate(['/profile/' + this.ConnectedUser.id + '/configurations']);
  }

  public GoToDevices() {
    this._router.navigate(['/profile/' + this.ConnectedUser.id + '/devices']);
  }

  public CreateProfile() {
    if (this.CorrectForm()) {
      this.CreateUser.deviceIds = [];
      this.CreateUser.language = 'gb';
      this._userService.CreateUser(this.CreateUser)

      .subscribe(
          data => {
            // TO CHANGE
            this.ErrorTextSignIn = '';
            this.UserTryingToLogin.email = data.email;
            this.UserTryingToLogin.password = data.password;
            this.DisplaySignInModal = false;
            /*this.ConnectedUser = data;
            this.Connected = true;*/
            this.LogIn(data.email, data.password);
          },
          error => {
            if (error !== null && error === 'Conflict') {
              this._translateService.get('App.Home.SignIn.ErrorAlreadyExist').subscribe(text => {
                this.ErrorTextSignIn = text;
              });
            } else {
              this._translateService.get('App.Home.SignIn.ErrorUnknown').subscribe(text => {
                this.ErrorTextSignIn = text;
              });
            }
          });
      }
  }

  public CorrectForm(): boolean {
    if (this.CreateUser.firstName == null || this.CreateUser.lastName == null ||
      this.CreateUser.email == null || this.CreateUser.password == null) {
        this._translateService.get('App.Home.SignIn.ErrorFieldsMissing').subscribe(text => {
          this.ErrorTextSignIn = text;
        });
      return false;
    }
    if (this.ConfirmPassword !== this.CreateUser.password) {
      this._translateService.get('App.Home.SignIn.ErrorConfirmPassword').subscribe(text => {
        this.ErrorTextSignIn = text;
      });
      return false;
    }
    this.ErrorTextSignIn = '';
    return true;
  }

  public ResetLogInModal() {
    this.ErrorTextLogin = '';
    this.Email = '';
    this.Password = '';
  }

  public ResetSignInModal() {
    this.ErrorTextSignIn = '';
    this.CreateUser = {};
    this.ConfirmPassword = '';
  }

  public InitLabels() {
    // HEADERS
    this._translateService.get('App.Home.Login.Header').subscribe(label => {
      this.LabelHeaderLogIn = label;
    });
    this._translateService.get('App.Home.SignIn.Header').subscribe(label => {
      this.LabelHeaderSignIn = label;
    });
    this._translateService.get('App.Home.About.Header').subscribe(label => {
      this.LabelHeaderAbout = label;
    });
    this._translateService.get('App.Home.Team.Header').subscribe(label => {
      this.LabelHeaderTeam = label;
    });
    this._translateService.get('App.Home.Contact.Header').subscribe(label => {
      this.LabelHeaderContact = label;
    });

    // LOGIN
    this._translateService.get('App.Home.Login.Identify').subscribe(label => {
      this.LabelLoginIdentify = label;
    });

    // SIGN IN
    this._translateService.get('App.Home.SignIn.CreateProfile').subscribe(label => {
      this.LabelSignInCreateProfile = label;
    });

    // FORM
    this._translateService.get('App.Common.Form.LastName').subscribe(label => {
      this.LabelFormLastName = label;
    });
    this._translateService.get('App.Common.Form.FirstName').subscribe(label => {
      this.LabelFormFirstName = label;
    });
    this._translateService.get('App.Common.Form.Email').subscribe(label => {
      this.LabelFormEmail = label;
    });
    this._translateService.get('App.Common.Form.Password').subscribe(label => {
      this.LabelFormPassword = label;
    });
    this._translateService.get('App.Common.Form.ConfirmPassword').subscribe(label => {
      this.LabelFormConfirmPassword = label;
    });
    this._translateService.get('App.Common.Form.Create').subscribe(label => {
      this.LabelFormCreate = label;
    });
  }
}