import { Component } from '@angular/core';
import { Logger } from '../core/logger';
import { 
  FormGroup,
  FormControl,
  Validators,
  FormBuilder,
  AbstractControl,
  ValidationErrors
} from '@angular/forms';
import { OrgService } from '../core/org.service';
import { User } from '../shared/user';
import { Org } from '../shared/org';
import { Invite } from '../shared/invite';
import { AppError } from '../shared/error';
import { Util } from '../shared/util';
import { DateUtil } from '../shared/dateutil';

@Component({
  selector: 'app-org',
  templateUrl: 'org.html'
})
export class OrgPage {
  public currentOrg: Org;
  public orgs: Org[] = [];
  public chooseOrgForm: FormGroup;
  public chooseOrgError: AppError;
  public joinOrgForm: FormGroup;
  public joinOrgError: AppError;
  public inviteForm: FormGroup;
  public inviteFormError: AppError;
  public newOrgForm: FormGroup;
  public newOrgError: AppError;
  public updateOrgForm: FormGroup;
  public updateOrgError: AppError;
  public invites: Invite[];
  public timezones: string[];
  public defaultTz: string;

  constructor(
    private log: Logger,
    private orgService: OrgService,
    private fb: FormBuilder
   ) {

    this.timezones = DateUtil.getTimezones();
    this.defaultTz = DateUtil.getDefaultTimezone();

    this.invites = null;

    this.updateOrgForm = fb.group({
      'name': ['', Validators.required],
      'currency': [{value: '', disabled: true}, Validators.required],
      'precision': [{value: null, disabled: true}, Validators.required],
      'timezone': ['', Validators.required]
    });

    this.chooseOrgForm = fb.group({
      'id': [null, Validators.required]
    });

    this.joinOrgForm = fb.group({
      'inviteId': [null, Validators.required]
    });

    this.inviteForm = fb.group({
      'email': [null, Validators.required]
    });

    this.newOrgForm = fb.group({
      'name': ['', Validators.required],
      'currency': ['', Validators.required],
      'precision': [null, Validators.required],
      'timezone': [this.defaultTz, Validators.required],
      'createDefaultAccounts': ['']
    });
  }

  ngOnInit() {
    this.currentOrg = this.orgService.getCurrentOrg();

    this.updateOrgForm.setValue(
      {
        name: this.currentOrg.name,
        currency: this.currentOrg.currency,
        precision: this.currentOrg.precision,
        timezone: this.currentOrg.timezone
      }
    );

    this.chooseOrgForm.setValue({id: this.currentOrg.id});
    this.newOrgForm.setValue(
      {
        name: '',
        currency: this.currentOrg.currency,
        precision: this.currentOrg.precision,
        timezone: this.defaultTz,
        createDefaultAccounts: ''
      }
    );

    this.orgService.getOrgs().subscribe(orgs => {
      this.orgs = orgs;
    });

    this.orgService.getInvites().subscribe(invites => {
      this.invites = invites;
    });
  }

  chooseOrgSubmit() {
    this.log.debug('choose new org');
    this.log.debug(this.chooseOrgForm.value.id);
    //this.dataService.setLoading(true);
    this.orgService.selectOrg(this.chooseOrgForm.value.id).subscribe(org => {
      this.log.debug('new org');
      this.log.debug(org);
    });
  }

  joinOrgSubmit() {
    this.log.debug('join org');
    this.log.debug(this.joinOrgForm.value.id);
    this.orgService.acceptInvite(this.joinOrgForm.value.inviteId)
      .switchMap(invite => {
        return this.orgService.selectOrg(invite.orgId)
      })
      .subscribe(org => {
        console.log('joined org ' + org.id);
      }, err => {
        this.joinOrgError = err;
      })
  }

  inviteSubmit() {
    this.log.debug('invite');
    this.log.debug(this.inviteForm.value);

    let invite = new Invite({email: this.inviteForm.value.email});
    this.orgService.newInvite(invite).subscribe(invite => {
      this.invites.push(invite);
      this.inviteForm.reset();
    }, err => {
      this.inviteFormError = err;
    })
  }

  newOrgSubmit() {
    //this.dataService.setLoading(true);
    let org = new Org(this.newOrgForm.value);
    org.id = Util.newGuid();
    this.log.debug(org);

    this.orgService.newOrg(org, this.newOrgForm.value['createDefaultAccounts'])
      .subscribe(
        org => {
          this.log.debug(org);
        },
        error => {
          //this.dataService.setLoading(false);
          this.log.debug('An error occurred!');
          this.log.debug(error);
          this.newOrgError = error;
        }
    );
  }

  updateOrgSubmit() {
    let org = this.currentOrg;
    org.name = this.updateOrgForm.get('name').value;
    org.timezone = this.updateOrgForm.get('timezone').value;

    this.orgService.updateOrg(org)
      .subscribe(
        org => {
          this.log.debug(org);
        },
        error => {
          this.updateOrgError = error;
        }
      );
  }

  deleteInvite(invite: Invite) {
    this.orgService.deleteInvite(invite.id).subscribe(() => {
      this.invites = this.invites.filter(inv => {
        return inv.id !== invite.id;
      });
    }, err => {
      this.inviteFormError = err;
    })
  }
}