import {
    ChangeDetectorRef,
    Component,
    NgZone,
    OnDestroy,
    OnInit,
} from '@angular/core';

import { I18nService } from 'jslib/abstractions/i18n.service';
import { StateService } from 'jslib/abstractions/state.service';

import { ProfileOrganizationResponse } from 'jslib/models/response/profileOrganizationResponse';

import { ConfigurationService } from '../../services/configuration.service';

import { DirectoryType } from '../../enums/directoryType';

import { AzureConfiguration } from '../../models/azureConfiguration';
import { GSuiteConfiguration } from '../../models/gsuiteConfiguration';
import { LdapConfiguration } from '../../models/ldapConfiguration';
import { OktaConfiguration } from '../../models/oktaConfiguration';
import { SyncConfiguration } from '../../models/syncConfiguration';

import { ConnectorUtils } from '../../utils';

@Component({
    selector: 'app-settings',
    templateUrl: 'settings.component.html',
})
export class SettingsComponent implements OnInit, OnDestroy {
    directory: DirectoryType;
    directoryType = DirectoryType;
    ldap = new LdapConfiguration();
    gsuite = new GSuiteConfiguration();
    azure = new AzureConfiguration();
    okta = new OktaConfiguration();
    sync = new SyncConfiguration();
    organizationId: string;
    directoryOptions: any[];
    organizationOptions: any[];

    constructor(private i18nService: I18nService, private configurationService: ConfigurationService,
        private changeDetectorRef: ChangeDetectorRef, private ngZone: NgZone,
        private stateService: StateService) {
        this.directoryOptions = [
            { name: i18nService.t('select'), value: null },
            { name: 'Active Directory / LDAP', value: DirectoryType.Ldap },
            { name: 'Azure Active Directory', value: DirectoryType.AzureActiveDirectory },
            { name: 'G Suite (Google)', value: DirectoryType.GSuite },
            { name: 'Okta', value: DirectoryType.Okta },
        ];
    }

    async ngOnInit() {
        this.organizationOptions = [{ name: this.i18nService.t('select'), value: null }];
        const orgs = await this.stateService.get<ProfileOrganizationResponse[]>('profileOrganizations');
        if (orgs != null) {
            for (const org of orgs) {
                this.organizationOptions.push({ name: org.name, value: org.id });
            }
        }

        this.organizationId = await this.configurationService.getOrganizationId();
        this.directory = await this.configurationService.getDirectoryType();
        this.ldap = (await this.configurationService.getDirectory<LdapConfiguration>(DirectoryType.Ldap)) ||
            this.ldap;
        this.gsuite = (await this.configurationService.getDirectory<GSuiteConfiguration>(DirectoryType.GSuite)) ||
            this.gsuite;
        this.azure = (await this.configurationService.getDirectory<AzureConfiguration>(
            DirectoryType.AzureActiveDirectory)) || this.azure;
        this.okta = (await this.configurationService.getDirectory<OktaConfiguration>(
            DirectoryType.Okta)) || this.okta;
        this.sync = (await this.configurationService.getSync()) || this.sync;
    }

    async ngOnDestroy() {
        await this.submit();
    }

    async submit() {
        ConnectorUtils.adjustConfigForSave(this.ldap, this.sync);
        await this.configurationService.saveOrganizationId(this.organizationId);
        await this.configurationService.saveDirectoryType(this.directory);
        await this.configurationService.saveDirectory(DirectoryType.Ldap, this.ldap);
        await this.configurationService.saveDirectory(DirectoryType.GSuite, this.gsuite);
        await this.configurationService.saveDirectory(DirectoryType.AzureActiveDirectory, this.azure);
        await this.configurationService.saveDirectory(DirectoryType.Okta, this.okta);
        await this.configurationService.saveSync(this.sync);
    }

    parseKeyFile() {
        const filePicker = (document.getElementById('keyFile') as HTMLInputElement);
        if (filePicker.files == null || filePicker.files.length < 0) {
            return;
        }

        const reader = new FileReader();
        reader.readAsText(filePicker.files[0], 'utf-8');
        reader.onload = (evt) => {
            this.ngZone.run(async () => {
                try {
                    const result = JSON.parse((evt.target as FileReader).result as string);
                    if (result.client_email != null && result.private_key != null) {
                        this.gsuite.clientEmail = result.client_email;
                        this.gsuite.privateKey = result.private_key;
                    }
                } catch { }
                this.changeDetectorRef.detectChanges();
            });

            // reset file input
            // ref: https://stackoverflow.com/a/20552042
            filePicker.type = '';
            filePicker.type = 'file';
            filePicker.value = '';
        };
    }

    setSslPath(id: string) {
        const filePicker = (document.getElementById(id + '_file') as HTMLInputElement);
        if (filePicker.files == null || filePicker.files.length < 0) {
            return;
        }

        (this.ldap as any)[id] = filePicker.files[0].path;
        // reset file input
        // ref: https://stackoverflow.com/a/20552042
        filePicker.type = '';
        filePicker.type = 'file';
        filePicker.value = '';
    }
}