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

import { ToasterService } from 'angular2-toaster';

import { BillingResponse } from 'jslib-common/models/response/billingResponse';

import { ApiService } from 'jslib-common/abstractions/api.service';
import { I18nService } from 'jslib-common/abstractions/i18n.service';
import { LogService } from 'jslib-common/abstractions/log.service';
import { PlatformUtilsService } from 'jslib-common/abstractions/platformUtils.service';

import { PaymentMethodType } from 'jslib-common/enums/paymentMethodType';
import { TransactionType } from 'jslib-common/enums/transactionType';
import { VerifyBankRequest } from 'jslib-common/models/request/verifyBankRequest';

@Component({
    selector: 'app-user-billing',
    templateUrl: 'user-billing.component.html',
})
export class UserBillingComponent implements OnInit {
    loading = false;
    firstLoaded = false;
    showAdjustPayment = false;
    showAddCredit = false;
    billing: BillingResponse;
    paymentMethodType = PaymentMethodType;
    transactionType = TransactionType;
    organizationId: string;
    verifyAmount1: number;
    verifyAmount2: number;

    verifyBankPromise: Promise<any>;

    constructor(protected apiService: ApiService, protected i18nService: I18nService,
        protected toasterService: ToasterService, protected platformUtilsService: PlatformUtilsService,
        private logService: LogService) { }

    async ngOnInit() {
        await this.load();
        this.firstLoaded = true;
    }

    async load() {
        if (this.loading) {
            return;
        }
        this.loading = true;
        if (this.organizationId != null) {
            this.billing = await this.apiService.getOrganizationBilling(this.organizationId);
        } else {
            this.billing = await this.apiService.getUserBilling();
        }
        this.loading = false;
    }

    async verifyBank() {
        if (this.loading) {
            return;
        }

        try {
            const request = new VerifyBankRequest();
            request.amount1 = this.verifyAmount1;
            request.amount2 = this.verifyAmount2;
            this.verifyBankPromise = this.apiService.postOrganizationVerifyBank(this.organizationId, request);
            await this.verifyBankPromise;
            this.toasterService.popAsync('success', null, this.i18nService.t('verifiedBankAccount'));
            this.load();
        } catch (e) {
            this.logService.error(e);
        }
    }

    addCredit() {
        if (this.paymentSourceInApp) {
            this.platformUtilsService.showDialog(this.i18nService.t('cannotPerformInAppPurchase'),
                this.i18nService.t('addCredit'), null, null, 'warning');
            return;
        }
        this.showAddCredit = true;
    }

    closeAddCredit(load: boolean) {
        this.showAddCredit = false;
        if (load) {
            this.load();
        }
    }

    changePayment() {
        if (this.paymentSourceInApp) {
            this.platformUtilsService.showDialog(this.i18nService.t('cannotPerformInAppPurchase'),
                this.i18nService.t('changePaymentMethod'), null, null, 'warning');
            return;
        }
        this.showAdjustPayment = true;
    }

    closePayment(load: boolean) {
        this.showAdjustPayment = false;
        if (load) {
            this.load();
        }
    }

    get isCreditBalance() {
        return this.billing == null || this.billing.balance <= 0;
    }

    get creditOrBalance() {
        return Math.abs(this.billing != null ? this.billing.balance : 0);
    }

    get paymentSource() {
        return this.billing != null ? this.billing.paymentSource : null;
    }

    get paymentSourceInApp() {
        return this.paymentSource != null &&
            (this.paymentSource.type === PaymentMethodType.AppleInApp ||
                this.paymentSource.type === PaymentMethodType.GoogleInApp);
    }

    get invoices() {
        return this.billing != null ? this.billing.invoices : null;
    }

    get transactions() {
        return this.billing != null ? this.billing.transactions : null;
    }
}