import { Maybe } from '@/core';
import { NativeBridgeService } from '@/core/services';
import { NavigationService } from '@/core/services/navigation.service';
import { ToastService } from '@/core/services/toast.service';
import { PosConfigPrintService } from '@/domains/pos/modules/configs/components/print/services/main.service';
import { IPosReturnFromSaleRequest } from '@/domains/pos/modules/saleInvoices/models/returnFromSale';
import { IPosOrderItem } from '@/domains/pos/modules/shop/models';
import { PosInfoStore } from '@/domains/pos/store';
import { TspProviderResponseStatus } from '@/shared/catalog';
import { SharedLightBottomsheetComponent } from '@/shared/components';
import { ISaleInvoiceFullResponse } from '@/shared/components/invoices/sale-invoice-full-response.model';
import { PageLoadingComponent } from '@/shared/components/page-loading.component';
import { UikitEmptyStateComponent } from '@/uikit';
import { formatJalali, formatWithCurrency } from '@/utils';
import {
  Component,
  computed,
  EventEmitter,
  inject,
  Input,
  Output,
  signal,
  SimpleChanges,
  TemplateRef,
  ViewChild,
} from '@angular/core';
import { Router } from '@angular/router';
import { QRCodeComponent } from 'angularx-qrcode';
import { Button, ButtonDirective } from 'primeng/button';
import { Card } from 'primeng/card';
import { TableModule } from 'primeng/table';
import { Observable } from 'rxjs';
import { AppConfirmationService } from '../confirmationDialog/confirmation-dialog.service';
import { InnerPagesHeaderComponent } from '../innerPagesHeader/inner-pages-header.component';
import { SharedCorrectionFormComponent } from './correctionForm';
import { CorrectionInvoiceFormValue, ICorrectionRequest, ReturnFromSaleFormValue } from './models';
import { SharedReturnFormComponent } from './returnForm/form.component';
import {
  SaleInvoiceSingleInfoCardComponent,
  TSaleInvoiceSingleViewVariant,
} from './sale-invoice-single-info-card.component';

type TActionMenuItem = {
  label: string;
  icon: string;
  command: () => void;
  neededStatus?: TspProviderResponseStatus;
  severity?: 'secondary' | 'info' | 'warn' | 'danger' | 'contrast';
};

@Component({
  selector: 'shared-sale-invoice-single-view',
  templateUrl: './sale-invoice-single-view.component.html',
  imports: [
    TableModule,
    PageLoadingComponent,
    UikitEmptyStateComponent,
    Button,
    SharedLightBottomsheetComponent,
    SharedReturnFormComponent,
    SharedCorrectionFormComponent,
    ButtonDirective,
    InnerPagesHeaderComponent,
    SaleInvoiceSingleInfoCardComponent,
    QRCodeComponent,
    Card,
  ],
})
export class SharedSaleInvoiceSingleViewComponent {
  private readonly nativeBridge = inject(NativeBridgeService);
  private readonly posInfoStore = inject(PosInfoStore);
  private readonly toastService = inject(ToastService);
  //TODO: below service Must be transform from pos to shared.
  private readonly service = inject(PosConfigPrintService);
  private readonly confirmationService = inject(AppConfirmationService);
  private readonly router = inject(Router);
  private readonly navigationService = inject(NavigationService);

  @Input({ required: true }) loading!: boolean;
  @Input() invoice!: Maybe<ISaleInvoiceFullResponse>;
  @Input() variant: TSaleInvoiceSingleViewVariant = 'full';
  @Input() backRoute?: string;
  @Input() sendToTspLoading: boolean = false;
  @Input() resendToTspLoading: boolean = false;
  @Input() inquiryLoading: boolean = false;

  @Output() onRefresh = new EventEmitter<void>();
  @Output() onSendToTsp = new EventEmitter<Observable<any>>();
  @Output() onResendToTsp = new EventEmitter<Observable<any>>();
  @Output() onInquiry = new EventEmitter<Observable<any>>();
  @Output() onCorrection = new EventEmitter<ICorrectionRequest>();
  @Output() onReturnFromSale = new EventEmitter<IPosReturnFromSaleRequest>();

  @ViewChild('totalAmount', { static: false }) totalAmount!: TemplateRef<any>;

  moreActionMenuItems = signal<TActionMenuItem[]>([]);
  showCorrectionForm = signal(false);
  showReturnFromSaleForm = signal(false);
  showQrCodeDialog = signal(false);

  publicInvoiceRoute = computed(() => {
    if (this.invoice) {
      return `${window.location.origin}/sale-invoices/${this.invoice.id}`;
    }
    return '';
  });

  showErrors = () => {};
  inquiry = () => {
    this.onInquiry.emit();
  };
  send = () => {
    this.onSendToTsp.emit();
  };
  sendCorrection = (event: ICorrectionRequest) => {
    this.onCorrection.emit(event);
  };
  resend = () => {
    this.onResendToTsp.emit();
  };
  sendReturnFromSale = (event: IPosReturnFromSaleRequest) => {
    this.onReturnFromSale.emit(event);
  };
  showCorrection = () => {
    this.showCorrectionForm.set(true);
  };
  showReturnFromSale = () => {
    this.showReturnFromSaleForm.set(true);
  };

  private readonly actions: TActionMenuItem[] = [
    {
      label: 'ارسال مجدد صورت‌حساب',
      icon: 'pi pi-send',
      neededStatus: TspProviderResponseStatus.SEND_FAILURE,
      severity: 'info',
      command: () => this.resend(),
    },
    {
      label: 'ارسال صورت‌حساب',
      icon: 'pi pi-send',
      neededStatus: TspProviderResponseStatus.NOT_SEND,
      severity: 'info',
      command: () => this.send(),
    },
    {
      label: 'استعلام وضعیت',
      icon: 'pi pi-info',
      neededStatus: TspProviderResponseStatus.FISCAL_QUEUED,
      severity: 'info',
      command: () => this.inquiry(),
    },
    {
      label: 'دلایل خطا',
      icon: 'pi pi-question',
      neededStatus: TspProviderResponseStatus.FAILURE,
      severity: 'danger',
      command: () => this.showErrors(),
    },
    {
      label: 'ابطال',
      icon: 'pi pi-eraser',
      neededStatus: TspProviderResponseStatus.SUCCESS,
      severity: 'danger',
      command: () => this.showRevokeConfirmation(),
    },
    {
      label: 'اصلاح',
      icon: 'pi pi-file-edit',
      neededStatus: TspProviderResponseStatus.SUCCESS,
      severity: 'warn',
      command: () => this.showCorrection(),
    },
    {
      label: 'برگشت از فروش',
      icon: 'pi pi-cart-minus',
      neededStatus: TspProviderResponseStatus.SUCCESS,
      severity: 'warn',
      command: () => this.showReturnFromSale(),
    },
  ];

  get actionLoading() {
    return this.sendToTspLoading || this.inquiryLoading || this.resendToTspLoading;
  }

  async showRevokeConfirmation() {
    await this.confirmationService.ask({
      header: `ابطال صورت‌حساب‌ شماره ${this.invoice!.invoice_number}`,
      message: `در صورت تایید ابطال صورت‌حساب‌ شماره ${this.invoice!.invoice_number} بر روی دکمه‌ی ابطال کلیک کنید.`,
      acceptLabel: 'ابطال',
      acceptButtonProps: {
        severity: 'dangerdock',
      },
      variant: 'danger',

      accept: async () => {
        // this.deferredInstallPrompt.prompt();
        // this.deferredInstallPrompt.userChoice.finally(() => {
        //   this.deferredInstallPrompt = null;
        //   this.canInstall.set(false);
        //   window.location.reload();
        // });
        // },
      },
    });
  }

  ngOnChanges(changes: SimpleChanges) {
    if (changes['invoice'] && this.invoice) {
      const invoiceStatus = this.invoice.status.value;

      this.moreActionMenuItems.set(
        this.actions.filter((action) => action.neededStatus === invoiceStatus)
      );
    }
  }

  readonly posName = computed(() => {
    if (this.posInfoStore.entity()) {
      const { name, businessActivity, complex } = this.posInfoStore.entity()!;
      return `${name} (${businessActivity.name} - ${complex.name})`;
    }
    return '';
  });

  preparePrint = async () => {
    if (this.invoice) {
      const mustPrintConfig = await this.service.getVisibleItems();

      const defaultPrintItems = [
        {
          title: 'اطلاعات صورت‌حساب',
          items: [
            {
              label: 'شماره',
              value: this.invoice.invoice_number.toString(),
              show: true,
            },
            {
              label: 'شماره منحصر به فرد مالیاتی',
              value: this.invoice.tax_id || '-',
              show: true,
            },
            {
              label: 'نوع',
              value: this.invoice.type.translate,
              show: mustPrintConfig.invoice_template,
            },
            {
              label: 'موضوع',
              value: this.invoice.pos.complex.business_activity.guild.name,
              show: mustPrintConfig.invoice_template ?? true,
            },
            {
              label: 'تاریخ',
              value: formatJalali(this.invoice.invoice_date),
              show: true,
            },
            {
              label: 'وضعیت صدور',
              value: this.invoice.status.translate,
              show: mustPrintConfig.show_payment_info ?? true,
            },
          ].filter((item) => item.show),
        },
        {
          title: `اطلاعات فروشنده`,
          items: [
            {
              label: 'فروشگاه',
              value: this.invoice.pos.complex.business_activity.name,
              show: mustPrintConfig.business_name,
            },
            {
              label: 'شعبه',
              value: this.invoice.pos.complex.name,
              show: mustPrintConfig.complex_name,
            },
            {
              label: 'پایانه‌ فروش',
              value: this.invoice.pos.name,
              show: mustPrintConfig.pos_name,
            },
            {
              label: 'شماره اقتصادی',
              value: this.invoice.pos.complex.business_activity.economic_code,
              show: mustPrintConfig.economic_code,
            },
          ].filter((item) => item.show),
        },
        {
          title: `اطلاعات خریدار`,
          items: [
            {
              label: 'نام خریدار',
              value:
                (this.invoice.customer
                  ? this.invoice.customer.type === 'LEGAL'
                    ? this.invoice.customer.legal?.company_name
                    : `${this.invoice.customer.individual?.first_name} ${this.invoice.customer.individual?.last_name}`
                  : this.invoice.unknown_customer?.name) || '-',
              show: mustPrintConfig.customer_name,
            },
            {
              label: 'شماره اقتصادی',
              value:
                (this.invoice.customer
                  ? this.invoice.customer.type === 'LEGAL'
                    ? this.invoice.customer.legal?.economic_code
                    : this.invoice.customer.individual?.economic_code || '-'
                  : '-') || '-',
              show: mustPrintConfig.customer_economic_code,
            },
          ].filter((item) => item.show),
        },
      ].filter((item) => item.items.length);

      if (mustPrintConfig.show_items) {
        for (let item of this.invoice.items) {
          defaultPrintItems.push({
            title: 'جزییات صورت‌حساب',
            items: [
              {
                label: 'شرح',
                value: item.good_snapshot.name,
                show: mustPrintConfig.item_name ?? true,
              },
              {
                label: 'شناسه کالا / خدمت',
                value: item.sku_code,
                show: mustPrintConfig.item_sku ?? true,
              },
              {
                label: 'تعداد / مقدار',
                value: `${item.quantity} ${item.measure_unit_text}`,
                show: mustPrintConfig.item_quantity ?? true,
              },
              {
                label: 'قیمت واحد',
                value: formatWithCurrency(item.unit_price),
                show: mustPrintConfig.item_base_amount ?? true,
              },
              {
                label: 'اجرت',
                value: formatWithCurrency(item.payload.wages),
                show:
                  (mustPrintConfig.item_wage ?? true) &&
                  item.good_snapshot.pricing_model === 'GOLD',
              },
              {
                label: 'سود',
                value: formatWithCurrency(item.payload.profit),
                show:
                  (mustPrintConfig.item_profit ?? true) &&
                  item.good_snapshot.pricing_model === 'GOLD',
              },
              {
                label: 'حق‌العمل',
                value: formatWithCurrency(item.payload.commission),
                show:
                  (mustPrintConfig.item_commission ?? true) &&
                  item.good_snapshot.pricing_model === 'GOLD',
              },
              {
                label: 'مالیات بر ارزش افزوده',
                value: formatWithCurrency(item.tax_amount),
                show: mustPrintConfig.item_tax ?? true,
              },
              {
                label: 'تخفیف',
                value: formatWithCurrency(item.discount_amount),
                show: mustPrintConfig.item_discount ?? true,
              },
              {
                label: 'مبلغ کل',
                value: formatWithCurrency(item.total_amount),
                show: mustPrintConfig.item_total_amount ?? true,
              },
            ],
          });
        }
      }

      console.log(defaultPrintItems);

      return defaultPrintItems;
    }
    return null;
  };

  printInvoice = async () => {
    try {
      const printItems = await this.preparePrint();

      if (printItems) {
        this.nativeBridge.print(printItems);
      }
    } catch (error) {
      return this.toastService.error({
        text: 'چاپ صورت‌حساب با خطا مواجه شد. لطفا دوباره تلاش کنید.',
      });
    }
  };

  refresh() {
    this.onRefresh.emit();
  }

  private mapCorrectionRequest(event: CorrectionInvoiceFormValue): ICorrectionRequest {
    const items = (event.items || []).map(({ id, pricing_model, ...item }) => item);

    const total_amount = items.reduce((sum, item) => sum + Number(item.total_amount || 0), 0);
    const discount_amount = items.reduce((sum, item) => sum + Number(item.discount_amount || 0), 0);
    const tax_amount = items.reduce((sum, item) => sum + Number(item.tax_amount || 0), 0);

    return {
      invoice_date: event.invoice_date,
      items,
      total_amount,
      discount_amount,
      tax_amount,
    };
  }

  correctionSubmit(event: CorrectionInvoiceFormValue) {
    this.sendCorrection(this.mapCorrectionRequest(event));
  }

  private mapReturnFromSaleRequest(event: ReturnFromSaleFormValue): IPosReturnFromSaleRequest {
    const invoiceItems = this.invoice?.items || [];
    const itemMap = new Map(invoiceItems.map((item) => [item.id, item]));

    const items: IPosOrderItem[] = (event.items || [])
      .map((item) => {
        const source = itemMap.get(item.id);
        if (!source) return null;

        const quantity = Number(item.quantity || 0);
        const unit_price = Number(source.unit_price || 0);
        const discount_amount = Number(source.discount_amount || 0);
        const base_total_amount = unit_price * quantity;
        const total_amount = Number(source.total_amount || 0);
        const tax_amount = Number(source.tax_amount || 0);

        return {
          good_id: source.good_id,
          service_id: source.service_id || undefined,
          quantity,
          unit_price,
          discount_amount,
          base_total_amount,
          total_amount,
          tax_amount,
          measure_unit: source.good_snapshot.measure_unit,
          payload: source.payload as any,
          notes: source.notes,
          image_url: source.good_snapshot.image_url,
        } as IPosOrderItem;
      })
      .filter((item): item is IPosOrderItem => !!item);

    return {
      invoice_date: this.invoice?.invoice_date || '',
      items,
      total_amount: items.reduce((sum, item) => sum + Number(item.total_amount || 0), 0),
      discount_amount: items.reduce((sum, item) => sum + Number(item.discount_amount || 0), 0),
      tax_amount: items.reduce((sum, item) => sum + Number(item.tax_amount || 0), 0),
    };
  }

  returnSubmit(event: ReturnFromSaleFormValue) {
    this.sendReturnFromSale(this.mapReturnFromSaleRequest(event));
  }

  backToPrevPage() {
    this.navigationService.back(this.backRoute);
  }
  showQrCode() {
    this.showQrCodeDialog.set(true);
  }
}