import { QUERY_CONSTANTS } from '@/common/queryConstants'
import { SharedSaleInvoicePaginationService } from '@/common/services/saleInvoices/sale-invoice-pagination.service'
import { translateEnumValue } from '@/common/utils'
import { TspProviderResponseStatus } from '@/generated/prisma/enums'
import { SalesInvoiceWhereInput } from '@/generated/prisma/models'
import { PrismaService } from '@/prisma/prisma.service'
import { Injectable, NotFoundException } from '@nestjs/common'
import { ResponseMapper } from 'common/response/response-mapper'

@Injectable()
export class CustomerSaleInvoicesService {
  constructor(
    private readonly prisma: PrismaService,
    private readonly sharedSaleInvoicePaginationService: SharedSaleInvoicePaginationService,
  ) {}

  async findAll(
    consumer_id: string,
    customer_id: string,
    requestedPage = 1,
    requestedPerPage = 10,
  ) {
    const { page, perPage, skip, take } =
      this.sharedSaleInvoicePaginationService.normalize(requestedPage, requestedPerPage)

    const salesWhere: SalesInvoiceWhereInput = {
      customer_id,
      pos: {
        complex: {
          business_activity: {
            consumer_id,
          },
        },
      },
    }

    const [saleInvoices, total] = await this.prisma.$transaction(async tx => [
      await tx.salesInvoice.findMany({
        where: salesWhere,
        select: {
          ...QUERY_CONSTANTS.SALE_INVOICE.summarySelect,
          pos: {
            select: {
              name: true,
              complex: {
                select: {
                  name: true,
                  business_activity: {
                    select: {
                      name: true,
                    },
                  },
                },
              },
            },
          },
          _count: {
            select: {
              items: true,
            },
          },
        },
        skip,
        take,
      }),
      await tx.salesInvoice.count({
        where: salesWhere,
      }),
    ])

    const mappedAccounts = saleInvoices.map(saleInvoice => {
      const { _count, consumer_account, last_tsp_status, ...rest } = saleInvoice
      return {
        ...rest,
        items_count: _count.items,
        status: translateEnumValue('TspProviderResponseStatus', last_tsp_status),
      }
    })

    return ResponseMapper.paginate(mappedAccounts, {
      total,
      page,
      perPage,
    })
  }

  async findOne(consumer_id: string, customer_id: string, id: string) {
    const invoice = await this.prisma.salesInvoice.findUnique({
      where: {
        id,
        customer_id,
        pos: {
          complex: {
            business_activity: {
              consumer_id,
            },
          },
        },
      },
      select: {
        ...QUERY_CONSTANTS.SALE_INVOICE.select,
      },
    })

    if (invoice) {
      const { type, ...rest } = invoice
      const mappedInvoice = {
        ...rest,
        type: translateEnumValue('TspProviderRequestType', type),
        status: translateEnumValue(
          'TspProviderResponseStatus',
          invoice.last_tsp_status || TspProviderResponseStatus.NOT_SEND,
        ),
        settlement_type: translateEnumValue(
          'InvoiceSettlementType',
          invoice.settlement_type,
        ),
      }
      return ResponseMapper.single(mappedInvoice)
    }
    throw new NotFoundException('صورت‌حساب مورد نظر شما یافت نشد.')
  }
}