import { PrismaService } from '@/prisma/prisma.service'
import { BadRequestException, NotFoundException } from '@nestjs/common'
import { TspProviderCustomerType } from 'common/enums/enums'
import {
  Prisma,
  TspProviderRequestType,
  TspProviderResponseStatus,
} from 'generated/prisma/client'
import {
  TspProviderActionResponseDto,
  TspProviderCorrectionSendPayloadDto,
  TspProviderOriginalSendPayloadDto,
  TspProviderRevokePayloadDto,
  TspProviderSendItemResultDto,
} from '../dto/provider-switch.dto'

export async function getOriginalResendAttemptNumber(
  prisma: PrismaService,
  invoice_id: string,
): Promise<number> {
  let attemptNumber = 1

  const existingAttempt = await prisma.saleInvoiceTspAttempts.findFirst({
    where: {
      invoice_id,
    },
    include: {
      invoice: {
        select: {
          type: true,
        },
      },
    },
    orderBy: {
      created_at: 'desc',
    },
  })

  if (existingAttempt) {
    attemptNumber = existingAttempt.attempt_no + 1
    if (existingAttempt.invoice.type !== TspProviderRequestType.ORIGINAL) {
      throw new BadRequestException(
        'فقط فاکتورهای اصلی قابل ارسال مجدد به سامانه مالیاتی هستند.',
      )
    }

    if (existingAttempt.status === TspProviderResponseStatus.SUCCESS) {
      throw new BadRequestException(
        'فاکتور تایید شده از طرف سازمان مالیاتی قابل ارسال مجدد نیست.',
      )
    }
    if (existingAttempt.status === TspProviderResponseStatus.QUEUED) {
      throw new BadRequestException(
        'در حال حاضر فاکتور شما در حال بررسی توسط سازمان مالیاتی است.',
      )
    }
  }

  return attemptNumber
}

export async function buildRevokePayload(
  prisma: PrismaService,
  invoiceId: string,
  posId: string,
): Promise<TspProviderRevokePayloadDto> {
  const invoice = await prisma.salesInvoice.findUnique({
    where: {
      id: invoiceId,
      pos_id: posId,
    },
    select: {
      id: true,
      code: true,
      total_amount: true,
      invoice_date: true,
      invoice_number: true,
      tax_id: true,
      tsp_attempts: {
        orderBy: {
          created_at: 'asc',
        },
        take: 1,
        select: {
          id: true,
          status: true,
        },
      },
      pos: {
        select: {
          complex: {
            select: {
              business_activity: {
                select: {
                  fiscal_id: true,
                  economic_code: true,
                  partner_token: true,
                  guild: {
                    select: {
                      invoice_template: true,
                    },
                  },
                  consumer: {
                    select: {
                      legal: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                      individual: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
    },
  })

  if (!invoice) {
    throw new NotFoundException('فاکتور مورد نظر یافت نشد.')
  }

  const { partner } = (invoice.pos.complex.business_activity.consumer.legal ||
    invoice.pos.complex.business_activity.consumer.individual)!

  return {
    invoice_id: invoice.id,
    invoice_number: invoice.invoice_number,
    economic_code: invoice.pos.complex.business_activity.economic_code,
    fiscal_id: invoice.pos.complex.business_activity.fiscal_id,
    tsp_token: invoice.pos.complex.business_activity.partner_token,
    tsp_provider: partner.tsp_provider!,
    last_tax_id: invoice.tax_id!,
  }
}

export async function buildCorrectionPayload(
  tx: Prisma.TransactionClient,
  invoice_id: string,
): Promise<TspProviderCorrectionSendPayloadDto> {
  const invoice = await tx.salesInvoice.findUnique({
    where: {
      id: invoice_id,
    },
    select: {
      id: true,
      code: true,
      total_amount: true,
      invoice_date: true,
      invoice_number: true,
      items: true,
      pos: {
        select: {
          complex: {
            select: {
              business_activity: {
                select: {
                  fiscal_id: true,
                  economic_code: true,
                  partner_token: true,
                  guild: {
                    select: {
                      invoice_template: true,
                    },
                  },
                  consumer: {
                    select: {
                      legal: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                      individual: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
      customer: {
        select: {
          type: true,
          individual: true,
          legal: true,
        },
      },
      reference_invoice: {
        select: {
          tax_id: true,
        },
      },
      payments: {
        include: {
          terminal_info: true,
        },
      },
    },
  })

  if (!invoice) {
    throw Error()
  }

  const { partner } = (invoice.pos.complex.business_activity.consumer.legal ||
    invoice.pos.complex.business_activity.consumer.individual)!

  return {
    items: invoice.items.map(item => ({
      invoice_item_id: item.id,
      quantity: Number(item.quantity),
      unit_price: Number(item.unit_price),
      total_amount: Number(item.total_amount),
      measure_unit: item.measure_unit_code,
      sku: item.sku_code,
      sku_vat: String(item.sku_vat),
      discount: String((item.payload as Record<string, any>)?.discount || '0'),
      good_id: item.good_id,
      service_id: item.service_id,
      payload: item.payload,
      good_snapshot: item.good_snapshot,
    })),
    payments: invoice.payments.map(payment => ({
      amount: Number(payment.amount),
      payment_method: payment.payment_method,
      paid_at: payment.paid_at,
      card_number: payment.terminal_info ? payment.terminal_info.stan : undefined,
      tracking_code: payment.terminal_info ? payment.terminal_info.rrn : undefined,
    })),
    total_amount: Number(invoice.total_amount),
    last_tax_id: invoice.reference_invoice!.tax_id!,
    invoice_number: invoice.invoice_number,
    invoice_id: invoice.id,
    economic_code: invoice.pos.complex.business_activity.economic_code,
    fiscal_id: invoice.pos.complex.business_activity.fiscal_id,
    tsp_token: invoice.pos.complex.business_activity.partner_token,
    type: TspProviderRequestType.CORRECTION,
    tsp_provider: partner.tsp_provider!,
    invoice_template: invoice.pos.complex.business_activity.guild.invoice_template,
    invoice_date: new Date(),

    customer_type: invoice.customer?.type
      ? TspProviderCustomerType.KNOWN
      : TspProviderCustomerType.UNKNOWN,
    customer: invoice.customer?.type
      ? {
          type: invoice.customer.type,
          legal_info: invoice.customer.legal ?? undefined,
          individual_info: invoice.customer.individual ?? undefined,
        }
      : undefined,
  }
}

export async function buildPayload(
  prisma: PrismaService,
  invoiceId: string,
  posId: string,
): Promise<TspProviderOriginalSendPayloadDto> {
  const invoice = await prisma.salesInvoice.findUnique({
    where: {
      id: invoiceId,
      pos_id: posId,
    },
    select: {
      id: true,
      code: true,
      total_amount: true,
      invoice_date: true,
      invoice_number: true,
      items: {
        select: {
          id: true,
          quantity: true,
          unit_price: true,
          total_amount: true,
          measure_unit_code: true,
          measure_unit_text: true,
          sku_code: true,
          sku_vat: true,
          good_id: true,
          service_id: true,
          payload: true,
          good_snapshot: true,
        },
      },
      pos: {
        select: {
          complex: {
            select: {
              business_activity: {
                select: {
                  fiscal_id: true,
                  economic_code: true,
                  partner_token: true,
                  guild: {
                    select: {
                      invoice_template: true,
                    },
                  },
                  consumer: {
                    select: {
                      legal: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                      individual: {
                        select: {
                          partner: {
                            select: {
                              tsp_provider: true,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
      customer: {
        select: {
          type: true,
          individual: {
            select: {
              first_name: true,
              last_name: true,
              national_id: true,
              mobile_number: true,
            },
          },
          legal: {
            select: {
              name: true,
              economic_code: true,
            },
          },
        },
      },
      payments: {
        select: {
          amount: true,
          payment_method: true,
          paid_at: true,
          terminal_info: {
            select: {
              stan: true,
              rrn: true,
            },
          },
        },
      },
    },
  })

  if (!invoice) {
    throw new NotFoundException('فاکتور مورد نظر یافت نشد.')
  }

  const { partner } = (invoice.pos.complex.business_activity.consumer.legal ||
    invoice.pos.complex.business_activity.consumer.individual)!

  return {
    invoice_id: invoice.id,
    invoice_number: invoice.invoice_number,
    invoice_date: invoice.invoice_date,
    total_amount: Number(invoice.total_amount),
    economic_code: invoice.pos.complex.business_activity.economic_code,
    fiscal_id: invoice.pos.complex.business_activity.fiscal_id,
    invoice_template: invoice.pos.complex.business_activity.guild.invoice_template,
    tsp_token: invoice.pos.complex.business_activity.partner_token,
    payments: invoice.payments.map(payment => ({
      amount: Number(payment.amount),
      payment_method: payment.payment_method,
      paid_at: payment.paid_at,
      card_number: payment.terminal_info ? payment.terminal_info.stan : undefined,
      tracking_code: payment.terminal_info ? payment.terminal_info.rrn : undefined,
    })),
    type: TspProviderRequestType.ORIGINAL,
    tsp_provider: partner.tsp_provider!,
    customer_type: invoice.customer?.type
      ? TspProviderCustomerType.KNOWN
      : TspProviderCustomerType.UNKNOWN,
    customer: invoice.customer?.type
      ? {
          type: invoice.customer.type,
          legal_info: invoice.customer.legal ?? undefined,
          individual_info: invoice.customer.individual ?? undefined,
        }
      : undefined,
    items: invoice.items.map(item => ({
      invoice_item_id: item.id,
      quantity: Number(item.quantity),
      unit_price: Number(item.unit_price),
      total_amount: Number(item.total_amount),
      measure_unit: item.measure_unit_code,
      sku: item.sku_code,
      sku_vat: String(item.sku_vat),
      discount: String((item.payload as Record<string, any>)?.discount || '0'),
      good_id: item.good_id,
      service_id: item.service_id,
      payload: item.payload,
      good_snapshot: item.good_snapshot,
    })),
  }
}

export async function trySend(
  tspSwitchService: {
    send(
      payload: TspProviderOriginalSendPayloadDto,
    ): Promise<TspProviderSendItemResultDto | null>
  },
  payload: TspProviderOriginalSendPayloadDto,
): Promise<TspProviderSendItemResultDto | null> {
  return (await tspSwitchService.send(payload)) || null
}

export async function onResult(
  prisma: PrismaService,
  result: any,
  attempt_id: string,
): Promise<TspProviderActionResponseDto> {
  if (result) {
    if (result.hasError) {
      const updatedAttempt = await prisma.saleInvoiceTspAttempts.update({
        where: {
          id: attempt_id,
        },
        data: {
          provider_request_payload: result.provider_request_payload,
          provider_response_payload: JSON.parse(JSON.stringify(result)),
          status: result.status,
          sent_at: result.sent_at || new Date().toISOString(),
          received_at: result.received_at || new Date().toISOString(),
          message: result.message?.toString() || 'وجود مشکل در ارسال به سامانه مالیاتی',
        },
        select: {
          status: true,
          invoice: true,
          message: true,
        },
      })

      return {
        invoice: updatedAttempt.invoice,
        status: updatedAttempt.status,
        message: updatedAttempt.message,
      }
    }

    const updatedAttempt = await prisma.saleInvoiceTspAttempts.update({
      where: {
        id: attempt_id,
      },
      data: {
        provider_request_payload: result.provider_request_payload,
        provider_response_payload: JSON.parse(JSON.stringify(result)),
        status: result.status,
        sent_at: result.sent_at,
        received_at: result.received_at,
        message:
          result.message?.toString() || 'فاکتور با موفقیت به سامانه مالیاتی ارسال شد.',
      },
      select: {
        status: true,
        invoice: true,
        message: true,
      },
    })

    return {
      invoice: updatedAttempt.invoice,
      status: updatedAttempt.status,
      message: updatedAttempt.message,
    }
  }

  const updatedAttempt = await prisma.saleInvoiceTspAttempts.update({
    where: {
      id: attempt_id,
    },
    data: {
      provider_response_payload: {},
      status: TspProviderResponseStatus.FAILURE,
      message:
        'متاسفانه امکان ارسال فاکتور به سیستم مالیاتی در حال حاضر وجود ندارد. لطفا بعدا تلاش کنید.',
      received_at: new Date().toISOString(),
    },
    select: {
      status: true,
      invoice: true,
      message: true,
    },
  })

  return {
    invoice: updatedAttempt.invoice,
    status: updatedAttempt.status,
    message: updatedAttempt.message,
  }
}