import { CustomerType } from '@/generated/prisma/enums'
import { SaleInvoiceTspAttemptsUpdateInput } from '@/generated/prisma/models'
import { PrismaService } from '@/prisma/prisma.service'
import { BadRequestException, NotFoundException } from '@nestjs/common'
import {
  Prisma,
  TspProviderRequestType,
  TspProviderResponseStatus,
} from 'generated/prisma/client'
import {
  goldTypePayload,
  TspProviderGetResponseDto,
  TspProviderOriginalResponseDto,
  TspProviderOriginalSendPayloadDto,
  TspProviderReturnSendPayloadDto,
  TspProviderRevokePayloadDto,
} from '../dto'
import { TspProviderCorrectionSendPayloadDto } from '../dto/correction.dto'
import { TspProviderActionResponseDto } from '../dto/provider-switch.dto'

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

  const invoice = await prisma.salesInvoice.findFirst({
    where: {
      id: invoice_id,
    },
    select: {
      type: true,
      last_attempt_no: true,
      last_tsp_status: true,
    },
    orderBy: {
      created_at: 'desc',
    },
  })

  if (invoice) {
    const { last_attempt_no, type, last_tsp_status } = invoice
    attemptNumber = (last_attempt_no ?? 0) + 1

    if (type !== TspProviderRequestType.ORIGINAL) {
      throw new BadRequestException(
        'فقط ‌صورت‌حساب‌های اصلی قابل ارسال مجدد به سامانه مالیاتی هستند.',
      )
    }

    if (last_tsp_status === TspProviderResponseStatus.SUCCESS) {
      throw new BadRequestException(
        'صورت‌حساب تایید شده از طرف سازمان مالیاتی قابل ارسال مجدد نیست.',
      )
    }
    if (last_tsp_status === TspProviderResponseStatus.QUEUED) {
      throw new BadRequestException(
        'در حال حاضر صورت‌حساب شما در صف ارسال به سازمان مالیاتی است.',
      )
    }
    if (last_tsp_status === TspProviderResponseStatus.FISCAL_QUEUED) {
      throw new BadRequestException(
        'در حال حاضر صورت‌حساب شما در حال بررسی توسط سازمان مالیاتی است.',
      )
    }
  } else throw new NotFoundException('صورت‌حساب مورد نظر یافت نشد.')

  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('صورت‌حساب 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,
  pos_id: string,
): Promise<TspProviderCorrectionSendPayloadDto> {
  const invoice = await tx.salesInvoice.findUnique({
    where: {
      id: invoice_id,
      pos_id,
    },
    select: {
      id: true,
      code: true,
      total_amount: true,
      invoice_date: true,
      invoice_number: true,
      settlement_type: true,
      discount_amount: true,
      tax_amount: 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,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
      unknown_customer: true,
      customer: {
        select: {
          type: true,
          individual: true,
          legal: true,
        },
      },
      payments: {
        include: {
          terminal_info: true,
        },
      },
      reference_invoice: {
        select: {
          tax_id: true,
          id: true,
        },
      },
    },
  })

  if (!invoice) {
    throw Error()
  }

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

  const unknown_customer = (invoice.unknown_customer || {}) as Record<string, string>

  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_amount: Number(item.discount_amount),
      tax_amount: Number(item.tax_amount),
      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,
      terminal_info: {
        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),
    discount_amount: Number(invoice.discount_amount),
    tax_amount: Number(invoice.tax_amount),
    last_tax_id: invoice.reference_invoice!.tax_id!,
    invoice_number: invoice.invoice_number,
    id: invoice.id,
    economic_code: invoice.pos.complex.business_activity.economic_code,
    fiscal_id: invoice.pos.complex.business_activity.fiscal_id,
    token: invoice.pos.complex.business_activity.partner_token,
    tsp_provider: partner.tsp_provider!,
    template: invoice.pos.complex.business_activity.guild.invoice_template,
    invoice_date: invoice?.invoice_date
      ? new Date(invoice.invoice_date)
      : invoice.invoice_date,
    settlement_type: invoice.settlement_type,

    customer:
      invoice.customer && invoice.customer.type !== 'UNKNOWN'
        ? {
            type: invoice.customer.type,
            legal_info: invoice.customer.legal
              ? {
                  name: invoice.customer.legal.name ?? undefined,
                  registration_number:
                    invoice.customer.legal.registration_number ?? undefined,
                  postal_code: invoice.customer.legal.postal_code ?? undefined,
                  economic_code: invoice.customer.legal.economic_code ?? undefined,
                }
              : undefined,
            individual_info: invoice.customer.individual
              ? {
                  first_name: invoice.customer.individual.first_name ?? undefined,
                  last_name: invoice.customer.individual.last_name ?? undefined,
                  national_id: invoice.customer.individual.national_id ?? undefined,
                  mobile_number: invoice.customer.individual.mobile_number ?? undefined,
                  postal_code: invoice.customer.individual.postal_code ?? undefined,
                  economic_code: invoice.customer.individual.economic_code ?? undefined,
                }
              : undefined,
          }
        : {
            type: CustomerType.UNKNOWN,
            unknown_info: {
              name: unknown_customer?.name || '',
              economic_code: unknown_customer?.economic_code || '',
            },
          },
  }
}

export async function buildReturnFromSalePayload(
  prisma: PrismaService,
  invoiceId: string,
  posId: string,
): Promise<TspProviderReturnSendPayloadDto> {
  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,
      settlement_type: true,
      discount_amount: true,
      tax_amount: true,
      tax_id: 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,
          discount_amount: true,
          tax_amount: 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,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
      unknown_customer: true,
      customer: {
        select: {
          type: true,
          individual: true,
          legal: true,
        },
      },
      payments: {
        select: {
          amount: true,
          payment_method: true,
          paid_at: true,
          terminal_info: {
            select: {
              stan: true,
              rrn: true,
              transaction_date_time: true,
              customer_card_no: true,
              terminal_id: true,
            },
          },
        },
      },
      reference_invoice: {
        select: {
          tax_id: true,
        },
      },
    },
  })

  if (!invoice) {
    throw new NotFoundException('صورت‌حساب مورد نظر یافت نشد.')
  }
  if (!invoice.reference_invoice) {
    throw new NotFoundException('صورت‌حساب مرجع برای برگشت از فروش یافت نشد.')
  }

  const {
    pos,
    id,
    invoice_number,
    invoice_date,
    total_amount,
    discount_amount,
    tax_amount,
    settlement_type,
  } = invoice
  const { business_activity: ba } = pos.complex

  const unknown_customer = (invoice.unknown_customer || {}) as Record<string, string>

  const { partner } = (ba.consumer.legal || ba.consumer.individual)!

  return {
    id,
    invoice_number,
    invoice_date,
    settlement_type,
    total_amount: Number(total_amount),
    tax_amount: Number(tax_amount),
    discount_amount: Number(discount_amount),
    economic_code: ba.economic_code,
    fiscal_id: ba.fiscal_id,
    template: ba.guild.invoice_template,
    token: ba.partner_token,
    tsp_provider: partner.tsp_provider!,
    last_tax_id: invoice.reference_invoice.tax_id!,

    payments: invoice.payments.map(payment => ({
      amount: Number(payment.amount),
      payment_method: payment.payment_method,
      paid_at: payment.paid_at,
      terminal_info: {
        card_number: payment.terminal_info?.customer_card_no
          ? payment.terminal_info.customer_card_no
          : undefined,
        tracking_code: payment.terminal_info ? payment.terminal_info.rrn : undefined,
      },
    })),
    customer:
      invoice.customer && invoice.customer.type !== CustomerType.UNKNOWN
        ? {
            type: invoice.customer.type,
            legal_info: invoice.customer.legal
              ? {
                  name: invoice.customer.legal.name ?? undefined,
                  registration_number:
                    invoice.customer.legal.registration_number ?? undefined,
                  postal_code: invoice.customer.legal.postal_code ?? undefined,
                  economic_code: invoice.customer.legal.economic_code ?? undefined,
                }
              : undefined,
            individual_info: invoice.customer.individual
              ? {
                  first_name: invoice.customer.individual.first_name ?? undefined,
                  last_name: invoice.customer.individual.last_name ?? undefined,
                  national_id: invoice.customer.individual.national_id ?? undefined,
                  mobile_number: invoice.customer.individual.mobile_number ?? undefined,
                  postal_code: invoice.customer.individual.postal_code ?? undefined,
                  economic_code: invoice.customer.individual.economic_code ?? undefined,
                }
              : undefined,
          }
        : {
            type: CustomerType.UNKNOWN,
            unknown_info: {
              name: unknown_customer?.name || '',
              economic_code: unknown_customer?.economic_code || '',
            },
          },
    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),
      tax_amount: Number(tax_amount),
      discount_amount: Number(discount_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,
      good_snapshot: item.good_snapshot,
      gold_type_payload: isGoldTypePayload(item.payload) ? item.payload : undefined,
    })),
  }
}

export async function buildOriginalPayload(
  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,
      settlement_type: true,
      discount_amount: true,
      tax_amount: 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,
          discount_amount: true,
          tax_amount: 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,
                            },
                          },
                        },
                      },
                    },
                  },
                },
              },
            },
          },
        },
      },
      unknown_customer: true,
      customer: {
        select: {
          type: true,
          individual: true,
          legal: true,
        },
      },
      payments: {
        select: {
          amount: true,
          payment_method: true,
          paid_at: true,
          terminal_info: {
            select: {
              stan: true,
              rrn: true,
              transaction_date_time: true,
              customer_card_no: true,
              terminal_id: true,
            },
          },
        },
      },
    },
  })

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

  const {
    pos,
    id,
    invoice_number,
    invoice_date,
    total_amount,
    discount_amount,
    tax_amount,
    settlement_type,
  } = invoice
  const { business_activity: ba } = pos.complex

  const unknown_customer = (invoice.unknown_customer || {}) as Record<string, string>

  const { partner } = (ba.consumer.legal || ba.consumer.individual)!

  return {
    id,
    invoice_number,
    invoice_date,
    settlement_type,
    total_amount: Number(total_amount),
    tax_amount: Number(tax_amount),
    discount_amount: Number(discount_amount),
    economic_code: ba.economic_code,
    fiscal_id: ba.fiscal_id,
    template: ba.guild.invoice_template,
    token: ba.partner_token,
    tsp_provider: partner.tsp_provider!,

    payments: invoice.payments.map(payment => ({
      amount: Number(payment.amount),
      payment_method: payment.payment_method,
      paid_at: payment.paid_at,
      terminal_info: {
        card_number: payment.terminal_info?.customer_card_no
          ? payment.terminal_info.customer_card_no
          : undefined,
        tracking_code: payment.terminal_info ? payment.terminal_info.rrn : undefined,
      },
    })),
    customer:
      invoice.customer && invoice.customer.type !== CustomerType.UNKNOWN
        ? {
            type: invoice.customer.type,
            legal_info: invoice.customer.legal
              ? {
                  name: invoice.customer.legal.name ?? undefined,
                  registration_number:
                    invoice.customer.legal.registration_number ?? undefined,
                  postal_code: invoice.customer.legal.postal_code ?? undefined,
                  economic_code: invoice.customer.legal.economic_code ?? undefined,
                }
              : undefined,
            individual_info: invoice.customer.individual
              ? {
                  first_name: invoice.customer.individual.first_name ?? undefined,
                  last_name: invoice.customer.individual.last_name ?? undefined,
                  national_id: invoice.customer.individual.national_id ?? undefined,
                  mobile_number: invoice.customer.individual.mobile_number ?? undefined,
                  postal_code: invoice.customer.individual.postal_code ?? undefined,
                  economic_code: invoice.customer.individual.economic_code ?? undefined,
                }
              : undefined,
          }
        : {
            type: CustomerType.UNKNOWN,
            unknown_info: {
              name: unknown_customer?.name || '',
              economic_code: unknown_customer?.economic_code || '',
            },
          },
    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),
      tax_amount: Number(tax_amount),
      discount_amount: Number(discount_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,
      good_snapshot: item.good_snapshot,
      gold_type_payload: isGoldTypePayload(item.payload) ? item.payload : undefined,
    })),
  }
}

export async function getRelatedInvoiceForCorrection(
  tx: Prisma.TransactionClient,
  ref_invoice_id: string,
) {
  const relatedInvoice = await getRelatedInvoiceForModification(tx, ref_invoice_id)
  return relatedInvoice
}

export async function getRelatedInvoiceForModification(
  tx: Prisma.TransactionClient,
  ref_invoice_id: string,
) {
  const relatedInvoice = await tx.salesInvoice.findUnique({
    where: {
      id: ref_invoice_id,
    },
    include: {
      customer: {
        select: {
          type: true,
        },
      },
      payments: {
        select: {},
      },
      tsp_attempts: {
        orderBy: {
          attempt_no: 'desc',
        },
        take: 1,
      },
    },
  })

  if (!relatedInvoice) {
    throw new NotFoundException('صورت‌حساب مورد نظر یافت نشد.')
  }

  if (relatedInvoice.type === TspProviderRequestType.REVOKE) {
    throw new BadRequestException(
      'صورت‌حساب ارسالی قبلا ابطال شده است و امکان ویرایش آن وجود ندارد.',
    )
  }

  if (
    !relatedInvoice.tax_id ||
    relatedInvoice.tsp_attempts?.[0].status !== TspProviderResponseStatus.SUCCESS
  ) {
    throw new BadRequestException(
      'صورت‌حساب قبلی همچنان در حال بررسی است و امکان اصلاح آن وجود ندارد.',
    )
  }

  return relatedInvoice
}

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

export async function onResult(
  prisma: PrismaService,
  result: TspProviderOriginalResponseDto | TspProviderGetResponseDto,
  invoice_id: string,
): Promise<TspProviderActionResponseDto> {
  let attemptUpdatedData: SaleInvoiceTspAttemptsUpdateInput = {}

  console.log('attempt', result)

  const resultMessage = result.message

  if (result) {
    attemptUpdatedData = {
      provider_request_payload: result['provider_request_payload']
        ? JSON.parse(JSON.stringify(result['provider_request_payload']))
        : undefined,
      status: result.status,
      received_at: result.received_at || new Date().toISOString(),
      message: resultMessage
        ? resultMessage
        : result.hasError
          ? 'وجود مشکل در ارسال به سامانه مالیاتی'
          : 'صورت‌حساب با موفقیت به سامانه مالیاتی ارسال شد.',
      invoice: {
        update: {
          tax_id: result['tax_id'] ? result['tax_id'] : undefined,
        },
      },
      error_message: result.error_message || undefined,
    }
    if (result.provider_response) {
      attemptUpdatedData.provider_response = JSON.parse(
        JSON.stringify(result.provider_response),
      )
    }
    if (result.validation_errors) {
      attemptUpdatedData.validation_errors = JSON.parse(
        JSON.stringify(result.validation_errors),
      )
    }
    if (result.fiscal_warnings) {
      attemptUpdatedData.fiscal_warnings = JSON.parse(
        JSON.stringify(result.fiscal_warnings),
      )
    }
  } else {
    attemptUpdatedData = {
      status: TspProviderResponseStatus.SEND_FAILURE,
      message:
        'متاسفانه امکان ارسال صورت‌حساب به سیستم مالیاتی در حال حاضر وجود ندارد. لطفا بعدا تلاش کنید.',
      received_at: new Date().toISOString(),
    }
  }
  const invoice = await prisma.$transaction(async tx => {
    const lastAttempt = await tx.saleInvoiceTspAttempts.findFirst({
      where: { invoice_id },
      orderBy: { attempt_no: 'desc' },
      select: { id: true },
    })

    if (!lastAttempt) throw new NotFoundException('صورت‌حساب مورد نظر یافت نشد.')

    await tx.saleInvoiceTspAttempts.update({
      where: { id: lastAttempt.id },
      data: attemptUpdatedData,
    })

    console.log('attemptUpdatedData', attemptUpdatedData)

    const updatedInvoice = await tx.salesInvoice.update({
      where: { id: invoice_id },
      data: {
        last_tsp_status: attemptUpdatedData.status,
        last_attempt_no: attemptUpdatedData.attempt_no,
      },
    })
    return updatedInvoice
  })

  return {
    invoice,
    status: attemptUpdatedData.status as TspProviderResponseStatus,
    message: attemptUpdatedData.message as string,
  }
}

function isGoldTypePayload(value: unknown): value is goldTypePayload {
  return typeof value === 'object' && value !== null && !Array.isArray(value)
}