'use server';

import { redirect } from 'next/navigation';
import { createPrismaClient } from '@startover/database';
import { auth } from '@/lib/auth';
import { createStoreDraftService } from '@/services/store-service';
import type { CreateStoreDraftInput } from '@startover/domain';

export type StoreFormState = {
  error?: string;
  fieldValues?: {
    listingTitle?: string;
    regionClusterCode?: string;
    industryMajorCode?: string;
    industryLeafCode?: string;
    roadAddress?: string;
    depositAmount?: string;
    monthlyRentAmount?: string;
    premiumAmount?: string;
    remainingLeaseMonths?: string;
    monthlySalesAmount?: string;
    monthlyProfitAmount?: string;
    startupCostAmount?: string;
    listingDescription?: string;
    locationHighlight?: string;
    saleReason?: string;
    exclusiveAreaSqm?: string;
    floorLevel?: string;
    kitchenEquipmentSummary?: string;
  };
};

export async function createStoreDraftAction(
  _prevState: StoreFormState,
  formData: FormData,
): Promise<StoreFormState> {
  const listingTitle = (formData.get('listingTitle') as string | null)?.trim() ?? '';
  const regionClusterCode = (formData.get('regionClusterCode') as string | null) ?? '';
  const industryMajorCode = (formData.get('industryMajorCode') as string | null) ?? '';
  const industryLeafCode = (formData.get('industryLeafCode') as string | null) ?? '';
  const roadAddress = (formData.get('roadAddress') as string | null)?.trim() ?? '';
  const depositAmount = formData.get('depositAmount') as string | null;
  const monthlyRentAmount = formData.get('monthlyRentAmount') as string | null;
  const premiumAmount = formData.get('premiumAmount') as string | null;
  const remainingLeaseMonths = formData.get('remainingLeaseMonths') as string | null;
  const monthlySalesAmount = formData.get('monthlySalesAmount') as string | null;
  const monthlyProfitAmount = formData.get('monthlyProfitAmount') as string | null;
  const startupCostAmount = formData.get('startupCostAmount') as string | null;
  const listingDescription =
    (formData.get('listingDescription') as string | null)?.trim() ?? '';
  const locationHighlight =
    (formData.get('locationHighlight') as string | null)?.trim() ?? '';
  const saleReason = (formData.get('saleReason') as string | null)?.trim() ?? '';
  const exclusiveAreaSqm = formData.get('exclusiveAreaSqm') as string | null;
  const floorLevel = formData.get('floorLevel') as string | null;
  const kitchenEquipmentSummary =
    (formData.get('kitchenEquipmentSummary') as string | null)?.trim() ?? '';

  const fieldValues = {
    listingTitle,
    regionClusterCode,
    industryMajorCode,
    industryLeafCode,
    roadAddress,
    depositAmount: depositAmount ?? undefined,
    monthlyRentAmount: monthlyRentAmount ?? undefined,
    premiumAmount: premiumAmount ?? undefined,
    remainingLeaseMonths: remainingLeaseMonths ?? undefined,
    monthlySalesAmount: monthlySalesAmount ?? undefined,
    monthlyProfitAmount: monthlyProfitAmount ?? undefined,
    startupCostAmount: startupCostAmount ?? undefined,
    listingDescription,
    locationHighlight,
    saleReason,
    exclusiveAreaSqm: exclusiveAreaSqm ?? undefined,
    floorLevel: floorLevel ?? undefined,
    kitchenEquipmentSummary,
  };

  const session = await auth();
  if (!session?.user?.dbId) {
    return { error: '로그인이 필요합니다.', fieldValues };
  }

  const hasSale =
    premiumAmount ||
    monthlySalesAmount ||
    monthlyProfitAmount ||
    startupCostAmount ||
    listingDescription ||
    locationHighlight ||
    saleReason;

  const input: CreateStoreDraftInput = {
    ownerUserId: session.user.dbId,
    listingTitle,
    industryLeafCode,
    regionClusterCode,
    roadAddress,
    ...(depositAmount || monthlyRentAmount || premiumAmount || remainingLeaseMonths
      ? {
          lease: {
            depositAmount: depositAmount ? Number(depositAmount) : 0,
            monthlyRentAmount: monthlyRentAmount ? Number(monthlyRentAmount) : 0,
            premiumAmount: premiumAmount ? Number(premiumAmount) : 0,
            remainingLeaseMonths: remainingLeaseMonths
              ? parseInt(remainingLeaseMonths, 10)
              : undefined,
          },
        }
      : {}),
    ...(hasSale
      ? {
          sale: {
            premiumAmount: premiumAmount ? Number(premiumAmount) : undefined,
            monthlySalesAmount: monthlySalesAmount ? Number(monthlySalesAmount) : undefined,
            monthlyProfitAmount: monthlyProfitAmount ? Number(monthlyProfitAmount) : undefined,
            startupCostAmount: startupCostAmount ? Number(startupCostAmount) : undefined,
            listingDescription: listingDescription || undefined,
            locationHighlight: locationHighlight || undefined,
            saleReason: saleReason || undefined,
          },
        }
      : {}),
    ...(exclusiveAreaSqm || floorLevel || kitchenEquipmentSummary
      ? {
          facility: {
            exclusiveAreaSqm: exclusiveAreaSqm ? Number(exclusiveAreaSqm) : 0,
            seatCount: 0,
            floorLevel: floorLevel ? parseInt(floorLevel, 10) : undefined,
            kitchenEquipmentSummary: kitchenEquipmentSummary || undefined,
          },
        }
      : {}),
  };

  const prisma = createPrismaClient();
  const result = await createStoreDraftService(prisma, input);

  if (!result.ok) {
    return { error: result.error.message, fieldValues };
  }

  redirect(`/stores/${result.value.publicId}`);
}