import { ResponseMapper } from '@/common/response/response-mapper'
import { RedisKeyMaker } from '@/common/utils/redisKeyMaker'
import { GoodSelect } from '@/generated/prisma/models'
import { PrismaService } from '@/prisma/prisma.service'
import { RedisService } from '@/redis/redis.service'
import { Injectable } from '@nestjs/common'

@Injectable()
export class GoodsService {
  constructor(
    private prisma: PrismaService,
    private readonly redisService: RedisService,
  ) {}

  private readonly listCacheTtlSeconds = 300

  private readonly defaultSelect: GoodSelect = {
    id: true,
    name: true,
    barcode: true,
    created_at: true,
    description: true,
    sku: {
      select: {
        id: true,
        name: true,
        code: true,
        VAT: true,
      },
    },
    local_sku: true,
    is_default_guild_good: true,
    pricing_model: true,
    measure_unit: {
      select: {
        id: true,
        name: true,
      },
    },
    image_url: true,
    category: {
      select: {
        id: true,
        name: true,
        image_url: true,
      },
    },
  }

  async findAll(
    business_activity_id: string,
    guild_id: string,
    consumer_account_id: string,
  ) {
    const cacheKey = RedisKeyMaker.posGoodsList(business_activity_id, guild_id)
    return this.redisService.getAndSet(
      cacheKey,
      'list',
      async () => {
        const goods = await this.prisma.good.findMany({
          where: {
            OR: [
              {
                is_default_guild_good: true,
                category: {
                  guild_id,
                },
              },
              {
                business_activity_id,
              },
            ],
          },
          select: {
            ...this.defaultSelect,
            consumer_account_good_favorites: {
              where: {
                consumer_account_id,
              },
            },
          },
        })

        const mappedGoods = goods.map(good => ({
          ...good,
          is_favorite: good.consumer_account_good_favorites.length > 0,
        }))

        return mappedGoods
      },
      this.listCacheTtlSeconds,
    )
  }

  async findOne(good_id: string, business_activity_id: string, guild_id: string) {
    const good = await this.prisma.good.findUnique({
      where: {
        id: good_id,
        business_activity: {
          id: business_activity_id,
          guild_id,
        },
      },
      select: this.defaultSelect,
    })

    return ResponseMapper.single(good)
  }

  // async create(data: CreateGoodDto, business_activity_id: string, guild_id: string) {
  //   const { category_id, sku_id, measure_unit_id, ...rest } = data

  //   const dataToCreate = {
  //     ...rest,
  //     measure_unit: {
  //       connect: {
  //         id: measure_unit_id,
  //       },
  //     },
  //     sku: {
  //       connect: {
  //         id: sku_id,
  //       },
  //     },
  //     category: {
  //       connect: {
  //         id: category_id,
  //       },
  //     },
  //     business_activity: {
  //       connect: {
  //         id: business_activity_id,
  //       },
  //     },
  //   }

  //   const good = await this.prisma.good.create({
  //     data: {
  //       ...dataToCreate,
  //     },
  //     select: this.defaultSelect,
  //   })

  //   await this.posCacheInvalidationService.invalidatePosGoodsList(
  //     guild_id,
  //     business_activity_id,
  //   )

  //   return ResponseMapper.create(good)
  // }

  // async update(
  //   id: string,
  //   data: UpdateGoodDto,
  //   business_activity_id: string,
  //   guild_id: string,
  // ) {
  //   const { category_id, sku_id, measure_unit_id, ...rest } = data

  //   const good = await this.prisma.good.update({
  //     where: {
  //       id,
  //       business_activity_id,
  //     },
  //     data: {
  //       ...rest,
  //       ...(measure_unit_id
  //         ? {
  //             measure_unit: {
  //               connect: {
  //                 id: measure_unit_id,
  //               },
  //             },
  //           }
  //         : {}),
  //       ...(sku_id
  //         ? {
  //             sku: {
  //               connect: {
  //                 id: sku_id,
  //               },
  //             },
  //           }
  //         : {}),
  //       ...(category_id
  //         ? {
  //             category: {
  //               connect: {
  //                 id: category_id,
  //               },
  //             },
  //           }
  //         : {}),
  //     },
  //     select: this.defaultSelect,
  //   })

  //   await this.posCacheInvalidationService.invalidatePosGoodsList(
  //     guild_id,
  //     business_activity_id,
  //   )

  //   return ResponseMapper.update(good)
  // }
}