import { Injectable } from '@nestjs/common'
import { Todo, Prisma } from '@prisma/client'
import { PrismaService } from 'src/prisma.service'
import { TodoDTO } from './dtos/todo.dto'

@Injectable()
export class TodoService {
  todo: any
  constructor(private prismaService: PrismaService) {}

  //참고: https://intrepidgeeks.com/tutorial/05-instagram-clone-code-5-user-summary
  //전체조회
  async count(sql: any): Promise<number> {
    return this.prismaService.todo.count()
  }

  async fetchAll(sql: any): Promise<Todo[]> {
    return this.prismaService.todo.findMany(sql)
  }

  //단일 조회
  async fetchOne(id: number): Promise<Todo | undefined> {
    return this.prismaService.todo.findUnique({ where: { id: Number(id) } })
  }

  //단일 삭제
  async remove(id: number): Promise<Todo | undefined> {
    return this.prismaService.todo.delete({ where: { id: Number(id) } })
  }

  //단일 추가
  async add(data: Todo): Promise<Todo> {
    return this.prismaService.todo.create({ data: data })
  }

  //단일 수정
  async update(id: number, data: TodoDTO): Promise<Todo | undefined> {
    return this.prismaService.todo.update({
      where: { id: Number(id) },
      data: data
    })
  }
}