"use client"

import * as React from "react"
import { zodResolver } from "@hookform/resolvers/zod"
import { useForm } from "react-hook-form"
import { toast } from "sonner"
import * as z from "zod"
import { Plus } from "lucide-react"

import { Button } from "@/components/ui/button"
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from "@/components/ui/dialog"
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form"
import { Input } from "@/components/ui/input"

import { createComboBoxOption } from "../service"

const createOptionSchema = z.object({
  code: z.string().min(1, "코드는 필수입니다."),
  description: z.string().default(""),
  remark: z.string().optional(),
})

type CreateOptionSchema = z.infer<typeof createOptionSchema>

interface ComboBoxOptionsAddDialogProps {
  codeGroupId: number
  onSuccess?: () => void
}

export function ComboBoxOptionsAddDialog({ codeGroupId, onSuccess }: ComboBoxOptionsAddDialogProps) {
  const [open, setOpen] = React.useState(false)
  const [isPending, startTransition] = React.useTransition()

  const form = useForm<CreateOptionSchema>({
    resolver: zodResolver(createOptionSchema),
    defaultValues: {
      code: "",
      description: "",
      remark: "",
    },
  })

  // 코드 입력 시 자동으로 description에 반영
  const handleCodeChange = (value: string) => {
    form.setValue("code", value)
    form.setValue("description", value) // 코드값을 description에도 자동 설정
  }

  const handleSubmit = (data: CreateOptionSchema) => {
    startTransition(async () => {
      try {
        const result = await createComboBoxOption({
          codeGroupId,
          code: data.code,
          description: data.description || data.code, // description이 비어있으면 code 사용
          remark: data.remark,
        })

        if (result.success) {
          toast.success("옵션이 성공적으로 추가되었습니다.")
          setOpen(false)
          form.reset()
          onSuccess?.()
        } else {
          toast.error(`옵션 추가 실패: ${result.error}`)
        }
      } catch (error) {
        console.error("Create error:", error)
        toast.error("옵션 추가 중 오류가 발생했습니다.")
      }
    })
  }

  const handleCancel = () => {
    setOpen(false)
    form.reset()
  }

  return (
    <Dialog open={open} onOpenChange={setOpen}>
      <DialogTrigger asChild>
        <Button variant="outline" size="sm">
          <Plus className="mr-2 h-4 w-4" />
          옵션 추가
        </Button>
      </DialogTrigger>
      <DialogContent>
        <DialogHeader>
          <DialogTitle>옵션 추가</DialogTitle>
          <DialogDescription>
            새로운 Combo Box 옵션을 추가합니다.
          </DialogDescription>
        </DialogHeader>
        <Form {...form}>
          <form onSubmit={form.handleSubmit(handleSubmit)} className="space-y-4">
            <FormField
              control={form.control}
              name="code"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>코드</FormLabel>
                  <FormControl>
                    <Input 
                      {...field} 
                      placeholder="옵션 코드" 
                      onChange={(e) => handleCodeChange(e.target.value)}
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="description"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>Description</FormLabel>
                  <FormControl>
                    <Input {...field} placeholder="옵션 설명" />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="remark"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>비고</FormLabel>
                  <FormControl>
                    <Input {...field} placeholder="비고 (선택사항)" />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <DialogFooter>
              <Button type="button" variant="outline" onClick={handleCancel}>
                취소
              </Button>
              <Button type="submit" disabled={isPending || !form.formState.isValid}>
                추가
              </Button>
            </DialogFooter>
          </form>
        </Form>
      </DialogContent>
    </Dialog>
  )
} 