"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 { Loader } from "lucide-react"

import { Button } from "@/components/ui/button"
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form"
import {
  Sheet,
  SheetClose,
  SheetContent,
  SheetDescription,
  SheetFooter,
  SheetHeader,
  SheetTitle,
} from "@/components/ui/sheet"
import { Input } from "@/components/ui/input"
import { Switch } from "@/components/ui/switch"
import { updatePaymentTerm } from "../service"
import { paymentTerms } from "@/db/schema/procurementRFQ"

const updatePaymentTermSchema = z.object({
  code: z.string().min(1, "코드는 필수입니다."),
  description: z.string().min(1, "설명은 필수입니다."),
  isActive: z.boolean().default(true),
})

type UpdatePaymentTermSchema = z.infer<typeof updatePaymentTermSchema>

interface PaymentTermsEditSheetProps {
  open: boolean
  onOpenChange: (open: boolean) => void
  data: typeof paymentTerms.$inferSelect | null
  onSuccess: () => void
}

export function PaymentTermsEditSheet({
  open,
  onOpenChange,
  data,
  onSuccess,
}: PaymentTermsEditSheetProps) {
  const [isUpdatePending, startUpdateTransition] = React.useTransition()

  const form = useForm<UpdatePaymentTermSchema>({
    resolver: zodResolver(updatePaymentTermSchema),
    defaultValues: {
      code: data?.code ?? "",
      description: data?.description ?? "",
      isActive: data?.isActive ?? true,
    },
    mode: "onChange"
  })

  React.useEffect(() => {
    if (data) {
      form.reset({
        code: data.code,
        description: data.description,
        isActive: data.isActive,
      })
    }
  }, [data, form])

  async function onSubmit(input: UpdatePaymentTermSchema) {
    if (!data) return

    startUpdateTransition(async () => {
      try {
        await updatePaymentTerm(data.code, input)
        toast.success("결제 조건이 성공적으로 수정되었습니다.")
        onSuccess()
        onOpenChange(false)
      } catch (error) {
        console.error("Update error:", error)
        toast.error("결제 조건 수정 중 오류가 발생했습니다.")
      }
    })
  }

  return (
    <Sheet open={open} onOpenChange={onOpenChange}>
      <SheetContent className="flex flex-col gap-6 sm:max-w-md">
        <SheetHeader className="text-left">
          <SheetTitle>결제 조건 수정</SheetTitle>
          <SheetDescription>
            결제 조건 정보를 수정하고 변경사항을 저장하세요
          </SheetDescription>
        </SheetHeader>
        <Form {...form}>
          <form onSubmit={form.handleSubmit(onSubmit)} className="flex flex-col gap-4">
            <FormField
              control={form.control}
              name="code"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>코드</FormLabel>
                  <FormControl>
                    <Input {...field} />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="description"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>설명</FormLabel>
                  <FormControl>
                    <Input {...field} />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />
            <FormField
              control={form.control}
              name="isActive"
              render={({ field }) => (
                <FormItem className="flex flex-row items-center justify-between rounded-lg border p-4">
                  <div className="space-y-0.5">
                    <FormLabel>활성화</FormLabel>
                  </div>
                  <FormControl>
                    <Switch
                      checked={field.value}
                      onCheckedChange={field.onChange}
                    />
                  </FormControl>
                </FormItem>
              )}
            />
            <SheetFooter className="gap-2 pt-2 sm:space-x-0">
              <SheetClose asChild>
                <Button type="button" variant="outline">
                  취소
                </Button>
              </SheetClose>
              <Button 
                type="submit" 
                disabled={isUpdatePending || !form.formState.isValid}
              >
                {isUpdatePending && (
                  <Loader
                    className="mr-2 size-4 animate-spin"
                    aria-hidden="true"
                  />
                )}
                저장
              </Button>
            </SheetFooter>
          </form>
        </Form>
      </SheetContent>
    </Sheet>
  )
} 