"use client"

import * as React from "react"
import { useForm } from "react-hook-form"
import { zodResolver } from "@hookform/resolvers/zod"
import * as z from "zod"
import { Button } from "@/components/ui/button"
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog"
import {
  Form,
  FormControl,
  FormField,
  FormItem,
  FormLabel,
  FormMessage,
} from "@/components/ui/form"
import { Input } from "@/components/ui/input"
import { Textarea } from "@/components/ui/textarea"
import { Calendar } from "@/components/ui/calendar"
import {
  Popover,
  PopoverContent,
  PopoverTrigger,
} from "@/components/ui/popover"
import { CalendarIcon } from "lucide-react"
import { format } from "date-fns"
import { cn } from "@/lib/utils"
import { toast } from "sonner"
import { PcrPoData } from "@/lib/pcr/types"
import { createPcrPrAction } from "@/lib/pcr/actions"

const pcrPrSchema = z.object({
  materialNumber: z.string().min(1, "자재번호는 필수입니다"),
  materialDetails: z.string().optional(),
  quantityBefore: z.number().optional(),
  quantityAfter: z.number().optional(),
  weightBefore: z.number().optional(),
  weightAfter: z.number().optional(),
  subcontractorWeightBefore: z.number().optional(),
  subcontractorWeightAfter: z.number().optional(),
  supplierWeightBefore: z.number().optional(),
  supplierWeightAfter: z.number().optional(),
  specDrawingBefore: z.string().optional(),
  specDrawingAfter: z.string().optional(),
  initialPoContractDate: z.date().optional(),
  specChangeDate: z.date().optional(),
  poContractModifiedDate: z.date().optional(),
  confirmationDate: z.date().optional(),
  designManager: z.string().optional(),
})

type PcrPrFormData = z.infer<typeof pcrPrSchema>

interface CreatePcrPrDialogProps {
  open: boolean
  onOpenChange: (open: boolean) => void
  selectedPcrPo: PcrPoData | null
  onSuccess: () => void
}

export function CreatePcrPrDialog({
  open,
  onOpenChange,
  selectedPcrPo,
  onSuccess,
}: CreatePcrPrDialogProps) {
  const [isSubmitting, setIsSubmitting] = React.useState(false)

  const form = useForm<PcrPrFormData>({
    resolver: zodResolver(pcrPrSchema),
    defaultValues: {
      materialNumber: "",
      materialDetails: "",
      quantityBefore: undefined,
      quantityAfter: undefined,
      weightBefore: undefined,
      weightAfter: undefined,
      subcontractorWeightBefore: undefined,
      subcontractorWeightAfter: undefined,
      supplierWeightBefore: undefined,
      supplierWeightAfter: undefined,
      specDrawingBefore: "",
      specDrawingAfter: "",
      initialPoContractDate: undefined,
      specChangeDate: undefined,
      poContractModifiedDate: undefined,
      confirmationDate: undefined,
      designManager: "",
    },
  })

  const onSubmit = async (data: PcrPrFormData) => {
    if (!selectedPcrPo) {
      toast.error("선택된 PCR_PO가 없습니다")
      return
    }

    setIsSubmitting(true)
    try {
      const result = await createPcrPrAction({
        ...data,
        poContractNumber: selectedPcrPo.poContractNumber,
      })

      if (result.success) {
        toast.success("PCR_PR이 성공적으로 생성되었습니다")
        form.reset()
        onOpenChange(false)
        onSuccess()
      } else {
        toast.error(result.error || "PCR_PR 생성에 실패했습니다")
      }
    } catch (error) {
      console.error("PCR_PR 생성 오류:", error)
      toast.error("PCR_PR 생성 중 오류가 발생했습니다")
    } finally {
      setIsSubmitting(false)
    }
  }

  return (
    <Dialog open={open} onOpenChange={onOpenChange}>
      <DialogContent className="max-w-4xl max-h-[90vh] overflow-y-auto">
        <DialogHeader>
          <DialogTitle>PCR_PR 생성</DialogTitle>
          <DialogDescription>
            PO/계약번호: {selectedPcrPo?.poContractNumber}
          </DialogDescription>
        </DialogHeader>

        <Form {...form}>
          <form onSubmit={form.handleSubmit(onSubmit)} className="space-y-6">
            {/* 기본 정보 섹션 */}
            <div className="grid grid-cols-2 gap-4">
              <FormField
                control={form.control}
                name="materialNumber"
                render={({ field }) => (
                  <FormItem>
                    <FormLabel>자재번호 *</FormLabel>
                    <FormControl>
                      <Input placeholder="자재번호를 입력하세요" {...field} />
                    </FormControl>
                    <FormMessage />
                  </FormItem>
                )}
              />

              <FormField
                control={form.control}
                name="designManager"
                render={({ field }) => (
                  <FormItem>
                    <FormLabel>설계 담당자</FormLabel>
                    <FormControl>
                      <Input placeholder="설계 담당자를 입력하세요" {...field} />
                    </FormControl>
                    <FormMessage />
                  </FormItem>
                )}
              />
            </div>

            <FormField
              control={form.control}
              name="materialDetails"
              render={({ field }) => (
                <FormItem>
                  <FormLabel>자재내역</FormLabel>
                  <FormControl>
                    <Textarea
                      placeholder="자재내역을 입력하세요"
                      className="resize-none"
                      rows={3}
                      {...field}
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              )}
            />

            {/* 수량 정보 섹션 */}
            <div className="space-y-4">
              <h4 className="text-sm font-medium text-muted-foreground">수량 정보</h4>
              <div className="grid grid-cols-2 gap-4">
                <FormField
                  control={form.control}
                  name="quantityBefore"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>수량 (변경전)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="quantityAfter"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>수량 (변경후)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />
              </div>
            </div>

            {/* 중량 정보 섹션 */}
            <div className="space-y-4">
              <h4 className="text-sm font-medium text-muted-foreground">중량 정보</h4>
              <div className="grid grid-cols-2 gap-4">
                <FormField
                  control={form.control}
                  name="weightBefore"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>중량 (변경전)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="weightAfter"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>중량 (변경후)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="subcontractorWeightBefore"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>사급중량 (변경전)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="subcontractorWeightAfter"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>사급중량 (변경후)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="supplierWeightBefore"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>도급중량 (변경전)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="supplierWeightAfter"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>도급중량 (변경후)</FormLabel>
                      <FormControl>
                        <Input
                          type="number"
                          step="0.001"
                          placeholder="0.000"
                          {...field}
                          onChange={(e) => field.onChange(e.target.value ? parseFloat(e.target.value) : undefined)}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />
              </div>
            </div>

            {/* SPEC 도면 정보 섹션 */}
            <div className="space-y-4">
              <h4 className="text-sm font-medium text-muted-foreground">SPEC 도면 정보</h4>
              <div className="grid grid-cols-2 gap-4">
                <FormField
                  control={form.control}
                  name="specDrawingBefore"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>SPEC 도면 (변경전)</FormLabel>
                      <FormControl>
                        <Textarea
                          placeholder="SPEC 도면 정보를 입력하세요"
                          className="resize-none"
                          rows={2}
                          {...field}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="specDrawingAfter"
                  render={({ field }) => (
                    <FormItem>
                      <FormLabel>SPEC 도면 (변경후)</FormLabel>
                      <FormControl>
                        <Textarea
                          placeholder="SPEC 도면 정보를 입력하세요"
                          className="resize-none"
                          rows={2}
                          {...field}
                        />
                      </FormControl>
                      <FormMessage />
                    </FormItem>
                  )}
                />
              </div>
            </div>

            {/* 날짜 정보 섹션 */}
            <div className="space-y-4">
              <h4 className="text-sm font-medium text-muted-foreground">날짜 정보</h4>
              <div className="grid grid-cols-2 gap-4">
                <FormField
                  control={form.control}
                  name="initialPoContractDate"
                  render={({ field }) => (
                    <FormItem className="flex flex-col">
                      <FormLabel>최초 PO/계약 일</FormLabel>
                      <Popover>
                        <PopoverTrigger asChild>
                          <FormControl>
                            <Button
                              variant="outline"
                              className={cn(
                                "w-full pl-3 text-left font-normal",
                                !field.value && "text-muted-foreground"
                              )}
                            >
                              {field.value ? (
                                format(field.value, "yyyy년 MM월 dd일")
                              ) : (
                                <span>날짜를 선택하세요</span>
                              )}
                              <CalendarIcon className="ml-auto h-4 w-4 opacity-50" />
                            </Button>
                          </FormControl>
                        </PopoverTrigger>
                        <PopoverContent className="w-auto p-0" align="start">
                          <Calendar
                            mode="single"
                            selected={field.value}
                            onSelect={field.onChange}
                            disabled={(date) =>
                              date > new Date() || date < new Date("1900-01-01")
                            }
                            initialFocus
                          />
                        </PopoverContent>
                      </Popover>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="specChangeDate"
                  render={({ field }) => (
                    <FormItem className="flex flex-col">
                      <FormLabel>SPEC 변경 일</FormLabel>
                      <Popover>
                        <PopoverTrigger asChild>
                          <FormControl>
                            <Button
                              variant="outline"
                              className={cn(
                                "w-full pl-3 text-left font-normal",
                                !field.value && "text-muted-foreground"
                              )}
                            >
                              {field.value ? (
                                format(field.value, "yyyy년 MM월 dd일")
                              ) : (
                                <span>날짜를 선택하세요</span>
                              )}
                              <CalendarIcon className="ml-auto h-4 w-4 opacity-50" />
                            </Button>
                          </FormControl>
                        </PopoverTrigger>
                        <PopoverContent className="w-auto p-0" align="start">
                          <Calendar
                            mode="single"
                            selected={field.value}
                            onSelect={field.onChange}
                            disabled={(date) =>
                              date > new Date() || date < new Date("1900-01-01")
                            }
                            initialFocus
                          />
                        </PopoverContent>
                      </Popover>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="poContractModifiedDate"
                  render={({ field }) => (
                    <FormItem className="flex flex-col">
                      <FormLabel>PO/계약 수정 일</FormLabel>
                      <Popover>
                        <PopoverTrigger asChild>
                          <FormControl>
                            <Button
                              variant="outline"
                              className={cn(
                                "w-full pl-3 text-left font-normal",
                                !field.value && "text-muted-foreground"
                              )}
                            >
                              {field.value ? (
                                format(field.value, "yyyy년 MM월 dd일")
                              ) : (
                                <span>날짜를 선택하세요</span>
                              )}
                              <CalendarIcon className="ml-auto h-4 w-4 opacity-50" />
                            </Button>
                          </FormControl>
                        </PopoverTrigger>
                        <PopoverContent className="w-auto p-0" align="start">
                          <Calendar
                            mode="single"
                            selected={field.value}
                            onSelect={field.onChange}
                            disabled={(date) =>
                              date > new Date() || date < new Date("1900-01-01")
                            }
                            initialFocus
                          />
                        </PopoverContent>
                      </Popover>
                      <FormMessage />
                    </FormItem>
                  )}
                />

                <FormField
                  control={form.control}
                  name="confirmationDate"
                  render={({ field }) => (
                    <FormItem className="flex flex-col">
                      <FormLabel>확인 일</FormLabel>
                      <Popover>
                        <PopoverTrigger asChild>
                          <FormControl>
                            <Button
                              variant="outline"
                              className={cn(
                                "w-full pl-3 text-left font-normal",
                                !field.value && "text-muted-foreground"
                              )}
                            >
                              {field.value ? (
                                format(field.value, "yyyy년 MM월 dd일")
                              ) : (
                                <span>날짜를 선택하세요</span>
                              )}
                              <CalendarIcon className="ml-auto h-4 w-4 opacity-50" />
                            </Button>
                          </FormControl>
                        </PopoverTrigger>
                        <PopoverContent className="w-auto p-0" align="start">
                          <Calendar
                            mode="single"
                            selected={field.value}
                            onSelect={field.onChange}
                            disabled={(date) =>
                              date > new Date() || date < new Date("1900-01-01")
                            }
                            initialFocus
                          />
                        </PopoverContent>
                      </Popover>
                      <FormMessage />
                    </FormItem>
                  )}
                />
              </div>
            </div>

            <DialogFooter>
              <Button
                type="button"
                variant="outline"
                onClick={() => onOpenChange(false)}
                disabled={isSubmitting}
              >
                취소
              </Button>
              <Button type="submit" disabled={isSubmitting}>
                {isSubmitting ? "생성 중..." : "생성"}
              </Button>
            </DialogFooter>
          </form>
        </Form>
      </DialogContent>
    </Dialog>
  )
}