"use client"

import * as React from "react"
import { type Row } from "@tanstack/react-table"
import { Loader, Trash } from "lucide-react"
import { toast } from "sonner"

import { useMediaQuery } from "@/hooks/use-media-query"
import { Button } from "@/components/ui/button"
import {
  Dialog,
  DialogClose,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
  DialogTrigger,
} from "@/components/ui/dialog"
import {
  Drawer,
  DrawerClose,
  DrawerContent,
  DrawerDescription,
  DrawerFooter,
  DrawerHeader,
  DrawerTitle,
  DrawerTrigger,
} from "@/components/ui/drawer"

import { deleteGtcDocuments } from "@/lib/gtc-contract/service"
import { useSession } from "next-auth/react"
import { type GtcDocumentWithRelations } from "@/db/schema/gtc"

interface DeleteGtcDocumentsDialogProps
  extends React.ComponentPropsWithoutRef<typeof Dialog> {
  gtcDocuments: Row<GtcDocumentWithRelations>["original"][]
  showTrigger?: boolean
  onSuccess?: () => void
}

export function DeleteGtcDocumentsDialog({
  gtcDocuments,
  showTrigger = true,
  onSuccess,
  ...props
}: DeleteGtcDocumentsDialogProps) {
  const [isDeletePending, startDeleteTransition] = React.useTransition()
  const isDesktop = useMediaQuery("(min-width: 640px)")
  const { data: session } = useSession()

  function onDelete() {
    if (!session?.user?.id) {
      toast.error("로그인이 필요합니다.")
      return
    }
  
    startDeleteTransition(async () => {
      const { error } = await deleteGtcDocuments({
        ids: gtcDocuments.map((doc) => doc.id),
        updatedById: Number(session.user.id) 
      })

      if (error) {
        toast.error(error)
        return
      }

      props.onOpenChange?.(false)
      toast.success(
        `${gtcDocuments.length}개의 GTC 문서가 삭제되었습니다.`
      )
      onSuccess?.()
    })
  }

  const title = "Are you absolutely sure?"
  const description = (
    <>
      이 작업은 되돌릴 수 없습니다. 선택된{" "}
      <span className="font-medium">{gtcDocuments.length}개</span>의 GTC 문서가 영구적으로 삭제됩니다.
      {gtcDocuments.length > 0 && (
        <div className="mt-2 max-h-32 overflow-y-auto">
          <div className="text-sm text-muted-foreground">삭제될 문서:</div>
          <ul className="mt-1 text-sm">
            {gtcDocuments.slice(0, 5).map((doc) => (
              <li key={doc.id} className="truncate">
                • {doc.fileName} (v{doc.revision})
              </li>
            ))}
            {gtcDocuments.length > 5 && (
              <li className="text-muted-foreground">
                ... 외 {gtcDocuments.length - 5}개
              </li>
            )}
          </ul>
        </div>
      )}
    </>
  )

  if (isDesktop) {
    return (
      <Dialog {...props}>
        {showTrigger ? (
          <DialogTrigger asChild>
            <Button variant="outline" size="sm">
              <Trash className="mr-2 size-4" aria-hidden="true" />
              Delete ({gtcDocuments.length})
            </Button>
          </DialogTrigger>
        ) : null}
        <DialogContent>
          <DialogHeader>
            <DialogTitle>{title}</DialogTitle>
            <DialogDescription>{description}</DialogDescription>
          </DialogHeader>
          <DialogFooter className="gap-2 sm:space-x-0">
            <DialogClose asChild>
              <Button variant="outline">Cancel</Button>
            </DialogClose>
            <Button
              aria-label="Delete selected documents"
              variant="destructive"
              onClick={onDelete}
              disabled={isDeletePending}
            >
              {isDeletePending && (
                <Loader
                  className="mr-2 size-4 animate-spin"
                  aria-hidden="true"
                />
              )}
              Delete
            </Button>
          </DialogFooter>
        </DialogContent>
      </Dialog>
    )
  }

  return (
    <Drawer {...props}>
      {showTrigger ? (
        <DrawerTrigger asChild>
          <Button variant="outline" size="sm">
            <Trash className="mr-2 size-4" aria-hidden="true" />
            Delete ({gtcDocuments.length})
          </Button>
        </DrawerTrigger>
      ) : null}
      <DrawerContent>
        <DrawerHeader>
          <DrawerTitle>{title}</DrawerTitle>
          <DrawerDescription>{description}</DrawerDescription>
        </DrawerHeader>
        <DrawerFooter className="gap-2 sm:space-x-0">
          <DrawerClose asChild>
            <Button variant="outline">Cancel</Button>
          </DrawerClose>
          <Button
            aria-label="Delete selected documents"
            variant="destructive"
            onClick={onDelete}
            disabled={isDeletePending}
          >
            {isDeletePending && (
              <Loader className="mr-2 size-4 animate-spin" aria-hidden="true" />
            )}
            Delete
          </Button>
        </DrawerFooter>
      </DrawerContent>
    </Drawer>
  )
}