"use client"

import { Link, usePathname, useRouter } from "@/i18n/navigation"
import { type ColumnDef } from "@tanstack/react-table"
import { ExternalLinkIcon, PencilIcon, Trash2Icon } from "lucide-react"
import { useLocale, useTranslations } from "next-intl"
import { useSearchParams } from "next/navigation"
import { useCallback, useMemo } from "react"

import { QueryState } from "@/components/api/query-state"
import { PageHeader } from "@/components/page-header"
import { SuperDataTable } from "@/components/super-data-table"
import { StatusBadge } from "@/components/ui/status-badge"
import { Button } from "@/components/ui/button"
import { useDeleteVideo, useVideos } from "@/hooks/api/use-videos"
import type { VideoRecord } from "@/lib/markatty"

function formatDate(value: string, locale: string, fallback: string) {
  if (!value.trim()) return fallback
  const date = new Date(value)
  if (Number.isNaN(date.getTime())) return value
  return date.toLocaleString(locale, {
    dateStyle: "medium",
    timeStyle: "short",
  })
}

export function VideosTable() {
  const t = useTranslations("Videos")
  const tc = useTranslations("Common")
  const locale = useLocale()
  const searchParams = useSearchParams()
  const router = useRouter()
  const pathname = usePathname()
  const { data = [], isLoading, isError, error } = useVideos()
  const deleteVideo = useDeleteVideo()
  const empty = "—"

  const handleDelete = useCallback(
    (video: VideoRecord) => {
      if (!window.confirm(t("confirm.delete", { id: video.id }))) return
      deleteVideo.mutate(video.id)
    },
    [deleteVideo, t]
  )

  const columns = useMemo<ColumnDef<VideoRecord>[]>(
    () => [
      {
        accessorKey: "id",
        header: t("columns.id"),
        cell: ({ row }) => (
          <Link
            className="font-medium hover:underline"
            href={`/videos/${row.original.id}/edit`}
          >
            {row.original.id}
          </Link>
        ),
      },
      {
        accessorKey: "url",
        header: t("columns.url"),
        cell: ({ row }) => {
          const url = row.original.url.trim()
          if (!url) return empty
          return (
            <Link
              href={url}
              target="_blank"
              rel="noopener noreferrer"
              className="flex items-center gap-2 font-medium hover:underline"
            >
              <ExternalLinkIcon className="size-4" />
              {t("columns.preview")}
            </Link>
          )
        },
      },
      {
        accessorKey: "videoUrl",
        header: t("columns.videoFile"),
        cell: ({ row }) => {
          const videoUrl = row.original.videoUrl.trim()
          if (!videoUrl) return empty
          return (
            <Link
              href={videoUrl}
              target="_blank"
              rel="noopener noreferrer"
              className="flex items-center gap-2 font-medium hover:underline"
            >
              <ExternalLinkIcon className="size-4" />
              {t("columns.preview")}
            </Link>
          )
        },
      },
      { accessorKey: "locale", header: t("columns.locale") },
      {
        accessorKey: "status",
        header: t("columns.status"),
        cell: ({ row }) => (
          <StatusBadge
            status={row.original.status}
            label={t(`status.${row.original.status}`)}
          />
        ),
      },
      {
        accessorKey: "createdAt",
        header: t("columns.createdAt"),
        cell: ({ row }) => formatDate(row.original.createdAt, locale, empty),
      },
      {
        id: "edit",
        header: tc("actions.edit"),
        cell: ({ row }) => (
          <Button variant="ghost" size="icon" className="size-8" asChild>
            <Link
              href={`/videos/${row.original.id}/edit`}
              aria-label={`${tc("actions.edit")} ${row.original.id}`}
            >
              <PencilIcon className="size-4" />
            </Link>
          </Button>
        ),
      },
      {
        id: "delete",
        header: tc("actions.delete"),
        cell: ({ row }) => (
          <Button
            variant="ghost"
            size="icon"
            className="size-8 text-destructive hover:text-destructive"
            aria-label={`${tc("actions.delete")} ${row.original.id}`}
            disabled={deleteVideo.isPending}
            onClick={() => handleDelete(row.original)}
          >
            <Trash2Icon className="size-4" />
          </Button>
        ),
      },
    ],
    [t, tc, locale, empty, deleteVideo.isPending, handleDelete]
  )

  return (
    <div className="flex flex-col gap-4 py-4 md:gap-6 md:py-6">
      <PageHeader
        title={t("title")}
        actions={
          <Button asChild>
            <Link href="/videos/create">{t("actions.addVideo")}</Link>
          </Button>
        }
      />
      <QueryState isLoading={isLoading} isError={isError} error={error}>
        <SuperDataTable
          data={data}
          columns={columns}
          searchKey="id"
          searchPlaceholder={t("placeholders.searchVideos")}
          defaultSearch={searchParams.get("search") ?? ""}
          onSearch={(value) => {
            const qs = value ? `?search=${encodeURIComponent(value)}` : ""
            router.replace(`${pathname}${qs}`, { scroll: false })
          }}
        />
      </QueryState>
    </div>
  )
}