import Link from "next/link";
import Image from "next/image";
import { Star, Calendar, Database, Heart } from "lucide-react";
import { Card, CardContent } from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { useCallback } from "react";
import {
  PageMangaListDTO,
  useSetFavorite,
  useSetUnfavorite,
} from "@/api/mangamochi";
import { useQueryClient } from "@tanstack/react-query";
import { useAuth } from "@/contexts/auth-context";

interface Manga {
  id: number;
  title: string;
  coverImageKey?: string;
  status?: string;
  publishedFrom?: string;
  publishedTo?: string;
  providerCount?: number;
  authors: string[];
  genres: string[];
  score: number;
  favorite: boolean;
}

interface MangaCardProps {
  manga: Manga;
  queryKey: any;
}

export function MangaCard({ manga, queryKey }: MangaCardProps) {
  const queryClient = useQueryClient();
  const { isAuthenticated } = useAuth();

  const formatter = new Intl.DateTimeFormat("en-US", {
    month: "2-digit",
    day: "2-digit",
    year: "numeric",
  });

  const publishedTo = manga.publishedTo
    ? formatter.format(new Date(manga.publishedTo))
    : null;
  const publishedFrom = manga.publishedFrom
    ? formatter.format(new Date(manga.publishedFrom))
    : null;

  const dateRange = publishedTo
    ? `${publishedFrom} - ${publishedTo}`
    : `${publishedFrom} - Present`;

  const author = manga.authors.join(", ");

  const { mutate: mutateFavorite, isPending: isPendingFavorite } =
    useSetFavorite({
      mutation: {
        onSuccess: () =>
          queryClient.setQueryData(
            queryKey,
            (oldData: PageMangaListDTO | undefined) => {
              return {
                ...oldData,
                content:
                  oldData?.content?.map((m) =>
                    m.id === manga.id ? { ...m, favorite: true } : m,
                  ) || [],
              };
            },
          ),
      },
    });

  const { mutate: mutateUnfavorite, isPending: isPendingUnfavorite } =
    useSetUnfavorite({
      mutation: {
        onSuccess: () =>
          queryClient.setQueryData(
            queryKey,
            (oldData: PageMangaListDTO | undefined) => {
              return {
                ...oldData,
                content:
                  oldData?.content?.map((m) =>
                    m.id === manga.id ? { ...m, favorite: false } : m,
                  ) || [],
              };
            },
          ),
      },
    });

  const handleFavoriteClick = useCallback(
    (isFavorite: boolean) => {
      isFavorite
        ? mutateUnfavorite({ id: manga.id })
        : mutateFavorite({ id: manga.id });
    },
    [mutateUnfavorite, manga.id, mutateFavorite],
  );

  return (
    <Card className="h-full group overflow-hidden border-border bg-card py-0 gap-0 transition-all hover:border-primary/50 hover:shadow-lg hover:shadow-primary/10 cursor-pointer relative">
      <CardContent className="p-0">
        <div className="relative aspect-[2/3] overflow-hidden bg-muted">
          <Link href={`/manga/${manga.id}`}>
            <Image
              src={
                (manga.coverImageKey &&
                  "http://omv.badger-pirarucu.ts.net:9000/mangamochi/" +
                    manga.coverImageKey) ||
                "/placeholder.svg"
              }
              alt={manga.title}
              fill
              className="object-cover transition-transform duration-300 group-hover:scale-105"
            />
            <div className="absolute right-2 top-2">
              <Badge
                variant="secondary"
                className="border border-border/50 bg-background/80 text-foreground backdrop-blur-sm"
              >
                {manga.status}
              </Badge>
            </div>
          </Link>

          {isAuthenticated && (
            <Button
              size="icon"
              variant="ghost"
              onClick={(event) => {
                event.preventDefault();
                event.stopPropagation();
                handleFavoriteClick(manga.favorite);
              }}
              className="absolute left-2 top-2 h-8 w-8 rounded-full bg-background/80 backdrop-blur-sm hover:bg-background/90"
              disabled={isPendingFavorite || isPendingUnfavorite}
            >
              <Heart
                className={`h-4 w-4 transition-colors ${
                  manga.favorite
                    ? "fill-red-500 text-red-500"
                    : "text-muted-foreground hover:text-red-500"
                }`}
              />
            </Button>
          )}
        </div>

        {/* Info */}
        <div className="space-y-2 p-4">
          <Link href={`/manga/${manga.id}`}>
            <h3 className="line-clamp-2 text-sm font-semibold leading-tight text-foreground hover:underline">
              {manga.title}
            </h3>
          </Link>

          <p className="text-xs text-muted-foreground">{author}</p>

          {publishedFrom && (
            <div className="flex items-center gap-1.5 text-xs text-muted-foreground">
              <Calendar className="h-3 w-3" />
              <span>{dateRange}</span>
            </div>
          )}

          <div className="flex items-center justify-between">
            <div className="flex items-center gap-1">
              <Star className="h-3.5 w-3.5 fill-primary text-primary" />
              <span className="text-xs font-medium text-foreground">
                {manga.score && manga.score > 0 ? manga.score : "-"}
              </span>
            </div>
          </div>

          <div className="flex items-center gap-1.5 text-xs text-muted-foreground">
            <Database className="h-3 w-3" />
            <span>
              {manga.providerCount}{" "}
              {manga.providerCount === 1 ? "provider" : "providers"}
            </span>
          </div>

          <div className="flex flex-wrap gap-1">
            {manga.genres.map((genre) => (
              <Badge
                key={genre}
                variant="outline"
                className="border-border text-xs text-muted-foreground"
              >
                {genre}
              </Badge>
            ))}
          </div>
        </div>
      </CardContent>
    </Card>
  );
}