import { 
  useGetAnalyticsSummary, 
  useGetTopTools, 
  useListTools,
  GetTopToolsMetric
} from "@workspace/api-client-react";
import { Card, CardHeader, CardTitle, CardDescription, CardContent } from "@/components/ui/card";
import { Skeleton } from "@/components/ui/skeleton";
import { Layout } from "@/components/layout";
import { ToolCard } from "@/components/tool-card";
import { Star, Wrench, MessageSquare, ArrowRight, Plus } from "lucide-react";
import { Link } from "wouter";
import { Button } from "@/components/ui/button";
import { useTranslation } from "react-i18next";

export default function Home() {
  const { t } = useTranslation();
  const { data: summary, isLoading: loadingSummary } = useGetAnalyticsSummary();
  const { data: topTools, isLoading: loadingTopTools } = useGetTopTools({ limit: 4, metric: GetTopToolsMetric.combined });
  const { data: recentTools, isLoading: loadingRecent } = useListTools({ sort: "newest" });

  return (
    <Layout>
      <div className="space-y-8 pb-8">
        <div className="flex flex-col sm:flex-row justify-between items-start sm:items-end gap-4">
          <div>
            <h1 className="text-3xl font-bold tracking-tight mb-2">
              {t("home.welcome")}
            </h1>
            <p className="text-muted-foreground">{t("home.tagline")}</p>
          </div>
          <Button asChild>
            <Link href="/tools/new">
              <Plus className="w-4 h-4 mr-1" />
              {t("browse.addTool")}
            </Link>
          </Button>
        </div>

        {/* Stats Banner */}
        <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
          <Card className="bg-primary/5 border-primary/20">
            <CardContent className="p-6 flex items-center gap-4">
              <div className="p-3 bg-primary/10 rounded-lg text-primary">
                <Wrench className="w-6 h-6" />
              </div>
              <div>
                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.totalTools")}</p>
                {loadingSummary ? (
                  <Skeleton className="h-8 w-16" />
                ) : (
                  <h3 className="text-3xl font-bold">{summary?.totalTools || 0}</h3>
                )}
              </div>
            </CardContent>
          </Card>
          
          <Card className="bg-primary/5 border-primary/20">
            <CardContent className="p-6 flex items-center gap-4">
              <div className="p-3 bg-primary/10 rounded-lg text-primary">
                <MessageSquare className="w-6 h-6" />
              </div>
              <div>
                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.totalRatings")}</p>
                {loadingSummary ? (
                  <Skeleton className="h-8 w-16" />
                ) : (
                  <h3 className="text-3xl font-bold">{summary?.totalRatings || 0}</h3>
                )}
              </div>
            </CardContent>
          </Card>

          <Card className="bg-primary/5 border-primary/20">
            <CardContent className="p-6 flex items-center gap-4">
              <div className="p-3 bg-primary/10 rounded-lg text-primary">
                <Star className="w-6 h-6" />
              </div>
              <div>
                <p className="text-sm font-medium text-muted-foreground mb-1">{t("home.avgRating")}</p>
                {loadingSummary ? (
                  <Skeleton className="h-8 w-16" />
                ) : (
                  <h3 className="text-3xl font-bold">{summary?.avgCombined ? summary.avgCombined.toFixed(1) : "0.0"}</h3>
                )}
              </div>
            </CardContent>
          </Card>
        </div>

        {/* Top Tools Section */}
        <section>
          <div className="flex justify-between items-end mb-4">
            <div>
              <h2 className="text-2xl font-bold tracking-tight mb-1">{t("home.topRated")}</h2>
              <p className="text-muted-foreground text-sm">{t("home.topRatedSub")}</p>
            </div>
            <Button variant="ghost" className="text-primary hidden sm:flex" asChild>
              <Link href="/tools?sort=top_rated">
                {t("common.viewAll")} <ArrowRight className="w-4 h-4 ml-2" />
              </Link>
            </Button>
          </div>
          
          {loadingTopTools ? (
            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
              {[1, 2, 3, 4].map(i => (
                <Skeleton key={`sk-top-${i}`} className="h-[200px] w-full rounded-xl" />
              ))}
            </div>
          ) : topTools && topTools.length > 0 ? (
            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
              {topTools.map(({ tool }) => (
                <ToolCard key={tool.id} tool={tool} />
              ))}
            </div>
          ) : (
            <Card className="bg-muted/30 border-dashed">
              <CardContent className="flex flex-col items-center justify-center p-12 text-center">
                <Star className="w-12 h-12 text-muted-foreground/30 mb-4" />
                <h3 className="text-lg font-medium">{t("home.noRatingsYet")}</h3>
                <p className="text-muted-foreground max-w-sm mt-1 mb-4">{t("home.noRatingsSub")}</p>
                <Button asChild>
                  <Link href="/tools">{t("common.browseTools")}</Link>
                </Button>
              </CardContent>
            </Card>
          )}
        </section>

        {/* Recently Added Section */}
        <section>
          <div className="flex justify-between items-end mb-4">
            <div>
              <h2 className="text-2xl font-bold tracking-tight mb-1">{t("home.recentlyAdded")}</h2>
              <p className="text-muted-foreground text-sm">{t("home.recentlyAddedSub")}</p>
            </div>
            <Button variant="ghost" className="text-primary hidden sm:flex" asChild>
              <Link href="/tools?sort=newest">
                {t("common.viewAll")} <ArrowRight className="w-4 h-4 ml-2" />
              </Link>
            </Button>
          </div>
          
          {loadingRecent ? (
            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
              {[1, 2, 3, 4].map(i => (
                <Skeleton key={`sk-recent-${i}`} className="h-[200px] w-full rounded-xl" />
              ))}
            </div>
          ) : recentTools && recentTools.length > 0 ? (
            <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-4">
              {recentTools.slice(0, 4).map((tool) => (
                <ToolCard key={tool.id} tool={tool} />
              ))}
            </div>
          ) : (
            <Card className="bg-muted/30 border-dashed">
              <CardContent className="flex flex-col items-center justify-center p-12 text-center">
                <Wrench className="w-12 h-12 text-muted-foreground/30 mb-4" />
                <h3 className="text-lg font-medium">{t("home.noTools")}</h3>
                <p className="text-muted-foreground max-w-sm mt-1 mb-4">{t("home.noToolsSub")}</p>
                <Button asChild>
                  <Link href="/tools/new">{t("browse.addTool")}</Link>
                </Button>
              </CardContent>
            </Card>
          )}
        </section>
      </div>
    </Layout>
  );
}