import { getAnalysisQueue } from "@/features/admin/actions/analysis";
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
import { Button } from "@/components/ui/button";
import { Video, Clock, CheckCircle2, AlertCircle, Play, ArrowRight } from "lucide-react";
import Link from "next/link";
import { formatDistanceToNow } from "date-fns";

export const metadata = {
    title: "Video Hub | Vault Admin",
};

export default async function AnalysisQueuePage(props: {
    searchParams: Promise<{ status?: string }>;
}) {
    const searchParams = await props.searchParams;
    const status = searchParams.status;
    const queue = await getAnalysisQueue(status);

    const getStatusColor = (status: string) => {
        switch (status) {
            case 'pending_analysis': return 'bg-amber-500/10 text-amber-500 border-amber-500/20';
            case 'in_progress': return 'bg-blue-500/10 text-blue-500 border-blue-500/20';
            case 'awaiting_approval': return 'bg-emerald-500/10 text-emerald-500 border-emerald-500/20';
            default: return 'bg-slate-500/10 text-slate-500 border-slate-500/20';
        }
    };

    const getStatusLabel = (status: string) => {
        switch (status) {
            case 'pending_analysis': return 'In Intake';
            case 'in_progress': return 'In Pipeline';
            case 'awaiting_approval': return 'Ready for Review';
            default: return status;
        }
    };

    return (
        <div className="space-y-6">
            <div className="flex flex-col gap-2">
                <div className="flex items-center gap-2 text-xs text-muted-foreground mb-1">
                    <Link href="/admin/dashboard" className="hover:text-primary transition-colors">Dashboard</Link>
                    <span>/</span>
                    <span className="text-foreground font-medium">Video Hub</span>
                </div>
                <div className="flex items-center justify-between">
                    <div>
                        <h1 className="text-3xl font-bold tracking-tight">Video Hub</h1>
                        <p className="text-muted-foreground">Manage video content submitted for AI product discovery.</p>
                    </div>
                    {status && (
                        <Badge variant="outline" className="h-8 gap-2">
                            <span className="w-2 h-2 rounded-full bg-primary animate-pulse" />
                            Filtering by: {getStatusLabel(status)}
                            <Button variant="ghost" size="icon" className="h-4 w-4 ml-2 p-0" asChild>
                                <Link href="/admin/analysis-queue">×</Link>
                            </Button>
                        </Badge>
                    )}
                </div>
            </div>

            <div className="grid gap-4">
                {queue.length === 0 ? (
                    <Card className="flex flex-col items-center justify-center py-12 text-center">
                        <CheckCircle2 className="h-12 w-12 text-muted-foreground mb-4 opacity-20" />
                        <CardTitle>Queue is empty</CardTitle>
                        <CardDescription>No videos currently require analysis review.</CardDescription>
                    </Card>
                ) : (
                    queue.map((video) => (
                        <Card key={video.id} className="overflow-hidden bg-card/40 backdrop-blur-md border-border/40 hover:border-primary/50 transition-colors">
                            <div className="flex flex-col md:flex-row">
                                <div className="relative w-full md:w-48 aspect-video md:aspect-auto">
                                    <img
                                        src={video.thumbnailUrl || ''}
                                        alt={video.title}
                                        className="absolute inset-0 w-full h-full object-cover"
                                    />
                                    {video.scanStatus === 'in_progress' && (
                                        <div className="absolute inset-0 bg-background/60 backdrop-blur-sm flex items-center justify-center">
                                            <div className="flex flex-col items-center gap-2">
                                                <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary"></div>
                                                <span className="text-xs font-medium">Analyzing...</span>
                                            </div>
                                        </div>
                                    )}
                                </div>
                                <div className="flex-1 p-6 flex flex-col gap-4">
                                    <div className="flex flex-col gap-1">
                                        <div className="flex items-center justify-between gap-4">
                                            <h3 className="font-semibold text-lg line-clamp-1">{video.title}</h3>
                                            <Badge variant="outline" className={getStatusColor(video.scanStatus)}>
                                                {getStatusLabel(video.scanStatus)}
                                            </Badge>
                                        </div>
                                        <div className="flex items-center gap-2 text-sm text-muted-foreground">
                                            <span>{video.channel?.channelName}</span>
                                            <span>•</span>
                                            <span>{formatDistanceToNow(new Date(video.createdAt))} ago</span>
                                        </div>
                                    </div>

                                    <div className="mt-auto flex items-center justify-between gap-4">
                                        <div className="flex items-center gap-4 text-xs">
                                            <div className="flex items-center gap-1.5">
                                                <Video className="h-3.5 w-3.5 opacity-50" />
                                                <span>{video.platform}</span>
                                            </div>
                                            {video.scanStatus === 'awaiting_approval' && (
                                                <div className="flex items-center gap-1.5 text-emerald-500 font-medium">
                                                    <AlertCircle className="h-3.5 w-3.5" />
                                                    <span>Ready for Approval</span>
                                                </div>
                                            )}
                                        </div>

                                        <Button size="sm" asChild>
                                            <Link href={`/admin/analysis/${video.id}`}>
                                                {video.scanStatus === 'awaiting_approval' ? 'Review Results' : 'Start Review'}
                                                <ArrowRight className="ml-2 h-4 w-4" />
                                            </Link>
                                        </Button>
                                    </div>
                                </div>
                            </div>
                        </Card>
                    ))
                )}
            </div>
        </div>
    );
}