import { useState } from 'react';
import { Head, Link, useForm } from '@inertiajs/react';
import { router } from '@inertiajs/react';
import { ConfirmDialog } from '@/components/admin/confirm-dialog';
import { ImageUpload } from '@/components/admin/image-upload';
import { RichText } from '@/components/admin/rich-text';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';

interface Video {
    id: number;
    title: string;
    youtube_url: string;
    description: string | null;
    thumbnail_url: string | null;
}

export default function VideoEdit({ video }: { video: Video }) {
    const [imageKey, setImageKey] = useState(0);
    const [confirmDelete, setConfirmDelete] = useState(false);

    const { data, setData, post, processing, errors } = useForm({
        _method: 'PUT',
        title: video.title,
        youtube_url: video.youtube_url,
        description: video.description ?? '',
        thumbnail_url: null as File | null,
        thumbnail_url_clear: false,
    });

    function submit(e: React.FormEvent) {
        e.preventDefault();
        post(`/admin/videos/${video.id}`);
    }

    return (
        <>
            <Head title="Edit Video" />
            <form onSubmit={submit} className="space-y-0">
                <div className="sticky top-16 z-10 -mx-6 mb-6 flex items-center justify-between border-b bg-background px-6 pb-4 pt-2 lg:-mx-8 lg:px-8">
                    <div>
                        <div className="flex items-center gap-2 text-sm text-muted-foreground">
                            <Link href="/admin/videos">Videos</Link>
                            <span>/</span>
                            <span className="text-foreground">Edit Video</span>
                        </div>
                        <h1 className="text-2xl font-bold">Edit Video</h1>
                    </div>
                    <div className="flex items-center gap-3">
                        <Button type="button" variant="outline" asChild>
                            <Link href="/admin/videos">Cancel</Link>
                        </Button>
                        <Button type="button" variant="destructive" onClick={() => setConfirmDelete(true)}>Delete</Button>
                        <Button type="submit" disabled={processing}>{processing ? 'Saving...' : 'Save Changes'}</Button>
                    </div>
                </div>

                <div className="grid grid-cols-1 gap-6 lg:grid-cols-[1fr_320px]">
                    <div className="space-y-6">
                        <div className="rounded-xl border border-border bg-card p-6 space-y-4">
                            <div className="space-y-1.5">
                                <Label htmlFor="title">Title *</Label>
                                <Input id="title" value={data.title} onChange={(e) => setData('title', e.target.value)} required />
                                {errors.title && <p className="text-xs text-destructive">{errors.title}</p>}
                            </div>
                            <div className="space-y-1.5">
                                <Label htmlFor="youtube_url">YouTube URL *</Label>
                                <Input id="youtube_url" value={data.youtube_url} onChange={(e) => setData('youtube_url', e.target.value)} required />
                                {errors.youtube_url && <p className="text-xs text-destructive">{errors.youtube_url}</p>}
                            </div>
                            <div className="space-y-1.5">
                                <Label>Description</Label>
                                <RichText value={data.description} onChange={(v) => setData('description', v)} height={250} />
                                {errors.description && <p className="text-xs text-destructive">{errors.description}</p>}
                            </div>
                        </div>
                    </div>

                    <div className="space-y-6">
                        <div className="rounded-xl border border-border bg-card p-6 space-y-4">
                            <div className="space-y-1.5">
                                <Label>Thumbnail</Label>
                                <ImageUpload
                                    key={imageKey}
                                    currentUrl={video.thumbnail_url}
                                    onChange={(file) => { setData('thumbnail_url', file); setData('thumbnail_url_clear', false); }}
                                    onClear={() => { setData('thumbnail_url', null); setData('thumbnail_url_clear', true); setImageKey((k) => k + 1); }}
                                />
                            </div>
                        </div>
                    </div>
                </div>
            </form>

            <ConfirmDialog
                open={confirmDelete}
                onOpenChange={setConfirmDelete}
                title="Delete Video?"
                description="This is permanent and cannot be undone."
                confirmLabel="Delete"
                variant="danger"
                onConfirm={() => router.delete(`/admin/videos/${video.id}`, { onSuccess: () => setConfirmDelete(false) })}
            />
        </>
    );
}
