import { Copy, KeyRound } from 'lucide-react';
import { useState } from 'react';
import { toast } from 'sonner';

import { ConfigError } from '@/components/admin/admin-form-parts';
import { Button } from '@/components/ui/button';
import {
    Card,
    CardContent,
    CardDescription,
    CardHeader,
    CardTitle,
} from '@/components/ui/card';
import { Input } from '@/components/ui/input';
import { Label } from '@/components/ui/label';
import { Spinner } from '@/components/ui/spinner';
import { generateApiKey } from '@/lib/rag-client';
import type { GeneratedApiKey } from '@/types/admin';

export function AdminApiKeyCard() {
    const [generatedApiKey, setGeneratedApiKey] =
        useState<GeneratedApiKey | null>(null);
    const [isLoading, setIsLoading] = useState(false);
    const [error, setError] = useState<string | undefined>();

    async function handleGenerateApiKey(): Promise<void> {
        setIsLoading(true);
        setError(undefined);

        try {
            const result = await generateApiKey();
            setGeneratedApiKey(result);
        } catch (e) {
            setError(
                e instanceof Error ? e.message : 'Gagal membuat API key.',
            );
        } finally {
            setIsLoading(false);
        }
    }

    function handleCopyApiKey(): void {
        if (!generatedApiKey?.api_key) {
            return;
        }

        void navigator.clipboard.writeText(generatedApiKey.api_key);
        toast.success('API key disalin.');
    }

    return (
        <Card className="border-(--lecturer-border) bg-(--lecturer-surface)">
            <CardHeader>
                <CardTitle className="flex items-center gap-2">
                    <KeyRound className="size-5 text-(--lecturer-primary)" />
                    API Key Iframe
                </CardTitle>
                <CardDescription>
                    API key hanya ditampilkan sekali setelah dibuat.
                </CardDescription>
            </CardHeader>
            <CardContent className="grid gap-4">
                <Button
                    disabled={isLoading}
                    onClick={() => {
                        void handleGenerateApiKey();
                    }}
                    type="button"
                >
                    {isLoading ? (
                        <Spinner className="size-4" />
                    ) : (
                        <KeyRound className="size-4" />
                    )}
                    Generate API Key
                </Button>

                <ConfigError message={error} />

                {generatedApiKey ? (
                    <div className="grid gap-3 rounded-xl border border-(--lecturer-border) bg-(--lecturer-surface) p-4">
                        <Label>API Key Baru</Label>
                        <div className="flex gap-2">
                            <Input readOnly value={generatedApiKey.api_key} />
                            <Button
                                onClick={handleCopyApiKey}
                                type="button"
                                variant="outline"
                            >
                                <Copy className="size-4" />
                            </Button>
                        </div>
                        <p className="text-sm text-muted-foreground">
                            Expired: {generatedApiKey.expires_at ?? '-'}
                        </p>
                    </div>
                ) : null}
            </CardContent>
        </Card>
    );
}