import { Head, Link, router } from '@inertiajs/react';
import { Plus, Trash2 } from 'lucide-react';
import { useState } from 'react';
import { ConfirmDialog } from '@/components/admin/confirm-dialog';
import { DataTable, type Column } from '@/components/admin/data-table';
import { Badge } from '@/components/ui/badge';
import { Button } from '@/components/ui/button';

interface Theme { id: number; title: string; is_featured: boolean; sort_order: number }

export default function ThemesIndex({ themes }: { themes: Theme[] }) {
    const [selectedIds, setSelectedIds] = useState<number[]>([]);
    const [confirmBulkOpen, setConfirmBulkOpen] = useState(false);
    const [confirmDeleteId, setConfirmDeleteId] = useState<number | null>(null);

    const columns: Column<Theme>[] = [
        { key: 'sort_order', label: '#', className: 'w-12', render: (t) => <span className="text-muted-foreground">{t.sort_order}</span> },
        { key: 'title', label: 'Theme', render: (t) => <span className="font-medium">{t.title}</span> },
        { key: 'is_featured', label: 'Featured', render: (t) => t.is_featured ? <Badge>Featured</Badge> : <span className="text-muted-foreground text-xs">—</span> },
        { key: 'actions', label: '', className: 'w-20 text-right', render: (t) => (<div className="flex justify-end gap-1"><Button variant="ghost" size="sm" asChild><Link href={`/admin/themes/${t.id}/edit`}>Edit</Link></Button><Button variant="ghost" size="icon" className="h-8 w-8 text-destructive hover:text-destructive" onClick={() => setConfirmDeleteId(t.id)}><Trash2 className="h-4 w-4" /></Button></div>) },
    ];

    return (
        <>
            <Head title="Strategic Themes" />
            <div className="space-y-6">
                <div className="flex items-center justify-between">
                    <div><h1 className="text-2xl font-bold">Strategic Themes</h1><p className="mt-1 text-sm text-muted-foreground">{themes.length} themes</p></div>
                    <Button asChild><Link href="/admin/themes/create"><Plus className="mr-2 h-4 w-4" /> Add Theme</Link></Button>
                </div>
                <DataTable data={themes} columns={columns} selectedIds={selectedIds} onSelectionChange={(ids) => setSelectedIds(ids as number[])}
                    bulkActions={<Button variant="destructive" size="sm" onClick={() => setConfirmBulkOpen(true)}><Trash2 className="mr-2 h-4 w-4" />Delete {selectedIds.length}</Button>}
                    empty="No themes." />
            </div>
            <ConfirmDialog open={confirmBulkOpen} onOpenChange={setConfirmBulkOpen} title={`Delete ${selectedIds.length} theme(s)?`} description="This is permanent." confirmLabel="Delete" variant="danger"
                onConfirm={() => router.post('/admin/themes/bulk-destroy', { ids: selectedIds }, { onSuccess: () => { setSelectedIds([]); setConfirmBulkOpen(false); } })} />
            <ConfirmDialog open={confirmDeleteId !== null} onOpenChange={(open) => !open && setConfirmDeleteId(null)} title="Delete theme?" description="This is permanent." confirmLabel="Delete" variant="danger"
                onConfirm={() => confirmDeleteId !== null && router.delete(`/admin/themes/${confirmDeleteId}`, { onSuccess: () => setConfirmDeleteId(null) })} />
        </>
    );
}
