import AppLayout from '@/Layouts/AppLayout';
import { Head, router } from '@inertiajs/react';
import { motion } from 'framer-motion';
import { Box, Play, Square, RotateCcw, Trash2, Terminal, BarChart2, Plus } from 'lucide-react';
import { GlassCard, StatCard } from '@/Components/ui/GlassCard';
import { StatusBadge } from '@/Components/ui/StatusBadge';
import { Button } from '@/Components/ui/Button';
import { DataTable } from '@/Components/ui/DataTable';
import { useState } from 'react';
import { cn } from '@/lib/utils';

export default function ContainerIndex({ containers, endpoints }) {
    const [actionLoading, setActionLoading] = useState(null);
    const [selectedEndpoint, setSelectedEndpoint] = useState(null);

    const action = (containerId, act) => {
        setActionLoading(`${containerId}-${act}`);
        router.post(`/containers/${containerId}/action`, { action: act }, {
            onFinish: () => setActionLoading(null),
        });
    };

    const filtered = selectedEndpoint
        ? (containers.data ?? []).filter(c => c.endpoint_id === selectedEndpoint)
        : (containers.data ?? []);

    const columns = [
        { header: 'Container', accessor: 'name', render: row => (
            <div className="flex items-center gap-3">
                <div className="w-8 h-8 rounded-lg bg-blue-500/10 border border-blue-500/20 flex items-center justify-center">
                    <Box className="w-4 h-4 text-blue-400" />
                </div>
                <div>
                    <p className="font-medium text-white font-mono text-sm">{row.name}</p>
                    <p className="text-xs text-white/30 truncate max-w-48">{row.image}</p>
                </div>
            </div>
        )},
        { header: 'Status', accessor: 'state', render: row => <StatusBadge status={row.state} /> },
        { header: 'Ports', key: 'ports', render: row => (
            <div className="flex flex-wrap gap-1">
                {(row.ports ?? []).slice(0, 3).map((p, i) => (
                    <span key={i} className="font-mono text-xs px-1.5 py-0.5 rounded bg-white/5 text-white/50">
                        {p.PublicPort ? `${p.PublicPort}:${p.PrivatePort}` : p.PrivatePort}
                    </span>
                ))}
                {(row.ports ?? []).length > 3 && <span className="text-xs text-white/30">+{row.ports.length - 3}</span>}
            </div>
        )},
        { header: '', key: 'actions', render: row => (
            <div className="flex items-center gap-1" onClick={e => e.stopPropagation()}>
                {row.state === 'running' ? (
                    <>
                        <button onClick={() => action(row.id, 'stop')} disabled={actionLoading?.startsWith(row.id)}
                            className="p-1.5 rounded-lg hover:bg-red-500/20 text-white/40 hover:text-red-400 transition-colors" title="Stop">
                            <Square className="w-3.5 h-3.5" />
                        </button>
                        <button onClick={() => action(row.id, 'restart')} disabled={actionLoading?.startsWith(row.id)}
                            className="p-1.5 rounded-lg hover:bg-yellow-500/20 text-white/40 hover:text-yellow-400 transition-colors" title="Restart">
                            <RotateCcw className="w-3.5 h-3.5" />
                        </button>
                    </>
                ) : (
                    <button onClick={() => action(row.id, 'start')} disabled={actionLoading?.startsWith(row.id)}
                        className="p-1.5 rounded-lg hover:bg-green-500/20 text-white/40 hover:text-green-400 transition-colors" title="Start">
                        <Play className="w-3.5 h-3.5" />
                    </button>
                )}
                <a href={`/containers/${row.id}/logs`} className="p-1.5 rounded-lg hover:bg-white/10 text-white/40 hover:text-white transition-colors" title="Logs">
                    <Terminal className="w-3.5 h-3.5" />
                </a>
                <a href={`/containers/${row.id}/stats`} className="p-1.5 rounded-lg hover:bg-white/10 text-white/40 hover:text-white transition-colors" title="Stats">
                    <BarChart2 className="w-3.5 h-3.5" />
                </a>
            </div>
        )},
    ];

    const running   = (containers.data ?? []).filter(c => c.state === 'running').length;
    const stopped   = (containers.data ?? []).filter(c => c.state !== 'running').length;

    return (
        <AppLayout title="Containers">
            <Head title="Containers" />
            <div className="space-y-5">
                <div className="flex items-center justify-between">
                    <div>
                        <h2 className="text-xl font-bold text-white">Containers</h2>
                        <p className="text-sm text-white/40">Manage Docker containers across all endpoints</p>
                    </div>
                    <div className="flex gap-2">
                        <a href="/stacks"><Button variant="secondary">Stacks</Button></a>
                        <a href="/stacks/create"><Button icon={Plus}>Deploy Stack</Button></a>
                    </div>
                </div>

                <div className="grid grid-cols-2 lg:grid-cols-4 gap-3">
                    <StatCard title="Endpoints" value={endpoints?.length ?? 0} color="cyan" />
                    <StatCard title="Total"     value={containers.total ?? 0} color="blue" />
                    <StatCard title="Running"   value={running}  color="green" />
                    <StatCard title="Stopped"   value={stopped}  color="red" />
                </div>

                {/* Endpoint filter tabs */}
                {endpoints?.length > 0 && (
                    <div className="flex items-center gap-2 flex-wrap">
                        <button onClick={() => setSelectedEndpoint(null)}
                            className={cn('px-3 py-1.5 rounded-lg text-xs font-medium border transition-all',
                                !selectedEndpoint ? 'border-cyan-500/50 bg-cyan-500/10 text-cyan-400' : 'border-white/10 text-white/40 hover:text-white hover:border-white/20'
                            )}>All Endpoints</button>
                        {endpoints.map(e => (
                            <button key={e.id} onClick={() => setSelectedEndpoint(e.id)}
                                className={cn('px-3 py-1.5 rounded-lg text-xs font-medium border transition-all',
                                    selectedEndpoint === e.id ? 'border-cyan-500/50 bg-cyan-500/10 text-cyan-400' : 'border-white/10 text-white/40 hover:text-white hover:border-white/20'
                                )}>{e.name}</button>
                        ))}
                    </div>
                )}

                <GlassCard className="p-5">
                    <DataTable
                        columns={columns}
                        data={filtered}
                        onRowClick={row => router.visit(`/containers/${row.id}`)}
                        emptyMessage="No containers found. Add a Docker endpoint to get started."
                    />
                </GlassCard>
            </div>
        </AppLayout>
    );
}