import AppLayout from '@/Layouts/AppLayout';
import { Head, router } from '@inertiajs/react';
import { Cloud, Plus, RefreshCw, Server, HardDrive, Database, Globe } 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 { timeAgo } from '@/lib/utils';
import { motion } from 'framer-motion';
import { useState } from 'react';

const PROVIDERS = {
    aws:          { label: 'Amazon Web Services', color: '#FF9900', icon: '☁' },
    alibaba:      { label: 'Alibaba Cloud',        color: '#FF6A00', icon: '☁' },
    tencent:      { label: 'Tencent Cloud',        color: '#00A3FF', icon: '☁' },
    gcp:          { label: 'Google Cloud',         color: '#4285F4', icon: '☁' },
    azure:        { label: 'Microsoft Azure',      color: '#0078D4', icon: '☁' },
    digitalocean: { label: 'DigitalOcean',         color: '#0080FF', icon: '☁' },
    vultr:        { label: 'Vultr',                color: '#007BFC', icon: '☁' },
    hetzner:      { label: 'Hetzner',              color: '#D50C2D', icon: '☁' },
};

const RESOURCE_ICONS = { ec2: Server, s3: HardDrive, rds: Database, vpc: Globe };

export default function CloudIndex({ accounts, resources, stats }) {
    const [syncLoading, setSyncLoading] = useState(null);
    const [selectedAccount, setSelectedAccount] = useState(null);

    const sync = (id) => {
        setSyncLoading(id);
        router.post(`/cloud/accounts/${id}/sync`, {}, { onFinish: () => setSyncLoading(null) });
    };

    const accountColumns = [
        { header: 'Account', accessor: 'name', render: row => {
            const p = PROVIDERS[row.provider] ?? {};
            return (
                <div className="flex items-center gap-3">
                    <div className="w-9 h-9 rounded-lg bg-white/5 border border-white/10 flex items-center justify-center text-base font-bold"
                         style={{ color: p.color }}>{row.provider?.toUpperCase().slice(0, 2)}</div>
                    <div>
                        <p className="font-medium text-white">{row.name}</p>
                        <p className="text-xs" style={{ color: p.color ?? '#fff' }}>{p.label ?? row.provider}</p>
                    </div>
                </div>
            );
        }},
        { header: 'Account ID', accessor: 'account_id', render: row => (
            <span className="font-mono text-xs text-white/50">{row.account_id ?? '—'}</span>
        )},
        { header: 'Region', accessor: 'region', render: row => (
            <span className="text-xs text-white/60">{row.region ?? '—'}</span>
        )},
        { header: 'Status', accessor: 'status', render: row => <StatusBadge status={row.status} /> },
        { header: 'Last Sync', accessor: 'last_sync_at', render: row => (
            <span className="text-xs text-white/40">{timeAgo(row.last_sync_at)}</span>
        )},
        { header: '', key: 'actions', render: row => (
            <div className="flex items-center gap-1" onClick={e => e.stopPropagation()}>
                <button onClick={() => sync(row.id)} disabled={syncLoading === row.id}
                    className="p-1.5 rounded-lg hover:bg-white/10 text-white/40 hover:text-cyan-400 transition-colors">
                    <RefreshCw className={`w-3.5 h-3.5 ${syncLoading === row.id ? 'animate-spin' : ''}`} />
                </button>
            </div>
        )},
    ];

    const resourceColumns = [
        { header: 'Resource', accessor: 'name', render: row => {
            const Icon = RESOURCE_ICONS[row.resource_type] ?? Cloud;
            return (
                <div className="flex items-center gap-3">
                    <Icon className="w-4 h-4 text-white/40" />
                    <div>
                        <p className="text-sm text-white">{row.name}</p>
                        <p className="font-mono text-xs text-white/30">{row.resource_id}</p>
                    </div>
                </div>
            );
        }},
        { header: 'Type', accessor: 'resource_type', render: row => (
            <span className="font-mono text-xs px-2 py-0.5 rounded bg-white/5 text-white/60">{row.resource_type}</span>
        )},
        { header: 'Region', accessor: 'region', render: row => (
            <span className="text-xs text-white/60">{row.region}</span>
        )},
        { header: 'Status', accessor: 'status', render: row => <StatusBadge status={row.status} /> },
        { header: 'Cost/mo', accessor: 'monthly_cost', render: row => (
            row.monthly_cost ? <span className="text-xs text-green-400 font-mono">${row.monthly_cost}</span> : <span className="text-xs text-white/20">—</span>
        )},
    ];

    return (
        <AppLayout title="Cloud">
            <Head title="Cloud Management" />
            <div className="space-y-5">
                <div className="flex items-center justify-between">
                    <div>
                        <h2 className="text-xl font-bold text-white">Cloud Management</h2>
                        <p className="text-sm text-white/40">AWS, Alibaba, Tencent, GCP, Azure and more</p>
                    </div>
                    <a href="/cloud/accounts/create">
                        <Button icon={Plus}>Add Account</Button>
                    </a>
                </div>

                {/* Provider cards */}
                <div className="grid grid-cols-2 md:grid-cols-4 gap-3">
                    {Object.entries(PROVIDERS).slice(0, 4).map(([key, p]) => {
                        const count = accounts?.filter(a => a.provider === key).length ?? 0;
                        return (
                            <GlassCard key={key} className="p-4">
                                <div className="flex items-center gap-3">
                                    <div className="text-2xl font-bold" style={{ color: p.color }}>
                                        {key.toUpperCase().slice(0, 2)}
                                    </div>
                                    <div>
                                        <p className="text-sm text-white font-medium">{key.toUpperCase()}</p>
                                        <p className="text-xs text-white/40">{count} account{count !== 1 ? 's' : ''}</p>
                                    </div>
                                </div>
                            </GlassCard>
                        );
                    })}
                </div>

                {/* Accounts */}
                <GlassCard className="p-5">
                    <h3 className="text-sm font-semibold text-white mb-4">Cloud Accounts</h3>
                    <DataTable
                        columns={accountColumns}
                        data={accounts ?? []}
                        onRowClick={row => router.visit(`/cloud/accounts/${row.id}`)}
                        emptyMessage="No cloud accounts. Add your first account to get started."
                    />
                </GlassCard>

                {/* Resources */}
                <GlassCard className="p-5">
                    <h3 className="text-sm font-semibold text-white mb-4">Cloud Resources</h3>
                    <DataTable
                        columns={resourceColumns}
                        data={resources?.data ?? []}
                        emptyMessage="No resources synced yet. Sync a cloud account to see resources."
                    />
                </GlassCard>
            </div>
        </AppLayout>
    );
}