import { NextRequest, NextResponse } from 'next/server'
import { getAllToolsComplete } from '@/lib/tools/index'

/**
 * GET /api/v1/tools
 * List all available AI tools with their metadata.
 * No authentication required.
 * 
 * Query params:
 *   category  - filter by category
 *   q         - search term
 *   limit     - max results (default: 50, max: 200)
 */
export async function GET(request: NextRequest) {
    try {
        const { searchParams } = new URL(request.url)
        const category = searchParams.get('category') || ''
        const q = searchParams.get('q')?.toLowerCase() || ''
        const limit = Math.min(200, Math.max(1, parseInt(searchParams.get('limit') || '50')))

        let tools = getAllToolsComplete()

        if (category) {
            tools = tools.filter((t) => t.category.toLowerCase() === category.toLowerCase())
        }

        if (q) {
            tools = tools.filter(
                (t) =>
                    t.name.toLowerCase().includes(q) ||
                    t.description.toLowerCase().includes(q) ||
                    t.category.toLowerCase().includes(q),
            )
        }

        const limited = tools.slice(0, limit)

        return NextResponse.json({
            data: limited.map((t) => ({
                slug: t.slug,
                name: t.name,
                description: t.description,
                category: t.category,
                icon: t.icon,
                isPremium: t.isPremium ?? false,
            })),
            total: limited.length,
            totalAll: tools.length,
        }, {
            headers: {
                'Cache-Control': 'public, s-maxage=3600, stale-while-revalidate=86400',
            },
        })
    } catch (error) {
        console.error('GET /api/v1/tools error:', error)
        return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
    }
}