import { NextRequest, NextResponse } from 'next/server';
import prisma from '@/lib/prisma';
import { getGeoInfo } from '@/lib/geo';

export async function POST(request: NextRequest) {
  try {
    const body = await request.json();
    const { type, path, label, value, metadata } = body;

    if (!type || !path) {
      return NextResponse.json({ error: 'Type et Path requis' }, { status: 400 });
    }

    // Extract detailed info from headers
    const userAgent = request.headers.get('user-agent') || '';
    const referrer = request.headers.get('referer') || '';
    const ip = request.headers.get('x-forwarded-for')?.split(',')[0] || '127.0.0.1';
    
    // Basic User-Agent parsing
    const isMobile = /mobile/i.test(userAgent);
    const device = isMobile ? 'Mobile' : 'Desktop';
    
    let browser = 'Other';
    if (/chrome|crios/i.test(userAgent)) browser = 'Chrome';
    else if (/firefox|fxios/i.test(userAgent)) browser = 'Firefox';
    else if (/safari/i.test(userAgent)) browser = 'Safari';
    else if (/edge/i.test(userAgent)) browser = 'Edge';

    let os = 'Other';
    if (/windows/i.test(userAgent)) os = 'Windows';
    else if (/macintosh/i.test(userAgent)) os = 'macOS';
    else if (/android/i.test(userAgent)) os = 'Android';
    else if (/iphone|ipad/i.test(userAgent)) os = 'iOS';

    // Simple Country detection
    const { country, city } = await getGeoInfo(ip, request.headers);

    const event = await prisma.analyticsEvent.create({
      data: {
        type,
        path,
        label: label || null,
        value: value || null,
        metadata: metadata || {},
        ip,
        country,
        browser,
        os,
        device,
        referrer,
        userId: metadata?.userId || null,
      },
    });

    return NextResponse.json({ success: true, id: event.id });
  } catch (error) {
    console.error('Error recording analytics event:', error);
    return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 });
  }
}