import { NextResponse } from 'next/server'
import { prisma } from '@/lib/prisma'
import { getCurrentUser } from '@/lib/auth'

export async function GET() {
  try {
    const user = await getCurrentUser()
    if (!user) return NextResponse.json({ error: 'Non authentifié' }, { status: 401 })

    const servers: any[] = await prisma.$queryRawUnsafe(`
      SELECT s.*,
        (SELECT json_build_object(
          'cpuUsage', sm."cpuUsage",
          'ramUsage', sm."ramUsage",
          'diskUsage', sm."diskUsage",
          'uptime', sm.uptime,
          'timestamp', sm."timestamp"
        ) FROM "ServerMetric" sm
        WHERE sm."serverId" = s.id
        ORDER BY sm."timestamp" DESC LIMIT 1) as latest_metric
      FROM "Server" s
      WHERE s."userId" = $1
      ORDER BY s.name ASC
    `, user.id)

    const parsed = servers.map((s: any) => ({
      ...s,
      latest_metric: s.latest_metric || null,
    }))

    return NextResponse.json(parsed)
  } catch (error) {
    console.error(error)
    return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 })
  }
}

export async function POST(request: Request) {
  try {
    const user = await getCurrentUser()
    if (!user) return NextResponse.json({ error: 'Non authentifié' }, { status: 401 })

    const body = await request.json()
    const id = `${Date.now().toString(36)}-${Math.random().toString(36).substr(2, 9)}`
    const now = new Date()

    const { name, ip, os, cpu, ram, disk, startDate, endDate, monthlyCost, status, notes } = body

    await prisma.$executeRawUnsafe(`
      INSERT INTO "Server" (id, "userId", name, ip, os, cpu, ram, disk, "startDate", "endDate", "monthlyCost", status, notes, "createdAt", "updatedAt")
      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15)
    `, id, user.id, name || '', ip || '', os || '', cpu || '', ram || '', disk || '',
       startDate ? new Date(startDate) : null, endDate ? new Date(endDate) : null,
       monthlyCost ? Number(monthlyCost) : 0, status || 'ACTIVE', notes || '', now, now)

    const created: any[] = await prisma.$queryRawUnsafe(`SELECT * FROM "Server" WHERE id = $1`, id)

    return NextResponse.json(created[0])
  } catch (error) {
    console.error(error)
    return NextResponse.json({ error: 'Erreur serveur' }, { status: 500 })
  }
}