import { NextRequest, NextResponse } from "next/server";
import { getPool } from "@/services/database";
import { isUserAuthenticated } from "@/lib/server-auth";

// GET - Récupérer la liste des utilisateurs
export async function GET(request: NextRequest) {
  try {
    // Vérifier l'authentification
    const isAuthenticated = await isUserAuthenticated();
    if (!isAuthenticated) {
      return NextResponse.json({ error: "Non autorisé" }, { status: 401 });
    }

    const pool = getPool();

    // Récupérer tous les utilisateurs avec leurs informations d'équipe et d'évaluations
    const query = `
      SELECT 
        u.uuid_id,
        u.first_name,
        u.last_name,
        t.name as team_name,
        CASE 
          WHEN ue.id IS NOT NULL THEN true 
          ELSE false 
        END as has_evaluations
      FROM users u
      LEFT JOIN teams t ON u.team_id = t.id
      LEFT JOIN user_evaluations ue ON u.uuid_id = ue.user_uuid
      ORDER BY u.first_name, u.last_name
    `;

    const result = await pool.query(query);

    const users = result.rows.map((row) => ({
      uuid: row.uuid_id,
      firstName: row.first_name,
      lastName: row.last_name,
      teamName: row.team_name,
      hasEvaluations: row.has_evaluations,
    }));

    return NextResponse.json(users);
  } catch (error) {
    console.error("Error fetching users:", error);
    return NextResponse.json(
      { error: "Erreur lors de la récupération des utilisateurs" },
      { status: 500 }
    );
  }
}