import axios from "axios";
import { resolveCurrentAcaiUser } from "./sessionHelpers.js";

const PYTHON_BASE = `http://app:${process.env.ACAI_PORT || 9091}`;

/**
 * Construye el set de headers comunes para llamadas al server Python interno.
 * Inyecta automaticamente `X-Acai-User` cuando hay sesion MCP activa con
 * `acai_user` conocido, lo que permite a los endpoints autenticados identificar
 * al usuario sin Authorization Basic.
 */
function buildPythonHeaders(extra = {}) {
    const authHeader = process.env.ACAI_AUTH_HEADER || "";
    const mode = process.env.ACAI_MODE_OVERRIDE || process.env.ACAI_MODE || "";
    const role = process.env.ACAI_ROLE_OVERRIDE || "";
    const acaiUser = resolveCurrentAcaiUser();

    return {
        "Content-Type": "application/json",
        ...(authHeader ? { "Authorization": authHeader } : {}),
        ...(mode ? { "X-Acai-Mode": mode } : {}),
        ...(role ? { "X-Acai-Role": role } : {}),
        ...(acaiUser ? { "X-Acai-User": acaiUser } : {}),
        ...extra,
    };
}

export async function pythonPost(path, data, timeout = 120000) {
    const response = await axios.post(`${PYTHON_BASE}${path}`, data, {
        headers: buildPythonHeaders(),
        timeout,
        maxBodyLength: Infinity,
        maxContentLength: Infinity,
    });
    return response.data;
}

export async function pythonGet(path, params = null, timeout = 30000) {
    const response = await axios.get(`${PYTHON_BASE}${path}`, {
        params: params || undefined,
        headers: buildPythonHeaders(),
        timeout,
    });
    return response.data;
}