"use strict";

const test = require("node:test");
const assert = require("node:assert/strict");

function withTempEnv(patch, run) {
  const previous = {};
  for (const key of Object.keys(patch)) {
    previous[key] = process.env[key];
    if (patch[key] === undefined) {
      delete process.env[key];
    } else {
      process.env[key] = patch[key];
    }
  }

  try {
    delete require.cache[require.resolve("../src/config")];
    run();
  } finally {
    for (const key of Object.keys(patch)) {
      if (previous[key] === undefined) {
        delete process.env[key];
      } else {
        process.env[key] = previous[key];
      }
    }
    delete require.cache[require.resolve("../src/config")];
  }
}

test("config uses defaults when env is missing", () => {
  withTempEnv({
    PORT: "",
    LOG_LEVEL: "",
    APP_BASE_URL: "",
    BETTER_AUTH_SECRET: "",
    BETTER_AUTH_BASE_PATH: "",
    INTERNAL_API_TOKEN: "",
    QWEN_TTS_MODEL: "",
    MINIO_SIGNED_URL_TTL_SEC: "",
    MINIO_USE_SSL: "",
    WEBHOOK_RPM: "",
  }, () => {
    const { config } = require("../src/config");
    assert.equal(config.port, 3000);
    assert.equal(config.logLevel, "info");
    assert.equal(config.appBaseUrl, "http://localhost:3000");
    assert.equal(config.betterAuthBasePath, "/api/auth");
    assert.equal(config.internalApiToken, "");
    assert.equal(config.qwenTtsModel, "qwen-tts-latest");
    assert.equal(config.minioSignedUrlTtlSec, 3600);
    assert.equal(config.minioUseSSL, true);
    assert.equal(config.rateLimits.webhookPerMinute, 120);
    assert.equal(config.abuse.maxJobsPerUserPerDay, 0);
    assert.equal(config.abuse.cooldownSec, 0);
    assert.deepEqual(config.abuse.denyUserIds, []);
  });
});

test("config reads convex/qwen/minio overrides", () => {
  withTempEnv({
    PORT: "8080",
    LOG_LEVEL: "debug",
    APP_BASE_URL: "https://xartaudio.app",
    BETTER_AUTH_SECRET: "prod-secret",
    BETTER_AUTH_BASE_PATH: "/api/auth",
    BETTER_AUTH_DEV_PASSWORD: "xartaudio-dev-password",
    INTERNAL_API_TOKEN: "internal-token",
    CONVEX_DEPLOYMENT_URL: "https://example.convex.cloud",
    CONVEX_AUTH_TOKEN: "convex-token",
    CONVEX_STATE_QUERY: "state:get",
    CONVEX_STATE_MUTATION: "state:put",
    QWEN_TTS_MODEL: "qwen3-tts",
    MINIO_ENDPOINT: "minio.internal",
    MINIO_PORT: "9000",
    MINIO_USE_SSL: "false",
    MINIO_BUCKET: "audio",
    MINIO_SIGNED_URL_TTL_SEC: "7200",
    WEBHOOK_RPM: "77",
    ABUSE_MAX_JOBS_PER_USER_PER_DAY: "5",
    ABUSE_COOLDOWN_SEC: "120",
    ABUSE_DENY_USER_IDS: "u1,u2",
  }, () => {
    const { config } = require("../src/config");
    assert.equal(config.port, 8080);
    assert.equal(config.logLevel, "debug");
    assert.equal(config.appBaseUrl, "https://xartaudio.app");
    assert.equal(config.betterAuthSecret, "prod-secret");
    assert.equal(config.internalApiToken, "internal-token");
    assert.equal(config.convexDeploymentUrl, "https://example.convex.cloud");
    assert.equal(config.convexAuthToken, "convex-token");
    assert.equal(config.convexStateQuery, "state:get");
    assert.equal(config.convexStateMutation, "state:put");
    assert.equal(config.qwenTtsModel, "qwen3-tts");
    assert.equal(config.minioEndPoint, "minio.internal");
    assert.equal(config.minioPort, 9000);
    assert.equal(config.minioUseSSL, false);
    assert.equal(config.minioBucket, "audio");
    assert.equal(config.minioSignedUrlTtlSec, 7200);
    assert.equal(config.rateLimits.webhookPerMinute, 77);
    assert.equal(config.abuse.maxJobsPerUserPerDay, 5);
    assert.equal(config.abuse.cooldownSec, 120);
    assert.deepEqual(config.abuse.denyUserIds, ["u1", "u2"]);
  });
});