import test from "node:test";
import assert from "node:assert/strict";
import { buildClaudeAuthEnv, loadConfig, resolveAnthropicToken } from "../src/config.js";

test("loads defaults and freezes config", () => {
  const config = loadConfig({});

  assert.equal(config.agentManager.maxConcurrentAgents, 4);
  assert.equal(config.orchestration.maxDepth, 4);
  assert.equal(config.provisioning.portRange.basePort, 36000);
  assert.equal(config.discovery.fileRelativePath, ".agent-context/resources.json");
  assert.equal(config.security.violationHandling, "hard_abort");
  assert.equal(config.security.commandTimeoutMs, 120000);
  assert.equal(Object.isFrozen(config), true);
  assert.equal(Object.isFrozen(config.orchestration), true);
});

test("validates boolean env values", () => {
  assert.throws(
    () => loadConfig({ CODEX_SKIP_GIT_CHECK: "maybe" }),
    /must be "true" or "false"/,
  );
});

test("validates security violation mode", () => {
  assert.throws(
    () => loadConfig({ AGENT_SECURITY_VIOLATION_MODE: "retry_forever" }),
    /invalid_union|Invalid input/i,
  );
});

test("prefers CLAUDE_CODE_OAUTH_TOKEN over ANTHROPIC_API_KEY", () => {
  const config = loadConfig({
    CLAUDE_CODE_OAUTH_TOKEN: "oauth-token",
    ANTHROPIC_API_KEY: "api-key",
  });

  assert.equal(config.provider.anthropicOauthToken, "oauth-token");
  assert.equal(config.provider.anthropicApiKey, "api-key");
  assert.equal(config.provider.anthropicToken, "oauth-token");
  assert.equal(resolveAnthropicToken(config.provider), "oauth-token");

  const authEnv = buildClaudeAuthEnv(config.provider);
  assert.equal(authEnv.CLAUDE_CODE_OAUTH_TOKEN, "oauth-token");
  assert.equal(authEnv.ANTHROPIC_API_KEY, undefined);
});

test("falls back to ANTHROPIC_API_KEY when oauth token is absent", () => {
  const config = loadConfig({
    ANTHROPIC_API_KEY: "api-key",
  });

  assert.equal(config.provider.anthropicOauthToken, undefined);
  assert.equal(config.provider.anthropicApiKey, "api-key");
  assert.equal(config.provider.anthropicToken, "api-key");
  assert.equal(resolveAnthropicToken(config.provider), "api-key");

  const authEnv = buildClaudeAuthEnv(config.provider);
  assert.equal(authEnv.CLAUDE_CODE_OAUTH_TOKEN, undefined);
  assert.equal(authEnv.ANTHROPIC_API_KEY, "api-key");
});