import test from "node:test";
import assert from "node:assert/strict";
import {
  buildClaudeAuthEnv,
  loadConfig,
  resolveAnthropicToken,
  resolveOpenAiApiKey,
} 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(config.runtimeEvents.logPath, ".ai_ops/events/runtime-events.ndjson");
  assert.equal(config.runtimeEvents.discordMinSeverity, "critical");
  assert.deepEqual(config.runtimeEvents.discordAlwaysNotifyTypes, [
    "session.started",
    "session.completed",
    "session.failed",
  ]);
  assert.equal(config.provider.openAiAuthMode, "auto");
  assert.equal(Object.isFrozen(config), true);
  assert.equal(Object.isFrozen(config.orchestration), true);
});

test("validates OPENAI_AUTH_MODE values", () => {
  assert.throws(
    () => loadConfig({ OPENAI_AUTH_MODE: "oauth" }),
    /OPENAI_AUTH_MODE must be one of/,
  );
});

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("validates runtime discord severity mode", () => {
  assert.throws(
    () => loadConfig({ AGENT_RUNTIME_DISCORD_MIN_SEVERITY: "verbose" }),
    /Runtime event severity/,
  );
});

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(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(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");
});

test("resolveOpenAiApiKey respects chatgpt auth mode", () => {
  const config = loadConfig({
    OPENAI_AUTH_MODE: "chatgpt",
    CODEX_API_KEY: "codex-key",
    OPENAI_API_KEY: "openai-key",
  });

  assert.equal(resolveOpenAiApiKey(config.provider), undefined);
});

test("resolveOpenAiApiKey prefers CODEX_API_KEY in auto mode", () => {
  const config = loadConfig({
    OPENAI_AUTH_MODE: "auto",
    CODEX_API_KEY: "codex-key",
    OPENAI_API_KEY: "openai-key",
  });

  assert.equal(resolveOpenAiApiKey(config.provider), "codex-key");
});

test("normalizes anthropic-prefixed CLAUDE_MODEL values", () => {
  const config = loadConfig({
    CLAUDE_MODEL: "anthropic/claude-sonnet-4-6",
  });

  assert.equal(config.provider.claudeModel, "claude-sonnet-4-6");
});

test("normalizes AGENT_WORKTREE_TARGET_PATH", () => {
  const config = loadConfig({
    AGENT_WORKTREE_TARGET_PATH: "./src/agents/",
  });

  assert.equal(config.provisioning.gitWorktree.targetPath, "src/agents");
});

test("validates AGENT_WORKTREE_TARGET_PATH against parent traversal", () => {
  assert.throws(
    () => loadConfig({ AGENT_WORKTREE_TARGET_PATH: "../secrets" }),
    /must not contain "\.\." path segments/,
  );
});