/**
 * GSD Tools Tests - config.cjs
 *
 * CLI integration tests for config-ensure-section, config-set, and config-get
 * commands exercised through gsd-tools.cjs via execSync.
 *
 * Requirements: TEST-13
 */

const { test, describe, beforeEach, afterEach } = require('node:test');
const assert = require('node:assert');
const fs = require('fs');
const path = require('path');
const { runGsdTools, createTempProject, cleanup } = require('./helpers.cjs');

// ─── helpers ──────────────────────────────────────────────────────────────────

function readConfig(tmpDir) {
  const configPath = path.join(tmpDir, '.planning', 'config.json');
  return JSON.parse(fs.readFileSync(configPath, 'utf-8'));
}

function writeConfig(tmpDir, obj) {
  const configPath = path.join(tmpDir, '.planning', 'config.json');
  fs.writeFileSync(configPath, JSON.stringify(obj, null, 2), 'utf-8');
}

// ─── config-ensure-section ───────────────────────────────────────────────────

describe('config-ensure-section command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('creates config.json with expected structure and types', () => {
    const result = runGsdTools('config-ensure-section', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.created, true);

    const config = readConfig(tmpDir);
    // Verify structure and types — exact values may vary if ~/.gsd/defaults.json exists
    assert.strictEqual(typeof config.model_profile, 'string');
    assert.strictEqual(typeof config.commit_docs, 'boolean');
    assert.strictEqual(typeof config.parallelization, 'boolean');
    assert.ok(config.git && typeof config.git === 'object', 'git should be an object');
    assert.strictEqual(typeof config.git.branching_strategy, 'string');
    assert.ok(config.workflow && typeof config.workflow === 'object', 'workflow should be an object');
    assert.strictEqual(typeof config.workflow.research, 'boolean');
    assert.strictEqual(typeof config.workflow.plan_check, 'boolean');
    assert.strictEqual(typeof config.workflow.verifier, 'boolean');
    assert.strictEqual(typeof config.workflow.nyquist_validation, 'boolean');
    // These hardcoded defaults are always present (may be overridden by user defaults)
    assert.ok('model_profile' in config, 'model_profile should exist');
    assert.ok('brave_search' in config, 'brave_search should exist');
    assert.ok('search_gitignored' in config, 'search_gitignored should exist');
  });

  test('is idempotent — returns already_exists on second call', () => {
    const first = runGsdTools('config-ensure-section', tmpDir);
    assert.ok(first.success, `First call failed: ${first.error}`);
    const firstOutput = JSON.parse(first.output);
    assert.strictEqual(firstOutput.created, true);

    const second = runGsdTools('config-ensure-section', tmpDir);
    assert.ok(second.success, `Second call failed: ${second.error}`);
    const secondOutput = JSON.parse(second.output);
    assert.strictEqual(secondOutput.created, false);
    assert.strictEqual(secondOutput.reason, 'already_exists');
  });

  test('detects Brave Search from file-based key', () => {
    // runGsdTools sandboxes HOME=tmpDir, so brave_api_key is written there —
    // no real filesystem side effects, cleanup happens via afterEach.
    const gsdDir = path.join(tmpDir, '.gsd');
    fs.mkdirSync(gsdDir, { recursive: true });
    fs.writeFileSync(path.join(gsdDir, 'brave_api_key'), 'test-key', 'utf-8');

    const result = runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.brave_search, true);
  });

  test('merges user defaults from defaults.json', () => {
    // runGsdTools sandboxes HOME=tmpDir, so defaults.json is written there —
    // no real filesystem side effects, cleanup happens via afterEach.
    const gsdDir = path.join(tmpDir, '.gsd');
    fs.mkdirSync(gsdDir, { recursive: true });
    fs.writeFileSync(path.join(gsdDir, 'defaults.json'), JSON.stringify({
      model_profile: 'quality',
      commit_docs: false,
    }), 'utf-8');

    const result = runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'quality', 'model_profile should be overridden');
    assert.strictEqual(config.commit_docs, false, 'commit_docs should be overridden');
    assert.ok(config.git && typeof config.git === 'object', 'git should be an object');
    assert.strictEqual(typeof config.git.branching_strategy, 'string', 'git.branching_strategy should be a string');
  });

  test('merges nested workflow keys from defaults.json preserving unset keys', () => {
    // runGsdTools sandboxes HOME=tmpDir, so defaults.json is written there —
    // no real filesystem side effects, cleanup happens via afterEach.
    const gsdDir = path.join(tmpDir, '.gsd');
    fs.mkdirSync(gsdDir, { recursive: true });
    fs.writeFileSync(path.join(gsdDir, 'defaults.json'), JSON.stringify({
      workflow: { research: false },
    }), 'utf-8');

    const result = runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.research, false, 'research should be overridden');
    assert.strictEqual(typeof config.workflow.plan_check, 'boolean', 'plan_check should be a boolean');
    assert.strictEqual(typeof config.workflow.verifier, 'boolean', 'verifier should be a boolean');
  });
});

// ─── config-set ──────────────────────────────────────────────────────────────

describe('config-set command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    // Create initial config
    runGsdTools('config-ensure-section', tmpDir);
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('sets a top-level string value', () => {
    const result = runGsdTools('config-set model_profile quality', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.updated, true);
    assert.strictEqual(output.key, 'model_profile');
    assert.strictEqual(output.value, 'quality');

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'quality');
  });

  test('coerces true to boolean', () => {
    const result = runGsdTools('config-set commit_docs true', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.commit_docs, true);
    assert.strictEqual(typeof config.commit_docs, 'boolean');
  });

  test('coerces false to boolean', () => {
    const result = runGsdTools('config-set commit_docs false', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.commit_docs, false);
    assert.strictEqual(typeof config.commit_docs, 'boolean');
  });

  test('coerces numeric strings to numbers', () => {
    const result = runGsdTools('config-set granularity 42', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.granularity, 42);
    assert.strictEqual(typeof config.granularity, 'number');
  });

  test('preserves plain strings', () => {
    const result = runGsdTools('config-set model_profile hello', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'hello');
    assert.strictEqual(typeof config.model_profile, 'string');
  });

  test('sets nested values via dot-notation', () => {
    const result = runGsdTools('config-set workflow.research false', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.research, false);
  });

  test('auto-creates nested objects for dot-notation', () => {
    // Start with empty config
    writeConfig(tmpDir, {});

    const result = runGsdTools('config-set workflow.research false', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.research, false);
    assert.strictEqual(typeof config.workflow, 'object');
  });

  test('rejects unknown config keys', () => {
    const result = runGsdTools('config-set workflow.nyquist_validation_enabled false', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Unknown config key'),
      `Expected "Unknown config key" in error: ${result.error}`
    );
  });

  test('sets workflow.text_mode for remote session support', () => {
    writeConfig(tmpDir, {});

    const result = runGsdTools('config-set workflow.text_mode true', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.text_mode, true);
  });

  test('errors when no key path provided', () => {
    const result = runGsdTools('config-set', tmpDir);
    assert.strictEqual(result.success, false);
  });

  test('rejects known invalid nyquist alias keys with a suggestion', () => {
    const result = runGsdTools('config-set workflow.nyquist_validation_enabled false', tmpDir);
    assert.strictEqual(result.success, false);
    assert.match(result.error, /Unknown config key: workflow\.nyquist_validation_enabled/);
    assert.match(result.error, /workflow\.nyquist_validation/);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.nyquist_validation_enabled, undefined);
    assert.strictEqual(config.workflow.nyquist_validation, true);
  });
});

// ─── config-get ──────────────────────────────────────────────────────────────

describe('config-get command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    // Create config with known values — sandbox HOME to avoid global defaults
    runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('gets a top-level value', () => {
    const result = runGsdTools('config-get model_profile', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output, 'balanced');
  });

  test('gets a nested value via dot-notation', () => {
    const result = runGsdTools('config-get workflow.research', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output, true);
  });

  test('errors for nonexistent key', () => {
    const result = runGsdTools('config-get nonexistent_key', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Key not found'),
      `Expected "Key not found" in error: ${result.error}`
    );
  });

  test('errors for deeply nested nonexistent key', () => {
    const result = runGsdTools('config-get workflow.nonexistent', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Key not found'),
      `Expected "Key not found" in error: ${result.error}`
    );
  });

  describe('when config.json does not exist', () => {
    let emptyTmpDir;

    beforeEach(() => {
      emptyTmpDir = createTempProject();
    });

    afterEach(() => {
      cleanup(emptyTmpDir);
    });

    test('errors when config.json does not exist', () => {
      const result = runGsdTools('config-get model_profile', emptyTmpDir);
      assert.strictEqual(result.success, false);
      assert.ok(
        result.error.includes('No config.json'),
        `Expected "No config.json" in error: ${result.error}`
      );
    });
  });

  test('errors when no key path provided', () => {
    const result = runGsdTools('config-get', tmpDir);
    assert.strictEqual(result.success, false);
  });
});

// ─── config-new-project ───────────────────────────────────────────────────────

describe('config-new-project command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('creates full config with all expected keys', () => {
    const choices = JSON.stringify({
      mode: 'interactive',
      granularity: 'standard',
      parallelization: true,
      commit_docs: true,
      model_profile: 'balanced',
      workflow: { research: true, plan_check: true, verifier: true, nyquist_validation: true },
    });
    const result = runGsdTools(['config-new-project', choices], tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);

    // User choices present
    assert.strictEqual(config.mode, 'interactive');
    assert.strictEqual(config.granularity, 'standard');
    assert.strictEqual(config.parallelization, true);
    assert.strictEqual(config.commit_docs, true);
    assert.strictEqual(config.model_profile, 'balanced');

    // Defaults materialized — these were silently missing before
    assert.strictEqual(typeof config.search_gitignored, 'boolean');
    assert.strictEqual(typeof config.brave_search, 'boolean');

    // git section present with all three keys
    assert.ok(config.git && typeof config.git === 'object', 'git section should exist');
    assert.strictEqual(config.git.branching_strategy, 'none');
    assert.strictEqual(config.git.phase_branch_template, 'gsd/phase-{phase}-{slug}');
    assert.strictEqual(config.git.milestone_branch_template, 'gsd/{milestone}-{slug}');

    // workflow section present with all keys
    assert.ok(config.workflow && typeof config.workflow === 'object', 'workflow section should exist');
    assert.strictEqual(config.workflow.research, true);
    assert.strictEqual(config.workflow.plan_check, true);
    assert.strictEqual(config.workflow.verifier, true);
    assert.strictEqual(config.workflow.nyquist_validation, true);
    assert.strictEqual(config.workflow.auto_advance, false);
    assert.strictEqual(config.workflow.node_repair, true);
    assert.strictEqual(config.workflow.node_repair_budget, 2);
    assert.strictEqual(config.workflow.ui_phase, true);
    assert.strictEqual(config.workflow.ui_safety_gate, true);

    // hooks section present
    assert.ok(config.hooks && typeof config.hooks === 'object', 'hooks section should exist');
    assert.strictEqual(config.hooks.context_warnings, true);
  });

  test('user choices override defaults', () => {
    const choices = JSON.stringify({
      mode: 'yolo',
      granularity: 'coarse',
      parallelization: false,
      commit_docs: false,
      model_profile: 'quality',
      workflow: { research: false, plan_check: false, verifier: true, nyquist_validation: false },
    });
    const result = runGsdTools(['config-new-project', choices], tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.mode, 'yolo');
    assert.strictEqual(config.granularity, 'coarse');
    assert.strictEqual(config.parallelization, false);
    assert.strictEqual(config.commit_docs, false);
    assert.strictEqual(config.model_profile, 'quality');
    assert.strictEqual(config.workflow.research, false);
    assert.strictEqual(config.workflow.plan_check, false);
    assert.strictEqual(config.workflow.verifier, true);
    assert.strictEqual(config.workflow.nyquist_validation, false);
    // Defaults still present for non-chosen keys
    assert.strictEqual(config.git.branching_strategy, 'none');
    assert.strictEqual(typeof config.search_gitignored, 'boolean');
  });

  test('works with empty choices — all defaults materialized', () => {
    const result = runGsdTools(['config-new-project', '{}'], tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'balanced');
    assert.strictEqual(config.commit_docs, true);
    assert.strictEqual(config.parallelization, true);
    assert.strictEqual(config.search_gitignored, false);
    assert.ok(config.git && typeof config.git === 'object');
    assert.strictEqual(config.git.branching_strategy, 'none');
    assert.ok(config.workflow && typeof config.workflow === 'object');
    assert.strictEqual(config.workflow.nyquist_validation, true);
    assert.strictEqual(config.workflow.auto_advance, false);
    assert.strictEqual(config.workflow.node_repair, true);
    assert.strictEqual(config.workflow.node_repair_budget, 2);
    assert.strictEqual(config.workflow.ui_phase, true);
    assert.strictEqual(config.workflow.ui_safety_gate, true);
    assert.ok(config.hooks && typeof config.hooks === 'object');
    assert.strictEqual(config.hooks.context_warnings, true);
  });

  test('is idempotent — returns already_exists if config exists', () => {
    const choices = JSON.stringify({ mode: 'yolo', granularity: 'fine' });

    const first = runGsdTools(['config-new-project', choices], tmpDir);
    assert.ok(first.success, `First call failed: ${first.error}`);
    const firstOut = JSON.parse(first.output);
    assert.strictEqual(firstOut.created, true);

    const second = runGsdTools(['config-new-project', choices], tmpDir);
    assert.ok(second.success, `Second call failed: ${second.error}`);
    const secondOut = JSON.parse(second.output);
    assert.strictEqual(secondOut.created, false);
    assert.strictEqual(secondOut.reason, 'already_exists');

    // Config unchanged
    const config = readConfig(tmpDir);
    assert.strictEqual(config.mode, 'yolo');
    assert.strictEqual(config.granularity, 'fine');
  });

  test('auto_advance in workflow choices is preserved', () => {
    const choices = JSON.stringify({
      mode: 'yolo',
      granularity: 'standard',
      workflow: { research: true, plan_check: true, verifier: true, nyquist_validation: true, auto_advance: true },
    });
    const result = runGsdTools(['config-new-project', choices], tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.auto_advance, true);
  });

  test('rejects invalid JSON choices', () => {
    const result = runGsdTools(['config-new-project', '{not-json}'], tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(result.error.includes('Invalid JSON'), `Expected "Invalid JSON" in: ${result.error}`);
  });

  test('output has created:true and path on success', () => {
    const choices = JSON.stringify({ mode: 'interactive', granularity: 'standard' });
    const result = runGsdTools(['config-new-project', choices], tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);
    const out = JSON.parse(result.output);
    assert.strictEqual(out.created, true);
    assert.strictEqual(out.path, '.planning/config.json');
  });
});

// ─── config-set (research_before_questions and discuss_mode) ──────────────────

describe('config-set research_before_questions and discuss_mode', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('workflow.research_before_questions is a valid config key', () => {
    const result = runGsdTools('config-set workflow.research_before_questions true', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.research_before_questions, true);
  });

  test('workflow.discuss_mode is a valid config key', () => {
    const result = runGsdTools('config-set workflow.discuss_mode assumptions', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.discuss_mode, 'assumptions');
  });

  test('research_before_questions defaults to false in new configs', () => {
    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.research_before_questions, false);
  });

  test('discuss_mode defaults to discuss in new configs', () => {
    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.discuss_mode, 'discuss');
  });

  test('hooks.research_questions is rejected with suggestion', () => {
    const result = runGsdTools('config-set hooks.research_questions true', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Unknown config key'),
      `Expected "Unknown config key" in error: ${result.error}`
    );
    assert.ok(
      result.error.includes('workflow.research_before_questions'),
      `Expected suggestion for workflow.research_before_questions in error: ${result.error}`
    );
  });
});

// ─── config-set (additional coverage) ────────────────────────────────────────

describe('config-set unknown key (no suggestion)', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    runGsdTools('config-ensure-section', tmpDir);
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('rejects a key that has no suggestion', () => {
    const result = runGsdTools('config-set totally.unknown.key value', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Unknown config key'),
      `Expected "Unknown config key" in error: ${result.error}`
    );
  });
});

// ─── config-get (additional coverage) ────────────────────────────────────────

describe('config-get edge cases', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('errors when traversing a dot-path through a non-object value', () => {
    // model_profile is a string — requesting model_profile.something traverses into a non-object
    writeConfig(tmpDir, { model_profile: 'balanced' });
    const result = runGsdTools('config-get model_profile.something', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Key not found'),
      `Expected "Key not found" in error: ${result.error}`
    );
  });

  test('errors when config.json contains malformed JSON', () => {
    const configPath = path.join(tmpDir, '.planning', 'config.json');
    fs.mkdirSync(path.join(tmpDir, '.planning'), { recursive: true });
    fs.writeFileSync(configPath, '{not valid json', 'utf-8');
    const result = runGsdTools('config-get model_profile', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Failed to read config.json'),
      `Expected "Failed to read config.json" in error: ${result.error}`
    );
  });
});

// ─── config-set-model-profile ─────────────────────────────────────────────────

describe('config-set-model-profile command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    runGsdTools('config-ensure-section', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('sets a valid profile and updates config', () => {
    const result = runGsdTools('config-set-model-profile quality', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const out = JSON.parse(result.output);
    assert.strictEqual(out.updated, true);
    assert.strictEqual(out.profile, 'quality');
    assert.ok(out.agentToModelMap && typeof out.agentToModelMap === 'object');

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'quality');
  });

  test('reports previous profile in output', () => {
    const result = runGsdTools('config-set-model-profile budget', tmpDir, { HOME: tmpDir, USERPROFILE: tmpDir });
    assert.ok(result.success, `Command failed: ${result.error}`);

    const out = JSON.parse(result.output);
    assert.strictEqual(out.previousProfile, 'balanced'); // default was balanced
    assert.strictEqual(out.profile, 'budget');
  });

  test('setting the same profile is a no-op on config but still succeeds', () => {
    // Set to quality first, then set to quality again
    runGsdTools('config-set-model-profile quality', tmpDir);
    const result = runGsdTools('config-set-model-profile quality', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const out = JSON.parse(result.output);
    assert.strictEqual(out.profile, 'quality');
    assert.strictEqual(out.previousProfile, 'quality');
  });

  test('is case-insensitive', () => {
    const result = runGsdTools('config-set-model-profile BALANCED', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.model_profile, 'balanced');
  });

  test('rejects invalid profile', () => {
    const result = runGsdTools('config-set-model-profile turbo', tmpDir);
    assert.strictEqual(result.success, false);
    assert.ok(
      result.error.includes('Invalid profile'),
      `Expected "Invalid profile" in error: ${result.error}`
    );
  });

  test('errors when no profile provided', () => {
    const result = runGsdTools('config-set-model-profile', tmpDir);
    assert.strictEqual(result.success, false);
  });

  describe('when config is missing', () => {
    let emptyDir;

    beforeEach(() => {
      emptyDir = createTempProject();
    });

    afterEach(() => {
      cleanup(emptyDir);
    });

    test('creates config if missing before setting profile', () => {
      const result = runGsdTools('config-set-model-profile budget', emptyDir);
      assert.ok(result.success, `Command failed: ${result.error}`);

      const config = readConfig(emptyDir);
      assert.strictEqual(config.model_profile, 'budget');
    });
  });
});

// ─── config-set (workflow.skip_discuss) ───────────────────────────────────────

describe('config-set workflow.skip_discuss', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
    runGsdTools('config-ensure-section', tmpDir);
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('workflow.skip_discuss is a valid config key', () => {
    const result = runGsdTools('config-set workflow.skip_discuss true', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.skip_discuss, true);
  });

  test('skip_discuss defaults to false in new configs', () => {
    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.skip_discuss, false);
  });

  test('skip_discuss can be toggled back to false', () => {
    runGsdTools('config-set workflow.skip_discuss true', tmpDir);
    const result = runGsdTools('config-set workflow.skip_discuss false', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const config = readConfig(tmpDir);
    assert.strictEqual(config.workflow.skip_discuss, false);
  });

  describe('skip_discuss in config-new-project', () => {
    let emptyDir;

    beforeEach(() => {
      emptyDir = createTempProject();
    });

    afterEach(() => {
      cleanup(emptyDir);
    });

    test('skip_discuss is present in config-new-project output', () => {
      const result = runGsdTools(['config-new-project', '{}'], emptyDir, { HOME: emptyDir, USERPROFILE: emptyDir });
      assert.ok(result.success, `Command failed: ${result.error}`);

      const config = readConfig(emptyDir);
      assert.strictEqual(config.workflow.skip_discuss, false, 'skip_discuss should default to false');
    });

    test('skip_discuss can be set via config-new-project choices', () => {
      const choices = JSON.stringify({
        workflow: { skip_discuss: true },
      });
      const result = runGsdTools(['config-new-project', choices], emptyDir, { HOME: emptyDir, USERPROFILE: emptyDir });
      assert.ok(result.success, `Command failed: ${result.error}`);

      const config = readConfig(emptyDir);
      assert.strictEqual(config.workflow.skip_discuss, true);
    });
  });

  test('config-get workflow.skip_discuss returns the set value', () => {
    runGsdTools('config-set workflow.skip_discuss true', tmpDir);
    const result = runGsdTools('config-get workflow.skip_discuss', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output, true);
  });
});