'use strict';
/**
 * Tests for resolveProfile — computes transitive closure over the requires: graph.
 */

const { test, describe } = require('node:test');
const assert = require('node:assert/strict');
const path = require('path');

const {
  PROFILES,
  resolveProfile,
  loadSkillsManifest,
} = require('../get-shit-done/bin/lib/install-profiles.cjs');

const REAL_COMMANDS_DIR = path.join(__dirname, '..', 'commands', 'gsd');

describe('PROFILES map', () => {
  test('PROFILES is frozen', () => {
    assert.ok(Object.isFrozen(PROFILES));
  });

  test('PROFILES has core, standard, full keys', () => {
    assert.ok('core' in PROFILES, 'PROFILES.core missing');
    assert.ok('standard' in PROFILES, 'PROFILES.standard missing');
    assert.ok('full' in PROFILES, 'PROFILES.full missing');
  });

  test('PROFILES.core contains the 7 main-loop skills (including phase)', () => {
    const core = PROFILES.core;
    assert.ok(Array.isArray(core), 'core should be an array');
    const sorted = [...core].sort();
    assert.deepStrictEqual(sorted, [
      'discuss-phase',
      'execute-phase',
      'help',
      'new-project',
      'phase',
      'plan-phase',
      'update',
    ]);
  });

  test('PROFILES.full is the sentinel "*"', () => {
    assert.strictEqual(PROFILES.full, '*');
  });

  test('PROFILES.standard contains at least the core skills', () => {
    const core = new Set(PROFILES.core);
    const standard = PROFILES.standard;
    assert.ok(Array.isArray(standard), 'standard should be an array');
    for (const s of core) {
      assert.ok(standard.includes(s), `standard should include core skill: ${s}`);
    }
  });

  test('PROFILES.standard has at least 10 skills', () => {
    assert.ok(PROFILES.standard.length >= 10, `standard should have >=10 skills, got ${PROFILES.standard.length}`);
  });
});

describe('resolveProfile', () => {
  test('defaults to full when called with no args', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ manifest });
    assert.strictEqual(result.name, 'full');
    assert.strictEqual(result.skills, '*');
  });

  test('resolves core profile — returns 7+ skills', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ modes: ['core'], manifest });
    assert.strictEqual(result.name, 'core');
    assert.ok(result.skills instanceof Set, 'skills should be a Set');
    // core has 7 base skills.
    assert.ok(result.skills.size >= 7, `core closure should have >=7 skills, got ${result.skills.size}`);
    // All base skills must be present
    for (const s of PROFILES.core) {
      assert.ok(result.skills.has(s), `core closure should include ${s}`);
    }
    assert.ok(result.skills.has('phase'), 'core closure must include phase');
  });

  test('resolves standard profile — returns superset of core', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const coreResult = resolveProfile({ modes: ['core'], manifest });
    const stdResult = resolveProfile({ modes: ['standard'], manifest });
    assert.strictEqual(stdResult.name, 'standard');
    assert.ok(stdResult.skills instanceof Set);
    assert.ok(stdResult.skills.size >= coreResult.skills.size, 'standard should have >= skills than core');
    // All core closure skills must be in standard
    for (const s of coreResult.skills) {
      assert.ok(stdResult.skills.has(s), `standard must include core skill: ${s}`);
    }
  });

  test('resolves full profile — returns sentinel', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ modes: ['full'], manifest });
    assert.strictEqual(result.name, 'full');
    assert.strictEqual(result.skills, '*');
  });

  test('composable profiles — core,standard union is same as standard', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const stdResult = resolveProfile({ modes: ['standard'], manifest });
    const composed = resolveProfile({ modes: ['core', 'standard'], manifest });
    // name should reflect composed
    assert.ok(composed.name.includes('core') && composed.name.includes('standard'),
      `composed name should include both, got: ${composed.name}`);
    // skills union should equal standard (since core ⊂ standard)
    for (const s of stdResult.skills) {
      assert.ok(composed.skills.has(s), `composed should include standard skill: ${s}`);
    }
  });

  test('transitive closure: skill that requires phase pulls in phase', () => {
    // Build a minimal manifest: only discuss-phase requiring phase
    const manifest = new Map([
      ['discuss-phase', ['phase']],
      ['phase', []],
      ['help', []],
    ]);
    // Profile with only discuss-phase in base
    const miniProfiles = { core: ['discuss-phase', 'help'], full: '*', standard: ['discuss-phase', 'help'] };
    const result = resolveProfile({ modes: ['core'], manifest, _profilesOverride: miniProfiles });
    assert.ok(result.skills.has('phase'), 'phase should be pulled in via closure from discuss-phase');
    assert.ok(result.skills.has('discuss-phase'));
    assert.ok(result.skills.has('help'));
  });

  test('deep transitive closure works (A→B→C pulls in C)', () => {
    const manifest = new Map([
      ['a', ['b']],
      ['b', ['c']],
      ['c', []],
    ]);
    const miniProfiles = { core: ['a'], full: '*', standard: ['a'] };
    const result = resolveProfile({ modes: ['core'], manifest, _profilesOverride: miniProfiles });
    assert.ok(result.skills.has('a'));
    assert.ok(result.skills.has('b'));
    assert.ok(result.skills.has('c'));
  });

  test('resolveProfile result has agents Set', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ modes: ['core'], manifest });
    assert.ok(result.agents instanceof Set, 'result should have agents Set');
  });

  test('resolveProfile standard — agents Set is non-empty (plan-phase pulls gsd-planner etc)', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ modes: ['standard'], manifest });
    assert.ok(result.agents instanceof Set, 'agents should be a Set');
    assert.ok(result.agents.size > 0, `standard profile should have >0 agents, got ${result.agents.size}`);
    // plan-phase is in standard and calls gsd-planner, gsd-plan-checker, gsd-phase-researcher
    assert.ok(result.agents.has('gsd-planner'), 'standard should include gsd-planner (called by plan-phase)');
    assert.ok(result.agents.has('gsd-plan-checker'), 'standard should include gsd-plan-checker (called by plan-phase)');
  });

  test('resolveProfile full — agents is empty Set (full staging uses srcDir directly)', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const result = resolveProfile({ modes: ['full'], manifest });
    assert.strictEqual(result.skills, '*');
    // Full profile: agents Set is empty because stageAgentsForProfile uses srcDir directly
    assert.ok(result.agents instanceof Set, 'agents should still be a Set for full');
  });

  test('agents are derived from skill body text — synthetic manifest', () => {
    // Build a synthetic manifest where plan-phase calls gsd-planner
    const manifest = new Map([
      ['plan-phase', []],
      ['phase', []],
    ]);
    // Override with calls_agents map
    manifest.get('plan-phase'); // ensure it exists
    // Use the real loadSkillsManifest with REAL dir to verify body parsing works
    const realManifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    const planPhaseAgents = realManifest.get('_calls_agents_plan-phase') ||
      // calls_agents may be stored as a separate key or on the manifest entry itself
      [];
    // This test validates that the real manifest has agent mappings for plan-phase
    // by checking resolveProfile computes agents correctly
    const result = resolveProfile({ modes: ['standard'], manifest: realManifest });
    assert.ok(result.agents.has('gsd-planner'), 'gsd-planner should be derived from plan-phase body');
  });

  test('agents transitively closed — skill requiring plan-phase also gets its agents', () => {
    const manifest = loadSkillsManifest(REAL_COMMANDS_DIR);
    // quick requires plan-phase (via requires: field or direct) and also calls gsd-planner directly
    // new-project requires plan-phase so inherits its agents
    const result = resolveProfile({ modes: ['standard'], manifest });
    // Since plan-phase is in standard, and plan-phase calls gsd-planner, gsd-planner must be present
    assert.ok(result.agents.has('gsd-planner'));
  });
});