/**
 * Tests for Heartbeat + Reflection (via intelligenceClient)
 *
 * These tests mock the Tauri backend calls for unit testing.
 */

import { describe, it, expect, beforeEach, vi } from 'vitest';
import {
  intelligenceClient,
  type HeartbeatConfig,
  type HeartbeatResult,
} from '../../desktop/src/lib/intelligence-client';

// === Mock localStorage ===

const localStorageMock = (() => {
  let store: Record<string, string> = {};
  return {
    getItem: (key: string) => store[key] ?? null,
    setItem: (key: string, value: string) => { store[key] = value; },
    removeItem: (key: string) => { delete store[key]; },
    clear: () => { store = {}; },
  };
})();

vi.stubGlobal('localStorage', localStorageMock);

// === Mock Tauri invoke ===
vi.mock('@tauri-apps/api/core', () => ({
  invoke: vi.fn(async (cmd: string, _args?: unknown) => {
    // Mock responses for heartbeat commands
    if (cmd === 'heartbeat_init') {
      return true;
    }
    if (cmd === 'heartbeat_start') {
      return true;
    }
    if (cmd === 'heartbeat_stop') {
      return true;
    }
    if (cmd === 'heartbeat_tick') {
      return {
        status: 'ok',
        alerts: [],
        checked_items: 3,
        timestamp: new Date().toISOString(),
      } as HeartbeatResult;
    }
    if (cmd === 'heartbeat_get_status') {
      return {
        running: false,
        last_tick: null,
        next_tick: null,
        config: _args?.config || null,
      };
    }
    // Reflection commands
    if (cmd === 'reflection_reflect') {
      return {
        patterns: [],
        improvements: [],
        identity_proposals: [],
        new_memories: 0,
        timestamp: new Date().toISOString(),
      };
    }
    if (cmd === 'reflection_get_history') {
      return [];
    }
    if (cmd === 'reflection_get_state') {
      return {
        conversations_since_reflection: 0,
        last_reflection_time: null,
        last_reflection_agent_id: null,
      };
    }
    return null;
  }),
}));

// =============================================
// Heartbeat Tests (via intelligenceClient)
// =============================================

describe('Heartbeat (via intelligenceClient)', () => {
  const defaultConfig: HeartbeatConfig = {
    enabled: true,
    interval_minutes: 30,
    quiet_hours_start: null,
    quiet_hours_end: null,
    notify_channel: 'ui',
    proactivity_level: 'standard',
    max_alerts_per_tick: 5,
  };

  beforeEach(() => {
    localStorageMock.clear();
    vi.clearAllMocks();
  });

  describe('init', () => {
    it('initializes heartbeat with config', async () => {
      await expect(
        intelligenceClient.heartbeat.init('test-agent', defaultConfig)
      ).resolves.toBe(true);
    });
  });

  describe('tick', () => {
    it('returns heartbeat result', async () => {
      const result = await intelligenceClient.heartbeat.tick('test-agent');

      expect(result).toHaveProperty('status');
      expect(result).toHaveProperty('alerts');
      expect(result).toHaveProperty('checked_items');
      expect(result).toHaveProperty('timestamp');
    });

    it('returns ok status when no issues', async () => {
      const result = await intelligenceClient.heartbeat.tick('test-agent');
      expect(result.status).toBe('ok');
    });
  });

  describe('start/stop', () => {
    it('starts heartbeat', async () => {
      await expect(
        intelligenceClient.heartbeat.start('test-agent')
      ).resolves.toBeUndefined();
    });

    it('stops heartbeat', async () => {
      await expect(
        intelligenceClient.heartbeat.stop('test-agent')
      ).resolves.toBeUndefined();
    });
  });
});

// =============================================
// Reflection Tests (via intelligenceClient)
// =============================================

describe('Reflection (via intelligenceClient)', () => {
  beforeEach(() => {
    localStorageMock.clear();
    vi.clearAllMocks();
  });

  describe('reflect', () => {
    it('returns reflection result', async () => {
      const result = await intelligenceClient.reflection.reflect('test-agent', []);

      expect(result).toHaveProperty('patterns');
      expect(result).toHaveProperty('improvements');
      expect(result).toHaveProperty('identity_proposals');
      expect(result).toHaveProperty('new_memories');
      expect(result).toHaveProperty('timestamp');
    });
  });

  describe('getHistory', () => {
    it('returns reflection history', async () => {
      const history = await intelligenceClient.reflection.getHistory();
      expect(Array.isArray(history)).toBe(true);
    });
  });

  describe('getState', () => {
    it('returns reflection state', async () => {
      const state = await intelligenceClient.reflection.getState();
      expect(state).toHaveProperty('conversations_since_reflection');
      expect(state).toHaveProperty('last_reflection_time');
    });
  });
});