/**
 * BLE Manager Bulk Operations Unit Tests
 * Tests for bulkDisconnect, bulkReboot, and bulkSetWiFi
 */

import { MockBLEManager } from '../MockBLEManager';
import { BLEConnectionState } from '../types';

describe('BLEManager Bulk Operations', () => {
  let manager: MockBLEManager;

  beforeEach(() => {
    manager = new MockBLEManager();
  });

  afterEach(async () => {
    await manager.cleanup();
  });

  describe('bulkDisconnect', () => {
    it('should disconnect multiple devices', async () => {
      // Connect devices first
      await manager.connectDevice('mock-743');
      await manager.connectDevice('mock-769');

      expect(manager.isDeviceConnected('mock-743')).toBe(true);
      expect(manager.isDeviceConnected('mock-769')).toBe(true);

      // Bulk disconnect
      const results = await manager.bulkDisconnect(['mock-743', 'mock-769']);

      expect(results).toHaveLength(2);
      expect(results[0].success).toBe(true);
      expect(results[1].success).toBe(true);
      expect(manager.isDeviceConnected('mock-743')).toBe(false);
      expect(manager.isDeviceConnected('mock-769')).toBe(false);
    });

    it('should return results with device info', async () => {
      await manager.connectDevice('mock-743');

      const results = await manager.bulkDisconnect(['mock-743']);

      expect(results[0]).toEqual({
        deviceId: 'mock-743',
        deviceName: 'WP_497_81a14c',
        success: true,
      });
    });

    it('should handle empty device list', async () => {
      const results = await manager.bulkDisconnect([]);

      expect(results).toEqual([]);
    });

    it('should handle non-connected devices gracefully', async () => {
      const results = await manager.bulkDisconnect(['non-existent-device']);

      expect(results).toHaveLength(1);
      expect(results[0].success).toBe(true); // Mock doesn't throw for non-connected
      expect(results[0].deviceId).toBe('non-existent-device');
    });

    it('should continue processing after individual failure', async () => {
      await manager.connectDevice('mock-743');
      await manager.connectDevice('mock-769');

      // Disconnect all
      const results = await manager.bulkDisconnect(['mock-743', 'mock-769']);

      // All should have been processed
      expect(results).toHaveLength(2);
    });
  });

  describe('bulkReboot', () => {
    it('should reboot multiple devices', async () => {
      await manager.connectDevice('mock-743');
      await manager.connectDevice('mock-769');

      const results = await manager.bulkReboot(['mock-743', 'mock-769']);

      expect(results).toHaveLength(2);
      expect(results[0].success).toBe(true);
      expect(results[1].success).toBe(true);
    });

    it('should return results with device names', async () => {
      await manager.connectDevice('mock-743');

      const results = await manager.bulkReboot(['mock-743']);

      expect(results[0].deviceId).toBe('mock-743');
      expect(results[0].deviceName).toBe('WP_497_81a14c');
      expect(results[0].success).toBe(true);
    });

    it('should disconnect devices after reboot', async () => {
      await manager.connectDevice('mock-743');
      expect(manager.isDeviceConnected('mock-743')).toBe(true);

      await manager.bulkReboot(['mock-743']);

      expect(manager.isDeviceConnected('mock-743')).toBe(false);
    });

    it('should handle empty device list', async () => {
      const results = await manager.bulkReboot([]);

      expect(results).toEqual([]);
    });
  });

  describe('bulkSetWiFi', () => {
    const devices = [
      { id: 'mock-743', name: 'WP_497_81a14c' },
      { id: 'mock-769', name: 'WP_523_81aad4' },
    ];
    const ssid = 'TestNetwork';
    const password = 'testpass123';

    // BulkSetWiFi has delays: connect (800ms) + setWiFi (1200ms) + reboot (600ms) = ~2.6s per device
    // For 2 devices: ~5.2s, so we need 15s timeout to be safe
    jest.setTimeout(15000);

    it('should configure WiFi on multiple devices', async () => {
      const results = await manager.bulkSetWiFi(devices, ssid, password);

      expect(results).toHaveLength(2);
      expect(results[0].success).toBe(true);
      expect(results[1].success).toBe(true);
    }, 15000);

    it('should return detailed results', async () => {
      const results = await manager.bulkSetWiFi(devices.slice(0, 1), ssid, password);

      expect(results[0]).toEqual({
        deviceId: 'mock-743',
        deviceName: 'WP_497_81a14c',
        success: true,
      });
    }, 10000);

    it('should call progress callback for each stage', async () => {
      const progressCalls: Array<{
        deviceId: string;
        status: string;
        error?: string;
      }> = [];

      const onProgress = (
        deviceId: string,
        status: 'connecting' | 'configuring' | 'rebooting' | 'success' | 'error',
        error?: string
      ) => {
        progressCalls.push({ deviceId, status, error });
      };

      await manager.bulkSetWiFi(devices.slice(0, 1), ssid, password, onProgress);

      // Should have: connecting, configuring, rebooting, success
      expect(progressCalls).toHaveLength(4);
      expect(progressCalls[0].status).toBe('connecting');
      expect(progressCalls[1].status).toBe('configuring');
      expect(progressCalls[2].status).toBe('rebooting');
      expect(progressCalls[3].status).toBe('success');
    }, 10000);

    it('should handle empty device list', async () => {
      const results = await manager.bulkSetWiFi([], ssid, password);

      expect(results).toEqual([]);
    });

    it('should handle wrong password', async () => {
      const results = await manager.bulkSetWiFi(
        [{ id: 'mock-743', name: 'WP_497' }],
        ssid,
        'wrongpass' // Mock treats 'wrongpass' as incorrect
      );

      expect(results[0].success).toBe(false);
      expect(results[0].error).toBeDefined();
    }, 10000);

    it('should call error progress callback on failure', async () => {
      const progressCalls: string[] = [];

      const onProgress = (
        _deviceId: string,
        status: string,
        _error?: string
      ) => {
        progressCalls.push(status);
      };

      await manager.bulkSetWiFi(
        [{ id: 'mock-743', name: 'WP_497' }],
        ssid,
        'wrongpass',
        onProgress
      );

      expect(progressCalls).toContain('error');
    }, 10000);

    it('should continue after one device fails', async () => {
      // First device will fail (wrong password), second should still process
      const mixedDevices = [
        { id: 'fail-device', name: 'FailDevice' },
        { id: 'mock-769', name: 'WP_523_81aad4' },
      ];

      const results = await manager.bulkSetWiFi(
        mixedDevices,
        'OfflineNetwork', // Mock treats 'offline' SSIDs as failures
        password
      );

      expect(results).toHaveLength(2);
      // Both should have been processed (not short-circuited)
    }, 15000);

    it('should validate WiFi credentials', async () => {
      // Invalid SSID with pipe character
      const results = await manager.bulkSetWiFi(
        [{ id: 'mock-743', name: 'WP_497' }],
        'Invalid|SSID',
        password
      );

      expect(results[0].success).toBe(false);
      expect(results[0].error).toContain('invalid character');
    }, 10000);

    it('should validate password length', async () => {
      // Password too short (< 8 chars)
      const results = await manager.bulkSetWiFi(
        [{ id: 'mock-743', name: 'WP_497' }],
        ssid,
        'short'
      );

      expect(results[0].success).toBe(false);
      // Mock returns generic invalid credentials error for short password
      expect(results[0].error).toContain('invalid');
    }, 10000);

    it('should reboot devices after successful WiFi config', async () => {
      await manager.connectDevice('mock-743');
      expect(manager.isDeviceConnected('mock-743')).toBe(true);

      await manager.bulkSetWiFi(devices.slice(0, 1), ssid, password);

      // Device should be disconnected after reboot
      expect(manager.isDeviceConnected('mock-743')).toBe(false);
    }, 10000);
  });

  describe('Bulk Operations - Concurrency', () => {
    it('should handle parallel bulk operations', async () => {
      // Connect devices
      await Promise.all([
        manager.connectDevice('mock-743'),
        manager.connectDevice('mock-769'),
      ]);

      // Run bulk disconnect
      const disconnectResults = await manager.bulkDisconnect(['mock-743', 'mock-769']);

      expect(disconnectResults.every(r => r.success)).toBe(true);
    }, 10000);

    it('should track all results independently', async () => {
      const devices = [
        { id: 'mock-743', name: 'WP_497' },
        { id: 'mock-769', name: 'WP_523' },
      ];

      const results = await manager.bulkSetWiFi(devices, 'Network', 'password123');

      // Each device should have its own result
      const device1Result = results.find(r => r.deviceId === 'mock-743');
      const device2Result = results.find(r => r.deviceId === 'mock-769');

      expect(device1Result).toBeDefined();
      expect(device2Result).toBeDefined();
      expect(device1Result?.deviceId).not.toBe(device2Result?.deviceId);
    }, 15000);
  });

  describe('Bulk Operations - Edge Cases', () => {
    it('should handle duplicate device IDs', async () => {
      await manager.connectDevice('mock-743');

      const results = await manager.bulkDisconnect(['mock-743', 'mock-743']);

      // Both should be processed (first disconnects, second is already disconnected)
      expect(results).toHaveLength(2);
    });

    it('should handle mixed valid and invalid devices', async () => {
      const devices = [
        { id: 'mock-743', name: 'WP_497' },
        { id: 'invalid-device', name: 'Invalid' },
      ];

      const results = await manager.bulkSetWiFi(
        devices,
        'TestNetwork',
        'password123'
      );

      expect(results).toHaveLength(2);
    }, 15000);

    it('should handle multiple device lists', async () => {
      // Reduced from 10 to 3 devices to avoid timeout
      const manyDevices = Array.from({ length: 3 }, (_, i) => ({
        id: `device-${i}`,
        name: `WP_${i}`,
      }));

      const results = await manager.bulkSetWiFi(
        manyDevices,
        'Network',
        'password123'
      );

      expect(results).toHaveLength(3);
    }, 30000);
  });
});