"""
Test Multi-Series Integration for Multidongle

Testing the integration of multi-series functionality into the existing Multidongle class
following TDD principles.
"""

import unittest
import sys
import os
from unittest.mock import Mock, patch, MagicMock

# Add project root to path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'core', 'functions'))

from Multidongle import MultiDongle

class TestMultiSeriesMultidongle(unittest.TestCase):
    
    def setUp(self):
        """Set up test fixtures"""
        self.multi_series_config = {
            "KL520": {
                "port_ids": [28, 32],
                "model_path": "/path/to/kl520_model.nef",
                "firmware_paths": {
                    "scpu": "/path/to/kl520_scpu.bin",
                    "ncpu": "/path/to/kl520_ncpu.bin"
                }
            },
            "KL720": {
                "port_ids": [40, 44],
                "model_path": "/path/to/kl720_model.nef",
                "firmware_paths": {
                    "scpu": "/path/to/kl720_scpu.bin",
                    "ncpu": "/path/to/kl720_ncpu.bin"
                }
            }
        }
    
    def test_multi_series_initialization_should_fail(self):
        """
        Test that multi-series initialization accepts config and sets up series groups
        This should FAIL initially since the functionality doesn't exist yet
        """
        # This should work but will fail initially
        try:
            multidongle = MultiDongle(multi_series_config=self.multi_series_config)
            
            # Should have series groups configured
            self.assertIsNotNone(multidongle.series_groups)
            self.assertIn("KL520", multidongle.series_groups)
            self.assertIn("KL720", multidongle.series_groups)
            
            # Should have GOPS weights calculated
            self.assertIsNotNone(multidongle.gops_weights)
            self.assertIn("KL520", multidongle.gops_weights)
            self.assertIn("KL720", multidongle.gops_weights)
            
            # KL720 should have higher weight due to higher GOPS
            self.assertGreater(multidongle.gops_weights["KL720"], 
                             multidongle.gops_weights["KL520"])
            
            self.fail("Multi-series initialization should not work yet - test should fail")
            
        except (AttributeError, TypeError) as e:
            # Expected to fail at this stage
            print(f"Expected failure: {e}")
            self.assertTrue(True, "Multi-series initialization correctly fails (not implemented yet)")
    
    def test_single_series_to_multi_series_conversion_should_fail(self):
        """
        Test that single-series config gets converted to multi-series internally
        This should FAIL initially
        """
        try:
            # Legacy single-series initialization
            multidongle = MultiDongle(
                port_id=[28, 32],
                scpu_fw_path="/path/to/scpu.bin",
                ncpu_fw_path="/path/to/ncpu.bin", 
                model_path="/path/to/model.nef",
                upload_fw=True
            )
            
            # Should internally convert to multi-series format
            self.assertIsNotNone(multidongle.series_groups)
            self.assertEqual(len(multidongle.series_groups), 1)
            
            # Should auto-detect series from device scan or use default
            series_keys = list(multidongle.series_groups.keys())
            self.assertEqual(len(series_keys), 1)
            
            self.fail("Single to multi-series conversion should not work yet")
            
        except (AttributeError, TypeError) as e:
            # Expected to fail at this stage
            print(f"Expected failure: {e}")
            self.assertTrue(True, "Single-series conversion correctly fails (not implemented yet)")
    
    def test_load_balancing_should_fail(self):
        """
        Test that load balancing works based on GOPS weights
        This should FAIL initially
        """
        try:
            multidongle = MultiDongle(multi_series_config=self.multi_series_config)
            
            # Should have load balancing method
            optimal_series = multidongle._select_optimal_series()
            self.assertIsNotNone(optimal_series)
            self.assertIn(optimal_series, ["KL520", "KL720"])
            
            self.fail("Load balancing should not work yet")
            
        except (AttributeError, TypeError) as e:
            # Expected to fail at this stage 
            print(f"Expected failure: {e}")
            self.assertTrue(True, "Load balancing correctly fails (not implemented yet)")
    
    def test_backward_compatibility_should_work(self):
        """
        Test that existing single-series API still works
        This should PASS (existing functionality)
        """
        # This should still work with existing code
        try:
            multidongle = MultiDongle(
                port_id=[28, 32],
                scpu_fw_path="/path/to/scpu.bin",
                ncpu_fw_path="/path/to/ncpu.bin",
                model_path="/path/to/model.nef"
            )
            
            # Basic properties should still exist
            self.assertIsNotNone(multidongle.port_id)
            self.assertEqual(multidongle.port_id, [28, 32])
            self.assertEqual(multidongle.model_path, "/path/to/model.nef")
            
            print("Backward compatibility test passed")
            
        except Exception as e:
            self.fail(f"Backward compatibility should work: {e}")
    
    def test_multi_series_device_grouping_should_fail(self):
        """
        Test that devices are properly grouped by series
        This should FAIL initially
        """
        try:
            multidongle = MultiDongle(multi_series_config=self.multi_series_config)
            multidongle.initialize()
            
            # Should have device groups for each series
            self.assertIsNotNone(multidongle.device_groups)
            self.assertEqual(len(multidongle.device_groups), 2)
            
            # Each series should have its device group
            for series_name, config in self.multi_series_config.items():
                self.assertIn(series_name, multidongle.device_groups)
                
            self.fail("Multi-series device grouping should not work yet")
            
        except (AttributeError, TypeError) as e:
            # Expected to fail
            print(f"Expected failure: {e}")
            self.assertTrue(True, "Device grouping correctly fails (not implemented yet)")

if __name__ == '__main__':
    unittest.main()