"""Test Apple Silicon MLX auto-detection and download."""

import sys
import os
from pathlib import Path

# Add src to path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'src'))

def test_apple_silicon_mlx_selection():
    """Test that Apple Silicon correctly selects MLX models."""
    from hardware.detector import HardwareProfile, GPUInfo
    from models.selector import select_optimal_model

    # Mock Apple Silicon hardware
    class MockAppleHardware:
        os = "darwin"
        cpu_cores = 12
        ram_gb = 24.0
        ram_available_gb = 12.0
        is_apple_silicon = True
        has_dedicated_gpu = False
        gpu = GPUInfo(name="Apple Silicon GPU", vram_gb=24.0, driver_version=None)
        available_memory_gb = 12.0
        recommended_memory_gb = 12.0

    hardware = MockAppleHardware()

    # Test auto-detection (use_mlx=None)
    print("=" * 60)
    print("Apple Silicon MLX Auto-Detection Test")
    print("=" * 60)

    print("\n1. Testing auto-detection (use_mlx=None)...")
    config = select_optimal_model(hardware, use_mlx=None)

    assert config is not None, "Should find a model"
    print(f"   ✓ Model selected: {config.model.name}")

    # Verify quantization is MLX format (4bit, 8bit, etc.)
    print("\n2. Verifying MLX quantization format...")
    is_mlx_format = 'bit' in config.quantization.name.lower()
    assert is_mlx_format, f"Quantization should be MLX format (4bit/8bit), got {config.quantization.name}"
    print(f"   ✓ Quantization: {config.quantization.name} (MLX format)")

    # Test repository name generation
    print("\n3. Testing MLX repository name generation...")
    from models.registry import get_model_hf_repo_mlx

    mlx_repo = get_model_hf_repo_mlx(config.model.id, config.variant, config.quantization)
    assert mlx_repo is not None, "MLX repository should be generated"
    assert "mlx-community" in mlx_repo, "Should use mlx-community namespace"
    assert "-Instruct-" in mlx_repo, "Should have -Instruct- suffix"
    assert config.quantization.name in mlx_repo, "Should include quantization"
    print(f"   ✓ Repository: {mlx_repo}")

    # Verify it's NOT using GGUF format
    print("\n4. Verifying NOT using GGUF format...")
    has_gguf = 'q4_k_m' in config.quantization.name or 'q5_k_m' in config.quantization.name
    has_gguf_suffix = '-GGUF' in mlx_repo
    assert not has_gguf, f"Should not use GGUF quantization names"
    assert not has_gguf_suffix, f"Should not use GGUF repository suffix"
    print(f"   ✓ Not using GGUF format")

    print("\n" + "=" * 60)
    print("All Apple Silicon MLX tests passed!")
    print("=" * 60)


def test_nvidia_gpu_gguf_selection():
    """Test that NVIDIA GPU correctly selects GGUF models."""
    from hardware.detector import HardwareProfile, GPUInfo
    from models.selector import select_optimal_model

    # Mock NVIDIA hardware
    class MockNvidiaHardware:
        os = "linux"
        cpu_cores = 8
        ram_gb = 32.0
        ram_available_gb = 20.0
        is_apple_silicon = False
        has_dedicated_gpu = True
        gpu = GPUInfo(name="NVIDIA RTX 4090", vram_gb=24.0, driver_version="550.80")
        available_memory_gb = 20.0
        recommended_memory_gb = 20.0

    hardware = MockNvidiaHardware()

    print("\n" + "=" * 60)
    print("NVIDIA GPU GGUF Auto-Detection Test")
    print("=" * 60)

    print("\n1. Testing auto-detection (use_mlx=None)...")
    config = select_optimal_model(hardware, use_mlx=None)

    assert config is not None, "Should find a model"
    print(f"   ✓ Model selected: {config.model.name}")

    # Verify quantization is GGUF format (q4_k_m, q5_k_m, etc.)
    print("\n2. Verifying GGUF quantization format...")
    is_gguf_format = 'q' in config.quantization.name.lower()
    assert is_gguf_format, f"Quantization should be GGUF format (q4_k_m/q5_k_m), got {config.quantization.name}"
    print(f"   ✓ Quantization: {config.quantization.name} (GGUF format)")

    # Test repository name generation
    print("\n3. Testing GGUF repository name generation...")
    from models.registry import get_model_hf_repo

    gguf_repo = get_model_hf_repo(config.model.id, config.variant, config.quantization)
    assert gguf_repo is not None, "GGUF repository should be generated"
    assert "-GGUF" in gguf_repo, "Should have -GGUF suffix"
    print(f"   ✓ Repository: {gguf_repo}")

    # Verify it's NOT using MLX format
    print("\n4. Verifying NOT using MLX format...")
    has_mlx_format = 'bit' in config.quantization.name.lower() and config.quantization.name not in ['q4_k_m', 'q5_k_m', 'q6_k']
    has_mlx_namespace = 'mlx-community' in gguf_repo
    assert not has_mlx_namespace, f"Should not use mlx-community namespace"
    print(f"   ✓ Not using MLX format")

    print("\n" + "=" * 60)
    print("All NVIDIA GPU GGUF tests passed!")
    print("=" * 60)


if __name__ == "__main__":
    try:
        test_apple_silicon_mlx_selection()
        test_nvidia_gpu_gguf_selection()
        print("\n" + "=" * 60)
        print("ALL AUTO-DETECTION TESTS PASSED!")
        print("=" * 60)
    except AssertionError as e:
        print(f"\n❌ Test failed: {e}")
        sys.exit(1)
    except Exception as e:
        print(f"\n❌ Test error: {e}")
        import traceback
        traceback.print_exc()
        sys.exit(1)