#!/usr/bin/env python3
"""
Test T-Embed signature matching

This script:
1. Imports T-Embed signatures into database (if not already imported)
2. Tests matching engine against the same files
3. Shows matching accuracy and confidence scores
"""

import sys
from pathlib import Path

# Add project root to path
sys.path.insert(0, str(Path(__file__).parent.parent))

from src.parser.sub_parser import SubFileParser
from src.matcher.strategies_orm import (
    FrequencyMatcherORM,
    TimingMatcherORM,
    RAWPatternMatcherORM,
    ExactMatcherORM
)
from src.database.connection import get_session


def test_matching():
    """Test signature matching with T-Embed files"""

    print("="*70)
    print("T-Embed Signature Matching Test")
    print("="*70)
    print()

    # Get database session
    session = get_session()

    # Initialize parser and matchers
    parser = SubFileParser()

    matchers = [
        ('Exact', ExactMatcherORM(session)),
        ('Frequency', FrequencyMatcherORM(session, tolerance_hz=10000)),
        ('Timing', TimingMatcherORM(session)),
        ('RAW Pattern', RAWPatternMatcherORM(session, min_samples=10))
    ]

    # Find T-Embed files
    tembed_dir = Path(__file__).parent.parent / 'signatures' / 't-embed-rf'
    sub_files = sorted(tembed_dir.glob('*.sub'))

    print(f"Found {len(sub_files)} .sub files\n")

    total_files = 0
    total_matches = 0

    # Test each file
    for sub_file in sub_files:
        print("-"*70)
        print(f"File: {sub_file.name}")

        # Parse file
        try:
            metadata = parser.parse(str(sub_file))
        except Exception as e:
            print(f"  ❌ Parse error: {e}\n")
            continue

        # Skip empty files
        if metadata.frequency == 0 or (metadata.file_format == 'RAW' and not metadata.raw_data):
            print(f"  ⏭️  Skipped: Empty capture\n")
            continue

        total_files += 1

        # Show signal info
        print(f"\nSignal Info:")
        print(f"  Frequency: {metadata.frequency/1e6:.2f} MHz")
        print(f"  Protocol: {metadata.protocol or 'RAW'}")
        print(f"  Format: {metadata.file_format}")

        if metadata.raw_data:
            abs_timings = [abs(t) for t in metadata.raw_data]
            print(f"  RAW Samples: {len(metadata.raw_data)}")
            print(f"  Timing Range: {min(abs_timings)}-{max(abs_timings)} μs")
            print(f"  Avg Timing: {sum(abs_timings)/len(abs_timings):.1f} μs")

        # Try each matcher
        print(f"\nMatching Results:")

        file_matched = False

        for matcher_name, matcher in matchers:
            try:
                matches = matcher.match(metadata)

                if matches:
                    file_matched = True
                    print(f"\n  {matcher_name} Matcher: {len(matches)} match(es)")

                    # Show top 3 matches
                    for i, match in enumerate(matches[:3], 1):
                        print(f"    {i}. {match.device_name}")
                        print(f"       Manufacturer: {match.manufacturer}")
                        print(f"       Confidence: {match.confidence:.2%}")
                        print(f"       Method: {match.match_method}")

                        # Show match details
                        if match.match_details:
                            for key, value in match.match_details.items():
                                if key != 'signature_id':
                                    print(f"       {key}: {value}")

            except Exception as e:
                print(f"  ❌ {matcher_name} error: {e}")

        if file_matched:
            total_matches += 1
            print(f"\n  ✅ File matched successfully!")
        else:
            print(f"\n  ⚠️  No matches found")

        print()

    # Summary
    print("="*70)
    print("MATCHING SUMMARY")
    print("="*70)
    print(f"Files tested: {total_files}")
    print(f"Files matched: {total_matches}")

    if total_files > 0:
        match_rate = (total_matches / total_files) * 100
        print(f"Match rate: {match_rate:.1f}%")

        if match_rate == 100:
            print("\n✅ Perfect! All files matched to signatures")
        elif match_rate >= 75:
            print(f"\n✅ Good! Most files matched")
        elif match_rate >= 50:
            print(f"\n⚠️  Moderate: Some files unmatched")
        else:
            print(f"\n❌ Low match rate - may need more signatures or tuning")
    else:
        print("\n⚠️  No valid files to test")

    print("="*70)

    session.close()


if __name__ == '__main__':
    test_matching()