"""
Test script to verify Activity Cluster placeholder registration.

Verifies:
1. All 17 Activity placeholders are registered
2. All have complete metadata (22 mandatory fields)
3. Evidence distribution is correct
"""
import sys
from pathlib import Path

# Add backend to path
sys.path.insert(0, str(Path(__file__).parent / 'backend'))

# Import registrations (triggers auto-registration)
print("Importing placeholder_registry...")
from placeholder_registry import EvidenceType, get_registry
print("Importing activity_metrics...")
try:
    from placeholder_registrations import activity_metrics
    print("Activity metrics imported successfully")
except Exception as e:
    print(f"ERROR importing activity_metrics: {e}")
    import traceback
    traceback.print_exc()

METADATA_REGISTRY = get_registry()
print(f"Registry size after import: {len(METADATA_REGISTRY.get_all())}")

# Expected placeholders
EXPECTED_ACTIVITY_PLACEHOLDERS = [
    'activity_summary',
    'activity_detail',
    'trainingstyp_verteilung',
    'training_minutes_week',
    'training_frequency_7d',
    'quality_sessions_pct',
    'ability_balance_strength',
    'ability_balance_endurance',
    'ability_balance_mental',
    'ability_balance_coordination',
    'ability_balance_mobility',
    'proxy_internal_load_7d',
    'monotony_score',
    'strain_score',
    'rest_day_compliance',
    'vo2max_trend_28d',
    'activity_score',
]

def test_registration():
    """Test that all Activity placeholders are registered."""
    print("=== Activity Cluster Registration Test ===\n")

    # Check all expected placeholders
    registered = []
    missing = []

    for key in EXPECTED_ACTIVITY_PLACEHOLDERS:
        if METADATA_REGISTRY.get(key) is not None:
            registered.append(key)
        else:
            missing.append(key)

    print(f"OK Registered: {len(registered)}/17")
    if missing:
        print(f"FAIL Missing: {len(missing)}/17")
        for key in missing:
            print(f"  - {key}")
        return False

    print(f"OK All 17 Activity placeholders registered\n")
    return True


def test_metadata_completeness():
    """Test that all registered placeholders have complete metadata."""
    print("=== Metadata Completeness Test ===\n")

    mandatory_fields = [
        'key', 'category', 'name_de', 'name_en', 'description_de', 'description_en',
        'placeholder_type', 'output_type', 'unit', 'time_window', 'semantic_contract',
        'calculation_method', 'source_info', 'data_lineage', 'confidence_logic',
        'missing_value_policy', 'known_limitations', 'dependencies',
        'layer_2b_reuse_possible', 'example_value'
    ]

    incomplete = []

    for key in EXPECTED_ACTIVITY_PLACEHOLDERS:
        metadata = METADATA_REGISTRY.get(key)
        if metadata is None:
            continue

        missing_fields = []

        for field in mandatory_fields:
            value = getattr(metadata, field, None)
            if value is None or value == '' or value == []:
                missing_fields.append(field)

        if missing_fields:
            incomplete.append((key, missing_fields))

    if incomplete:
        print(f"FAIL Incomplete metadata: {len(incomplete)}/17")
        for key, fields in incomplete:
            print(f"  - {key}: missing {fields}")
        return False

    print(f"OK All 17 placeholders have complete metadata (20 mandatory fields)\n")
    return True


def test_evidence_distribution():
    """Test evidence tagging distribution."""
    print("=== Evidence Distribution Test ===\n")

    evidence_counts = {
        EvidenceType.CODE_DERIVED: 0,
        EvidenceType.DRAFT_DERIVED: 0,
        EvidenceType.MIXED: 0,
        EvidenceType.TO_VERIFY: 0,
        EvidenceType.UNRESOLVED: 0,
    }

    total_tags = 0

    for key in EXPECTED_ACTIVITY_PLACEHOLDERS:
        metadata = METADATA_REGISTRY.get(key)
        if metadata is None:
            continue

        # Count evidence tags (22 fields)
        for field in metadata.get_all_evidence_fields():
            evidence = metadata.get_evidence(field)
            if evidence:
                evidence_counts[evidence] = evidence_counts.get(evidence, 0) + 1
                total_tags += 1

    print(f"Total evidence tags: {total_tags} (expected ~374 = 17 × 22)")
    print("\nDistribution:")
    for evidence_type, count in evidence_counts.items():
        percentage = (count / total_tags * 100) if total_tags > 0 else 0
        print(f"  {evidence_type.value:15s}: {count:3d} ({percentage:5.1f}%)")

    print("\nExpected distribution:")
    print("  CODE_DERIVED:   ~60% (directly from code)")
    print("  DRAFT_DERIVED:  ~15% (from canonical draft)")
    print("  MIXED:          ~15% (combined sources)")
    print("  TO_VERIFY:      ~10% (needs verification)")
    print()

    return True


def dump_sample_placeholder():
    """Dump one complete placeholder as sample."""
    print("=== Sample Placeholder: activity_score ===\n")

    metadata = METADATA_REGISTRY.get('activity_score')
    if metadata is None:
        print("FAIL activity_score not found in registry")
        return False

    print(f"Key: {metadata.key}")
    print(f"Category: {metadata.category}")
    print(f"Name (DE): {metadata.name_de}")
    print(f"Name (EN): {metadata.name_en}")
    print(f"Type: {metadata.placeholder_type.value}")
    print(f"Output: {metadata.output_type.value}")
    print(f"Unit: {metadata.unit}")
    print(f"Time Window: {metadata.time_window}")
    print(f"\nDescription (DE):")
    print(f"  {metadata.description_de[:100]}...")
    print(f"\nSemantic Contract:")
    print(f"  {metadata.semantic_contract[:100]}...")
    print(f"\nCalculation Method:")
    print(f"  {metadata.calculation_method[:100]}...")
    print(f"\nKnown Limitations:")
    print(f"  {metadata.known_limitations[:150]}...")
    print(f"\nDependencies: {len(metadata.dependencies)} items")
    print(f"Layer 2b Reuse: {metadata.layer_2b_reuse_possible}")
    print()

    return True


if __name__ == '__main__':
    success = True

    success &= test_registration()
    success &= test_metadata_completeness()
    success &= test_evidence_distribution()
    success &= dump_sample_placeholder()

    if success:
        print("OK All tests passed - Activity Cluster registration is complete and valid")
        sys.exit(0)
    else:
        print("FAIL Some tests failed - see output above")
        sys.exit(1)