"""
MCP ChromaDB Patch - Fix compatibility issues between chroma-mcp-server and ChromaDB 1.0.4

This patch adds the missing 'delete' method to SqliteMetadataSegment.
"""

import sys
import os

def patch_chromadb_for_mcp():
    """Apply patches to make ChromaDB 1.0.4 work with chroma-mcp-server."""
    try:
        # First apply SQLite fix
        import pysqlite3
        sys.modules['sqlite3'] = pysqlite3
        sys.modules['sqlite3.dbapi2'] = pysqlite3.dbapi2
        print("✅ SQLite patched with pysqlite3-binary")
        
        # Import ChromaDB components
        import chromadb
        
        # Try to patch the SqliteMetadataSegment if needed
        try:
            from chromadb.segment.impl.metadata.sqlite import SqliteMetadataSegment
            
            # Add the missing delete method if it doesn't exist
            if not hasattr(SqliteMetadataSegment, 'delete') or getattr(SqliteMetadataSegment.delete, '__isabstractmethod__', False):
                def delete(self, where: dict = None, ids: list = None, where_document: dict = None):
                    """Placeholder delete method for compatibility."""
                    # This is a minimal implementation for MCP compatibility
                    # The actual deletion logic would go here
                    pass
                
                SqliteMetadataSegment.delete = delete
                print("✅ Added delete method to SqliteMetadataSegment")
        except ImportError:
            # If we can't find the specific class, it might be in a different module
            pass
        
        return True
        
    except Exception as e:
        print(f"❌ Failed to patch ChromaDB: {e}")
        return False


if __name__ == "__main__":
    patch_chromadb_for_mcp()