#!/usr/bin/env python3
"""
#exonware/xwquery/src/exonware/xwquery/executors/graph/create_edge_executor.py
CREATE_EDGE Operation Executor - Create new edge/relationship
Company: eXonware.com
Author: eXonware Backend Team
Email: connect@exonware.com
Version: 0.0.1.8
Generation Date: 28-Oct-2025
"""

from typing import Any
from ..base import AUniversalOperationExecutor
from ....contracts import QueryAction, ExecutionContext, ExecutionResult


class CreateEdgeExecutor(AUniversalOperationExecutor):
    """
    CREATE_EDGE operation executor - Create new edge/relationship.
    Cypher: CREATE (a)-[r:KNOWS]->(b)
    Gremlin: g.V(id1).addE('knows').to(V(id2))
    Reuses xwnode graph modification capabilities.
    """
    OPERATION_NAME = "CREATE_EDGE"

    def _do_execute(self, action: QueryAction, context: ExecutionContext) -> ExecutionResult:
        """Execute CREATE_EDGE operation."""
        params = action.params
        node = context.node
        result_data = self._execute_create_edge(node, params, context)
        return ExecutionResult(
            success=True,
            data=result_data,
            action_type=self.OPERATION_NAME,
            affected_count=1,
            metadata={'operation': self.OPERATION_NAME}
        )

    def _execute_create_edge(self, node: Any, params: dict, context: ExecutionContext) -> dict:
        """
        Execute CREATE_EDGE - Add new edge/relationship.
        FUTURE: Will use xwnode graph modification methods.
        """
        source = params.get('source', params.get('from'))
        target = params.get('target', params.get('to'))
        edge_type = params.get('edge_type', params.get('label', params.get('type')))
        properties = params.get('properties', {})
        directed = params.get('directed', True)
        # FUTURE: Use xwnode's graph methods
        # edge_id = graph.add_edge(source, target, edge_type=edge_type, properties=properties, directed=directed)
        return {
            'edge_created': True,
            'source': source,
            'target': target,
            'edge_type': edge_type,
            'properties': properties,
            'directed': directed,
            'status': 'basic_implementation',
            'note': 'Will use xwnode graph modification for production'
        }
__all__ = ['CreateEdgeExecutor']
