#!/usr/bin/env python3
"""
#exonware/xwquery/src/exonware/xwquery/executors/graph/update_edge_executor.py
UPDATE_EDGE Operation Executor - Modify edge properties
Company: eXonware.com
Author: eXonware Backend Team
Email: connect@exonware.com
Version: 0.9.0.6
Generation Date: 28-Oct-2025
"""

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


class UpdateEdgeExecutor(AUniversalOperationExecutor):
    """
    UPDATE_EDGE operation executor - Modify edge properties.
    Cypher: MATCH (a)-[r:KNOWS]->(b) SET r.weight = 10
    Gremlin: g.E(edgeId).property('weight', 10)
    Reuses xwnode property management.
    """
    OPERATION_NAME = "UPDATE_EDGE"

    def _do_execute(self, action: QueryAction, context: ExecutionContext) -> ExecutionResult:
        """Execute UPDATE_EDGE operation."""
        params = action.params
        node = context.node
        result_data = self._execute_update_edge(node, params, context)
        return ExecutionResult(
            success=True,
            data=result_data,
            action_type=self.OPERATION_NAME,
            affected_count=result_data.get('updated_count', 0),
            metadata={'operation': self.OPERATION_NAME}
        )

    def _execute_update_edge(self, node: Any, params: dict, context: ExecutionContext) -> dict:
        """
        Execute UPDATE_EDGE - Modify edge properties.
        FUTURE: Will use xwnode property management.
        """
        edge_id = params.get('edge_id', params.get('id'))
        updates = params.get('updates', params.get('set', {}))
        condition = params.get('condition', params.get('where'))
        updated_count = 0
        # FUTURE: Use xwnode's property methods
        # if edge_id:
        #     edge = graph.get_edge(edge_id)
        #     for key, value in updates.items():
        #         edge.set_property(key, value)
        #     updated_count = 1
        # else:
        #     updated_count = graph.update_edges(updates, condition=condition)
        return {
            'updated_count': updated_count,
            'edge_id': edge_id,
            'updates': updates,
            'condition': condition,
            'status': 'basic_implementation',
            'note': 'Will use xwnode property management for production'
        }
__all__ = ['UpdateEdgeExecutor']
