#!/usr/bin/env python3
"""
#exonware/xwquery/src/exonware/xwquery/executors/graph/set_executor.py
SET Operation Executor - Set node/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 SetExecutor(AUniversalOperationExecutor):
    """
    SET operation executor - Set properties on nodes/edges.
    Cypher: MATCH (n:User) SET n.status = 'active', n.updated_at = timestamp()
    Gremlin: g.V().property('status', 'active')
    Reuses xwnode property management.
    """
    OPERATION_NAME = "SET"

    def _do_execute(self, action: QueryAction, context: ExecutionContext) -> ExecutionResult:
        """Execute SET operation."""
        params = action.params
        node = context.node
        result_data = self._execute_set(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_set(self, node: Any, params: dict, context: ExecutionContext) -> dict:
        """
        Execute SET - Set properties on nodes/edges.
        FUTURE: Will use xwnode property management.
        """
        properties = params.get('properties', params.get('set', {}))
        target_type = params.get('target_type', 'node')  # node or edge
        target_id = params.get('target_id')
        overwrite = params.get('overwrite', True)
        updated_count = 0
        # FUTURE: Use xwnode's property methods
        # if target_id:
        #     if target_type == 'node':
        #         node = graph.get_node(target_id)
        #     else:
        #         node = graph.get_edge(target_id)
        #     
        #     for key, value in properties.items():
        #         node.set_property(key, value, overwrite=overwrite)
        #     updated_count = 1
        return {
            'updated_count': updated_count,
            'properties': properties,
            'target_type': target_type,
            'target_id': target_id,
            'overwrite': overwrite,
            'status': 'basic_implementation',
            'note': 'Will use xwnode property management for production'
        }
__all__ = ['SetExecutor']
