"""Wait Node - pause execution for a duration

Node metadata is loaded from: ../../templates/metadata/nodes/wait.yaml
"""

from __future__ import annotations

from typing import Any, ClassVar

from ..entities import ExecutionContext
from ..node import WorkflowNode, workflow_node, NodePort, NodeConfig


@workflow_node('wait')
class WaitNode(WorkflowNode):
    """Wait node - pause execution for a duration"""

    type_name = 'wait'
    category = 'control'
    icon = '⏳'
    name = 'wait'
    description = 'wait'
    name_zh = '等待'
    name_en = 'Wait'
    description_zh = '暂停工作流执行指定时间'
    description_en = 'Pause workflow execution for a specified duration'

    inputs: ClassVar[list[NodePort]] = []
    outputs: ClassVar[list[NodePort]] = []
    config_schema: ClassVar[list[NodeConfig]] = []

    async def execute(self, inputs: dict[str, Any], context: ExecutionContext) -> dict[str, Any]:
        import asyncio

        duration = self.get_config('duration', 1)
        duration_type = self.get_config('duration_type', 'seconds')

        if duration_type == 'minutes':
            duration *= 60
        elif duration_type == 'hours':
            duration *= 3600

        await asyncio.sleep(duration)

        return {'output': inputs.get('input')}