# [DEF:backend/src/plugins/llm_analysis/scheduler.py:Module]
# @TIER: STANDARD
# @SEMANTICS: scheduler, task, automation
# @PURPOSE: Provides helper functions to schedule LLM-based validation tasks.
# @LAYER: Domain
# @RELATION: DEPENDS_ON -> backend.src.core.scheduler

from typing import Dict, Any
from ...dependencies import get_task_manager, get_scheduler_service
from ...core.logger import belief_scope, logger

# [DEF:schedule_dashboard_validation:Function]
# @PURPOSE: Schedules a recurring dashboard validation task.
# @PARAM: dashboard_id (str) - ID of the dashboard to validate.
# @PARAM: cron_expression (str) - Standard cron expression for scheduling.
# @PARAM: params (Dict[str, Any]) - Task parameters (environment_id, provider_id).
# @SIDE_EFFECT: Adds a job to the scheduler service.
def schedule_dashboard_validation(dashboard_id: str, cron_expression: str, params: Dict[str, Any]):
    with belief_scope("schedule_dashboard_validation", f"dashboard_id={dashboard_id}"):
        scheduler = get_scheduler_service()
        task_manager = get_task_manager()
        
        job_id = f"llm_val_{dashboard_id}"
        
        async def job_func():
            await task_manager.create_task(
                plugin_id="llm_dashboard_validation",
                params={
                    "dashboard_id": dashboard_id,
                    **params
                }
            )

        scheduler.add_job(
            job_func,
            "cron",
            id=job_id,
            replace_existing=True,
            **_parse_cron(cron_expression)
        )
        logger.info(f"Scheduled validation for dashboard {dashboard_id} with cron {cron_expression}")
# [/DEF:schedule_dashboard_validation:Function]

# [DEF:_parse_cron:Function]
# @PURPOSE: Basic cron parser placeholder.
# @PARAM: cron (str) - Cron expression.
# @RETURN: Dict[str, str] - Parsed cron parts.
def _parse_cron(cron: str) -> Dict[str, str]:
    # Basic cron parser placeholder
    parts = cron.split()
    if len(parts) != 5:
        return {}
    return {
        "minute": parts[0],
        "hour": parts[1],
        "day": parts[2],
        "month": parts[3],
        "day_of_week": parts[4]
    }
# [/DEF:_parse_cron:Function]

# [/DEF:backend/src/plugins/llm_analysis/scheduler.py:Module]