import json
import redis
from config import Config
from services.advoware import AdvowareAPI

async def get_advoware_employees(advoware, logger):
    """Fetch list of employees from Advoware."""
    try:
        result = await advoware.api_call('api/v1/advonet/Mitarbeiter', method='GET', params={'aktiv': 'true'})
        employees = result if isinstance(result, list) else []
        logger.info(f"Fetched {len(employees)} Advoware employees")
        return employees
    except Exception as e:
        logger.error(f"Failed to fetch Advoware employees: {e}")
        raise
    'type': 'cron',
    'name': 'Calendar Sync Cron Job',
    'description': 'Führt den Calendar Sync alle 15 Minuten automatisch aus',
    'cron': '*/15 * * * *',  # Alle 15 Minuten
    'emits': ['calendar.sync.triggered']
}

async def handler(context):
    try:
        context.logger.info("Calendar Sync Cron: Starting automatic synchronization every 15 minutes")

        # Initialize Advoware API
        advoware = AdvowareAPI(context)

        # Fetch all employees
        employees = await get_advoware_employees(advoware, context.logger)
        if not employees:
            context.logger.error("Calendar Sync Cron: No employees found. Sync cancelled.")
            return {
                'status': 'error',
                'reason': 'no_employees',
                'triggered_by': 'cron'
            }

        total_emitted = 0
        for employee in employees:
            kuerzel = employee.get('kuerzel')
            if not kuerzel:
                context.logger.warning(f"Calendar Sync Cron: Employee without kuerzel skipped: {employee}")
                continue

            # DEBUG: Limit to SB for debugging
            if kuerzel != 'SB':
                context.logger.info(f"Calendar Sync Cron: DEBUG: Skipping {kuerzel}, only SB synced")
                continue

            context.logger.info(f"Calendar Sync Cron: Emitting sync event for {kuerzel}")

            # Emit Event for the Sync with kuerzel
            await context.emit({
                "topic": "calendar.sync.triggered",
                "data": {
                    "body": {
                        "kuerzel": kuerzel,
                        "full_content": True,  # Cron uses always full details
                        "triggered_by": "cron"
                    }
                }
            })

            total_emitted += 1

        context.logger.info(f"Calendar Sync Cron: Emitted {total_emitted} sync events")
        return {
            'status': 'completed',
            'total_emitted': total_emitted,
            'triggered_by': 'cron'
        }

    except Exception as e:
        context.logger.error(f"Calendar Sync Cron: Error in cron job: {e}")
        return {
            'status': 'error',
            'error': str(e)
        }