"""VMH Webhook - Document Update"""
import json
from typing import Any
from motia import FlowContext, http, ApiRequest, ApiResponse


config = {
    "name": "VMH Webhook Document Update",
    "description": "Empfängt Update-Webhooks von EspoCRM für Documents",
    "flows": ["vmh-documents"],
    "triggers": [
        http("POST", "/vmh/webhook/document/update")
    ],
    "enqueues": ["vmh.document.update"],
}


async def handler(request: ApiRequest, ctx: FlowContext[Any]) -> ApiResponse:
    """
    Webhook handler for Document updates in EspoCRM.
    
    Receives batch or single entity notifications and emits queue events
    for each entity ID to be synced to xAI.
    """
    try:
        payload = request.body or []

        ctx.logger.info("VMH Webhook Document Update empfangen")
        ctx.logger.debug(f"Payload: {json.dumps(payload, indent=2, ensure_ascii=False)}")

        # Sammle alle IDs aus dem Batch
        entity_ids = set()

        if isinstance(payload, list):
            for entity in payload:
                if isinstance(entity, dict) and 'id' in entity:
                    entity_ids.add(entity['id'])
                    entity_type = entity.get('entityType', 'CDokumente')
        elif isinstance(payload, dict) and 'id' in payload:
            entity_ids.add(payload['id'])
            entity_type = payload.get('entityType', 'CDokumente')

        ctx.logger.info(f"{len(entity_ids)} Document IDs zum Update-Sync gefunden")

        # Emit events für Queue-Processing
        for entity_id in entity_ids:
            await ctx.enqueue({
                'topic': 'vmh.document.update',
                'data': {
                    'entity_id': entity_id,
                    'entity_type': entity_type if 'entity_type' in locals() else 'CDokumente',
                    'action': 'update',
                    'timestamp': payload[0].get('modifiedAt') if isinstance(payload, list) and payload else None
                }
            })

        return ApiResponse(
            status_code=200,
            body={
                'success': True,
                'message': f'{len(entity_ids)} Document(s) zum Sync enqueued',
                'entity_ids': list(entity_ids)
            }
        )

    except Exception as e:
        ctx.logger.error(f"Fehler im Document Update Webhook: {e}")
        ctx.logger.error(f"Payload: {request.body}")
        
        return ApiResponse(
            status_code=500,
            body={
                'success': False,
                'error': str(e)
            }
        )