from fastapi import APIRouter, HTTPException
from typing import Dict, Any, Optional, List
import asyncio

from adapters.amocrm_client import AmoCRMClient

router = APIRouter()


@router.get("/fetch/{entity_type}")
async def fetch_amocrm_entity(
    entity_type: str,
    limit: int = 10,
    page: int = 1
) -> Dict[str, Any]:
    """Fetch data directly from AMO CRM API"""

    try:
        client = AmoCRMClient()

        if entity_type == "users":
            return await client.get_users(limit=limit)
        elif entity_type == "pipelines":
            return await client.get_pipelines()
        elif entity_type == "companies":
            return await client.get_companies(limit=limit, page=page)
        elif entity_type == "contacts":
            return await client.get_contacts(limit=limit, page=page)
        elif entity_type == "deals":
            return await client.get_deals(limit=limit, page=page)
        elif entity_type == "events":
            return await client.get_events(limit=limit, page=page)
        else:
            raise HTTPException(status_code=404, detail=f"Entity type '{entity_type}' not supported")

    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Error fetching from AMO CRM: {str(e)}")


@router.get("/fetch/custom_fields/{entity_type}")
async def fetch_custom_fields(entity_type: str) -> Dict[str, Any]:
    """Fetch custom fields metadata from AMO CRM"""

    valid_types = ["leads", "contacts", "companies"]
    if entity_type not in valid_types:
        raise HTTPException(status_code=400, detail=f"Entity type must be one of: {valid_types}")

    try:
        client = AmoCRMClient()
        return await client.get_custom_fields(entity_type)

    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Error fetching custom fields: {str(e)}")


@router.get("/fetch/all")
async def fetch_all_amocrm_data() -> Dict[str, Any]:
    """Fetch all data from AMO CRM (limited amounts for testing)"""

    try:
        client = AmoCRMClient()
        return await client.fetch_all_data()

    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Error fetching all data: {str(e)}")


@router.post("/sync/{entity_type}")
async def sync_entity_from_amocrm(
    entity_type: str,
    limit: int = 250,
    page: int = 1
) -> Dict[str, Any]:
    """Fetch data from AMO CRM and store it in database"""

    # This would integrate with the data ingestion endpoints
    # For now, just fetch the data
    try:
        client = AmoCRMClient()

        if entity_type == "users":
            data = await client.get_users(limit=limit)
        elif entity_type == "pipelines":
            data = await client.get_pipelines()
        elif entity_type == "companies":
            data = await client.get_companies(limit=limit, page=page)
        elif entity_type == "contacts":
            data = await client.get_contacts(limit=limit, page=page)
        elif entity_type == "deals":
            data = await client.get_deals(limit=limit, page=page)
        elif entity_type == "events":
            data = await client.get_events(limit=limit, page=page)
        else:
            raise HTTPException(status_code=404, detail=f"Entity type '{entity_type}' not supported")

        # TODO: Integrate with data ingestion endpoints
        # For now, return the fetched data
        return {
            "message": f"Fetched {entity_type} from AMO CRM",
            "data": data,
            "sync_status": "fetched_only"  # Would be "synced" when integrated
        }

    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Error syncing from AMO CRM: {str(e)}")


@router.get("/info")
async def amocrm_info() -> Dict[str, Any]:
    """Get AMO CRM connection info"""
    from utils.config import settings

    return {
        "domain": settings.AMO_CRM_DOMAIN,
        "has_token": bool(settings.AMO_CRM_ACCESS_TOKEN),
        "base_url": f"https://{settings.AMO_CRM_DOMAIN}/api/v4",
        "supported_entities": [
            "users", "pipelines", "companies",
            "contacts", "deals", "events"
        ]
    }