import json
import logging
from typing import List, Optional

from datetime import datetime, date

from fastapi import APIRouter, Body, Depends, HTTPException, Query
from pydantic import BaseModel
from sqlalchemy.ext.asyncio import AsyncSession

from core.database import get_db
from services.support_departments import Support_departmentsService

# Set up logging
logger = logging.getLogger(__name__)

router = APIRouter(prefix="/api/v1/entities/support_departments", tags=["support_departments"])


# ---------- Pydantic Schemas ----------
class Support_departmentsData(BaseModel):
    """Entity data schema (for create/update)"""
    name: str
    slug: str
    description: str = None
    is_active: bool = None


class Support_departmentsUpdateData(BaseModel):
    """Update entity data (partial updates allowed)"""
    name: Optional[str] = None
    slug: Optional[str] = None
    description: Optional[str] = None
    is_active: Optional[bool] = None


class Support_departmentsResponse(BaseModel):
    """Entity response schema"""
    id: int
    name: str
    slug: str
    description: Optional[str] = None
    is_active: Optional[bool] = None
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None

    class Config:
        from_attributes = True


class Support_departmentsListResponse(BaseModel):
    """List response schema"""
    items: List[Support_departmentsResponse]
    total: int
    skip: int
    limit: int


class Support_departmentsBatchCreateRequest(BaseModel):
    """Batch create request"""
    items: List[Support_departmentsData]


class Support_departmentsBatchUpdateItem(BaseModel):
    """Batch update item"""
    id: int
    updates: Support_departmentsUpdateData


class Support_departmentsBatchUpdateRequest(BaseModel):
    """Batch update request"""
    items: List[Support_departmentsBatchUpdateItem]


class Support_departmentsBatchDeleteRequest(BaseModel):
    """Batch delete request"""
    ids: List[int]


# ---------- Routes ----------
@router.get("", response_model=Support_departmentsListResponse)
async def query_support_departmentss(
    query: str = Query(None, description="Query conditions (JSON string)"),
    sort: str = Query(None, description="Sort field (prefix with '-' for descending)"),
    skip: int = Query(0, ge=0, description="Number of records to skip"),
    limit: int = Query(20, ge=1, le=2000, description="Max number of records to return"),
    fields: str = Query(None, description="Comma-separated list of fields to return"),
    db: AsyncSession = Depends(get_db),
):
    """Query support_departmentss with filtering, sorting, and pagination"""
    logger.debug(f"Querying support_departmentss: query={query}, sort={sort}, skip={skip}, limit={limit}, fields={fields}")
    
    service = Support_departmentsService(db)
    try:
        # Parse query JSON if provided
        query_dict = None
        if query:
            try:
                query_dict = json.loads(query)
            except json.JSONDecodeError:
                raise HTTPException(status_code=400, detail="Invalid query JSON format")
        
        result = await service.get_list(
            skip=skip, 
            limit=limit,
            query_dict=query_dict,
            sort=sort,
        )
        logger.debug(f"Found {result['total']} support_departmentss")
        return result
    except HTTPException:
        raise
    except Exception as e:
        logger.error(f"Error querying support_departmentss: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")


@router.get("/all", response_model=Support_departmentsListResponse)
async def query_support_departmentss_all(
    query: str = Query(None, description="Query conditions (JSON string)"),
    sort: str = Query(None, description="Sort field (prefix with '-' for descending)"),
    skip: int = Query(0, ge=0, description="Number of records to skip"),
    limit: int = Query(20, ge=1, le=2000, description="Max number of records to return"),
    fields: str = Query(None, description="Comma-separated list of fields to return"),
    db: AsyncSession = Depends(get_db),
):
    # Query support_departmentss with filtering, sorting, and pagination without user limitation
    logger.debug(f"Querying support_departmentss: query={query}, sort={sort}, skip={skip}, limit={limit}, fields={fields}")

    service = Support_departmentsService(db)
    try:
        # Parse query JSON if provided
        query_dict = None
        if query:
            try:
                query_dict = json.loads(query)
            except json.JSONDecodeError:
                raise HTTPException(status_code=400, detail="Invalid query JSON format")

        result = await service.get_list(
            skip=skip,
            limit=limit,
            query_dict=query_dict,
            sort=sort
        )
        logger.debug(f"Found {result['total']} support_departmentss")
        return result
    except HTTPException:
        raise
    except Exception as e:
        logger.error(f"Error querying support_departmentss: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")


@router.get("/{id}", response_model=Support_departmentsResponse)
async def get_support_departments(
    id: int,
    fields: str = Query(None, description="Comma-separated list of fields to return"),
    db: AsyncSession = Depends(get_db),
):
    """Get a single support_departments by ID"""
    logger.debug(f"Fetching support_departments with id: {id}, fields={fields}")
    
    service = Support_departmentsService(db)
    try:
        result = await service.get_by_id(id)
        if not result:
            logger.warning(f"Support_departments with id {id} not found")
            raise HTTPException(status_code=404, detail="Support_departments not found")
        
        return result
    except HTTPException:
        raise
    except Exception as e:
        logger.error(f"Error fetching support_departments {id}: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")


@router.post("", response_model=Support_departmentsResponse, status_code=201)
async def create_support_departments(
    data: Support_departmentsData,
    db: AsyncSession = Depends(get_db),
):
    """Create a new support_departments"""
    logger.debug(f"Creating new support_departments with data: {data}")
    
    service = Support_departmentsService(db)
    try:
        result = await service.create(data.model_dump())
        if not result:
            raise HTTPException(status_code=400, detail="Failed to create support_departments")
        
        logger.info(f"Support_departments created successfully with id: {result.id}")
        return result
    except ValueError as e:
        logger.error(f"Validation error creating support_departments: {str(e)}")
        raise HTTPException(status_code=400, detail=str(e))
    except Exception as e:
        logger.error(f"Error creating support_departments: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")


@router.post("/batch", response_model=List[Support_departmentsResponse], status_code=201)
async def create_support_departmentss_batch(
    request: Support_departmentsBatchCreateRequest,
    db: AsyncSession = Depends(get_db),
):
    """Create multiple support_departmentss in a single request"""
    logger.debug(f"Batch creating {len(request.items)} support_departmentss")
    
    service = Support_departmentsService(db)
    results = []
    
    try:
        for item_data in request.items:
            result = await service.create(item_data.model_dump())
            if result:
                results.append(result)
        
        logger.info(f"Batch created {len(results)} support_departmentss successfully")
        return results
    except Exception as e:
        await db.rollback()
        logger.error(f"Error in batch create: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Batch create failed: {str(e)}")


@router.put("/batch", response_model=List[Support_departmentsResponse])
async def update_support_departmentss_batch(
    request: Support_departmentsBatchUpdateRequest,
    db: AsyncSession = Depends(get_db),
):
    """Update multiple support_departmentss in a single request"""
    logger.debug(f"Batch updating {len(request.items)} support_departmentss")
    
    service = Support_departmentsService(db)
    results = []
    
    try:
        for item in request.items:
            # Only include non-None values for partial updates
            update_dict = {k: v for k, v in item.updates.model_dump().items() if v is not None}
            result = await service.update(item.id, update_dict)
            if result:
                results.append(result)
        
        logger.info(f"Batch updated {len(results)} support_departmentss successfully")
        return results
    except Exception as e:
        await db.rollback()
        logger.error(f"Error in batch update: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Batch update failed: {str(e)}")


@router.put("/{id}", response_model=Support_departmentsResponse)
async def update_support_departments(
    id: int,
    data: Support_departmentsUpdateData,
    db: AsyncSession = Depends(get_db),
):
    """Update an existing support_departments"""
    logger.debug(f"Updating support_departments {id} with data: {data}")

    service = Support_departmentsService(db)
    try:
        # Only include non-None values for partial updates
        update_dict = {k: v for k, v in data.model_dump().items() if v is not None}
        result = await service.update(id, update_dict)
        if not result:
            logger.warning(f"Support_departments with id {id} not found for update")
            raise HTTPException(status_code=404, detail="Support_departments not found")
        
        logger.info(f"Support_departments {id} updated successfully")
        return result
    except HTTPException:
        raise
    except ValueError as e:
        logger.error(f"Validation error updating support_departments {id}: {str(e)}")
        raise HTTPException(status_code=400, detail=str(e))
    except Exception as e:
        logger.error(f"Error updating support_departments {id}: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")


@router.delete("/batch")
async def delete_support_departmentss_batch(
    request: Support_departmentsBatchDeleteRequest,
    db: AsyncSession = Depends(get_db),
):
    """Delete multiple support_departmentss by their IDs"""
    logger.debug(f"Batch deleting {len(request.ids)} support_departmentss")
    
    service = Support_departmentsService(db)
    deleted_count = 0
    
    try:
        for item_id in request.ids:
            success = await service.delete(item_id)
            if success:
                deleted_count += 1
        
        logger.info(f"Batch deleted {deleted_count} support_departmentss successfully")
        return {"message": f"Successfully deleted {deleted_count} support_departmentss", "deleted_count": deleted_count}
    except Exception as e:
        await db.rollback()
        logger.error(f"Error in batch delete: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Batch delete failed: {str(e)}")


@router.delete("/{id}")
async def delete_support_departments(
    id: int,
    db: AsyncSession = Depends(get_db),
):
    """Delete a single support_departments by ID"""
    logger.debug(f"Deleting support_departments with id: {id}")
    
    service = Support_departmentsService(db)
    try:
        success = await service.delete(id)
        if not success:
            logger.warning(f"Support_departments with id {id} not found for deletion")
            raise HTTPException(status_code=404, detail="Support_departments not found")
        
        logger.info(f"Support_departments {id} deleted successfully")
        return {"message": "Support_departments deleted successfully", "id": id}
    except HTTPException:
        raise
    except Exception as e:
        logger.error(f"Error deleting support_departments {id}: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Internal server error: {str(e)}")