from fastapi import APIRouter, HTTPException, Query, Path
from pydantic import BaseModel
from typing import List, Optional
from uuid import UUID
from datetime import datetime

from src.config import logger
from src.models import Weights
from src.services import ComparativeWeightService


class ComparitiveWeight(BaseModel):
    id: UUID
    rfp_id: UUID
    technical_weight: Weights
    management_weight: Weights
    past_performance_weight: Weights
    price_weight: Weights
    strengths_weight: float
    weaknesses_weight: float
    flag: Optional[bool] = False
    created_at: datetime
    updated_at: datetime


class ResponseComparativeWeight(BaseModel):
    status: str
    data: Optional[List[ComparitiveWeight]]


class DeleteResponse(BaseModel):
    status: str


class ComparativeWeightRequest(BaseModel):
    technical_weight: Optional[Weights] = None
    management_weight: Optional[Weights] = None
    past_performance_weight: Optional[Weights] = None
    price_weight: Optional[Weights] = None
    strengths_weight: Optional[float] = None
    weaknesses_weight: Optional[float] = None
    flag: Optional[bool] = None


class ComparativeWeightController:
    def __init__(self):
        self.comparative_weight_service = ComparativeWeightService
        self.router = APIRouter()
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights",
            self.get_comparative_weights_by_rfp_id,
            methods=["GET"],
            response_model=ResponseComparativeWeight,
            tags=["Comparative Weights by RFP ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights/{id}",
            self.get_comparative_weights_by_id,
            methods=["GET"],
            response_model=ResponseComparativeWeight,
            tags=["Comparative Weights by RFP ID and ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights",
            self.create_comparative_weights,
            methods=["POST"],
            response_model=ResponseComparativeWeight,
            tags=["Comparative Weights by RFP ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights/{id}",
            self.update_comparative_weights_by_id,
            methods=["PUT"],
            response_model=ResponseComparativeWeight,
            tags=["Comparative Weights by RFP ID and ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights",
            self.update_comparative_weights,
            methods=["PUT"],
            response_model=ResponseComparativeWeight,
            tags=["Comparative Weights by RFP ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights",
            self.delete_comparative_weights,
            methods=["DELETE"],
            response_model=DeleteResponse,
            tags=["Comparative Weights by RFP ID"],
        )
        self.router.add_api_route(
            "/rfps/{rfp_id}/comparative-weights/{id}",
            self.delete_comparative_weights_by_id,
            methods=["DELETE"],
            response_model=DeleteResponse,
            tags=["Comparative Weights by RFP ID and ID"],
        )

    async def get_comparative_weights_by_rfp_id(self, rfp_id: str = Path(...)):
        try:
            async with self.comparative_weight_service() as service:
                comparative_weights = await service.get_comparative_weights(
                    rfp_id=rfp_id
                )
            return ResponseComparativeWeight(
                status="success",
                data=[
                    ComparitiveWeight(**comparative_weight)
                    for comparative_weight in comparative_weights
                ],
            )
        except Exception as e:
            logger.error(f"Error getting comparative weights by rfp id: {e}")
            raise HTTPException(
                status_code=500, detail="Error getting comparative weights by rfp id"
            )

    async def get_comparative_weights_by_id(
        self, rfp_id: str = Path(...), id: str = Path(...)
    ):
        try:
            async with self.comparative_weight_service() as service:
                comparative_weights = await service.get_comparative_weights(
                    rfp_id=rfp_id, id=id
                )
            return ResponseComparativeWeight(
                status="success",
                data=[
                    ComparitiveWeight(**comparative_weight)
                    for comparative_weight in comparative_weights
                ],
            )
        except Exception as e:
            logger.error(f"Error getting comparative weights by id: {e}")
            raise HTTPException(
                status_code=500, detail="Error getting comparative weights by id"
            )

    async def create_comparative_weights(
        self, comparative_weights: ComparativeWeightRequest, rfp_id: str = Path(...)
    ):
        try:
            async with self.comparative_weight_service() as service:
                comparative_weights = await service.create_comparative_weights(
                    rfp_id=rfp_id,
                    comparative_weights=comparative_weights.model_dump(
                        mode="json", exclude_unset=True
                    ),
                )
            return ResponseComparativeWeight(
                status="success",
                data=[
                    ComparitiveWeight(**comparative_weight)
                    for comparative_weight in comparative_weights
                ],
            )
        except Exception as e:
            logger.error(f"Error creating comparative weights: {e}")
            raise HTTPException(
                status_code=500, detail="Error creating comparative weights"
            )

    async def update_comparative_weights(
        self, comparative_weights: ComparativeWeightRequest, rfp_id: str = Path(...)
    ):
        try:
            async with self.comparative_weight_service() as service:
                comparative_weights = await service.update_comparative_weights(
                    rfp_id=rfp_id,
                    comparative_weights=comparative_weights.model_dump(
                        mode="json", exclude_unset=True
                    ),
                )
            return ResponseComparativeWeight(
                status="success",
                data=[
                    ComparitiveWeight(**comparative_weight)
                    for comparative_weight in comparative_weights
                ],
            )
        except Exception as e:
            logger.error(f"Error updating comparative weights: {e}")
            raise HTTPException(
                status_code=500, detail="Error updating comparative weights"
            )

    async def update_comparative_weights_by_id(
        self,
        comparative_weights: ComparativeWeightRequest,
        rfp_id: str = Path(...),
        id: str = Path(...),
    ):
        try:
            async with self.comparative_weight_service() as service:
                comparative_weights = await service.update_comparative_weights(
                    rfp_id=rfp_id,
                    id=id,
                    comparative_weights=comparative_weights.model_dump(
                        mode="json", exclude_unset=True
                    ),
                )
            return ResponseComparativeWeight(
                status="success",
                data=[
                    ComparitiveWeight(**comparative_weight)
                    for comparative_weight in comparative_weights
                ],
            )
        except Exception as e:
            logger.error(f"Error updating comparative weights by id: {e}")
            raise HTTPException(
                status_code=500, detail="Error updating comparative weights by id"
            )

    async def delete_comparative_weights(self, rfp_id: str = Path(...)):
        try:
            async with self.comparative_weight_service() as service:
                await service.delete_comparative_weights(rfp_id=rfp_id)
            return DeleteResponse(status="success")
        except Exception as e:
            logger.error(f"Error deleting comparative weights: {e}")
            raise HTTPException(
                status_code=500, detail="Error deleting comparative weights"
            )

    async def delete_comparative_weights_by_id(
        self, rfp_id: str = Path(...), id: str = Path(...)
    ):
        try:
            async with self.comparative_weight_service() as service:
                await service.delete_comparative_weights(rfp_id=rfp_id, id=id)
            return DeleteResponse(status="success")
        except Exception as e:
            logger.error(f"Error deleting comparative weights: {e}")
            raise HTTPException(
                status_code=500, detail="Error deleting comparative weights"
            )