"""
物料管理路由模块

提供物料价格历史和供应商关联管理功能，包括：
- 物料价格历史记录
- 物料供应商关联管理
- 物料价格趋势分析

路由前缀: /api/materials
"""
from fastapi import APIRouter, Depends, Query
from sqlalchemy.ext.asyncio import AsyncSession
from typing import List

from shared.database.database import get_db_session
from shared.services.auth_service import get_current_active_user
from shared.models.identity import User
from ..schemas import (
    MaterialPriceHistoryCreate,
    MaterialPriceHistoryResponse,
    MaterialSupplierCreate,
    MaterialSupplierResponse,
    MaterialPriceTrendResponse
)
from ..services.material_service import material_service

router = APIRouter(prefix="/materials", tags=["物料管理"])


@router.post("/{product_id}/price-history", response_model=MaterialPriceHistoryResponse, status_code=201)
async def add_material_price_history(
    product_id: int,
    price_data: MaterialPriceHistoryCreate,
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.add_price_history(db_session, product_id, price_data, current_user)


@router.get("/{product_id}/price-history", response_model=List[MaterialPriceHistoryResponse])
async def get_material_price_history(
    product_id: int,
    limit: int = Query(20, ge=1, le=100),
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.get_price_history(db_session, product_id, limit)


@router.get("/{product_id}/price-trend", response_model=MaterialPriceTrendResponse)
async def get_material_price_trend(
    product_id: int,
    months: int = Query(6, ge=1, le=24),
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.get_price_trend(db_session, product_id, months)


@router.post("/{product_id}/suppliers", response_model=MaterialSupplierResponse, status_code=201)
async def add_material_supplier(
    product_id: int,
    supplier_data: MaterialSupplierCreate,
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.add_material_supplier(db_session, product_id, supplier_data, current_user)


@router.get("/{product_id}/suppliers", response_model=List[MaterialSupplierResponse])
async def get_material_suppliers(
    product_id: int,
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.get_material_suppliers(db_session, product_id)


@router.delete("/suppliers/{supplier_id}")
async def remove_material_supplier(
    supplier_id: int,
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.remove_material_supplier(db_session, supplier_id, current_user)


@router.get("/suppliers/{supplier_id}/materials", response_model=List[MaterialSupplierResponse])
async def get_supplier_materials(
    supplier_id: int,
    db_session: AsyncSession = Depends(get_db_session),
    current_user: User = Depends(get_current_active_user)
):
    return await material_service.get_supplier_materials(db_session, supplier_id)