from fastapi import FastAPI
from .api import vector, raster, cd_prediction, unit_grouping, water, agricultural_input, cd_flux_removal, cd_flux
from .database import engine, Base
from fastapi.middleware.cors import CORSMiddleware
import logging
import sys
import os

# 设置日志
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

def safe_create_tables():
    """
    安全地创建数据库表
    
    @description: 直接创建表结构，跳过迁移检查
    """
    try:
        # 直接创建数据库表
        Base.metadata.create_all(bind=engine)
        logger.info("数据库表结构创建完成")
        
    except Exception as e:
        logger.error(f"数据库表创建失败: {str(e)}")
        logger.error("请检查数据库连接和表结构定义")
        # 不要退出，继续运行应用
        # sys.exit(1)  # 注释掉这行，避免应用退出

# 执行数据库初始化
safe_create_tables()

app = FastAPI(
    title="地图数据处理系统",
    description="一个用于处理地图数据的API系统",
    version="1.0.0",
    openapi_tags=[
        # ...（保持原有标签定义不变）
    ]
)

# ---------------------------
# 添加 CORS 配置（关键修改）
# ---------------------------
app.add_middleware(
    CORSMiddleware,
    allow_origins=["https://soilgd.com", "http://localhost:5173", "https://www.soilgd.com"],
    allow_methods=["*"],
    allow_headers=["*"],
    allow_credentials=True,
)

# 注册路由（保持原有路由注册不变）
app.include_router(vector.router, prefix="/api/vector", tags=["vector"])
app.include_router(raster.router, prefix="/api/raster", tags=["raster"])
app.include_router(cd_prediction.router, prefix="/api/cd-prediction", tags=["cd-prediction"])
app.include_router(unit_grouping.router, prefix="/api/unit-grouping", tags=["unit-grouping"])
app.include_router(water.router, prefix="/api/water", tags=["water"])
app.include_router(agricultural_input.router, prefix="/api/agricultural-input", tags=["agricultural-input"])
app.include_router(cd_flux_removal.router, prefix="/api/cd-flux-removal", tags=["cd-flux-removal"])
app.include_router(cd_flux.router, prefix="/api/cd-flux", tags=["cd-flux"])

@app.get("/")
async def root():
    return {"message": "Welcome to the GIS Data Management API"}

# 可选：添加健康检查端点
@app.get("/health")
async def health_check():
    return {"status": "healthy", "database": "connected"}