import logging
import json
from fastapi import FastAPI
from app.api import api_router
from fastapi.middleware.cors import CORSMiddleware
from fastapi.middleware.gzip import GZipMiddleware

class JsonFormatter(logging.Formatter):
    def format(self, record):
        log_record = {
            "level": record.levelname,
            "time": self.formatTime(record, self.datefmt),
            "name": record.name,
            "message": record.getMessage(),
        }
        if record.exc_info:
            log_record["exc_info"] = self.formatException(record.exc_info)
        return json.dumps(log_record)

handler = logging.StreamHandler()
handler.setFormatter(JsonFormatter())
logging.basicConfig(level=logging.INFO, handlers=[handler])

app = FastAPI(title="Collinear API")

# Enable CORS for the frontend
frontend_origin = "http://localhost:5173"
app.add_middleware(
    CORSMiddleware,
    allow_origins=[frontend_origin],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.add_middleware(GZipMiddleware, minimum_size=1000)

app.include_router(api_router, prefix="/api")

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

if __name__ == "__main__":
    import uvicorn
    uvicorn.run("app.main:app", host="0.0.0.0", port=8000, reload=True)