from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Request
from fastapi.security import HTTPBearer
from pydantic import BaseModel
from slowapi.util import get_remote_address
from slowapi import Limiter
from slowapi.errors import RateLimitExceeded
from config import ACCESS_RATE
from .controller import (
    handle_text_analysis,
    handle_file_upload,
    handle_sentence_level_analysis,
    handle_file_sentence,
    verify_token
)

limiter = Limiter(key_func=get_remote_address)
router = APIRouter()
security = HTTPBearer()

class TextInput(BaseModel):
    text: str

@router.post("/analyse")
@limiter.limit(ACCESS_RATE)
async def analyze(request: Request, data: TextInput, token: str = Depends(verify_token)):
    return await handle_text_analysis(data.text)

@router.post("/upload")
@limiter.limit(ACCESS_RATE)
async def upload_file(request: Request, file: UploadFile = File(...), token: str = Depends(verify_token)):
    return await handle_file_upload(file)

@router.post("/analyse-sentences")
@limiter.limit(ACCESS_RATE)
async def analyze_sentences(request: Request, data: TextInput, token: str = Depends(verify_token)):
    if not data.text:
        raise HTTPException(status_code=400, detail="Missing 'text' in request body")
    return await handle_sentence_level_analysis(data.text)

@router.post("/analyse-sentance-file")
@limiter.limit(ACCESS_RATE)
async def analyze_sentance_file(request: Request, file: UploadFile = File(...), token: str = Depends(verify_token)):
    return await handle_file_sentence(file)

@router.get("/health")
@limiter.limit(ACCESS_RATE)
def health(request: Request):
    return {"status": "ok"}