from fastapi import APIRouter, UploadFile, File, HTTPException, status, Depends
from typing import Any
from app.services.script_parser import parser_service
from app.schemas.script import ScriptAnalysisResponse

router = APIRouter()

@router.post("/parse", response_model=ScriptAnalysisResponse)
async def parse_script(
    file: UploadFile = File(...)
) -> Any:
    if not file.content_type in ["text/plain", "text/markdown", "application/octet-stream"]:
         raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="Only text files are supported for now."
        )
    
    content = await file.read()
    try:
        text_content = content.decode("utf-8")
    except UnicodeDecodeError:
        raise HTTPException(
            status_code=status.HTTP_400_BAD_REQUEST,
            detail="File must be UTF-8 encoded text."
        )

    try:
        result = await parser_service.parse_script(text_content)
        return result
    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            detail=f"Error parsing script: {str(e)}"
        )