from fastapi import APIRouter, Depends, HTTPException

from core_domain import CodeExecutionRequestContract, CodeExecutionResponseContract, ServiceHealth
from app.application.services import CodeRunnerApplicationService
from app.bootstrap.settings import CodeRunnerServiceSettings
from app.infrastructure.runner import CodeRunnerError, PythonCodeRunner

router = APIRouter()


def get_code_runner_settings() -> CodeRunnerServiceSettings:
    return CodeRunnerServiceSettings()


def get_code_runner_application_service(
    settings: CodeRunnerServiceSettings = Depends(get_code_runner_settings),
) -> CodeRunnerApplicationService:
    return CodeRunnerApplicationService(
        runner=PythonCodeRunner(settings=settings),
        settings=settings,
    )


@router.get("/health", response_model=ServiceHealth)
def health_check(
    settings: CodeRunnerServiceSettings = Depends(get_code_runner_settings),
) -> ServiceHealth:
    return ServiceHealth(service="code-runner-service", status="ok", database=settings.python_bin)


@router.post("/execute", response_model=CodeExecutionResponseContract)
def execute_code(
    payload: CodeExecutionRequestContract,
    service: CodeRunnerApplicationService = Depends(get_code_runner_application_service),
) -> CodeExecutionResponseContract:
    try:
        return service.execute_code(payload)
    except CodeRunnerError as exc:
        raise HTTPException(status_code=422, detail=str(exc)) from exc