"""Tests for FastAPI routes and validation."""

from __future__ import annotations

from pathlib import Path

import pytest
from app import config, pipeline
from app.main import _safe_job_file, _validate_job_id, app
from fastapi import HTTPException
from fastapi.testclient import TestClient


@pytest.fixture
def client(data_dir: Path) -> TestClient:
    return TestClient(app)


def test_validate_job_id_sanitizes_input() -> None:
    assert _validate_job_id("foo@bar") == "foo_bar"
    assert _validate_job_id("photo01") == "photo01"


def test_safe_job_file_rejects_wrong_prefix(data_dir: Path) -> None:
    stem = "photo01"
    paths = pipeline.job_paths(stem)
    paths.variants.mkdir(parents=True, exist_ok=True)
    target = paths.variants / f"{stem}_v1.png"
    target.write_bytes(b"x")
    with pytest.raises(HTTPException):
        _safe_job_file(stem, "other_v1.png")


def test_index_empty(client: TestClient) -> None:
    response = client.get("/")
    assert response.status_code == 200
    assert config.SITE_TITLE in response.text


def test_job_not_found(client: TestClient) -> None:
    response = client.get("/jobs/does-not-exist")
    assert response.status_code == 404