"""Test that install.bat references files that actually exist in the repo.

Catches: deleted dependency files, renamed requirements, missing environment.yml.
"""

import os

ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# Files install.bat references by name (not env vars or paths)
REQUIRED_FILES = [
    "requirements.txt",
    "requirements-win10.txt",
    "requirements-win11.txt",
    "environment.yml",
    "environment-win10.yml",
    "environment-win11.yml",
    "find_python.bat",
]

# Files that may or may not exist depending on the branch
OPTIONAL_FILES = [
    "dependencies/tesseract52.dll",
    "dependencies/tesserocr.cp310-win_amd64.pyd",
    "dependencies/tesserocr-2.5.2-cp310-cp310-win_amd64.whl",
]


def _exists(name):
    return os.path.isfile(os.path.join(ROOT, name))


class TestInstallBatReferences:
    def test_required_files_exist(self):
        missing = [f for f in REQUIRED_FILES if not _exists(f)]
        assert not missing, f"install.bat references missing files: {missing}"

    def test_optional_files_at_least_one_exists(self):
        existing = [f for f in OPTIONAL_FILES if _exists(f)]
        assert len(existing) >= 1, (
            "install.bat references tesseract/tesserocr dependencies but none exist in "
            "dependencies/ directory — install.bat will silently skip OCR setup"
        )

    def test_install_bat_exists(self):
        assert _exists("install.bat"), "install.bat is missing from repo root"

    def test_run_botty_bat_exists(self):
        assert _exists("run_botty.bat"), "run_botty.bat is missing from repo root"

    def test_config_params_exists(self):
        assert _exists("config/params.ini"), "config/params.ini is missing"

    def test_config_game_ini_exists(self):
        assert _exists("config/game.ini"), "config/game.ini is missing"

    def test_tessdata_directory_exists(self):
        tessdata = os.path.join(ROOT, "assets", "tessdata")
        assert os.path.isdir(tessdata), "assets/tessdata/ directory is missing"

    def test_tessdata_has_traineddata(self):
        tessdata = os.path.join(ROOT, "assets", "tessdata")
        trained = [f for f in os.listdir(tessdata) if f.endswith(".traineddata")]
        assert len(trained) >= 1, "assets/tessdata/ has no .traineddata files"

    def test_src_main_exists(self):
        assert _exists("src/main.py"), "src/main.py is missing"