import pytest
from pathlib import Path
import subprocess

from fixtures.sample_repo import MockLLMProvider


class TestReviewWorkflow:
    def test_review_with_no_staged_changes(self, temp_git_repo, mock_config):
        from src.core.review_engine import ReviewEngine
        from src.llm import LLMProvider

        engine = ReviewEngine(config=mock_config, llm_provider=MockLLMProvider())
        engine.set_repo(temp_git_repo)
        result = engine.review_staged_changes([])
        assert result.error == "No staged changes found"

    def test_review_with_staged_file(self, temp_git_repo, sample_python_file, mock_config):
        from src.core.review_engine import ReviewEngine
        from src.git import get_staged_changes

        subprocess.run(["git", "add", "test.py"], cwd=temp_git_repo, capture_output=True)
        changes = get_staged_changes(temp_git_repo)

        engine = ReviewEngine(config=mock_config, llm_provider=MockLLMProvider())
        engine.set_repo(temp_git_repo)
        result = engine.review_staged_changes(changes)

        assert result.review_mode == "balanced"
        assert result.error is None or len(result.issues) >= 0


class TestHookInstallation:
    def test_install_hook(self, temp_git_repo):
        from src.hooks import install_pre_commit_hook

        result = install_pre_commit_hook(temp_git_repo)
        assert result is True

        hook_path = temp_git_repo / ".git" / "hooks" / "pre-commit"
        assert hook_path.exists()

        content = hook_path.read_text()
        assert "aicr" in content or "review" in content

    def test_check_hook_installed(self, temp_git_repo):
        from src.hooks import install_pre_commit_hook, check_hook_installed

        assert check_hook_installed(temp_git_repo) is False
        install_pre_commit_hook(temp_git_repo)
        assert check_hook_installed(temp_git_repo) is True