import subprocess
from pathlib import Path
from app.git_sync import GitSyncManager


def test_git_sync_conflict_handling(tmp_path: Path):
    repo_dir = tmp_path / "fake_repo"
    repo_dir.mkdir()
    subprocess.run(["git", "init", "-b", "main", str(repo_dir)], check=True)
    subprocess.run(["git", "-C", str(repo_dir), "config", "user.email", "test@test.local"], check=True)
    subprocess.run(["git", "-C", str(repo_dir), "config", "user.name", "Test User"], check=True)

    test_file = repo_dir / "test.txt"
    test_file.write_text("initial")
    subprocess.run(["git", "-C", str(repo_dir), "add", "."], check=True)
    subprocess.run(["git", "-C", str(repo_dir), "commit", "-m", "initial commit"], check=True)

    mgr = GitSyncManager(wiki_dir=repo_dir)
    assert mgr.ensure_repo() is True
    assert mgr.status == "ok"
    assert mgr.is_conflict is False


def test_git_url_encoding(monkeypatch):
    monkeypatch.setattr("app.git_sync.GIT_USERNAME", "moritz@graf")
    monkeypatch.setattr("app.git_sync.GIT_PASSWORD", "p@ss:w/ord%123")
    monkeypatch.setattr("app.git_sync.GIT_REPO_URL", "https://git.moritzgraf.de/moritz/knowledge-wiki.git")

    mgr = GitSyncManager()
    auth_url = mgr.get_auth_repo_url()
    assert auth_url == "https://moritz%40graf:p%40ss%3Aw%2Ford%25123@git.moritzgraf.de/moritz/knowledge-wiki.git"


def test_ensure_repo_handles_non_empty_dir(tmp_path: Path):
    # Simulate a PVC containing lost+found before repo initialization
    wiki_pvc = tmp_path / "wiki_pvc"
    wiki_pvc.mkdir()
    (wiki_pvc / "lost+found").mkdir()

    # Create upstream origin to fetch from
    origin = tmp_path / "origin.git"
    subprocess.run(["git", "init", "--bare", str(origin)], check=True)

    # Push initial commit to bare origin
    work = tmp_path / "work"
    work.mkdir()
    subprocess.run(["git", "init", "-b", "main", str(work)], check=True)
    subprocess.run(["git", "-C", str(work), "config", "user.name", "Admin"], check=True)
    subprocess.run(["git", "-C", str(work), "config", "user.email", "admin@test.local"], check=True)
    (work / "README.md").write_text("# Knowledge Wiki")
    subprocess.run(["git", "-C", str(work), "add", "."], check=True)
    subprocess.run(["git", "-C", str(work), "commit", "-m", "init"], check=True)
    subprocess.run(["git", "-C", str(work), "remote", "add", "origin", str(origin)], check=True)
    subprocess.run(["git", "-C", str(work), "push", "origin", "main"], check=True)

    # Now verify GitSyncManager initializes cleanly into non-empty directory
    mgr = GitSyncManager(wiki_dir=wiki_pvc)
    # Point URL to file repo
    import app.git_sync
    app.git_sync.GIT_REPO_URL = str(origin)
    app.git_sync.GIT_USERNAME = ""
    app.git_sync.GIT_PASSWORD = ""

    success = mgr.ensure_repo()
    assert success is True
    assert (wiki_pvc / ".git").is_dir()
    assert (wiki_pvc / "README.md").is_file()
    assert (wiki_pvc / "lost+found").is_dir()