"""Shared fixtures: temporary git repositories and tracker configuration."""

from __future__ import annotations

import subprocess
from pathlib import Path

import pytest


def _git(*args: str, cwd: Path) -> None:
    subprocess.run(
        ["git", *args],
        cwd=str(cwd),
        check=True,
        capture_output=True,
    )


@pytest.fixture
def git_repo(tmp_path: Path) -> Path:
    """A fresh git repository with one initial commit on 'main'."""
    repo = tmp_path / "project"
    repo.mkdir()
    _git("init", "-b", "main", cwd=repo)
    _git("config", "user.name", "Test User", cwd=repo)
    _git("config", "user.email", "test@example.com", cwd=repo)
    (repo / "README.md").write_text("initial\n", encoding="utf-8")
    _git("add", "README.md", cwd=repo)
    _git("commit", "-m", "initial", cwd=repo)
    return repo


@pytest.fixture
def tracker_config(git_repo: Path, tmp_path: Path) -> dict:
    """Tracker configuration dict pointing at the fixture repository."""
    return {
        "application": {"timezone": "Europe/Stockholm"},
        "repository": {"path": str(git_repo), "branch": "main"},
        "git": {
            "user_name": "SCADA Change Tracker",
            "user_email": "git-auto-tracker@localhost",
        },
        "files": {
            "include": ["**/*"],
            "exclude": ["**/*.tmp", "**/*.log", ".git/**"],
        },
        "security": {
            "forbidden_patterns": ["**/*.key", "**/*.pem", "**/secrets.*", "**/credentials.*"],
        },
        "author_resolution": {
            "resolvers": ["sidecar_metadata"],
            "minimum_confidence": "probable",
            "fallback": "unknown",
        },
        "logging": {"level": "INFO", "console": False, "file": None},
    }


@pytest.fixture
def write_config(tmp_path: Path) -> object:
    """Factory: write a config dict to YAML and return its path."""

    import yaml

    class _Writer:
        def __call__(self, config: dict, name: str = "git-auto-tracker.yaml") -> Path:
            path = tmp_path / name
            path.write_text(yaml.safe_dump(config), encoding="utf-8")
            return path

    return _Writer()