import os
import pytest
import json
import tomli_w
from pathlib import Path
from src import paths
from src import project_manager

def test_get_conductor_dir_default():
    paths.reset_resolved()
    # Should return absolute path to "conductor" in project root
    expected = Path(__file__).resolve().parent.parent / "conductor"
    assert paths.get_conductor_dir() == expected

def test_get_conductor_dir_project_specific_with_toml(tmp_path):
    paths.reset_resolved()
    project_root = tmp_path / "my_project"
    project_root.mkdir()
    
    # Create manual_slop.toml with custom conductor dir
    toml_path = project_root / "manual_slop.toml"
    config = {
        "conductor": {
            "dir": "custom_tracks"
        }
    }
    with open(toml_path, "wb") as f:
        f.write(tomli_w.dumps(config).encode())
        
    res = paths.get_conductor_dir(project_path=str(project_root))
    assert res == project_root / "custom_tracks"

def test_get_all_tracks_project_specific(tmp_path):
    paths.reset_resolved()
    project_root = tmp_path / "my_project"
    project_root.mkdir()
    
    # Custom conductor dir
    custom_dir = project_root / "my_conductor"
    custom_dir.mkdir()
    tracks_dir = custom_dir / "tracks"
    tracks_dir.mkdir()
    
    # Create a dummy track
    track_dir = tracks_dir / "test_track_20260312"
    track_dir.mkdir()
    with open(track_dir / "metadata.json", "w") as f:
        json.dump({"id": "test_track", "title": "Test Track"}, f)
        
    # Setup manual_slop.toml
    toml_path = project_root / "manual_slop.toml"
    config = {"conductor": {"dir": "my_conductor"}}
    with open(toml_path, "wb") as f:
        f.write(tomli_w.dumps(config).encode())
        
    # project_manager.get_all_tracks(base_dir) should now find it
    tracks = project_manager.get_all_tracks(str(project_root))
    assert len(tracks) == 1
    assert tracks[0]["title"] == "Test Track"

def test_get_all_tracks_global_fallback(tmp_path):
    paths.reset_resolved()
    
    # Create a directory without manual_slop.toml
    empty_dir = tmp_path / "empty_project"
    empty_dir.mkdir()
    
    # Setup a fake global conductor
    global_conductor = tmp_path / "global_conductor"
    global_conductor.mkdir()
    global_tracks = global_conductor / "tracks"
    global_tracks.mkdir()
    
    track_dir = global_tracks / "global_track"
    track_dir.mkdir()
    with open(track_dir / "metadata.json", "w") as f:
        json.dump({"id": "global_track", "title": "Global Track"}, f)
        
    # Override global conductor dir via env var
    os.environ["SLOP_CONDUCTOR_DIR"] = str(global_conductor)
    try:
        paths.reset_resolved()
        # Pass project_path pointing to a dir without TOML
        tracks = project_manager.get_all_tracks(str(empty_dir))
        # paths.get_conductor_dir(str(empty_dir)) should fall back to global
        assert any(t["id"] == "global_track" for t in tracks)
    finally:
        del os.environ["SLOP_CONDUCTOR_DIR"]