import pytest

from timesheets.projects import load_project_map, resolve_project_task

PROJECT_MAP = {
    "bugs": {"Project": "[Factry] Historian", "Task": "[Historian] Bugs"},
    "internal": {"Project": "[Factry] Internal", "Task": ""},
}


# ---------------------------------------------------------------------------
# load_project_map
# ---------------------------------------------------------------------------


class TestLoadProjectMap:
    def test_returns_empty_for_none(self):
        assert load_project_map(None) == {}

    def test_loads_valid_file(self, tmp_path):
        f = tmp_path / "map.json"
        f.write_text('{"bugs": {"Project": "X", "Task": "Y"}}')
        result = load_project_map(str(f))
        assert result == {"bugs": {"Project": "X", "Task": "Y"}}

    def test_missing_file_returns_empty(self, tmp_path, capsys):
        result = load_project_map(str(tmp_path / "nonexistent.json"))
        assert result == {}
        assert "Warning" in capsys.readouterr().err

    def test_invalid_json_returns_empty(self, tmp_path, capsys):
        f = tmp_path / "bad.json"
        f.write_text("not json{{{")
        result = load_project_map(str(f))
        assert result == {}
        assert "Warning" in capsys.readouterr().err


# ---------------------------------------------------------------------------
# resolve_project_task
# ---------------------------------------------------------------------------


class TestResolveProjectTask:
    def test_exact_key_match(self):
        project, task = resolve_project_task("bugs", PROJECT_MAP)
        assert project == "[Factry] Historian"
        assert task == "[Historian] Bugs"

    def test_case_insensitive_lookup(self):
        project, task = resolve_project_task("BUGS", PROJECT_MAP)
        assert project == "[Factry] Historian"

    def test_missing_key_returns_raw(self):
        project, task = resolve_project_task("unknown", PROJECT_MAP)
        assert project == "unknown"
        assert task == ""

    def test_empty_task_in_map(self):
        project, task = resolve_project_task("internal", PROJECT_MAP)
        assert project == "[Factry] Internal"
        assert task == ""

    def test_empty_map(self):
        project, task = resolve_project_task("bugs", {})
        assert project == "bugs"
        assert task == ""