"""Tests for notes loading."""

import pytest
from pathlib import Path

import debian_todo


class TestLoadNotes:
    """Tests for load_notes function."""

    def test_loads_notes_from_file(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        notes_file.write_text("foo some note\nbar another note\n")
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {"foo": "some note", "bar": "another note"}

    def test_returns_empty_when_file_missing(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {}

    def test_handles_package_without_note(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        notes_file.write_text("foo\n")
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {"foo": ""}

    def test_joins_multiple_notes(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        notes_file.write_text("foo first note\nfoo second note\n")
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {"foo": "first note; second note"}

    def test_skips_blank_lines(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        notes_file.write_text("foo note one\n\nbar note two\n\n")
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {"foo": "note one", "bar": "note two"}

    def test_handles_multiword_notes(self, tmp_path, monkeypatch):
        notes_file = tmp_path / "notes"
        notes_file.write_text("foo this is a long note with many words\n")
        monkeypatch.setattr(debian_todo, "NOTES_PATH", notes_file)

        result = debian_todo.load_notes()
        assert result == {"foo": "this is a long note with many words"}