from pathlib import Path

import pytest

from llm_chat.bot import Bot, BotConfig, BotDoesNotExist, BotExists


def test_create_load_remove_bot(tmp_path: Path) -> None:
    bot_name = "Test Bot"
    bot_id = "test-bot"

    with (tmp_path / "context.md").open("w") as f:
        f.write("Hello, world!")

    assert not (tmp_path / bot_id).exists()

    Bot.create(
        name=bot_name,
        bot_dir=tmp_path,
        context_files=[tmp_path / "context.md"],
    )

    assert (tmp_path / bot_id).exists()
    assert (tmp_path / bot_id / "context").exists()
    assert (tmp_path / bot_id / "context" / "context.md").exists()
    assert (tmp_path / bot_id / f"{bot_id}.json").exists()

    with (tmp_path / bot_id / f"{bot_id}.json").open() as f:
        config = BotConfig.model_validate_json(f.read(), strict=True)
        assert config.name == bot_name
        assert config.bot_id == bot_id
        assert config.context_files == ["context.md"]

    with (tmp_path / bot_id / "context" / "context.md").open() as f:
        assert f.read() == "Hello, world!"

    bot = Bot.load(name=bot_name, bot_dir=tmp_path)
    assert bot.config == config
    assert bot.id == bot_id
    assert bot.name == bot_name

    Bot.remove(name=bot_name, bot_dir=tmp_path)

    assert not (tmp_path / bot_id).exists()


def test_bot_does_not_exist(tmp_path: Path) -> None:
    with pytest.raises(BotDoesNotExist):
        Bot.load(name="Test Bot", bot_dir=tmp_path)


def test_bot_already_exists(tmp_path: Path) -> None:
    bot_name = "Test Bot"

    Bot.create(
        name=bot_name,
        bot_dir=tmp_path,
    )

    with pytest.raises(BotExists):
        Bot.create(
            name="Test Bot",
            bot_dir=tmp_path,
        )