import pytest

from embedchain.config import BaseLlmConfig
from embedchain.llm.mistralai import MistralAILlm


@pytest.fixture
def mistralai_llm_config(monkeypatch):
    monkeypatch.setenv("MISTRAL_API_KEY", "fake_api_key")
    yield BaseLlmConfig(model="mistral-tiny", max_tokens=100, temperature=0.7, top_p=0.5, stream=False)
    monkeypatch.delenv("MISTRAL_API_KEY", raising=False)


def test_mistralai_llm_init_missing_api_key(monkeypatch):
    monkeypatch.delenv("MISTRAL_API_KEY", raising=False)
    with pytest.raises(ValueError, match="Please set the MISTRAL_API_KEY environment variable."):
        MistralAILlm()


def test_mistralai_llm_init(monkeypatch):
    monkeypatch.setenv("MISTRAL_API_KEY", "fake_api_key")
    llm = MistralAILlm()
    assert llm is not None


def test_get_llm_model_answer(monkeypatch, mistralai_llm_config):
    def mock_get_answer(prompt, config):
        return "Generated Text"

    monkeypatch.setattr(MistralAILlm, "_get_answer", mock_get_answer)
    llm = MistralAILlm(config=mistralai_llm_config)
    result = llm.get_llm_model_answer("test prompt")

    assert result == "Generated Text"


def test_get_llm_model_answer_with_system_prompt(monkeypatch, mistralai_llm_config):
    mistralai_llm_config.system_prompt = "Test system prompt"
    monkeypatch.setattr(MistralAILlm, "_get_answer", lambda prompt, config: "Generated Text")
    llm = MistralAILlm(config=mistralai_llm_config)
    result = llm.get_llm_model_answer("test prompt")

    assert result == "Generated Text"


def test_get_llm_model_answer_empty_prompt(monkeypatch, mistralai_llm_config):
    monkeypatch.setattr(MistralAILlm, "_get_answer", lambda prompt, config: "Generated Text")
    llm = MistralAILlm(config=mistralai_llm_config)
    result = llm.get_llm_model_answer("")

    assert result == "Generated Text"


def test_get_llm_model_answer_without_system_prompt(monkeypatch, mistralai_llm_config):
    mistralai_llm_config.system_prompt = None
    monkeypatch.setattr(MistralAILlm, "_get_answer", lambda prompt, config: "Generated Text")
    llm = MistralAILlm(config=mistralai_llm_config)
    result = llm.get_llm_model_answer("test prompt")

    assert result == "Generated Text"