"""Test Fireworks AI API Wrapper."""
from typing import Generator

import pytest
from langchain_core.outputs import LLMResult

from langchain_community.llms.fireworks import Fireworks


@pytest.fixture
def llm() -> Fireworks:
    return Fireworks(model_kwargs={"temperature": 0, "max_tokens": 512})


@pytest.mark.scheduled
def test_fireworks_call(llm: Fireworks) -> None:
    """Test valid call to fireworks."""
    output = llm("How is the weather in New York today?")
    assert isinstance(output, str)


@pytest.mark.scheduled
def test_fireworks_model_param() -> None:
    """Tests model parameters for Fireworks"""
    llm = Fireworks(model="foo")
    assert llm.model == "foo"


@pytest.mark.scheduled
def test_fireworks_invoke(llm: Fireworks) -> None:
    """Tests completion with invoke"""
    output = llm.invoke("How is the weather in New York today?", stop=[","])
    assert isinstance(output, str)
    assert output[-1] == ","


@pytest.mark.scheduled
async def test_fireworks_ainvoke(llm: Fireworks) -> None:
    """Tests completion with invoke"""
    output = await llm.ainvoke("How is the weather in New York today?", stop=[","])
    assert isinstance(output, str)
    assert output[-1] == ","


@pytest.mark.scheduled
def test_fireworks_batch(llm: Fireworks) -> None:
    """Tests completion with invoke"""
    llm = Fireworks()
    output = llm.batch(
        [
            "How is the weather in New York today?",
            "How is the weather in New York today?",
        ],
        stop=[","],
    )
    for token in output:
        assert isinstance(token, str)
        assert token[-1] == ","


@pytest.mark.scheduled
async def test_fireworks_abatch(llm: Fireworks) -> None:
    """Tests completion with invoke"""
    output = await llm.abatch(
        [
            "How is the weather in New York today?",
            "How is the weather in New York today?",
        ],
        stop=[","],
    )
    for token in output:
        assert isinstance(token, str)
        assert token[-1] == ","


@pytest.mark.scheduled
def test_fireworks_multiple_prompts(
    llm: Fireworks,
) -> None:
    """Test completion with multiple prompts."""
    output = llm.generate(["How is the weather in New York today?", "I'm pickle rick"])
    assert isinstance(output, LLMResult)
    assert isinstance(output.generations, list)
    assert len(output.generations) == 2


@pytest.mark.scheduled
def test_fireworks_streaming(llm: Fireworks) -> None:
    """Test stream completion."""
    generator = llm.stream("Who's the best quarterback in the NFL?")
    assert isinstance(generator, Generator)

    for token in generator:
        assert isinstance(token, str)


@pytest.mark.scheduled
def test_fireworks_streaming_stop_words(llm: Fireworks) -> None:
    """Test stream completion with stop words."""
    generator = llm.stream("Who's the best quarterback in the NFL?", stop=[","])
    assert isinstance(generator, Generator)

    last_token = ""
    for token in generator:
        last_token = token
        assert isinstance(token, str)
    assert last_token[-1] == ","


@pytest.mark.scheduled
async def test_fireworks_streaming_async(llm: Fireworks) -> None:
    """Test stream completion."""

    last_token = ""
    async for token in llm.astream(
        "Who's the best quarterback in the NFL?", stop=[","]
    ):
        last_token = token
        assert isinstance(token, str)
    assert last_token[-1] == ","


@pytest.mark.scheduled
async def test_fireworks_async_agenerate(llm: Fireworks) -> None:
    """Test async."""
    output = await llm.agenerate(["What is the best city to live in California?"])
    assert isinstance(output, LLMResult)


@pytest.mark.scheduled
async def test_fireworks_multiple_prompts_async_agenerate(llm: Fireworks) -> None:
    output = await llm.agenerate(
        ["How is the weather in New York today?", "I'm pickle rick"]
    )
    assert isinstance(output, LLMResult)
    assert isinstance(output.generations, list)
    assert len(output.generations) == 2