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# SPDX-License-Identifier: Apache-2.0
#
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# http://www.apache.org/licenses/LICENSE-2.0
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"""Module test_exaone test exaone examples."""

import pytest
from defs.common import (convert_weights, generate_summary_cmd, venv_check_call,
                         venv_mpi_check_call)
from defs.conftest import skip_post_blackwell
from defs.trt_test_alternative import check_call


@pytest.mark.parametrize("num_beams", [1, 2, 4],
                         ids=lambda num_beams: f'nb:{num_beams}')
@pytest.mark.parametrize("data_type", ['bfloat16', 'float16'])
@pytest.mark.parametrize("llm_exaone_model_root",
                         ['exaone_3.0_7.8b_instruct', 'exaone_deep_2.4b'],
                         indirect=True)
@pytest.mark.parametrize("use_weight_only",
                         [pytest.param(True, marks=skip_post_blackwell), False],
                         ids=["enable_weight_only", "disable_weight_only"])
def test_llm_exaone_1gpu(data_type, exaone_example_root, llm_exaone_model_root,
                         llama_example_root, llm_datasets_root, llm_rouge_root,
                         llm_venv, cmodel_dir, engine_dir, num_beams,
                         use_weight_only):

    print("Build engines...")
    model_name = "exaone"
    model_dir = convert_weights(
        llm_venv=llm_venv,
        # NOTE
        # EXAONE is based on llama so reuse llama's checkpoint converter
        example_root=llama_example_root,
        cmodel_dir=cmodel_dir,
        model=model_name,
        model_path=llm_exaone_model_root,
        data_type=data_type,
        use_weight_only=use_weight_only)

    build_cmd = [
        "trtllm-build",
        f"--checkpoint_dir={model_dir}",
        f"--output_dir={engine_dir}",
        f"--max_beam_width={num_beams}",
    ]
    check_call(" ".join(build_cmd), shell=True, env=llm_venv._new_env)

    rouge1_threshold = {
        1: 22,
        2: 22,
        4: 23,
    }[num_beams]

    print("Run summarize...")
    summary_cmd = generate_summary_cmd(
        exaone_example_root,
        hf_model_dir=llm_exaone_model_root,
        engine_dir=engine_dir,
        data_type=data_type,
        tensorrt_llm_rouge1_threshold=rouge1_threshold,
        use_py_session=False,
        dataset_dir=llm_datasets_root,
        rouge_dir=llm_rouge_root,
        num_beams=num_beams,
    )

    venv_check_call(llm_venv, summary_cmd)


@pytest.mark.skip_less_device(2)
@pytest.mark.parametrize("num_beams", [1],
                         ids=lambda num_beams: f'nb:{num_beams}')
@pytest.mark.parametrize("data_type", ['float16'])
@pytest.mark.parametrize("llm_exaone_model_root",
                         ['exaone_3.0_7.8b_instruct', 'exaone_deep_2.4b'],
                         indirect=True)
def test_llm_exaone_2gpu(data_type, exaone_example_root, llm_exaone_model_root,
                         llama_example_root, llm_datasets_root, llm_rouge_root,
                         llm_venv, cmodel_dir, engine_dir, num_beams):

    tp_size = 2
    print("Build engines...")
    model_name = "exaone"
    model_dir = convert_weights(
        llm_venv=llm_venv,
        # NOTE
        # EXAONE is based on llama so reuse llama's checkpoint converter
        example_root=llama_example_root,
        cmodel_dir=cmodel_dir,
        model=model_name,
        model_path=llm_exaone_model_root,
        data_type=data_type,
        tp_size=tp_size,
        pp_size=1)

    build_cmd = [
        "trtllm-build", f"--checkpoint_dir={model_dir}",
        f"--output_dir={engine_dir}", f"--max_beam_width={num_beams}"
    ]
    check_call(" ".join(build_cmd), shell=True, env=llm_venv._new_env)

    print("Run summarize...")
    summary_cmd = generate_summary_cmd(
        exaone_example_root,
        hf_model_dir=llm_exaone_model_root,
        engine_dir=engine_dir,
        data_type=data_type,
        tensorrt_llm_rouge1_threshold=22,
        use_py_session=False,
        dataset_dir=llm_datasets_root,
        rouge_dir=llm_rouge_root,
        num_beams=num_beams,
    )

    venv_mpi_check_call(llm_venv,
                        ["mpirun", "-n", f"{tp_size}", "--allow-run-as-root"],
                        summary_cmd)