"""
KTO strategies for custom chat template
"""
# pylint: disable=duplicate-code
def argilla(
    cfg,
    **kwargs,
):  # pylint: disable=possibly-unused-variable,unused-argument
    def transform_fn(sample):
        if "system" in sample and sample["system"]:
            sample["prompt"] = (
                f"<s>[SYSTEM_PROMPT]{sample['system']}[/SYSTEM_PROMPT][INST]{sample['instruction']}[/INST]"
            )
        else:
            sample["prompt"] = (
                f"<s>[INST]{sample['instruction']}[/INST]"
            )
        sample["completion"] = f"{sample['completion']}</s>"
        return sample
    return transform_fn

def argilla_chat(
    cfg,
    **kwargs,
):  # pylint: disable=possibly-unused-variable,unused-argument
    """
    for argilla/kto-mix-15k conversations
    """
    def transform_fn(sample):
        # Assuming sample['completion'] is a list of dicts like [{"role": "user", "content": "..."}]
        # This function is simplified, you might need more complex logic for multi-turn
        user_message = next((msg['content'] for msg in sample['completion'] if msg.get('role') == 'user'), '')
        assistant_response = next((msg['content'] for msg in sample['completion'] if msg.get('role') == 'assistant'), '')

        sample["prompt"] = (
            f"<s>[INST]{user_message}[/INST]"
        )
        sample["completion"] = f"{assistant_response}</s>"
        return sample
    return transform_fn

def intel(cfg, **kwargs):  # pylint: disable=possibly-unused-variable,unused-argument
    """
    For Intel Orca KTO
    ex: argilla/distilabel-intel-orca-kto
    """
    def transform_fn(sample):
        if "system" in sample and sample["system"]:
            sample["prompt"] = (
                f"<s>[SYSTEM_PROMPT]{sample['system']}[/SYSTEM_PROMPT][INST]{sample['question']}[/INST]"
            )
        else:
            sample["prompt"] = (
                f"<s>[INST]{sample['question']}[/INST]"
            )
        sample["completion"] = f"{sample['completion']}</s>"
        return sample
    return transform_fn

def prompt_pairs(
    cfg, **kwargs
):  # pylint: disable=possibly-unused-variable,unused-argument
    def transform_fn(sample):
        if "system" in sample and sample["system"]:
            sample["prompt"] = (
                f"<s>[SYSTEM_PROMPT]{sample['system']}[/SYSTEM_PROMPT][INST]{sample['prompt']}[/INST]"
            )
        else:
            sample["prompt"] = (
                f"<s>[INST]{sample['prompt']}[/INST]"
            )
        sample["completion"] = f"{sample['completion']}</s>"
        return sample
    return transform_fn

def ultra(cfg, **kwargs):  # pylint: disable=possibly-unused-variable,unused-argument
    """
    for ultrafeedback binarized conversations
    ex: argilla/ultrafeedback-binarized-preferences-cleaned-kto
    """
    def transform_fn(sample):
        if "system" in sample and sample["system"]:
            sample["prompt"] = (
                f"<s>[SYSTEM_PROMPT]{sample['system']}[/SYSTEM_PROMPT][INST]{sample['prompt']}[/INST]"
            )
        else:
            sample["prompt"] = (
                f"<s>[INST]{sample['prompt']}[/INST]"
            )
        sample["completion"] = f"{sample['completion']}</s>"
        return sample
    return transform_fn