import regex

from data_processing.answer_extraction import extract_math_answer, strip_string


def process_gsm8k_test(item):
    sample = {
        "dataset": "gsm8k-cot",
        "id": item["id"],
        "messages": [
            {"role": "user", "content": item["question"]},
            {
                "role": "assistant",
                "content": regex.sub(r"<<[^<>]*>>", "", item["cot"])
                + "\nSo the answer is $\\boxed{"
                + item["answer"].strip()
                + "}$.",
            },
        ],
        "answer": item["answer"].replace(",", ""),
    }
    yield sample


def process_math_test(item):
    question = item["problem"]
    try:
        answer = extract_math_answer(question, item["solution"], task="cot")
    except:
        return
    sample = {
        "dataset": "math-cot",
        "id": item["id"],
        "level": item["level"],
        "type": item["type"],
        "category": item["category"],
        "messages": [
            {"role": "user", "content": question},
            {
                "role": "assistant",
                "content": "\n".join(
                    regex.split(r"(?<=\.) (?=[A-Z])", item["solution"])
                ),
            },
        ],
        "answer": answer,
    }
    yield sample


def process_math_sat(item):
    options = item["options"].strip()
    assert "A" == options[0]
    options = "(" + options
    for ch in "BCDEFG":
        if f" {ch}) " in options:
            options = regex.sub(f" {ch}\) ", f" ({ch}) ", options)
    question = f"{item['question'].strip()}\nWhat of the following is the right choice? Explain your answer.\n{options.strip()}"
    messages = [
        {"role": "user", "content": question},
        {"role": "assistant", "content": item["Answer"]},
    ]
    item = {
        "dataset": "math_sat",
        "id": item["id"],
        "language": "en",
        "messages": messages,
        "answer": item["Answer"],
    }
    yield item


def process_ocwcourses(item):
    messages = [
        {"role": "user", "content": item["problem"].strip()},
        {"role": "assistant", "content": item["solution"].strip()},
    ]
    item = {
        "dataset": "OCWCourses",
        "id": item["id"],
        "language": "en",
        "messages": messages,
        "answer": item["answer"],
    }
    yield item


def process_mmlu_stem(item):
    options = item["options"]
    for i, (label, option) in enumerate(zip("ABCD", options)):
        options[i] = f"({label}) {str(option).strip()}"
    options = ", ".join(options)
    question = f"{item['question'].strip()}\nWhat of the following is the right choice? Explain your answer.\n{options}"
    messages = [
        {"role": "user", "content": question},
        {"role": "assistant", "content": item["answer"]},
    ]
    item = {
        "dataset": "MMLU-STEM",
        "id": item["id"],
        "language": "en",
        "messages": messages,
        "answer": item["answer"],
    }
    yield item


def process_mgsm_zh(item):
    item["answer"] = item["answer"].replace(",", "")
    yield item


def process_cmath(item):
    item = {
        "dataset": "cmath",
        "id": item["id"],
        "grade": item["grade"],
        "reasoning_step": item["reasoning_step"],
        "messages": [
            {"role": "user", "content": item["question"].strip()},
            {"role": "assistant", "content": ""},
        ],
        "answer": item["golden"].strip().replace(",", ""),
    }
    yield item


def process_agieval_gaokao_math_cloze(item):
    item = {
        "dataset": "agieval-gaokao-math-cloze",
        "id": item["id"],
        "messages": [
            {"role": "user", "content": item["question"].strip()},
            {"role": "assistant", "content": ""},
        ],
        "answer": [strip_string(ans) for ans in item["answer"].strip().split(";")],
    }
    yield item


def process_agieval_gaokao_mathqa(item):
    question = item["question"].strip()
    options = []
    for option in item["options"]:
        option = option.strip()
        assert option[0] == "("
        assert option[2] == ")"
        assert option[1] in "ABCD"
        option = f"{option[1]}: {option[3:].strip()}"
        options.append(option.strip())
    question = f"{question}\n{options}"
    item = {
        "dataset": "agieval-gaokao-mathqa",
        "id": item["id"],
        "messages": [
            {"role": "user", "content": question},
            {"role": "assistant", "content": ""},
        ],
        "answer": item["label"],
    }
    yield item


def process_agieval_gaokao_mathqa_few_shot_cot_test(item):
    question = item["question"].strip().rstrip("\\")
    options = " ".join([opt.strip() for opt in item["options"]])
    question = f"{question}\n从以下选项中选择:    {options}"
    item = {
        "dataset": "agieval-gaokao-mathqa",
        "id": item["id"],
        "messages": [
            {"role": "user", "content": question},
            {"role": "assistant", "content": ""},
        ],
        "answer": item["label"],
    }
    yield item


def process_minif2f_isabelle(item):
    question = f"(*### Problem\n\n{item['informal_statement'].strip()}\n\n### Solution\n\n{item['informal_proof'].strip()} *)\n\nFormal:\n{item['formal_statement'].strip()}"
    item = {
        "dataset": "minif2f-isabelle",
        "id": item["id"],
        "messages": [
            {"role": "user", "content": question},
            {"role": "assistant", "content": ""},
        ],
        "answer": "placeholder",
    }
    yield item