import random
import os
import argparse
import time
from datetime import datetime
from tqdm import tqdm
from transformers import AutoTokenizer
import logging
import json
from openai import OpenAI

from eval_tools import apply_RL_prompt, solve_final_answer
from evaluate import evaluate
from utils import set_seed, load_jsonl, save_jsonl, construct_prompt
from parser import *
from trajectory import *
from data_loader import load_data
from python_executor import PythonExecutor

# Initialize OpenAI client
client = OpenAI(
    base_url='https://api.apikey.vip/v1',
    api_key='sk-SZvcdq0lrEx3uqgYEs2QuxJ5Eft7ANYK5JPEjHSVAOJHGEzV'
)

## Setup logging
if not os.path.exists(f'{os.environ["modelname"]}'):
    os.mkdir(f'{os.environ["modelname"]}')
if not os.path.exists(f'{os.environ["model"]}'):
    os.mkdir(f'{os.environ["model"]}')

DATA_NAME = os.environ["DATA_NAME"]
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
                    datefmt='%Y-%m-%d %H:%M:%S', filename=f'{os.environ["model"]}/{os.environ["mode"]}-{DATA_NAME}.log', filemode='a')
print(f"logging in {os.environ['model']}/{os.environ['mode']}-{DATA_NAME}.log")

logging.info(f"modelname's infor:  {os.environ['modelname']}")
logging.info(f"mode's infor:  {os.environ['mode']}")
logging.info(f"model's infor:  {os.environ['model']}")

with open('./special_tokens.json') as f:
    special_tokens = json.load(f)

bins_tokens = [
    special_tokens[f"{i}"] for i in range(400)
]

def clean_code(code):
    for bin_token in bins_tokens:
        if bin_token in code:
            code = code.replace(bin_token, "")
    return code

def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument("--ratio", type=float, default=-1, help="ratio of cot to use for generation")
    parser.add_argument("--data_names", default="math", type=str)
    parser.add_argument("--data_dir", default="./data", type=str)
    parser.add_argument("--model_name_or_path", default="Qwen/QwQ-32B-Preview", type=str)
    parser.add_argument("--output_dir", default="Qwen/QwQ-32B-Preview/math_eval", type=str)
    parser.add_argument("--prompt_type", default="qwen25-math-cot", type=str)
    parser.add_argument("--split", default="test", type=str)
    parser.add_argument("--num_test_sample", default=-1, type=int)  # -1 for full data
    parser.add_argument("--seed", default=0, type=int)
    parser.add_argument("--start", default=0, type=int)
    parser.add_argument("--end", default=-1, type=int)
    parser.add_argument("--temperature", default=0, type=float)
    parser.add_argument("--n_sampling", default=1, type=int)
    parser.add_argument("--top_p", default=1, type=float)
    parser.add_argument("--max_tokens_per_call", default=4096, type=int)
    parser.add_argument("--shuffle", action="store_true")
    parser.add_argument("--use_vllm", action="store_true")
    parser.add_argument("--save_outputs", action="store_true")
    parser.add_argument("--overwrite", action="store_true")
    parser.add_argument("--use_safetensors", action="store_true")
    parser.add_argument("--num_shots", type=int, default=0)
    parser.add_argument("--apply_chat_template", action="store_true", help="Apply chat template to prompt.",)
    parser.add_argument("--pipeline_parallel_size", type=int, default=1)
    parser.add_argument("--adapt_few_shot", action="store_true", help="Few shot for multiple-choice questions, zero shot for others.",)
    args = parser.parse_args()
    args.top_p = (1 if args.temperature == 0 else args.top_p)
    return args

def set_output_path(args, data_name):
    model_name_list = args.model_name_or_path.split('/')[-1]
    model_name = model_name_list
    for part in model_name_list:
        if 'models' in part:
            model_name = part
    
    output_dir = os.path.join(args.output_dir, model_name, args.prompt_type)
    out_file_prefix = f"{args.split}_{args.prompt_type}_{args.num_test_sample}_seed{args.seed}_t{args.temperature}"
    out_file = f"{output_dir}/{data_name}/{out_file_prefix}_s{args.start}_e{args.end}_b{int(args.max_tokens_per_call)}_original.jsonl"
    print(out_file)
    os.makedirs(f"{output_dir}/{data_name}", exist_ok=True)
    return out_file_prefix, output_dir, out_file

def prepare_data(data_name, args):
    examples = load_data(data_name, args.split, args.data_dir)

    if args.num_test_sample > 0:
        examples = examples[: args.num_test_sample]

    if args.shuffle:
        random.seed(datetime.now().timestamp())
        random.shuffle(examples)

    examples = examples[args.start : len(examples) if args.end == -1 else args.end]

    dt_string = datetime.now().strftime("%m-%d_%H-%M")
    model_name = "/".join(args.model_name_or_path.split("/")[-2:])
    
    out_file_prefix, output_dir, out_file = set_output_path(args, data_name)

    processed_samples = []
    if not args.overwrite:
        processed_files = [
            f
            for f in os.listdir(f"{output_dir}/{data_name}/")
            if f.endswith(".jsonl") and f.startswith(out_file_prefix)
        ]
        for f in processed_files:
            processed_samples.extend(
                list(load_jsonl(f"{output_dir}/{data_name}/{f}"))
    )

    processed_samples = {sample["idx"]: sample for sample in processed_samples}
    processed_idxs = list(processed_samples.keys())
    processed_samples = list(processed_samples.values())
    examples = [example for example in examples if example["idx"] not in processed_idxs]
    return examples, processed_samples, out_file

def is_multi_choice(answer):
    for c in answer:
        if c not in ["A", "B", "C", "D", "E"]:
            return False
    return True

def get_api_response(prompt, max_tokens=4096, temperature=0.5):
    try:
        prompt = prompt.replace("<｜User｜>", "")
        prompt = prompt.replace("<｜Assistant｜>", "")
        print("API call:", prompt)
        completion = client.chat.completions.create(
            messages=[
                {
                    "role": "user",
                    "content": "who are you",
                    # "content": prompt,
                }
            ],
            model="o1-mini",
            timeout=200,
            temperature=temperature,
            max_tokens=max_tokens,
        )
        print("API completion:", completion)  # 打印完整的返回内容
        answer = completion.choices[0].message.content
        print("API response:", answer)
        return answer
    except Exception as e:
        print(f"Error in API call: {e}")
        return ""

def main(llm, tokenizer, data_name, args):
    examples, processed_samples, out_file = prepare_data(data_name, args)
    print(examples[0])
    print("\n" + "-" * 50)
    print("data:", data_name, ", remain samples:", len(examples))
    if len(examples) > 0:
        print(examples[0])

    # init python executor
    if "pal" in args.prompt_type:
        executor = PythonExecutor(get_answer_expr="solution()")
    else:
        executor = PythonExecutor(get_answer_from_stdout=True)

    # load done samples
    if args.ratio > 0:
        done_samples_path = out_file.replace("_r" + str(args.ratio), "")
        done_samples = list(load_jsonl(done_samples_path))
    else:
        done_samples = []
    done_samples = {sample["idx"]: sample for sample in done_samples}
    
    samples = []
    print("\nProcessing", len(examples), "examples", "=" * 50)
    for example in tqdm(examples, total=len(examples)):
        idx = example["idx"]

        # parse question and answer
        example["question"] = parse_question(example, data_name)
        if example["question"] == "":
            continue
        gt_cot, gt_ans = parse_ground_truth(example, data_name)
        example["gt_ans"] = gt_ans
        full_prompt = construct_prompt(example, data_name, args)
        
        if args.ratio > 0:
            done_cot = done_samples[idx]["code"][0]
            cut_cot = done_cot[:int(len(done_cot)*args.ratio)]
            full_prompt = full_prompt + cut_cot + "\n\nFinal answer within \\boxed{{}}:\n"

        if idx == args.start:
            print(full_prompt)

        sample = {
            "idx": idx,
            "question": example["question"],
            "gt_cot": gt_cot,
            "gt": gt_ans,
            "prompt": full_prompt,
        }

        # add remain fields
        for key in [
            "level",
            "type",
            "unit",
            "solution_type",
            "choices",
            "solution",
            "ques_type",
            "ans_type",
            "answer_type",
            "dataset",
            "subfield",
            "filed",
            "theorem",
            "answer",
        ]:
            if key in example:
                sample[key] = example[key]
        samples.append(sample)

    # repeat n times
    input_prompts = [sample["prompt"] for sample in samples for _ in range(args.n_sampling)]
    input_prompts = apply_RL_prompt(input_prompts, args, budget=args.max_tokens_per_call)
    
    if args.apply_chat_template:
        tokenizer = AutoTokenizer.from_pretrained(
            args.model_name_or_path, trust_remote_code=True, max_length=16000,
        )
        input_prompts = [
            tokenizer.apply_chat_template(
                [{"role": "user", "content": prompt.strip()}],
                tokenize=False,
                add_generation_prompt=True,
            )
            for prompt in input_prompts
        ]
    
    remain_prompts = input_prompts
    remain_prompts = [(i, prompt) for i, prompt in enumerate(remain_prompts)]
    end_prompts = []

    max_func_call = 1 if args.prompt_type in ["cot", "pal", "qwen25-math-cot"] else 4

    stop_words = ["</s>", "<|im_end|>", "<|endoftext|>"]

    if args.prompt_type in ["cot"]:
        stop_words.append("\n\nQuestion:")
    if args.prompt_type in ["pal", "tool-integrated", "jiuzhang_tora"]:
        stop_words.extend(["\n\n---", "```output"])
    elif args.prompt_type in ["wizard_zs", "platypus_fs"]:
        stop_words.extend(["Instruction", "Response"])
    elif "jiuzhang" in args.prompt_type:
        stop_words.append("\n\n## Question")
    elif "numina" in args.prompt_type:
        stop_words.append("\n### Problem")
    elif "pure" in args.prompt_type:
        stop_words.append("\n\n\n")

    # start inference
    start_time = time.time()
    print(f"start_time: {start_time}")
    for epoch in range(max_func_call):
        print("-" * 20, "Epoch", epoch)
        current_prompts = remain_prompts
        if len(current_prompts) == 0:
            break

        prompts = [item[1] for item in current_prompts]
        
        # Call API for each prompt
        outputs = []
        for prompt in tqdm(prompts, desc="Calling API"):
            response = get_api_response(prompt, max_tokens=args.max_tokens_per_call, temperature=args.temperature)
            outputs.append(response)
        
        print('stage one finished!!!\n' * 20)
        print(outputs[:3])
        
        if os.environ['stage'] == "2":
            print("stage 2")
            modified_outputs = []
            for output in outputs:
                if "" in output:
                    start_index = output.index("")
                    output = output[:start_index]
                modified_output = output + "\n</think>\n\n**Final Answer**\\boxed"
                modified_outputs.append(modified_output)
            
            # Call API again for stage 2
            stage2_outputs = []
            for prompt in tqdm(modified_outputs, desc="Stage 2 API calls"):
                response = get_api_response(prompt, max_tokens=20, temperature=args.temperature)
                stage2_outputs.append(response)
            
            outputs = stage2_outputs

        assert len(outputs) == len(current_prompts)
        
        # process all outputs
        remain_prompts = []
        remain_codes = []
        for (i, query), output in zip(current_prompts, outputs):
            output = output.rstrip()
            query += output
            if args.prompt_type == "pal":
                remain_prompts.append((i, query))
                if "```python" in output:
                    output = extract_program(query)
                remain_codes.append(output)
            elif args.prompt_type == "cot":
                end_prompts.append((i, query))
            elif "boxed" not in output and output.endswith("```"):
                program = extract_program(query)
                remain_prompts.append((i, query))
                remain_codes.append(program)
            else:
                end_prompts.append((i, query))

        # execute the remain prompts
        remain_results = executor.batch_apply(remain_codes)
        for k in range(len(remain_prompts)):
            i, query = remain_prompts[k]
            res, report = remain_results[k]
            exec_result = res if res else report
            if "pal" in args.prompt_type:
                exec_result = "\\boxed{" + exec_result + "}"
            exec_result = f"\n```output\n{exec_result}\n```\n"
            query += exec_result
            if epoch == max_func_call - 1:
                query += "\nReach max function call limit."
            remain_prompts[k] = (i, query)

    # unsolved samples
    print("Unsolved samples:", len(remain_prompts))
    end_prompts.extend(remain_prompts)
    end_prompts = sorted(end_prompts, key=lambda x: x[0])

    # remove input_prompt from end_prompt
    codes = []
    assert len(input_prompts) == len(end_prompts)
    for i in range(len(input_prompts)):
        _, end_prompt = end_prompts[i]
        code = end_prompt.split(input_prompts[i])[-1].strip()
        for stop_word in stop_words:
            if stop_word in code:
                code = code.split(stop_word)[0].strip()
        if args.prompt_type == "deepseek3":
            if '```' in code:
                code = code.split("```")[1]
        codes.append(code)
        
    results = [
        run_execute(executor, clean_code(code), args.prompt_type, data_name) for code in codes
    ]
    time_use = time.time() - start_time

    # put results back to examples
    all_samples = []
    for i, sample in enumerate(samples):
        code = codes[i * args.n_sampling : (i + 1) * args.n_sampling]
        result = results[i * args.n_sampling : (i + 1) * args.n_sampling]
        preds = [item[0] for item in result]
        reports = [item[1] for item in result]
        for j in range(len(preds)):
            if sample["gt"] in ["A", "B", "C", "D", "E"] and preds[j] not in [
                "A",
                "B",
                "C",
                "D",
                "E",
            ]:
                preds[j] = choice_answer_clean(code[j])
            elif is_multi_choice(sample["gt"]) and not is_multi_choice(preds[j]):
                preds[j] = "".join(
                    [c for c in preds[j] if c in ["A", "B", "C", "D", "E"]]
                )

        sample.update({"code": code, "pred": preds, "report": reports})
        all_samples.append(sample)

    # add processed samples
    all_samples.extend(processed_samples)
    all_samples, result_json = evaluate(
        samples=all_samples,
        data_name=data_name,
        prompt_type=args.prompt_type,
        execute=True,
    )

    # save outputs
    if len(processed_samples) < len(all_samples) and args.save_outputs:
        save_jsonl(all_samples, out_file)

    result_json["time_use_in_second"] = time_use
    result_json["time_use_in_minite"] = (
        f"{int(time_use // 60)}:{int(time_use % 60):02d}"
    )

    with open(
        out_file.replace(".jsonl", "_metrics.json"), "w"
    ) as f:
        json.dump(result_json, f, indent=4)
    return result_json

def setup(args):
    tokenizer = None
    if args.apply_chat_template:
        tokenizer = AutoTokenizer.from_pretrained(
            args.model_name_or_path, trust_remote_code=True, max_length=16000,
        )

    # infer & eval
    data_list = args.data_names.split(",")
    results = []
    for data_name in data_list:
        results.append(main(None, tokenizer, data_name, args))

    # add "avg" result
    data_list.append("avg")
    results.append(
        {
            "acc": sum([result["acc"] for result in results]) / len(results),
        }
    )

    # print all results
    pad = max([len(data_name) for data_name in data_list])
    print("\t".join(data_name.ljust(pad, " ") for data_name in data_list))
    print("\t".join([f"{result['acc']:.1f}".ljust(pad, " ") for result in results]))
 
    logging.info("\t".join(data_name.ljust(pad, " ") for data_name in data_list))
    logging.info(f"os.environ['PE_MODE'] = {os.environ['PE_MODE']}")
    logging.info(f"path = {args.model_name_or_path}")
    logging.info(f"tip = {os.environ['tip']}")
    logging.info(f"BUDGET = {os.environ['BUDGET']}")
    logging.info("\t".join([f"{result['acc']:.1f}".ljust(pad, " ") for result in results]))

if __name__ == "__main__":
    args = parse_args()
    set_seed(args.seed)
    setup(args)