import os
from utils.paper_retriever import RetrieverFactory
from utils.llms_api import APIHelper
from utils.paper_client import PaperClient
from utils.header import ConfigReader
from omegaconf import OmegaConf
import click
import json
from loguru import logger
import warnings

warnings.filterwarnings("ignore")


@click.group()
@click.pass_context
def main(ctx):
    """
    Evaluate Retriever SN/KG/SNKG
    """
    print("Mode:", ctx.invoked_subcommand)


@main.command()
@click.option(
    "-c",
    "--config-path",
    default="../configs/datasets.yaml",
    type=click.File(),
    required=True,
    help="Dataset configuration file in YAML",
)
@click.option(
    "--ids-path",
    default="assets/data/test_acl_2024.json",
    type=click.File(),
    required=True,
    help="Dataset configuration file in YAML",
)
@click.option(
    "-r",
    "--retriever-name",
    default="SNKG",
    type=str,
    required=True,
    help="Retrieve method",
)
@click.option(
    "--co-cite",
    is_flag=True,
    help="Whether to use co-citation, defaults to False",
)
@click.option(
    "--cluster-to-filter",
    is_flag=True,
    help="Whether to use cluster-to-filter, defaults to False",
)
@click.option(
    "--llms-api",
    default=None,
    type=str,
    required=False,
    help="The LLMS API alias used. If you do not have separate APIs for summarization and generation, you can use this unified setting. This option is ignored when setting the API to be used by summarization and generation separately",
)
@click.option(
    "--sum-api",
    default=None,
    type=str,
    required=False,
    help="The LLMS API aliases used for summarization. When used, it will invalidate --llms-api",
)
@click.option(
    "--gen-api",
    default=None,
    type=str,
    required=False,
    help="The LLMS API aliases used for generation. When used, it will invalidate --llms-api",
)
def retrieve(
    config_path, ids_path, retriever_name, co_cite, cluster_to_filter, **kwargs
):
    config = ConfigReader.load(config_path, **kwargs)
    log_dir = config.DEFAULT.log_dir
    if not os.path.exists(log_dir):
        os.makedirs(log_dir)
        print(f"Created log directory: {log_dir}")
    log_file = os.path.join(
        log_dir,
        "retriever_eval_{}_cocite-{}_cluster-{}.log".format(
            retriever_name, co_cite, cluster_to_filter
        ),
    )
    logger.add(log_file, level=config.DEFAULT.log_level)
    logger.info("\nretrieve name : {}".format(retriever_name))
    logger.info("Loaded configuration:\n{}".format(OmegaConf.to_yaml(config)))
    api_helper = APIHelper(config)
    paper_client = PaperClient(config)
    precision = 0
    filtered_precision = 0
    recall = 0
    filtered_recall = 0
    num = 0
    gt_reference_num = 0
    retrieve_paper_num = 0
    label_num = 0
    top_k_precision = {p: 0 for p in config.RETRIEVE.top_k_list}
    top_k_recall = {p: 0 for p in config.RETRIEVE.top_k_list}
    # Init Retriever
    rt = RetrieverFactory.get_retriever_factory().create_retriever(
        retriever_name,
        config,
        use_cocite=co_cite,
        use_cluster_to_filter=cluster_to_filter,
    )
    for line in ids_path:
        paper = json.loads(line)
        logger.info("\nbegin generate paper hash id {}".format(paper["hash_id"]))
        # 1. Get Background
        paper = paper_client.get_paper_by_id(paper["hash_id"])
        if "motivation" in paper.keys():
            bg = paper["motivation"]
        else:
            logger.error(f"paper hash_id {paper['hash_id']} doesn't have background...")
            continue
        if "entities" in paper.keys():
            entities = paper["entities"]
        else:
            entities = api_helper.generate_entity_list(bg)
        logger.info("origin entities from background: {}".format(entities))
        cite_type = config.RETRIEVE.cite_type
        if cite_type in paper and len(paper[cite_type]) >= 5:
            target_paper_id_list = paper[cite_type]
        else:
            logger.warning(
                "hash_id {} cite paper num less than 5 ...".format(paper["hash_id"])
            )
            continue
        # 2. Retrieve
        result = rt.retrieve(
            bg, entities, need_evaluate=True, target_paper_id_list=target_paper_id_list
        )
        filtered_precision += result["filtered_precision"]
        precision += result["precision"]
        filtered_recall += result["filtered_recall"]
        gt_reference_num += result["gt_reference_num"]
        retrieve_paper_num += result["retrieve_paper_num"]
        recall += result["recall"]
        label_num += result["label_num"]
        for k, v in result["top_k_matrix"].items():
            top_k_recall[k] += v["recall"]
            top_k_precision[k] += v["precision"]
        num += 1
        if num >= 100:
            break
        continue
    logger.info("=== Finish Report ===")
    logger.info(f"{'Test Paper Num:':<25} {num}")
    logger.info(f"{'Average Precision:':<25} {precision/num:.3f}")
    logger.info(f"{'Average Recall:':<25} {recall/num:.3f}")
    logger.info(f"{'Average GT Ref Paper Num:':<25} {gt_reference_num/num:.3f}")
    logger.info(f"{'Average Retrieve Paper Num:':<25} {retrieve_paper_num/num:.3f}")
    logger.info(f"{'Average Label Num:':<25} {label_num/num:.3f}")
    # Print Eval Result
    logger.info("=== Top-K Metrics ===")
    logger.info(
        f"=== USE_COCIT: {co_cite}, USE_CLUSTER_TO_FILTER: {cluster_to_filter} ==="
    )
    logger.info("| Top K  | Recall | Precision |")
    logger.info("|--------|--------|-----------|")
    for k in config.RETRIEVE.top_k_list:
        if k <= retrieve_paper_num / num:
            logger.info(
                f"| {k:<5} | {top_k_recall[k]/num:.3f}  | {top_k_precision[k]/num:.3f}    |"
            )
    logger.info("=" * 40)


if __name__ == "__main__":
    main()