import json
import time
from urllib import request
import pandas as pd
import os
import dotenv
# loads .env file with your OPENAI_API_KEY
dotenv.load_dotenv()


def query_document_fund_mapping(doc_id, rerun=True, output_folder=r"/data/emea_ar/output/mapping/document/"):
    count = 1
    while True:
        try:
            document_mapping_info_df = pd.DataFrame()
            if rerun is False and output_folder is not None and len(output_folder) > 0 and os.path.exists(output_folder):
                output_file = os.path.join(output_folder, f"{doc_id}.xlsx")
                if os.path.exists(output_file):
                    document_mapping_info_df = pd.read_excel(output_file)
            if len(document_mapping_info_df) == 0:
                document_mapping_info_df = query_data_by_biz_type(
                    biztype="getFundInfoByDocId", para=doc_id, return_df=True
                ).drop_duplicates()
                if len(document_mapping_info_df) == 0:
                    return document_mapping_info_df
                document_mapping_info_df = document_mapping_info_df.sort_values(
                    by=["FundName", "ShareClassName"]
                ).reset_index(drop=True)
                if output_folder is not None and len(output_folder) > 0:
                    os.makedirs(output_folder, exist_ok=True)
                    output_file = os.path.join(output_folder, f"{doc_id}.xlsx")
                    with pd.ExcelWriter(output_file) as writer:
                        document_mapping_info_df.to_excel(writer, index=False)
            return document_mapping_info_df
        except Exception as e:
            print(e)
            time.sleep(3)
            if count == 5:
                break
            count += 1


def query_investment_by_provider(company_id: str, rerun=True, output_folder=r"/data/emea_ar/output/mapping/provider/"):
    count = 1
    while True:
        try:
            investment_by_provider_df = pd.DataFrame()
            if rerun is False and output_folder is not None and len(output_folder) > 0 and os.path.exists(output_folder):
                output_file = os.path.join(output_folder, f"{company_id}.xlsx")
                if os.path.exists(output_file):
                    investment_by_provider_df = pd.read_excel(output_file)
            if len(investment_by_provider_df) == 0:
                investment_by_provider_df = query_data_by_biz_type(biztype='getInvestmentByProvider',
                                                                para=company_id,
                                                                return_df=True).drop_duplicates()
                if len(investment_by_provider_df) == 0:
                    return investment_by_provider_df
                investment_by_provider_df = investment_by_provider_df \
                    .sort_values(by=['FundName', 'ShareClassName']) \
                    .reset_index(drop=True)
                if output_folder is not None and len(output_folder) > 0:
                    os.makedirs(output_folder, exist_ok=True)
                    output_file = os.path.join(output_folder, f"{company_id}.xlsx")
                    with pd.ExcelWriter(output_file) as writer:
                        investment_by_provider_df.to_excel(writer, index=False)
            return investment_by_provider_df
        except Exception as e:
            print(e)
            time.sleep(3)
            if count == 5:
                break
            count += 1


def query_data_by_biz_type(biztype: str, para, return_df: bool):
    sqlpass_url = "https://api.morningstar.com/sqlpassapi/v1/sql"
    url = sqlpass_url + "?sqlName={0}&params={1}".format(biztype, str(para))
    headers = {"ApiKey": os.getenv("SQL_PASS_KEY")}
    if return_df:
        return pd.DataFrame(query_data_by_url(url, headers))
    else:
        return query_data_by_url(url, headers)


def query_data_by_url(url, headers):
    res = None
    count = 1
    while True:
        try:
            req = request.Request(url=url, headers=headers)
            res = request.urlopen(req)
            res = res.read().decode(encoding="utf-8", errors="ignore")
            break
        except Exception as e:
            print(e)
            time.sleep(3)
            if count == 5:
                break
        count += 1
    if res is not None:
        dic = json.loads(res)
        return dic["result"]
    else:
        return None