import pandas as pd
import ssl
from tqdm import tqdm
from data_loader.utils import deduplicate_indexes
from utils.resample import resample_ohlc

base_url = "https://www.cryptodatadownload.com/cdd/"

exchange_name = "Bitfinex"
period = "minute"  # 1h
files_to_download = [
    exchange_name + "_TRXUSD_" + period + ".csv",
    exchange_name + "_ETHUSD_" + period + ".csv",
    exchange_name + "_XLMUSD_" + period + ".csv",
    exchange_name + "_XMRUSD_" + period + ".csv",
    exchange_name + "_LTCUSD_" + period + ".csv",
    exchange_name + "_DASHUSD_" + period + ".csv",
    exchange_name + "_BTCUSD_" + period + ".csv",
    exchange_name + "_ETCUSD_" + period + ".csv",
]


for file in tqdm(files_to_download):
    data_location = base_url + file
    ssl._create_default_https_context = ssl._create_unverified_context
    data = pd.read_csv(data_location, skiprows=1, index_col=1, parse_dates=True).drop(
        columns=["unix"]
    )
    volume_column_to_delete = [
        c for c in data.columns if c.startswith("Volume") and "USD" not in c
    ]
    data.drop(volume_column_to_delete + ["symbol"], axis=1, inplace=True)
    data.rename({"Volume USD": "volume"}, axis=1, inplace=True)
    data.index.rename("time", inplace=True)
    data.sort_index(inplace=True)
    data = deduplicate_indexes(data)
    data.index = pd.to_datetime(data.index)
    data = data.resample("1Min").ffill()
    data = resample_ohlc(data, "5Min")
    target_file = file.split("_")[1].replace("USD", "") + "_USD"
    data.to_csv(f"data/5min_crypto/{target_file}.csv")