import logging
import requests
from tipbot.db import User
from tipbot.helpers.decorators import wallet_rpc_required, log_event, check_debug
from tipbot import wownero
from tipbot import config


@wallet_rpc_required
@log_event
@check_debug
def mine(update, context):
    # Check that enough arguments were provided
    if len(context.args) < 1:
        update.message.reply_text('Not enough arguments passed. Include hash rate per second to estimate.')
        return False

    # Check that hash rate arg is an actual number
    try:
        hr = float(context.args[0])
    except:
        update.message.reply_text('Invalid hashrate provided')
        return False

    # Run the numbers, tell the user
    try:
        payload = {'jsonrpc':'2.0', 'id':'0', 'method':'getlastblockheader'}
        headers = {'Content-Type':'application/json'}
        r = requests.post(config.DAEMON_URI + '/json_rpc', json=payload, headers=headers, timeout=5)
        r.raise_for_status()
        j = r.json()
        diff = float(j['result']['block_header']['difficulty'])
        lbr = float(j['result']['block_header']['reward'])
        ttb = diff / hr
        update.message.reply_text('The estimated time to find a block with {0:.2f} kh/s at diff {1:.2e} is {2:.2f} days. On average you will earn {3:.2f} WOW per day'.format(
            hr/1e3, diff, ttb/(60*60*24), (lbr/1e11)/(ttb/(60*60*24))
        ))
    except:
        update.message.reply_text('Something b0rked -_-')
        return False