# pragma pylint: disable=missing-docstring
from datetime import datetime
from unittest.mock import MagicMock

import pytest
from jsonschema import validate
from telegram import Bot, Update, Message, Chat

from freqtrade import exchange
from freqtrade.main import init, create_trade
from freqtrade.misc import update_state, State, get_state, CONF_SCHEMA
from freqtrade.persistence import Trade
from freqtrade.rpc.telegram import (
    _status, _profit, _forcesell, _performance, _start, _stop, _balance
)


@pytest.fixture
def conf():
    configuration = {
        "max_open_trades": 3,
        "stake_currency": "BTC",
        "stake_amount": 0.05,
        "dry_run": True,
        "minimal_roi": {
            "2880": 0.005,
            "720": 0.01,
            "0": 0.02
        },
        "bid_strategy": {
            "ask_last_balance": 0.0
        },
        "exchange": {
            "name": "bittrex",
            "enabled": True,
            "key": "key",
            "secret": "secret",
            "pair_whitelist": [
                "BTC_ETH"
            ]
        },
        "telegram": {
            "enabled": True,
            "token": "token",
            "chat_id": "0"
        },
        "initial_state": "running"
    }
    validate(configuration, CONF_SCHEMA)
    return configuration


@pytest.fixture
def update():
    _update = Update(0)
    _update.message = Message(0, 0, datetime.utcnow(), Chat(0, 0))
    return _update


class MagicBot(MagicMock, Bot):
    pass


def test_status_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          validate_pairs=MagicMock(),
                          get_ticker=MagicMock(return_value={
                              'bid': 0.07256061,
                              'ask': 0.072661,
                              'last': 0.07256061
                          }))
    init(conf, 'sqlite://')

    # Create some test data
    trade = create_trade(15.0)
    assert trade
    Trade.session.add(trade)
    Trade.session.flush()

    # Trigger status while we have a fulfilled order for the open trade
    _status(bot=MagicBot(), update=update)

    assert msg_mock.call_count == 2
    assert '[BTC_ETH]' in msg_mock.call_args_list[-1][0][0]


def test_profit_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          validate_pairs=MagicMock(),
                          get_ticker=MagicMock(return_value={
                              'bid': 0.07256061,
                              'ask': 0.072661,
                              'last': 0.07256061
                          }))
    init(conf, 'sqlite://')

    # Create some test data
    trade = create_trade(15.0)
    assert trade

    # Simulate fulfilled LIMIT_BUY order for trade
    trade.update({
        'id': 'mocked_limit_buy',
        'type': 'LIMIT_BUY',
        'pair': 'mocked',
        'opened': datetime.utcnow(),
        'rate': 0.07256061,
        'amount': 206.43811673387373,
        'remaining': 0.0,
        'closed': datetime.utcnow(),
    })
    # Simulate fulfilled LIMIT_SELL order for trade
    trade.update({
        'id': 'mocked_limit_sell',
        'type': 'LIMIT_SELL',
        'pair': 'mocked',
        'opened': datetime.utcnow(),
        'rate': 0.0802134,
        'amount': 206.43811673387373,
        'remaining': 0.0,
        'closed': datetime.utcnow(),
    })

    trade.close_date = datetime.utcnow()
    trade.is_open = False
    Trade.session.add(trade)
    Trade.session.flush()

    _profit(bot=MagicBot(), update=update)
    assert msg_mock.call_count == 2
    assert '*ROI:* `1.507013 (10.05%)`' in msg_mock.call_args_list[-1][0][0]
    assert 'Best Performing:* `BTC_ETH: 10.05%`' in msg_mock.call_args_list[-1][0][0]


def test_forcesell_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          validate_pairs=MagicMock(),
                          get_ticker=MagicMock(return_value={
                              'bid': 0.07256061,
                              'ask': 0.072661,
                              'last': 0.07256061
                          }))
    init(conf, 'sqlite://')

    # Create some test data
    trade = create_trade(15.0)
    assert trade

    Trade.session.add(trade)
    Trade.session.flush()

    update.message.text = '/forcesell 1'
    _forcesell(bot=MagicBot(), update=update)

    assert msg_mock.call_count == 2
    assert 'Selling [BTC/ETH]' in msg_mock.call_args_list[-1][0][0]
    assert '0.072561 (profit: ~-0.64%)' in msg_mock.call_args_list[-1][0][0]


def test_performance_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          validate_pairs=MagicMock(),
                          get_ticker=MagicMock(return_value={
                              'bid': 0.07256061,
                              'ask': 0.072661,
                              'last': 0.07256061
                          }))
    init(conf, 'sqlite://')

    # Create some test data
    trade = create_trade(15.0)
    assert trade

    # Simulate fulfilled LIMIT_BUY order for trade
    trade.update({
        'id': 'mocked_limit_buy',
        'type': 'LIMIT_BUY',
        'pair': 'mocked',
        'opened': datetime.utcnow(),
        'rate': 0.07256061,
        'amount': 206.43811673387373,
        'remaining': 0.0,
        'closed': datetime.utcnow(),
    })

    # Simulate fulfilled LIMIT_SELL order for trade
    trade.update({
        'id': 'mocked_limit_sell',
        'type': 'LIMIT_SELL',
        'pair': 'mocked',
        'opened': datetime.utcnow(),
        'rate': 0.0802134,
        'amount': 206.43811673387373,
        'remaining': 0.0,
        'closed': datetime.utcnow(),
    })

    trade.close_date = datetime.utcnow()
    trade.is_open = False
    Trade.session.add(trade)
    Trade.session.flush()

    _performance(bot=MagicBot(), update=update)
    assert msg_mock.call_count == 2
    assert 'Performance' in msg_mock.call_args_list[-1][0][0]
    assert '<code>BTC_ETH\t10.05%</code>' in msg_mock.call_args_list[-1][0][0]


def test_start_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          _CONF=conf,
                          init=MagicMock())
    init(conf, 'sqlite://')

    update_state(State.STOPPED)
    assert get_state() == State.STOPPED
    _start(bot=MagicBot(), update=update)
    assert get_state() == State.RUNNING
    assert msg_mock.call_count == 0


def test_stop_handle(conf, update, mocker):
    mocker.patch.dict('freqtrade.main._CONF', conf)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          _CONF=conf,
                          init=MagicMock())
    init(conf, 'sqlite://')

    update_state(State.RUNNING)
    assert get_state() == State.RUNNING
    _stop(bot=MagicBot(), update=update)
    assert get_state() == State.STOPPED
    assert msg_mock.call_count == 1
    assert 'Stopping trader' in msg_mock.call_args_list[0][0][0]


def test_balance_handle(conf, update, mocker):
    mock_balance = [{
        'Currency': 'BTC',
        'Balance': 10.0,
        'Available': 12.0,
        'Pending': 0.0,
        'CryptoAddress': 'XXXX'}]
    mocker.patch.dict('freqtrade.main._CONF', conf)
    msg_mock = MagicMock()
    mocker.patch.multiple('freqtrade.main.telegram',
                          _CONF=conf,
                          init=MagicMock(),
                          send_msg=msg_mock)
    mocker.patch.multiple('freqtrade.main.exchange',
                          get_balances=MagicMock(return_value=mock_balance))

    _balance(bot=MagicBot(), update=update)
    assert msg_mock.call_count == 1
    assert '*Currency*: BTC' in msg_mock.call_args_list[0][0][0]
    assert 'Balance' in msg_mock.call_args_list[0][0][0]