# pragma pylint: disable=too-few-public-methods

"""
bot constants
"""
from typing import List, Tuple


DEFAULT_CONFIG = 'config.json'
DEFAULT_EXCHANGE = 'bittrex'
PROCESS_THROTTLE_SECS = 5  # sec
HYPEROPT_EPOCH = 100  # epochs
RETRY_TIMEOUT = 30  # sec
TIMEOUT_UNITS = ['minutes', 'seconds']
EXPORT_OPTIONS = ['none', 'trades']
DEFAULT_DB_PROD_URL = 'sqlite:///tradesv3.sqlite'
DEFAULT_DB_DRYRUN_URL = 'sqlite:///tradesv3.dryrun.sqlite'
UNLIMITED_STAKE_AMOUNT = 'unlimited'
DEFAULT_AMOUNT_RESERVE_PERCENT = 0.05
REQUIRED_ORDERTIF = ['buy', 'sell']
REQUIRED_ORDERTYPES = ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']
ORDERBOOK_SIDES = ['ask', 'bid']
ORDERTYPE_POSSIBILITIES = ['limit', 'market']
ORDERTIF_POSSIBILITIES = ['gtc', 'fok', 'ioc']
HYPEROPT_LOSS_BUILTIN = ['ShortTradeDurHyperOptLoss', 'OnlyProfitHyperOptLoss',
                         'SharpeHyperOptLoss', 'SharpeHyperOptLossDaily',
                         'SortinoHyperOptLoss', 'SortinoHyperOptLossDaily',
                         'MaxDrawDownHyperOptLoss']
AVAILABLE_PAIRLISTS = ['StaticPairList', 'VolumePairList',
                       'AgeFilter', 'OffsetFilter', 'PerformanceFilter',
                       'PrecisionFilter', 'PriceFilter', 'RangeStabilityFilter',
                       'ShuffleFilter', 'SpreadFilter', 'VolatilityFilter']
AVAILABLE_PROTECTIONS = ['CooldownPeriod', 'LowProfitPairs', 'MaxDrawdown', 'StoplossGuard']
AVAILABLE_DATAHANDLERS = ['json', 'jsongz', 'hdf5']
DRY_RUN_WALLET = 1000
DATETIME_PRINT_FORMAT = '%Y-%m-%d %H:%M:%S'
MATH_CLOSE_PREC = 1e-14  # Precision used for float comparisons
DEFAULT_DATAFRAME_COLUMNS = ['date', 'open', 'high', 'low', 'close', 'volume']
# Don't modify sequence of DEFAULT_TRADES_COLUMNS
# it has wide consequences for stored trades files
DEFAULT_TRADES_COLUMNS = ['timestamp', 'id', 'type', 'side', 'price', 'amount', 'cost']
TRADING_MODES = ['spot', 'margin', 'futures']
COLLATERAL_TYPES = ['cross', 'isolated']

LAST_BT_RESULT_FN = '.last_result.json'
FTHYPT_FILEVERSION = 'fthypt_fileversion'

USERPATH_HYPEROPTS = 'hyperopts'
USERPATH_STRATEGIES = 'strategies'
USERPATH_NOTEBOOKS = 'notebooks'

TELEGRAM_SETTING_OPTIONS = ['on', 'off', 'silent']
ENV_VAR_PREFIX = 'FREQTRADE__'

NON_OPEN_EXCHANGE_STATES = ('cancelled', 'canceled', 'closed', 'expired')


# Define decimals per coin for outputs
# Only used for outputs.
DECIMAL_PER_COIN_FALLBACK = 3  # Should be low to avoid listing all possible FIAT's
DECIMALS_PER_COIN = {
    'BTC': 8,
    'ETH': 5,
}

DUST_PER_COIN = {
    'BTC': 0.0001,
    'ETH': 0.01
}


# Source files with destination directories within user-directory
USER_DATA_FILES = {
    'sample_strategy.py': USERPATH_STRATEGIES,
    'sample_hyperopt_loss.py': USERPATH_HYPEROPTS,
    'strategy_analysis_example.ipynb': USERPATH_NOTEBOOKS,
}

SUPPORTED_FIAT = [
    "AUD", "BRL", "CAD", "CHF", "CLP", "CNY", "CZK", "DKK",
    "EUR", "GBP", "HKD", "HUF", "IDR", "ILS", "INR", "JPY",
    "KRW", "MXN", "MYR", "NOK", "NZD", "PHP", "PKR", "PLN",
    "RUB", "SEK", "SGD", "THB", "TRY", "TWD", "ZAR", "USD",
    "BTC", "ETH", "XRP", "LTC", "BCH"
]

MINIMAL_CONFIG = {
    'stake_currency': '',
    'dry_run': True,
    'exchange': {
        'name': '',
        'key': '',
        'secret': '',
        'pair_whitelist': [],
        'ccxt_async_config': {
            'enableRateLimit': True,
        }
    }
}

# Required json-schema for user specified config
CONF_SCHEMA = {
    'type': 'object',
    'properties': {
        'max_open_trades': {'type': ['integer', 'number'], 'minimum': -1},
        'new_pairs_days': {'type': 'integer', 'default': 30},
        'timeframe': {'type': 'string'},
        'stake_currency': {'type': 'string'},
        'stake_amount': {
            'type': ['number', 'string'],
            'minimum': 0.0001,
            'pattern': UNLIMITED_STAKE_AMOUNT
        },
        'tradable_balance_ratio': {
            'type': 'number',
            'minimum': 0.0,
            'maximum': 1,
            'default': 0.99
        },
        'available_capital': {
            'type': 'number',
            'minimum': 0,
        },
        'amend_last_stake_amount': {'type': 'boolean', 'default': False},
        'last_stake_amount_min_ratio': {
            'type': 'number', 'minimum': 0.0, 'maximum': 1.0, 'default': 0.5
        },
        'fiat_display_currency': {'type': 'string', 'enum': SUPPORTED_FIAT},
        'dry_run': {'type': 'boolean'},
        'dry_run_wallet': {'type': 'number', 'default': DRY_RUN_WALLET},
        'cancel_open_orders_on_exit': {'type': 'boolean', 'default': False},
        'process_only_new_candles': {'type': 'boolean'},
        'minimal_roi': {
            'type': 'object',
            'patternProperties': {
                '^[0-9.]+$': {'type': 'number'}
            },
            'minProperties': 1
        },
        'amount_reserve_percent': {'type': 'number', 'minimum': 0.0, 'maximum': 0.5},
        'stoploss': {'type': 'number', 'maximum': 0, 'exclusiveMaximum': True},
        'trailing_stop': {'type': 'boolean'},
        'trailing_stop_positive': {'type': 'number', 'minimum': 0, 'maximum': 1},
        'trailing_stop_positive_offset': {'type': 'number', 'minimum': 0, 'maximum': 1},
        'trailing_only_offset_is_reached': {'type': 'boolean'},
        'use_sell_signal': {'type': 'boolean'},
        'sell_profit_only': {'type': 'boolean'},
        'sell_profit_offset': {'type': 'number'},
        'ignore_roi_if_buy_signal': {'type': 'boolean'},
        'ignore_buying_expired_candle_after': {'type': 'number'},
        'trading_mode': {'type': 'string', 'enum': TRADING_MODES},
        'collateral_type': {'type': 'string', 'enum': COLLATERAL_TYPES},
        'bot_name': {'type': 'string'},
        'unfilledtimeout': {
            'type': 'object',
            'properties': {
                'buy': {'type': 'number', 'minimum': 1},
                'sell': {'type': 'number', 'minimum': 1},
                'unit': {'type': 'string', 'enum': TIMEOUT_UNITS, 'default': 'minutes'}
            }
        },
        'bid_strategy': {
            'type': 'object',
            'properties': {
                'ask_last_balance': {
                    'type': 'number',
                    'minimum': 0,
                    'maximum': 1,
                    'exclusiveMaximum': False,
                },
                'price_side': {'type': 'string', 'enum': ORDERBOOK_SIDES, 'default': 'bid'},
                'use_order_book': {'type': 'boolean'},
                'order_book_top': {'type': 'integer', 'minimum': 1, 'maximum': 50, },
                'check_depth_of_market': {
                    'type': 'object',
                    'properties': {
                        'enabled': {'type': 'boolean'},
                        'bids_to_ask_delta': {'type': 'number', 'minimum': 0},
                    }
                },
            },
            'required': ['price_side']
        },
        'ask_strategy': {
            'type': 'object',
            'properties': {
                'price_side': {'type': 'string', 'enum': ORDERBOOK_SIDES, 'default': 'ask'},
                'bid_last_balance': {
                    'type': 'number',
                    'minimum': 0,
                    'maximum': 1,
                    'exclusiveMaximum': False,
                },
                'use_order_book': {'type': 'boolean'},
                'order_book_top': {'type': 'integer', 'minimum': 1, 'maximum': 50, },
            },
            'required': ['price_side']
        },
        'custom_price_max_distance_ratio': {
            'type': 'number', 'minimum': 0.0
        },
        'order_types': {
            'type': 'object',
            'properties': {
                'buy': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'sell': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'forcesell': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'forcebuy': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'emergencysell': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'stoploss': {'type': 'string', 'enum': ORDERTYPE_POSSIBILITIES},
                'stoploss_on_exchange': {'type': 'boolean'},
                'stoploss_on_exchange_interval': {'type': 'number'},
                'stoploss_on_exchange_limit_ratio': {'type': 'number', 'minimum': 0.0,
                                                     'maximum': 1.0}
            },
            'required': ['buy', 'sell', 'stoploss', 'stoploss_on_exchange']
        },
        'order_time_in_force': {
            'type': 'object',
            'properties': {
                'buy': {'type': 'string', 'enum': ORDERTIF_POSSIBILITIES},
                'sell': {'type': 'string', 'enum': ORDERTIF_POSSIBILITIES}
            },
            'required': ['buy', 'sell']
        },
        'exchange': {'$ref': '#/definitions/exchange'},
        'edge': {'$ref': '#/definitions/edge'},
        'experimental': {
            'type': 'object',
            'properties': {
                'block_bad_exchanges': {'type': 'boolean'}
            }
        },
        'pairlists': {
            'type': 'array',
            'items': {
                'type': 'object',
                'properties': {
                    'method': {'type': 'string', 'enum': AVAILABLE_PAIRLISTS},
                },
                'required': ['method'],
            }
        },
        'protections': {
            'type': 'array',
            'items': {
                'type': 'object',
                'properties': {
                    'method': {'type': 'string', 'enum': AVAILABLE_PROTECTIONS},
                    'stop_duration': {'type': 'number', 'minimum': 0.0},
                    'stop_duration_candles': {'type': 'number', 'minimum': 0},
                    'trade_limit': {'type': 'number', 'minimum': 1},
                    'lookback_period': {'type': 'number', 'minimum': 1},
                    'lookback_period_candles': {'type': 'number', 'minimum': 1},
                },
                'required': ['method'],
            }
        },
        'telegram': {
            'type': 'object',
            'properties': {
                'enabled': {'type': 'boolean'},
                'token': {'type': 'string'},
                'chat_id': {'type': 'string'},
                'balance_dust_level': {'type': 'number', 'minimum': 0.0},
                'notification_settings': {
                    'type': 'object',
                    'default': {},
                    'properties': {
                        'status': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'warning': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'startup': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'buy': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'buy_cancel': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'buy_fill': {'type': 'string',
                                     'enum': TELEGRAM_SETTING_OPTIONS,
                                     'default': 'off'
                                     },
                        'sell': {
                            'type': ['string', 'object'],
                            'additionalProperties': {
                                'type': 'string',
                                'enum': TELEGRAM_SETTING_OPTIONS
                            }
                        },
                        'sell_cancel': {'type': 'string', 'enum': TELEGRAM_SETTING_OPTIONS},
                        'sell_fill': {
                            'type': 'string',
                            'enum': TELEGRAM_SETTING_OPTIONS,
                            'default': 'off'
                        },
                        'protection_trigger': {
                            'type': 'string',
                            'enum': TELEGRAM_SETTING_OPTIONS,
                            'default': 'off'
                        },
                        'protection_trigger_global': {
                            'type': 'string',
                            'enum': TELEGRAM_SETTING_OPTIONS,
                        },
                    }
                },
                'reload': {'type': 'boolean'},
            },
            'required': ['enabled', 'token', 'chat_id'],
        },
        'webhook': {
            'type': 'object',
            'properties': {
                'enabled': {'type': 'boolean'},
                'webhookbuy': {'type': 'object'},
                'webhookbuycancel': {'type': 'object'},
                'webhooksell': {'type': 'object'},
                'webhooksellcancel': {'type': 'object'},
                'webhookstatus': {'type': 'object'},
            },
        },
        'api_server': {
            'type': 'object',
            'properties': {
                'enabled': {'type': 'boolean'},
                'listen_ip_address': {'format': 'ipv4'},
                'listen_port': {
                    'type': 'integer',
                    'minimum': 1024,
                    'maximum': 65535
                },
                'username': {'type': 'string'},
                'password': {'type': 'string'},
                'jwt_secret_key': {'type': 'string'},
                'CORS_origins': {'type': 'array', 'items': {'type': 'string'}},
                'verbosity': {'type': 'string', 'enum': ['error', 'info']},
            },
            'required': ['enabled', 'listen_ip_address', 'listen_port', 'username', 'password']
        },
        'db_url': {'type': 'string'},
        'export': {'type': 'string', 'enum': EXPORT_OPTIONS, 'default': 'trades'},
        'disableparamexport': {'type': 'boolean'},
        'initial_state': {'type': 'string', 'enum': ['running', 'stopped']},
        'forcebuy_enable': {'type': 'boolean'},
        'disable_dataframe_checks': {'type': 'boolean'},
        'internals': {
            'type': 'object',
            'default': {},
            'properties': {
                'process_throttle_secs': {'type': 'integer'},
                'interval': {'type': 'integer'},
                'sd_notify': {'type': 'boolean'},
            }
        },
        'dataformat_ohlcv': {
            'type': 'string',
                    'enum': AVAILABLE_DATAHANDLERS,
                    'default': 'json'
        },
        'dataformat_trades': {
            'type': 'string',
                    'enum': AVAILABLE_DATAHANDLERS,
                    'default': 'jsongz'
        }
    },
    'definitions': {
        'exchange': {
            'type': 'object',
            'properties': {
                'name': {'type': 'string'},
                'sandbox': {'type': 'boolean', 'default': False},
                'key': {'type': 'string', 'default': ''},
                'secret': {'type': 'string', 'default': ''},
                'password': {'type': 'string', 'default': ''},
                'uid': {'type': 'string'},
                'pair_whitelist': {
                    'type': 'array',
                    'items': {
                        'type': 'string',
                    },
                    'uniqueItems': True
                },
                'pair_blacklist': {
                    'type': 'array',
                    'items': {
                        'type': 'string',
                    },
                    'uniqueItems': True
                },
                'outdated_offset': {'type': 'integer', 'minimum': 1},
                'markets_refresh_interval': {'type': 'integer'},
                'ccxt_config': {'type': 'object'},
                'ccxt_async_config': {'type': 'object'}
            },
            'required': ['name']
        },
        'edge': {
            'type': 'object',
            'properties': {
                'enabled': {'type': 'boolean'},
                'process_throttle_secs': {'type': 'integer', 'minimum': 600},
                'calculate_since_number_of_days': {'type': 'integer'},
                'allowed_risk': {'type': 'number'},
                'stoploss_range_min': {'type': 'number'},
                'stoploss_range_max': {'type': 'number'},
                'stoploss_range_step': {'type': 'number'},
                'minimum_winrate': {'type': 'number'},
                'minimum_expectancy': {'type': 'number'},
                'min_trade_number': {'type': 'number'},
                'max_trade_duration_minute': {'type': 'integer'},
                'remove_pumps': {'type': 'boolean'}
            },
            'required': ['process_throttle_secs', 'allowed_risk']
        }
    },
}

SCHEMA_TRADE_REQUIRED = [
    'exchange',
    'timeframe',
    'max_open_trades',
    'stake_currency',
    'stake_amount',
    'tradable_balance_ratio',
    'last_stake_amount_min_ratio',
    'dry_run',
    'dry_run_wallet',
    'ask_strategy',
    'bid_strategy',
    'unfilledtimeout',
    'stoploss',
    'minimal_roi',
    'internals',
    'dataformat_ohlcv',
    'dataformat_trades',
]

SCHEMA_BACKTEST_REQUIRED = [
    'exchange',
    'max_open_trades',
    'stake_currency',
    'stake_amount',
    'dry_run_wallet',
    'dataformat_ohlcv',
    'dataformat_trades',
]

SCHEMA_MINIMAL_REQUIRED = [
    'exchange',
    'dry_run',
    'dataformat_ohlcv',
    'dataformat_trades',
]

CANCEL_REASON = {
    "TIMEOUT": "cancelled due to timeout",
    "PARTIALLY_FILLED_KEEP_OPEN": "partially filled - keeping order open",
    "PARTIALLY_FILLED": "partially filled",
    "FULLY_CANCELLED": "fully cancelled",
    "ALL_CANCELLED": "cancelled (all unfilled and partially filled open orders cancelled)",
    "CANCELLED_ON_EXCHANGE": "cancelled on exchange",
    "FORCE_SELL": "forcesold",
}

# List of pairs with their timeframes
PairWithTimeframe = Tuple[str, str]
ListPairsWithTimeframes = List[PairWithTimeframe]

# Type for trades list
TradeList = List[List]