#!/usr/bin/env python3

import os, sys

from pathlib import Path

# Get the full path to this script.
script_path = Path(os.path.realpath(__file__))

# The parent of the script is the bin directory.
# The parent of the bin directory is the notebook directory.
# It's this notebook directory we want.
notebook_directory = script_path.parent.parent

# Add the notebook directory to our import path.
sys.path.append(str(notebook_directory))

# Add the startup directory to our import path.
startup_directory = notebook_directory / "meta" / "startup"
sys.path.append(str(startup_directory))

import argparse
import logging
import os.path
import projectsetup
import traceback

from decimal import Decimal

from BaseModel import Group
from Constants import WARNING_DISCLAIMER_TEXT
from Context import Context, default_cluster, default_cluster_url, default_program_id, default_dex_program_id, default_group_name, default_group_id
from TradeExecutor import SerumImmediateTradeExecutor
from Wallet import Wallet

# We explicitly want argument parsing to be outside the main try-except block because some arguments
# (like --help) will cause an exit, which our except: block traps.
parser = argparse.ArgumentParser(description='Sells one of the tokens in a Mango Markets group.')
parser.add_argument("--cluster", type=str, default=default_cluster,
                    help="Solana RPC cluster name")
parser.add_argument("--cluster-url", type=str, default=default_cluster_url,
                    help="Solana RPC cluster URL")
parser.add_argument("--program-id", type=str, default=default_program_id,
                    help="Mango program ID/address")
parser.add_argument("--dex-program-id", type=str, default=default_dex_program_id,
                    help="DEX program ID/address")
parser.add_argument("--group-name", type=str, default=default_group_name,
                    help="Mango group name")
parser.add_argument("--group-id", type=str, default=default_group_id,
                    help="Mango group ID/address")
parser.add_argument("--id-file", type=str, default="id.json",
                    help="file containing the JSON-formatted wallet private key")
parser.add_argument("--log-level", default=logging.WARNING, type=lambda level: getattr(logging, level),
                    help="level of verbosity to log (possible values: DEBUG, INFO, WARNING, ERROR, CRITICAL)")
parser.add_argument("--token-symbol", type=str, required=True, help="token symbol to buy (e.g. ETH)")
parser.add_argument("--quantity", type=Decimal, required=True, help="quantity of token to buy")
parser.add_argument("--adjustment-factor", type=Decimal, default=Decimal("0.05"),
                    help="factor by which to adjust the SELL price (akin to maximum slippage)")
args = parser.parse_args()

logging.getLogger().setLevel(args.log_level)
logging.warning(WARNING_DISCLAIMER_TEXT)

try:
    id_filename = args.id_file
    if not os.path.isfile(id_filename):
        logging.error(f"Wallet file '{id_filename}' is not present.")
        sys.exit(1)
    wallet = Wallet.load(id_filename)
    adjustment_factor = args.adjustment_factor

    context = Context(args.cluster, args.cluster_url, args.program_id, args.dex_program_id, args.group_name,
                      args.group_id)

    logging.info(f"Context: {context}")
    logging.info(f"Wallet address: {wallet.address}")

    group = Group.load(context)

    symbol = args.token_symbol.upper()

    trade_executor = SerumImmediateTradeExecutor(context, wallet, group, adjustment_factor)
    trade_executor.sell(symbol, args.quantity)

    logging.info("Sell completed.")
except Exception as exception:
    logging.critical(f"Buy stopped because of exception: {exception} - {traceback.format_exc()}")
except:
    logging.critical(f"Buy stopped because of uncatchable error: {traceback.format_exc()}")