#!/usr/bin/env python3

import argparse
import os
import os.path
import sys

from decimal import Decimal
from solana.publickey import PublicKey

sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
import mango  # nopep8

parser = argparse.ArgumentParser(description="Withdraw funds from a Mango account")
mango.ContextBuilder.add_command_line_parameters(parser)
mango.Wallet.add_command_line_parameters(parser)
parser.add_argument(
    "--symbol", type=str, required=True, help="token symbol to withdraw (e.g. USDC)"
)
parser.add_argument(
    "--quantity", type=Decimal, required=True, help="quantity token to withdraw"
)
parser.add_argument(
    "--account-address",
    type=PublicKey,
    help="address of the specific account to use, if more than one available",
)
parser.add_argument(
    "--allow-borrow",
    action="store_true",
    default=False,
    help="allow borrowing to fund the withdrawal",
)
args: argparse.Namespace = mango.parse_args(parser)

context = mango.ContextBuilder.from_command_line_parameters(args)
wallet = mango.Wallet.from_command_line_parameters_or_raise(args)

group = mango.Group.load(context, context.group_address)
account = mango.Account.load_for_owner_by_address(
    context, wallet.address, group, args.account_address
)

instrument = context.instrument_lookup.find_by_symbol(args.symbol)
if instrument is None:
    raise Exception(f"Could not find instrument with symbol '{args.symbol}'.")

token: mango.Token = mango.Token.ensure(instrument)
token_account = mango.TokenAccount.fetch_or_create_largest_for_owner_and_token(
    context, wallet.keypair, token
)
withdrawal_value = mango.InstrumentValue(token, args.quantity)
withdrawal_token_account = mango.TokenAccount(
    token_account.account_info,
    token_account.version,
    token_account.owner,
    withdrawal_value,
)

token_bank = group.token_bank_by_instrument(token)
root_bank = token_bank.ensure_root_bank(context)
node_bank = root_bank.pick_node_bank(context)

signers: mango.CombinableInstructions = mango.CombinableInstructions.from_wallet(wallet)
withdraw = mango.build_withdraw_instructions(
    context,
    wallet,
    group,
    account,
    root_bank,
    node_bank,
    withdrawal_token_account,
    args.allow_borrow,
)

all_instructions = signers + withdraw
transaction_ids = all_instructions.execute(context)
mango.output("Transaction IDs:", transaction_ids)