#!/usr/bin/env pyston3

import os
import 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  # noqa: F401
import traceback

from decimal import Decimal
from solana.publickey import PublicKey
from spl.token.client import Token
from spl.token.constants import TOKEN_PROGRAM_ID

from BaseModel import BasketToken, Group, TokenAccount
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 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="Sends one of the Group's SPL tokens to a different address.")
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.INFO, 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 send (e.g. ETH)")
parser.add_argument("--address", type=PublicKey,
                    help="Destination address for the SPL token - can be either the actual token address or the address of the owner of the token address")
parser.add_argument("--quantity", type=Decimal, required=True, help="quantity of token to send")
parser.add_argument("--dry-run", action="store_true", default=False,
                    help="runs as read-only and does not perform any transactions")
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)

    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)
    group_basket_token = BasketToken.find_by_name(group.basket_tokens, args.token_symbol)
    group_token = group_basket_token.token

    spl_token = Token(context.client, group_token.mint, TOKEN_PROGRAM_ID, wallet.account)
    source_accounts = spl_token.get_accounts(wallet.address)
    source_account = source_accounts["result"]["value"][0]
    source = PublicKey(source_account["pubkey"])

    # Is the address an actual token account? Or is it the SOL address of the owner?
    possible_dest = TokenAccount.load(context, args.address)
    if (possible_dest is not None) and (possible_dest.mint == group_token.mint):
        # We successfully loaded the token account.
        destination: PublicKey = args.address
    else:
        destination_accounts = spl_token.get_accounts(args.address)
        if len(destination_accounts["result"]["value"]) == 0:
            raise Exception(f"Could not find destination account using {args.address} as either owner address or token address.")
        destination_account = destination_accounts["result"]["value"][0]
        destination = PublicKey(destination_account["pubkey"])

    owner = wallet.account
    amount = int(args.quantity * Decimal(10 ** group_token.decimals))

    print("Balance:", source_account["account"]["data"]["parsed"]["info"]["tokenAmount"]["uiAmountString"], group_token.name)
    text_amount = f"{amount} {group_token.name} (@ {group_token.decimals} decimal places)"
    print(f"Sending {text_amount}")
    print(f"    From: {source}")
    print(f"      To: {destination}")

    if args.dry_run:
        print("Skipping actual transfer - dry run.")
    else:
        transfer_response = spl_token.transfer(source, destination, owner, amount)
        transaction_id = context.unwrap_transaction_id_or_raise_exception(transfer_response)
        print(f"Waiting on transaction ID: {transaction_id}")
        context.wait_for_confirmation(transaction_id)

    updated_balance = spl_token.get_balance(source)
    updated_balance_text = updated_balance["result"]["value"]["uiAmountString"]
    print(f"{text_amount} sent. Balance now: {updated_balance_text} {group_token.name}")
except Exception as exception:
    logging.critical(f"group-send-token stopped because of exception: {exception} - {traceback.format_exc()}")
except:
    logging.critical(f"group-send-token stopped because of uncatchable error: {traceback.format_exc()}")