import argparse
import asyncio
import os
import struct
import sys
from typing import Final

from construct import Flag, Int64ul, Struct
from solana.rpc.async_api import AsyncClient
from solders.pubkey import Pubkey

sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

from core.pubkeys import PumpAddresses

# Constants
EXPECTED_DISCRIMINATOR: Final[bytes] = struct.pack("<Q", 6966180631402821399)

RPC_ENDPOINT = os.environ.get("SOLANA_NODE_RPC_ENDPOINT")


class BondingCurveState:
    _STRUCT = Struct(
        "virtual_token_reserves" / Int64ul,
        "virtual_sol_reserves" / Int64ul,
        "real_token_reserves" / Int64ul,
        "real_sol_reserves" / Int64ul,
        "token_total_supply" / Int64ul,
        "complete" / Flag,
    )

    def __init__(self, data: bytes) -> None:
        parsed = self._STRUCT.parse(data[8:])
        self.__dict__.update(parsed)


def get_associated_bonding_curve_address(
    mint: Pubkey, program_id: Pubkey
) -> tuple[Pubkey, int]:
    """
    Derives the associated bonding curve address for a given mint
    """
    return Pubkey.find_program_address([b"bonding-curve", bytes(mint)], program_id)


async def get_bonding_curve_state(
    conn: AsyncClient, curve_address: Pubkey
) -> BondingCurveState:
    response = await conn.get_account_info(curve_address)
    if not response.value or not response.value.data:
        raise ValueError("Invalid curve state: No data")

    data = response.value.data
    if data[:8] != EXPECTED_DISCRIMINATOR:
        raise ValueError("Invalid curve state discriminator")

    return BondingCurveState(data)


async def check_token_status(mint_address: str) -> None:
    try:
        mint = Pubkey.from_string(mint_address)

        # Get the associated bonding curve address
        bonding_curve_address, bump = get_associated_bonding_curve_address(
            mint, PumpAddresses.PROGRAM
        )

        print("\nToken Status:")
        print("-" * 50)
        print(f"Token Mint:              {mint}")
        print(f"Associated Bonding Curve: {bonding_curve_address}")
        print(f"Bump Seed:               {bump}")
        print("-" * 50)

        # Check completion status
        async with AsyncClient(RPC_ENDPOINT) as client:
            try:
                curve_state = await get_bonding_curve_state(
                    client, bonding_curve_address
                )

                print("\nBonding Curve Status:")
                print("-" * 50)
                print(
                    f"Completion Status: {'Completed' if curve_state.complete else 'Not Completed'}"
                )
                if curve_state.complete:
                    print(
                        "\nNote: This bonding curve has completed and liquidity has been migrated to Raydium."
                    )
                print("-" * 50)

            except ValueError as e:
                print(f"\nError accessing bonding curve: {e}")

    except ValueError as e:
        print(f"\nError: Invalid address format - {e}")
    except Exception as e:
        print(f"\nUnexpected error: {e}")


def main():
    parser = argparse.ArgumentParser(description="Check token bonding curve status")
    parser.add_argument("mint_address", help="The token mint address")

    args = parser.parse_args()
    asyncio.run(check_token_status(args.mint_address))


if __name__ == "__main__":
    main()