import { Network } from "@aptos-labs/ts-sdk";

export const getUrlFromNetwork = (network: Network) => {
  switch (network) {
    case Network.MAINNET:
      return "https://api.testnet.tapp.exchange/v1";
    case Network.TESTNET:
      return "https://api.testnet.tapp.exchange/v1";
    default:
      throw new Error(`Network is not supported: ${network}`);
  }
};

export const getSpacingFromFee = (fee: number): number => {
  const feeSpacingMap: Record<number, number> = {
    100: 1,
    500: 10,
    3000: 60,
    10000: 200,
  };

  const spacing = feeSpacingMap[fee];
  if (spacing === undefined) {
    throw new Error(`Unsupported fee tier: ${fee}`);
  }

  return spacing;
};

export const toU64 = (value: number): bigint => {
  if (value < 0) {
    // Convert signed value to its unsigned (two's complement) representation
    const U64_MAX = 2n ** 64n; // Maximum value for u64
    return U64_MAX + BigInt(value);
  }
  return BigInt(value);
};

export const priceToTickIndex = (price: number, tickSpacing = 60) => {
  if (price <= 0) {
    throw new Error("Price must be greater than 0");
  }

  const ln1_0001 = Math.log(1.0001); // Natural log of 1.0001
  const tickIndex = Math.log(price) / ln1_0001; // Compute raw tick index

  // Align tick index to tick spacing
  return Math.floor(tickIndex / tickSpacing) * tickSpacing;
};

export const roundPriceToTickSpacing = (price: number, fee: number) => {
  const tickSpacing = getSpacingFromFee(fee);
  const tick = Math.floor(Math.log(price) / Math.log(1.0001));
  const roundedTick = Math.round(tick / tickSpacing) * tickSpacing;
  return Math.pow(1.0001, roundedTick);
};