const utils = require('./utils');

const BC_BASE_GAME_ID = 2005;

const BC_FUNC_CREATION = 1;
const BC_FUNC_GUILD = 3;
const BC_FUNC_BLIND_BOX = 5;
const BC_FUNC_PRESENT = 6;
const BC_MAX_TOKEN_IDX = 99999;

const BC_EPOCH = 1643212800;

const NONE_TYPE = 0;
const HERO_TYPE = 1;
const EQUIP_TYPE = 2;
const CHIP_TYPE = 3;
const BLIND_BOX_TYPE = 4;

function isValidBcGameId(gameId) {
  return gameID > BASE_BC_GAME_ID && gameID < BC_BASE_GAME_ID + 99;
}

function isValidBcTime(time) {
  return time >= BC_EPOCH && time < BC_EPOCH + 3600 * 24 * 365 * 20;
}

function isValidBcFuncId(funcId) {
  return funcId > 0 && funcId < 10;
}

function toBcTime(time) {
  return time - BC_EPOCH;
}

function toBcGameId(gameId) {
  return gameId - BC_BASE_GAME_ID;
}

function toNormalAddress(address) {
  return address.toLowerCase();
}

function genTokenId(gameId, funcId, time, subIdx, idx) {
  const tokenId =
        funcId.toString() +
        //utils.pad(toBcGameId(gameId), 2) +
        utils.pad(toBcTime(time), 9) +
        utils.pad(subIdx, 1) +
        utils.pad(1 + (idx % BC_MAX_TOKEN_IDX), 5);
  return tokenId;
}

function isValidOldTokenId(tokenId) {
  return utils.isPureNumberStr(tokenId.toString()) && tokenId.toString().length == 18;
}

function isValidTokenId(tokenId) {
  return utils.isPureNumberStr(tokenId.toString()) && tokenId.toString().length == 16;
}

function isSameAddress(a, b) {
  return a.toLowerCase() == b.toLowerCase();
}

exports.BC_BASE_GAME_ID = BC_BASE_GAME_ID;
exports.BC_FUNC_CREATION = BC_FUNC_CREATION;
exports.BC_FUNC_GUILD = BC_FUNC_GUILD;
exports.BC_FUNC_BLIND_BOX = BC_FUNC_BLIND_BOX;
exports.BC_FUNC_PRESENT = BC_FUNC_PRESENT;
exports.BC_EPOCH = BC_EPOCH;
exports.BC_MAX_TOKEN_IDX = BC_MAX_TOKEN_IDX;
exports.NONE_TYPE = NONE_TYPE;
exports.HERO_TYPE = HERO_TYPE
exports.EQUIP_TYPE = EQUIP_TYPE
exports.CHIP_TYPE = CHIP_TYPE
exports.BLIND_BOX_TYPE = BLIND_BOX_TYPE
exports.isValidBcGameId = isValidBcGameId;
exports.isValidBcTime = isValidBcTime;
exports.isValidBcFuncId = isValidBcFuncId;
exports.toBcTime = toBcTime;
exports.toBcGameId = toBcGameId;
exports.toNormalAddress = toNormalAddress;
exports.genTokenId = genTokenId;
exports.isValidTokenId = isValidTokenId;
exports.isSameAddress = isSameAddress;