@gameroom/cli/src/helpers/calculateGamePrices.js

A command line tool for Gameroom

const nearestDime = require('./nearestDime')

module.exports = (product) => {
  const baseline = parseInt(product.properties.price_baseline || 0)
  if (!baseline) return { game_plus_amount: 0, game_only_amount: 0, buy_in_game_plus_amount: 0, buy_in_game_only_amount: 0 }
  // get ratios
  const game_plus_ratio = Math.abs(parseFloat(product.properties.price_game_plus_ratio))
  const game_only_ratio = Math.abs(parseFloat(product.properties.price_game_only_ratio))
  const buy_in_game_plus_ratio = Math.abs(parseFloat(product.properties.price_buy_in_game_plus_ratio))
  const buy_in_game_only_ratio = Math.abs(parseFloat(product.properties.price_buy_in_game_only_ratio))

  const { tags } = product

  // other prices/operations depend on game_plus_amount value, so calculate it first
  let game_plus_amount = nearestDime(baseline * game_plus_ratio)

  let floor, sub_floor, multiplier

  // PS5 + Xbox Series X
  if (tags.includes('PS5') || tags.includes('Xbox Series X')) {
    floor = baseline ? 100 : 0
    sub_floor = baseline ? floor * 0.60 : 0
    multiplier = game_plus_amount
  }
  // PS4 + Xbox One
  else if (tags.includes('PS4') || tags.includes('Xbox One')) {
    // skip if gamestop price is 0
    floor = baseline ? 100 : 0
    sub_floor = baseline ? floor * 0.60 : 0
    multiplier = game_plus_amount
  }
  // Switch
  else if (tags.includes('Switch')) {
    // skip if gamestop price is 0
    floor = baseline ? 500 : 0
    sub_floor = baseline ? floor * 0.90 : 0
    multiplier = game_plus_amount
  }
  // PS3
  else if (tags.includes('PS3')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Xbox 360
  else if (tags.includes('Xbox 360')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Wii
  else if (tags.includes('Wii')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Wii U
  else if (tags.includes('Wii U')) {
    price_floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // PS2 + Xbox
  else if (tags.includes('PS2') || tags.includes('Xbox')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Gamecube
  else if (tags.includes('Gamecube')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // PS1
  else if (tags.includes('PS1')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Dreamcast
  else if (tags.includes('Dreamcast')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Saturn
  else if (tags.includes('Saturn')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Sega CD
  else if (tags.includes('Sega CD')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // CDi + 3DO
  else if (tags.includes('CD-i') || tags.includes('3DO')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // NES + SNES
  else if (tags.includes('NES') || tags.includes('SNES')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // N64
  else if (tags.includes('N64')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // Genesis + 32X + Master System
  else if (tags.includes('Genesis') || tags.includes('Master System')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // 32X (disc-based)
  else if (tags.includes('32X') && tags.includes('Sega CD')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // 32X (cartridge-based)
  else if (tags.includes('32X') && !tags.includes('Sega CD')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  //  Atari + Vision(s)
  else if (tags.includes('Atari') || tags.includes('Intellivision') || tags.includes('Colecovision')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // GB + GBC
  else if (tags.includes('Gameboy') || tags.includes('Gameboy Color')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // GBA
  else if (tags.includes('Gameboy Advance')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }
  // 3DS + DS
  else if (tags.includes('3DS') || tags.includes('DS')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // PSP
  else if (tags.includes('PSP')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Vita
  else if (tags.includes('Vita')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = game_plus_amount
  }
  // Game Gear
  else if (tags.includes('Game Gear')) {
    floor = 100
    sub_floor = floor * 0.60
    multiplier = baseline
  }

  sub_floor = nearestDime(sub_floor)

  // continue calculating sell values
  if (game_plus_ratio && game_plus_amount < floor) game_plus_amount = floor
  if (game_plus_amount > multiplier) multiplier = game_plus_amount //reset the value of 'multiplier' in the case where the game_plus_amount is set to the price floor
  let game_only_amount = nearestDime(multiplier * game_only_ratio)
  if (game_only_ratio && game_only_amount < sub_floor) game_only_amount = sub_floor
  // buy values
  const buy_in_game_plus_amount = -nearestDime(game_plus_amount * buy_in_game_plus_ratio)
  const buy_in_game_only_amount = -nearestDime(game_only_amount * buy_in_game_only_ratio)

  return { game_plus_amount, game_only_amount, buy_in_game_plus_amount, buy_in_game_only_amount }
}