tibia-client/modules/game_market/market.lua

Market = {}

local protocol = runinsandbox('marketprotocol.lua')

marketWindow = nil
mainTabBar = nil
displaysTabBar = nil
offersTabBar = nil
selectionTabBar = nil

marketOffersPanel = nil
browsePanel = nil
searchPanel = nil
itemOffersPanel = nil
itemDetailsPanel = nil
itemStatsPanel = nil
myOffersPanel = nil
currentOffersPanel = nil
offerHistoryPanel = nil
itemsPanel = nil
selectedOffer = {}

nameLabel = nil
feeLabel = nil
totalPriceEdit = nil
piecePriceEdit = nil
amountEdit = nil
radioItemSet = nil
selectedItem = nil
offerTypeList = nil
categoryList = nil
subCategoryList = nil
slotFilterList = nil
createOfferButton = nil
anonymous = nil
filterButtons = {}

buyOfferTable = nil
sellOfferTable = nil
detailsTable = nil
buyStatsTable = nil
sellStatsTable = nil

marketOffers = {}
marketItems = {}
information = {}
currentItems = {}
fee = 0

local offerTableHeader = {
  {['text'] = 'Player Name', ['width'] = 100},
  {['text'] = 'Amount', ['width'] = 60},
  {['text'] = 'Total Price', ['width'] = 90},
  {['text'] = 'Piece Price', ['width'] = 80},
  {['text'] = 'Ends at', ['width'] = 120}
}

local function isItemValid(item, category)
  if item.marketData.category ~= category and category ~= MarketCategory[0] then
    return false
  end

  -- filter item
  local slotFilter = false
  if slotFilterList:isEnabled() then
    slotFilter = getMarketSlotFilterId(slotFilterList:getCurrentOption().text)
  end
  local marketData = item.marketData

  local filterVocation = filterButtons[MarketFilters.Vocation]:isChecked()
  local filterLevel = filterButtons[MarketFilters.Level]:isChecked()
  local filterDepot = filterButtons[MarketFilters.Depot]:isChecked()

  if slotFilter then
    if slotFilter ~= 255 and item.ptr:getClothSlot() ~= slotFilter then
      return false
    end
  end
  local player = g_game.getLocalPlayer()
  if filterLevel and marketData.requiredLevel and player:getLevel() < marketData.requiredLevel then
    return false
  end
  if filterVocation and marketData.restrictVocation > 0 then
    local voc = Bit.bit(information.vocation)
    if not Bit.hasBit(marketData.restrictVocation, voc) then
      return false
    end
  end
  if filterDepot and Market.depotContains(item.ptr:getId()) <= 0 then
    return false
  end
  return true
end

local function clearItems()
  currentItems = {}
  Market.refreshItemsWidget()
end

local function clearFilters()
  for _, filter in pairs(filterButtons) do
    if filter and filter:isChecked() then
      filter:setChecked(false)
    end
  end
end

local function refreshTypeList()
  offerTypeList:clearOptions()
  offerTypeList:addOption('Buy')

  if Market.isItemSelected() then
    if Market.depotContains(selectedItem.item.ptr:getId()) > 0 then
      offerTypeList:addOption('Sell')
    end
  end
end

local function refreshFee()
  feeLabel:setText('')
  fee = 0
end

local function updateOffers(offers)
  selectedOffer[MarketAction.Buy] = {}
  selectedOffer[MarketAction.Sell] = {}

  marketOffers[MarketAction.Buy] = {}
  marketOffers[MarketAction.Sell] = {}

  if not buyOfferTable or not sellOfferTable then
    return
  end
  buyOfferTable:clearData()
  sellOfferTable:clearData()
  balanceLabel:setColor('#bbbbbb')

  for k, offer in pairs(offers) do
    if offer and offer:getType() == MarketAction.Buy then
      local data = {
        {['text'] = offer:getPlayer(), ['width'] = 100},
        {['text'] = offer:getAmount(), ['width'] = 60},
        {['text'] = offer:getPrice()*offer:getAmount(), ['width'] = 90},
        {['text'] = offer:getPrice(), ['width'] = 80},
        {['text'] = string.gsub(os.date('%c', offer:getTimeStamp()), " ", "  "), ['width'] = 120}
      }
      buyOfferTable:addRow(data, offer:getId())
      table.insert(marketOffers[MarketAction.Buy], offer)
    else
      local data = {
        {['text'] = offer:getPlayer(), ['width'] = 100},
        {['text'] = offer:getAmount(), ['width'] = 60},
        {['text'] = offer:getPrice()*offer:getAmount(), ['width'] = 90},
        {['text'] = offer:getPrice(), ['width'] = 80},
        {['text'] = string.gsub(os.date('%c', offer:getTimeStamp()), " ", "  "), ['width'] = 120}
      }
      sellOfferTable:addRow(data, offer:getId())
      table.insert(marketOffers[MarketAction.Sell], offer)
    end
  end
end

local function updateDetails(itemId, descriptions, purchaseStats, saleStats)
  if not selectedItem then
    return
  end

  -- update item details
  detailsTable:clearData()
  for k, desc in pairs(descriptions) do
    local columns = {
      {['text'] = getMarketDescriptionName(desc[1])..':'},
      {['text'] = desc[2], ['width'] = 330}
    }
    detailsTable:addRow(columns)
  end

  -- update sale item statistics
  sellStatsTable:clearData()
  if table.empty(saleStats) then
    sellStatsTable:addRow({{['text'] = 'No information'}})
  else
    local transactions, totalPrice, highestPrice, lowestPrice = 0, 0, 0, 0
    for _, stat in pairs(saleStats) do
      if not stat:isNull() then
        transactions = transactions + stat:getTransactions()
        totalPrice = totalPrice + stat:getTotalPrice()
        local newHigh = stat:getHighestPrice()
        if newHigh > highestPrice then
          highestPrice = newHigh
        end
        local newLow = stat:getLowestPrice()
        -- ?? getting '4294967295' result from lowest price in 9.60 cipsoft
        if (lowestPrice == 0 or newLow < lowestPrice) and newLow ~= 4294967295 then
          lowestPrice = newLow
        end
      end
    end
    sellStatsTable:addRow({{['text'] = 'Total Transations:'}, 
      {['text'] = transactions, ['width'] = 270}})

    sellStatsTable:addRow({{['text'] = 'Highest Price:'}, 
      {['text'] = highestPrice, ['width'] = 270}})

    if totalPrice > 0 and transactions > 0 then
      sellStatsTable:addRow({{['text'] = 'Average Price:'}, 
        {['text'] = math.floor(totalPrice/transactions), ['width'] = 270}})
    else
      sellStatsTable:addRow({{['text'] = 'Average Price:'}, 
        {['text'] = 0, ['width'] = 270}})
    end

    sellStatsTable:addRow({{['text'] = 'Lowest Price:'}, 
      {['text'] = lowestPrice, ['width'] = 270}})
  end

  -- update buy item statistics
  buyStatsTable:clearData()
  if table.empty(purchaseStats) then
    buyStatsTable:addRow({{['text'] = 'No information'}})
  else
    local transactions, totalPrice, highestPrice, lowestPrice = 0, 0, 0, 0
    for _, stat in pairs(purchaseStats) do
      if not stat:isNull() then
        transactions = transactions + stat:getTransactions()
        totalPrice = totalPrice + stat:getTotalPrice()
        local newHigh = stat:getHighestPrice()
        if newHigh > highestPrice then
          highestPrice = newHigh
        end
        local newLow = stat:getLowestPrice()
        -- ?? getting '4294967295' result from lowest price in 9.60 cipsoft
        if (lowestPrice == 0 or newLow < lowestPrice) and newLow ~= 4294967295 then
          lowestPrice = newLow
        end
      end
    end
    buyStatsTable:addRow({{['text'] = 'Total Transations:'}, 
      {['text'] = transactions, ['width'] = 270}})

    buyStatsTable:addRow({{['text'] = 'Highest Price:'}, 
      {['text'] = highestPrice, ['width'] = 270}})

    if totalPrice > 0 and transactions > 0 then
      buyStatsTable:addRow({{['text'] = 'Average Price:'}, 
        {['text'] = math.floor(totalPrice/transactions), ['width'] = 270}})
    else
      buyStatsTable:addRow({{['text'] = 'Average Price:'}, 
        {['text'] = 0, ['width'] = 270}})
    end

    buyStatsTable:addRow({{['text'] = 'Lowest Price:'}, 
      {['text'] = lowestPrice, ['width'] = 270}})
  end
end

local function updateSelectedItem(newItem)
  selectedItem.item = newItem

  Market.resetCreateOffer()
  if Market.isItemSelected() then
    selectedItem:setItem(selectedItem.item.ptr)
    nameLabel:setText(selectedItem.item.marketData.name)

    Market.enableCreateOffer(true)-- update offer types
    MarketProtocol.sendMarketBrowse(selectedItem.item.ptr:getId()) -- send browsed msg
  else
    Market.Market.clearSelectedItem()
  end
end

local function updateBalance(balance)
  local balance = tonumber(balance)
  if not balance then
    return
  end

  if balance < 0 then balance = 0 end
  information.balance = balance

  balanceLabel = marketWindow:recursiveGetChildById('balanceLabel')
  balanceLabel:setText('Balance: '..balance..'gp')
  balanceLabel:resizeToText()
end

local function updateDepotItemCount(itemId, amount)
  if Market.depotContains(itemId) < amount then
    return false
  end
  for i = 1, #information.depotItems do
    local depotItem = information.depotItems[i]
    if depotItem and itemId == depotItem.ptr:getId() then
      local depotItemCount = depotItem.ptr:getCount()

      if depotItemCount <= 100 and depotItemCount >= amount then
        if (depotItemCount - amount) <= 0 then
          table.remove(information.depotItems, i)
        else
          depotItem.ptr:setCount(depotItemCount - amount)
          information.depotItems[i] = depotItem
        end
        return true
      else
        local removeCount = math.floor(amount/100)
        local remainder = amount % depotItemCount
        if remainder > 0 then
          removeCount = removeCount + 1
        end
        for i = 1, removeCount do
          if i == removeCount and remainder > 0 then
            updateDepotItemCount(itemId, remainder)
          else
            updateDepotItemCount(itemId, 100)
          end
        end
        return true
      end
    end
  end
end

local function updateFee(price, amount)
  fee = math.ceil(price / 100 * amount)
  if fee < 20 then
    fee = 20
  elseif fee > 1000 then
    fee = 1000
  end
  feeLabel:setText('Fee: '..fee)
  feeLabel:resizeToText()
end

local function onSelectSellOffer(table, selectedRow, previousSelectedRow)
  updateBalance()
  for _, offer in pairs(marketOffers[MarketAction.Sell]) do
    if offer:isEqual(selectedRow.ref) then
      selectedOffer[MarketAction.Sell] = offer
    end
  end

  local offer = selectedOffer[MarketAction.Sell]
  if offer then
    if offer:getTotalPrice() > information.balance then
      balanceLabel:setColor('#b22222')
    else
      local slice = (information.balance / 2)
      if (offer:getTotalPrice()/slice) * 100 <= 40 then
        color = '#008b00' -- green
      elseif (offer:getTotalPrice()/slice) * 100 <= 70 then
        color = '#eec900' -- yellow
      else
        color = '#ee9a00' -- orange
      end
      balanceLabel:setColor(color)
    end
  end
end

local function onSelectBuyOffer(table, selectedRow, previousSelectedRow)
  updateBalance()
  for _, offer in pairs(marketOffers[MarketAction.Buy]) do
    if offer:isEqual(selectedRow.ref) then
      selectedOffer[MarketAction.Buy] = offer
    end
  end
end

local function onChangeCategory(combobox, option)
  local id = getMarketCategoryId(option)
  if id == MarketCategory.MetaWeapons then
    -- enable and load weapons filter/items
    subCategoryList:setEnabled(true)
    slotFilterList:setEnabled(true)
    local subId = getMarketCategoryId(subCategoryList:getCurrentOption().text)
    Market.loadMarketItems(subId)
  else
    subCategoryList:setEnabled(false)
    slotFilterList:setEnabled(false)
    Market.loadMarketItems(id) -- load standard filter
  end
end

local function onChangeSubCategory(combobox, option)
  Market.loadMarketItems(getMarketCategoryId(option))
  slotFilterList:clearOptions()

  local subId = getMarketCategoryId(subCategoryList:getCurrentOption().text)
  local slots = MarketCategoryWeapons[subId].slots
  for _, slot in pairs(slots) do
    if table.hasKey(MarketSlotFilters, slot) then
      slotFilterList:addOption(MarketSlotFilters[slot])
    end
  end
  slotFilterList:setEnabled(true)
end

local function onChangeSlotFilter(combobox, option)
  Market.updateCurrentItems()
end

local function onChangeOfferType(combobox, option)
  local id = selectedItem.item.ptr:getId()
  if option == 'Sell' then
    local max = Market.depotContains(id)
    amountEdit:setMaximum(max)
  else
    amountEdit:setMaximum(999999)
  end
end

local function onTotalPriceChange()
  local totalPrice = totalPriceEdit:getValue()
  local piecePrice = piecePriceEdit:getValue()
  local amount = amountEdit:getValue()

  piecePriceEdit:setValue(math.floor(totalPrice/amount))
  if Market.isItemSelected() then
    updateFee(totalPrice, amount)
  end
end

local function onPiecePriceChange()
  local totalPrice = totalPriceEdit:getValue()
  local piecePrice = piecePriceEdit:getValue()
  local amount = amountEdit:getValue()

  totalPriceEdit:setValue(piecePrice*amount)
  if Market.isItemSelected() then
    updateFee(totalPrice, amount)
  end
end

local function onAmountChange()
  local totalPrice = totalPriceEdit:getValue()
  local piecePrice = piecePriceEdit:getValue()
  local amount = amountEdit:getValue()

  piecePriceEdit:setValue(math.floor(totalPrice/amount))
  totalPriceEdit:setValue(piecePrice*amount)
  if Market.isItemSelected() then
    updateFee(totalPrice, amount)
  end
end

local function initMarketItems()
  -- populate all market items
  marketItems = {}
  local types = g_things.findThingTypeByAttr(ThingAttrMarket)
  for i = 1, #types do
    local t = types[i]
    local newItem = Item.create(t:getId())
    if newItem then
      local marketData = t:getMarketData()
      if not table.empty(marketData) then
        local item = {
          ptr = newItem,
          marketData = marketData
        }
        marketItems[#marketItems+1] = item
      end
    end
  end
end

local function initInterface()
  -- TODO: clean this up
  -- setup main tabs
  mainTabBar = marketWindow:getChildById('mainTabBar')
  mainTabBar:setContentWidget(marketWindow:getChildById('mainTabContent'))

  -- setup 'Market Offer' section tabs
  marketOffersPanel = g_ui.loadUI('ui/marketoffers.otui')
  mainTabBar:addTab(tr('Market Offers'), marketOffersPanel)

  selectionTabBar = marketOffersPanel:getChildById('leftTabBar')
  selectionTabBar:setContentWidget(marketOffersPanel:getChildById('leftTabContent'))

  browsePanel = g_ui.loadUI('ui/marketoffers/browse.otui')
  selectionTabBar:addTab(tr('Browse'), browsePanel)

  searchPanel = g_ui.loadUI('ui/marketoffers/search.otui')
  selectionTabBar:addTab(tr('Search'), searchPanel)

  displaysTabBar = marketOffersPanel:getChildById('rightTabBar')
  displaysTabBar:setContentWidget(marketOffersPanel:getChildById('rightTabContent'))

  itemOffersPanel = g_ui.loadUI('ui/marketoffers/itemoffers.otui')
  displaysTabBar:addTab(tr('Offers'), itemOffersPanel)

  itemDetailsPanel = g_ui.loadUI('ui/marketoffers/itemdetails.otui')
  displaysTabBar:addTab(tr('Details'), itemDetailsPanel)

  itemStatsPanel = g_ui.loadUI('ui/marketoffers/itemstats.otui')
  displaysTabBar:addTab(tr('Statistics'), itemStatsPanel)

  -- setup 'My Offer' section tabs
  myOffersPanel = g_ui.loadUI('ui/myoffers.otui')
  mainTabBar:addTab(tr('My Offers'), myOffersPanel)

  offersTabBar = myOffersPanel:getChildById('offersTabBar')
  offersTabBar:setContentWidget(myOffersPanel:getChildById('offersTabContent'))

  currentOffersPanel = g_ui.loadUI('ui/myoffers/currentoffers.otui')
  offersTabBar:addTab(tr('Current Offers'), currentOffersPanel)

  offerHistoryPanel = g_ui.loadUI('ui/myoffers/offerhistory.otui')
  offersTabBar:addTab(tr('Offer History'), offerHistoryPanel)

  -- setup selected item
  nameLabel = marketOffersPanel:getChildById('nameLabel')
  selectedItem = marketOffersPanel:getChildById('selectedItem')
  selectedItem.item = {}

  -- setup create new offer
  totalPriceEdit = marketOffersPanel:getChildById('totalPriceEdit')
  piecePriceEdit = marketOffersPanel:getChildById('piecePriceEdit')
  amountEdit = marketOffersPanel:getChildById('amountEdit')
  feeLabel = marketOffersPanel:getChildById('feeLabel')
  totalPriceEdit.onValueChange = onTotalPriceChange
  piecePriceEdit.onValueChange = onPiecePriceChange
  amountEdit.onValueChange = onAmountChange

  offerTypeList = marketOffersPanel:getChildById('offerTypeComboBox')
  offerTypeList.onOptionChange = onChangeOfferType

  anonymous = marketOffersPanel:getChildById('anonymousCheckBox')
  createOfferButton = marketOffersPanel:getChildById('createOfferButton')
  createOfferButton.onClick = Market.createNewOffer
  Market.enableCreateOffer(false)

  -- setup filters
  filterButtons[MarketFilters.Vocation] = browsePanel:getChildById('filterVocation')
  filterButtons[MarketFilters.Level] = browsePanel:getChildById('filterLevel')
  filterButtons[MarketFilters.Depot] = browsePanel:getChildById('filterDepot')

  categoryList = browsePanel:getChildById('categoryComboBox')
  subCategoryList = browsePanel:getChildById('subCategoryComboBox')
  slotFilterList = browsePanel:getChildById('typeComboBox')

  slotFilterList:addOption(MarketSlotFilters[255])
  slotFilterList:setEnabled(false)

  for i = MarketCategory.First, MarketCategory.Last do
    if i >= MarketCategory.Ammunition and i <= MarketCategory.WandsRods then
      subCategoryList:addOption(getMarketCategoryName(i))
    else
      categoryList:addOption(getMarketCategoryName(i))
    end
  end
  categoryList:addOption(getMarketCategoryName(255)) -- meta weapons
  categoryList:setCurrentOption(getMarketCategoryName(MarketCategory.First))
  subCategoryList:setEnabled(false)

  -- hook item filters
  categoryList.onOptionChange = onChangeCategory
  subCategoryList.onOptionChange = onChangeSubCategory
  slotFilterList.onOptionChange = onChangeSlotFilter

  -- get tables
  buyOfferTable = itemOffersPanel:recursiveGetChildById('buyingTable')
  sellOfferTable = itemOffersPanel:recursiveGetChildById('sellingTable')
  detailsTable = itemDetailsPanel:recursiveGetChildById('detailsTable')
  buyStatsTable = itemStatsPanel:recursiveGetChildById('buyStatsTable')
  sellStatsTable = itemStatsPanel:recursiveGetChildById('sellStatsTable')
  buyOfferTable.onSelectionChange = onSelectBuyOffer
  sellOfferTable.onSelectionChange = onSelectSellOffer
end

function init()
  g_ui.importStyle('market.otui')
  g_ui.importStyle('ui/general/markettabs.otui')
  g_ui.importStyle('ui/general/marketbuttons.otui')
  g_ui.importStyle('ui/general/marketcombobox.otui')
  
  protocol.initProtocol()
  connect(g_game, { onGameEnd = Market.reset })
  marketWindow = g_ui.createWidget('MarketWindow', rootWidget)
  marketWindow:hide()

  initInterface() -- build interface
  initMarketItems()
end

function terminate()
  protocol.terminateProtocol()
  disconnect(g_game, { onGameEnd = Market.reset })

  if marketWindow then
    marketWindow:destroy()
  end

  Market = nil
end

function Market.reset()
  categoryList:setCurrentOption(getMarketCategoryName(MarketCategory.First))
  Market.clearSelectedItem()
  clearFilters()
  clearItems()
end

function Market.clearSelectedItem()
  if selectedItem and selectedItem.item.ptr then
    Market.resetCreateOffer()
    offerTypeList:clearOptions()
    offerTypeList:setText('Please Select')
    offerTypeList:setEnabled(false)

    updateOffers({})
    radioItemSet:selectWidget(nil)
    nameLabel:setText('No item selected.')

    selectedItem:setItem(nil)
    selectedItem = {}

    detailsTable:clearData()
    buyStatsTable:clearData()
    sellStatsTable:clearData()

    Market.enableCreateOffer(false)
  end
end

function Market.isItemSelected()
  return selectedItem and not table.empty(selectedItem.item) and selectedItem.item.ptr
end

function Market.depotContains(itemId)
  local count = 0
  for i = 1, #information.depotItems do
    local item = information.depotItems[i]
    if item and item.ptr:getId() == itemId then
      count = count + item.ptr:getCount()
    end
  end
  return count
end

function Market.enableCreateOffer(enable)
  offerTypeList:setEnabled(enable)
  totalPriceEdit:setEnabled(enable)
  piecePriceEdit:setEnabled(enable)
  amountEdit:setEnabled(enable)
  anonymous:setEnabled(enable)
  createOfferButton:setEnabled(enable)
  local prevAmountButton = marketOffersPanel:recursiveGetChildById('prevAmountButton')
  local nextAmountButton = marketOffersPanel:recursiveGetChildById('nextAmountButton')
  prevAmountButton:setEnabled(enable)
  nextAmountButton:setEnabled(enable)
end

function Market.incrementAmount()
  amountEdit:setValue(amountEdit:getValue() + 1)
  -- change total price/piece price according
end

function Market.decrementAmount()
  amountEdit:setValue(amountEdit:getValue() - 1)
  -- change total price/piece price according
end

function Market.updateCurrentItems()
  local id = getMarketCategoryId(categoryList:getCurrentOption().text)
  if id == MarketCategory.MetaWeapons then
    id = getMarketCategoryId(subCategoryList:getCurrentOption().text)
  end
  Market.loadMarketItems(id)
end

function Market.resetCreateOffer()
  piecePriceEdit:setValue(1)
  totalPriceEdit:setValue(1)
  amountEdit:setValue(1)
  refreshTypeList()
  refreshFee()
end

function Market.refreshItemsWidget(selectItem)
  local selectItem = selectItem or 0
  itemsPanel = browsePanel:recursiveGetChildById('itemsPanel')
  local layout = itemsPanel:getLayout()
  layout:disableUpdates()

  Market.clearSelectedItem()
  itemsPanel:destroyChildren()

  if radioItemSet then
    radioItemSet:destroy()
  end
  radioItemSet = UIRadioGroup.create()

  local select = nil
  for i = 1, #currentItems do
    local item = currentItems[i]
    local itemBox = g_ui.createWidget('MarketItemBox', itemsPanel)
    itemBox.onCheckChange = Market.onItemBoxChecked
    itemBox.item = item
    if selectItem > 0 and item.ptr:getId() == selectItem then
      select = itemBox
    end

    local itemWidget = itemBox:getChildById('item')
    item.ptr:setCount(1) -- reset item count for image
    itemWidget:setItem(item.ptr)
    local amount = Market.depotContains(item.ptr:getId())
    if amount > 0 then
      itemWidget:setText(amount)
      itemBox:setTooltip('You have '.. amount ..' in your depot.')
    end

    radioItemSet:addWidget(itemBox)
  end
  if select then
    select:setChecked(true)
  end

  layout:enableUpdates()
  layout:update()
end

function Market.loadMarketItems(category)
  if table.empty(marketItems) then
    initMarketItems()
  end

  clearItems()
  for i = 1, #marketItems do
    local item = marketItems[i]
    if isItemValid(item, category) then
      table.insert(currentItems, item)
    end
  end

  Market.refreshItemsWidget()
end

function Market.loadDepotItems(depotItems)
  information.depotItems = {}

  local items = {}
  for i = 1, #depotItems do
    local data = depotItems[i]
    local id, count = data[1], data[2]

    if count > 100 then
      local createCount = math.floor(count/100)
      local remainder = count % 100
      if remainder > 0 then
        createCount = createCount + 1
      end
      for i = 1, createCount do
        local newItem = Item.create(id)
        if i == createCount and remainder > 0 then
          newItem:setCount(remainder)
        else
          newItem:setCount(100)
        end
        table.insert(items, newItem)
      end
    else
      local newItem = Item.create(id)
      newItem:setCount(count)
      table.insert(items, newItem)
    end
  end

  for _, newItem in pairs(items) do
    local marketData = newItem:getMarketData()

    if not table.empty(marketData) then
      local item = {
        ptr = newItem,
        marketData = marketData
      }
      table.insert(information.depotItems, item)
    end
  end
end

function Market.createNewOffer()
  local type = offerTypeList:getCurrentOption().text
  if type == 'Sell' then
    type = MarketAction.Sell
  else
    type = MarketAction.Buy
  end

  if not Market.isItemSelected() then
    return
  end
  local item = selectedItem.item
  local spriteId = item.ptr:getId()

  local piecePrice = piecePriceEdit:getValue()
  local totalPrice = totalPriceEdit:getValue()
  local amount = amountEdit:getValue()
  local anonymous = anonymous:isChecked() and 1 or 0

  local errorMsg = ''
  if piecePrice > piecePriceEdit.maximum then
    errorMsg = errorMsg..'Price is too high.\n'
  elseif piecePrice < piecePriceEdit.minimum then
    errorMsg = errorMsg..'Price is too low.\n'
  end
  if amount > amountEdit.maximum then
    errorMsg = errorMsg..'Amount is too high.\n'
  elseif amount < amountEdit.minimum then
    errorMsg = errorMsg..'Amount is too low.\n'
  end

  if errorMsg ~= '' then
    UIMessageBox.display('Error', errorMsg, MessageBoxOk)
    return
  end

  MarketProtocol.sendMarketCreateOffer(type, spriteId, amount, piecePrice, anonymous)
  if type == MarketAction.Sell then
    updateDepotItemCount(spriteId, amount) -- remove count from depot tmp
    Market.refreshItemsWidget(spriteId)
  end
  Market.resetCreateOffer()
end

function Market.onItemBoxChecked(widget)
  if widget:isChecked() then
    updateSelectedItem(widget.item)
  end
end

function Market.onMarketEnter(depotItems, offers, balance, vocation)
  marketOffers[MarketAction.Buy] = {}
  marketOffers[MarketAction.Sell] = {}

  updateBalance(balance)
  information.totalOffers = offers
  if vocation < 0 then
    local player = g_game.getLocalPlayer()
    if player then information.vocation = player:getVocation() end
  else
    -- vocation must be compatible with < 950
    information.vocation = vocation
  end

  Market.loadDepotItems(depotItems)
  if table.empty(currentItems) then
    Market.loadMarketItems(MarketCategory.First)
  --[[else
    -- TODO: Create function to handle this on showing market (seperate from parsing!)
    if Market.isItemSelected() then
      local spriteId = selectedItem.item.ptr:getId()
      Market.refreshItemsWidget(spriteId)
    end]]
  end

  -- build offer table header
  if buyOfferTable and not buyOfferTable:hasHeader() then
    buyOfferTable:addHeaderRow(offerTableHeader)
  end
  if sellOfferTable and not sellOfferTable:hasHeader() then
    sellOfferTable:addHeaderRow(offerTableHeader)
  end

  if g_game.isOnline() then
    marketWindow:lock()
    marketWindow:show()
  end
end

function Market.onMarketLeave()
  marketWindow:hide()
end

function Market.onMarketDetail(itemId, descriptions, purchaseStats, saleStats)
  updateDetails(itemId, descriptions, purchaseStats, saleStats)
end

function Market.onMarketBrowse(offers)
  updateOffers(offers)
end