Module:Shop

Documentation for this module may be created at Module:Shop/doc

local p = {}

local Shared = require('Module:Shared')
local Constants = require('Module:Constants')
local GameData = require('Module:GameData')
local Items = require('Module:Items')
local Icons = require('Module:Icons')

-- Overrides for various items, mostly relating to icon overrides
local purchOverrides = {
	["Extra Bank Slot"] = { icon = {'Bank Slot', 'upgrade'}, link = 'Bank Slot' },
	-- Golbin Raid items
	["Reduce Wave Skip Cost"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Food Bonus"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Ammo Gatherer"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Rune Pouch"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Increase Starting Prayer Points"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Unlock Combat Passive Slot"] = { icon = {'Melvor Logo', nil}, link = nil },
	["Prayer"] = { icon = {'Prayer', 'skill'}, link = nil },
	["Increase Prayer Level"] = { icon = {'Prayer', 'skill'}, link = nil },
	["Increase Prayer Points gained per Wave Completion"] = { icon = {'Prayer', 'skill'}, link = nil },
	["Faster Golbin Spawns"] = { icon = {'Timer', nil}, link = nil },
	["Golbin Crate"] = { icon = {'Golbin Crate', 'upgrade'}, link = nil }
}

function p.getPurchase(purchaseName)
    local purchList = p.getPurchases(function(purch) return p._getPurchaseName(purch) == purchaseName end)
    if purchList ~= nil and not Shared.tableIsEmpty(purchList) then
        return purchList[1]
    end
end

function p.getPurchaseByID(id)
	return GameData.getEntityByID('shopPurchases', id)
end

function p.getPurchases(checkFunc)
    return GameData.getEntities('shopPurchases', checkFunc)
end

function p._getPurchaseStat(purchase, stat, inline)
	local displayInline = (inline ~= nil and inline or false)
	if stat == 'cost' then
		return p.getCostString(purchase.cost, displayInline)
	elseif stat == 'requirements' then
		return p.getRequirementString(purchase.purchaseRequirements)
	elseif stat == 'contents' then
		return p._getPurchaseContents(purchase, true)
	elseif stat == 'type' then
		return p._getPurchaseType(purchase)
	elseif stat == 'buyLimit' then
		return p._getPurchaseBuyLimit(purchase, not displayInline)
	else
		return purchase[stat]
	end
end

function p.getPurchaseStat(frame)
	local args = frame.args ~= nil and frame.args or frame
	local purchaseName = args[1]
	local statName = args[2]
	local displayInline = (args['inline'] ~= nil and string.lower(args['inline']) == 'true' or false)
	-- Hack for some purchases existing twice with varying costs (e.g. 'Extra Equipment Set')
	local purchaseList = {}
	if statName == 'cost' then
		purchaseList = p.getPurchases(function(purch) return p._getPurchaseName(purch) == purchaseName end)
	else
		purchaseList = {p.getPurchase(purchaseName)}
	end

	if Shared.tableIsEmpty(purchaseList) then
		return "ERROR: Couldn't find purchase with name '" .. purchaseName .. "'[[Category:Pages with script errors]]"
	else
		local resultPart = {}
		for i, purchase in ipairs(purchaseList) do
			table.insert(resultPart, p._getPurchaseStat(purchase, statName, displayInline))
		end
		return table.concat(resultPart, ' or ')
	end
end

function p._getPurchaseName(purch)
    if purch.customName ~= nil then
        return purch.customName
    elseif purch.contains ~= nil then
    	local item = nil
        if purch.contains.items ~= nil and not Shared.tableIsEmpty(purch.contains.items) then
            item = Items.getItemByID(purch.contains.items[1].id)
        elseif purch.contains.itemCharges ~= nil and not Shared.tableIsEmpty(purch.contains.itemCharges) then
        	item = Items.getItemByID(purch.contains.itemCharges.id)
        end
        if item ~= nil then
            return item.name
        end
        if purch.contains.petID ~= nil then
            local pet = GameData.getEntityByID('pets', purch.contains.petID)
            if pet ~= nil then
                return pet.name
            end
        end
    end
    return ''
end

function p._getPurchaseDescription(purch)
	if purch.customDescription ~= nil then
		local templateData = p._getPurchaseTemplateData(purch)
		return Shared.applyTemplateData(purch.customDescription, templateData)
	elseif purch.contains ~= nil then
		local item = nil
		if purch.contains.items ~= nil and Shared.tableCount(purch.contains.items) == 1 then
			item = Items.getItemByID(purch.contains.items[1].id)
		elseif purch.contains.itemCharges ~= nil then
			item = Items.getItemByID(purch.contains.itemCharges.id)
		end
		if item ~= nil then
			if item.customDescription ~= nil then
				return item.customDescription
			elseif item.modifiers ~= nil then
				return Constants.getModifiersText(item.modifiers, false)
			end
		end
	end
	return ''
end

function p.getCostString(cost, inline)
	local displayInline = (inline ~= nil and inline or false)
	local costArray = {}
    local currencies = {'gp', 'slayerCoins', 'raidCoins'}
    for i, currency in ipairs(currencies) do
        if cost[currency] ~= nil then
            local costStr = p.getCurrencyCostString(cost[currency], currency)
            if costStr ~= nil then
                table.insert(costArray, costStr)
            end
        end
    end
	if cost.items ~= nil and not Shared.tableIsEmpty(cost.items) then
        local itemArray = {}
		for i, itemCost in ipairs(cost.items) do
			local item = Items.getItemByID(itemCost.id)
            if item ~= nil then
			    table.insert(itemArray, Icons.Icon({item.name, type="item", notext=(not displayInline and true or nil), qty=itemCost.quantity}))
            end
		end
        if not Shared.tableIsEmpty(itemArray) then
            table.insert(costArray, table.concat(itemArray, ', '))
        end
	end

    if not Shared.tableIsEmpty(costArray) then
        local sep, lastSep = '<br/>', '<br/>'
        if displayInline then
            sep = ', '
            lastSep = Shared.tableCount(costArray) > 2 and ', and ' or ' and '
        end
        return mw.text.listToText(costArray, sep, lastSep)
    end
end

-- Generates description template data. See: shop.js, getDescriptionTemplateData()
function p._getPurchaseTemplateData(purchase)
	-- qty is a static value of 1 for Bank slots
	local templateData = { qty = 1 }
	if purchase.contains ~= nil and purchase.contains.items ~= nil then
		for i, itemDef in ipairs(purchase.contains.items) do
			templateData['qty' .. i] = itemDef.quantity
		end
	end
	return templateData
end

function p.getCurrencyCostString(cost, currency)
    local decoratorList = {
        ["gp"] = Icons.GP,
        ["slayerCoins"] = Icons.SC,
        ["raidCoins"] = Icons.RC
    }
    local decorator = nil
    if currency ~= nil then
        decorator = decoratorList[currency]
    end
    if decorator == nil then
        decorator = function(cost) return cost end
    end

    if cost.type == 'BankSlot' then
        -- Unusual bit of code that basically evaluates wikitext '<math>C_b</math>*'
        return mw.getCurrentFrame():callParserFunction('#tag:math', {'C_b'}) .. '*'
    elseif cost.type == 'Linear' and (cost.initial > 0 or cost.scaling > 0) then
        return decorator(cost.initial) .. '<br/>+' .. decorator(cost.scaling) .. ' for each purchase'
    elseif cost.type == 'Glove' or cost.type == 'Fixed' and cost.cost > 0 then
        -- Type Glove exists in game so the Merchan's Permit cost reduction can be applied,
        -- it makes no difference here
        return decorator(cost.cost)
    end
end

function p.getRequirementString(reqs)
	if reqs == nil or Shared.tableIsEmpty(reqs) then
		return 'None'
	end

	local reqArray = {}
    for i, req in ipairs(reqs) do
        if req.type == 'SkillLevel' then
            local skillName = Constants.getSkillName(req.skillID)
            if skillName ~= nil then
                table.insert(reqArray, Icons._SkillReq(skillName, req.level))
            end
        elseif req.type == 'DungeonCompletion' then
            local dung = GameData.getEntityByID('dungeons', req.dungeonID)
            if dung ~= nil then
                local dungStr = 'Complete ' .. Icons.Icon({dung.name, type='dungeon'})
                if req.count > 1 then
                    dungStr = dungStr .. ' ' .. Shared.formatnum(req.count) .. ' times'
                end
                table.insert(reqArray, dungStr)
            end
        elseif req.type == 'SlayerTask' then
            table.insert(reqArray, 'Complete ' .. Shared.formatnum(req.count) .. ' ' .. req.tier .. ' Slayer Tasks')
        elseif req.type == 'TownshipTask' then
            table.insert(reqArray, 'Complete ' .. Shared.formatnum(req.count) .. ' Township Tasks')
        elseif req.type == 'TownshipBuilding' then
            local tsData = GameData.getSkillData('melvorD:Township')
            if tsData ~= nil and tsData.buildings ~= nil then
                local building = GameData.getEntityByID(tsData.buildings, req.buildingID)
                if building ~= nil then
                    table.insert(reqArray, 'Have ' .. Shared.formatnum(req.count) .. ' ' .. building.name .. ' actively built in Township')
                end
            end
        elseif req.type == 'ShopPurchase' then
        	local shopPurch = p.getPurchaseByID(req.purchaseID)
        	if shopPurch ~= nil then
        		table.insert(reqArray, p._getPurchaseIcon({shopPurch}) .. ' Purchased')
        	end
        elseif req.type == 'Completion' then
            local ns = GameData.getEntityByID('namespaces', req.namespace)
            if ns ~= nil then
                table.insert(reqArray, req.percent .. '% ' .. ns.displayName .. ' Completion')
            end
        elseif req.type == 'AllSkillLevels' then
            local reqText = 'Level ' .. req.level .. ' in all skills'
            if req.exceptions ~= nil and not Shared.tableIsEmpty(req.exceptions) then
                local exceptSkills = {}
                for i, skillID in ipairs(req.exceptions) do
                    local skillName = Constants.getSkillName(skillID)
                    if skillName ~= nil then
                        table.insert(exceptSkills, Icons.Icon({skillName, type='skill'}))
                    end
                end
                reqText = reqText .. ' except for ' .. table.concat(exceptSkills, ', ')
            end
            table.insert(reqArray, reqText)
        else
            table.insert(reqArray, 'ERROR: Unknown requirement: ' .. (req.type or 'nil') .. '[[Category:Pages with script errors]]')
        end
    end

    if Shared.tableIsEmpty(reqArray) then
        return 'None'
    else
	    return table.concat(reqArray, '<br/>')
    end
end

function p._getPurchaseType(purchase)
	if purchase.contains == nil then
		return 'Unknown'
	elseif purchase.contains.pet ~= nil then
		return 'Pet'
	elseif purchase.contains.itemCharges ~= nil then
		return 'Item'
	elseif purchase.contains.modifiers ~= nil or purchase.contains.items == nil or Shared.tableCount(purchase.contains.items) == 0 then
		return 'Upgrade'
	elseif purchase.contains.items ~= nil and Shared.tableCount(purchase.contains.items) > 1 then
		return 'Item Bundle'
	else
		return 'Item'
	end
end

function p._getPurchaseContents(purchase, asList)
	if asList == nil then asList = true end
	local containArray = {}
	local GPTotal = 0
	if purchase.contains ~= nil then
		if purchase.contains.items ~= nil and not Shared.tableIsEmpty(purchase.contains.items) then
			if not asList then
				table.insert(containArray, '{| class="wikitable sortable stickyHeader"')
				table.insert(containArray, '|- class="headerRow-0"')
				table.insert(containArray, '! colspan="2" | Item !! Quantity !! Price')
			end
			for i, itemLine in ipairs(purchase.contains.items) do
				local item = Items.getItemByID(itemLine.id)
	            local itemQty = itemLine.quantity
				if asList then
					table.insert(containArray, Icons.Icon({item.name, type='item', qty=itemQty}))
				else
					local GPVal = item.sellsFor * itemQty
					GPTotal = GPTotal + GPVal
					table.insert(containArray, '|-\r\n| style="min-width:25px"| ' .. Icons.Icon({item.name, type='item', notext=true, size='25'}))
					table.insert(containArray, '| ' .. Icons.Icon({item.name, type='item', noicon=true}) .. '\r\n| data-sort-value="' .. itemQty .. '" style="text-align:right" | ' .. Shared.formatnum(itemQty))
					table.insert(containArray, '| data-sort-value="' .. GPVal .. '"| ' .. Icons.GP(GPVal))
				end
			end
		end
		if purchase.contains.itemCharges ~= nil and purchase.contains.itemCharges.quantity > 0 then
	        local gloveItem = Items.getItemByID(purchase.contains.itemCharges.id)
	        local chargeQty = purchase.contains.itemCharges.quantity
	        if gloveItem ~= nil then
	            if asList then
	                table.insert(containArray, '+'..Shared.formatnum(chargeQty)..' '..Icons.Icon({gloveItem.name, type='item'})..' Charges')
	            else
	                table.insert(containArray, '|-\r\n| style="min-width:25px"| ' .. Icons.Icon({gloveItem.name, type='item', notext=true, size='25'}))
	                table.insert(containArray, '| ' .. Icons.Icon({gloveItem.name, type='item', noicon=true}) .. ' Charges\r\n| data-sort-value="' .. chargeQty .. '" style="text-align:right" | ' .. Shared.formatnum(chargeQty))
	                table.insert(containArray, '| data-sort-value="0"| ' .. Icons.GP(0))
	            end
	        end
		end
	end
	if not asList and not Shared.tableIsEmpty(containArray) then
		table.insert(containArray, '|- class="sortbottom"\r\n! colspan="3"| Total\r\n| ' .. Icons.GP(GPTotal) .. '\r\n|}')
	end

	local delim = (asList and '<br/>' or '\r\n')
	return table.concat(containArray, delim)
end

function p.getPurchaseContents(frame)
	local args = frame.args ~= nil and frame.args or frame
	local purchaseName = args[1]
	local asList = (args[2] ~= nil and string.upper(args[2]) == 'TRUE')
	local purchase = p.getPurchase(purchaseName)

	if purchase == nil then
		return "ERROR: Couldn't find purchase with name '" .. purchaseName .. "'[[Category:Pages with script errors]]"
	else
		return p._getPurchaseContents(purchase, asList)
	end
end

function p._getPurchaseBuyLimit(purchase, asList)
	if asList == nil then asList = true end
    local defaultLimit = (purchase.defaultBuyLimit == 0 and 'Unlimited') or Shared.formatnum(purchase.defaultBuyLimit)
    if purchase.buyLimitOverrides == nil or Shared.tableIsEmpty(purchase.buyLimitOverrides) then
        -- Same limit for all game modes
        return defaultLimit
    else
        -- The limit varies depending on game mode
        local limitTable = {}
        local gamemodeHasIcon = { 'melvorF:Hardcore', 'melvorF:Adventure' }
        for i, buyLimit in ipairs(purchase.buyLimitOverrides) do
            local gamemode = GameData.getEntityByID('gamemodes', buyLimit.gamemodeID)
            if gamemode ~= nil then
                local gamemodeText = nil
                if Shared.contains(gamemodeHasIcon, gamemode.id) then
                    gamemodeText = Icons.Icon({gamemode.name, notext=(not asList or nil)})
                else
                    gamemodeText = '[[Game Mode#' .. gamemode.name .. '|' .. gamemode.name .. ']]'
                end
                local limitText = (buyLimit.maximum == 0 and 'Unlimited') or Shared.formatnum(buyLimit.maximum)
                table.insert(limitTable, limitText .. (asList and ' for ' or ' ') .. gamemodeText)
            end
        end
        table.insert(limitTable, defaultLimit .. (asList and ' for ' or ' ') .. 'All other game modes')
        return table.concat(limitTable, (asList and ' or ' or '<br/>'))
    end
end

function p.getPurchaseBuyLimit(frame)
	local args = frame.args ~= nil and frame.args or frame
	local purchaseName = args[1]
	local asList = (args[2] ~= nil and string.upper(args[2]) == 'TRUE')
	local purchase = p.getPurchase(purchaseName)
	
	if purchase == nil then
		return "ERROR: Couldn't find purchase with name '" .. purchaseName .. "'[[Category:Pages with script errors]]"
	else
		return p._getPurchaseBuyLimit(purchase, asList)
	end
end

-- Accept similar arguments to Icons.Icon
function p._getPurchaseIcon(iconArgs)
	local purchase = iconArgs[1]
    local purchaseName = p._getPurchaseName(purchase)
	local override = purchOverrides[purchaseName]
	local purchType = p._getPurchaseType(purchase)
	-- Amend iconArgs before passing to Icons.Icon()
	iconArgs[1] = ((override ~= nil and override.icon[1]) or purchaseName)
	if override ~= nil then
		iconArgs['type'] = override.icon[2]
		if override.link == nil then
			iconArgs['nolink'] = true
		end
	else
		iconArgs['type'] = (purchType == 'Item Bundle' and 'item') or string.lower(purchType)
	end

	return Icons.Icon(iconArgs)
end

function p.getPurchaseIcon(frame)
	local args = frame.args ~= nil and frame.args or frame
	local purchaseName = args[1]
	local purchase = p.getPurchase(purchaseName)

	if purchase == nil then
		return "ERROR: Couldn't find purchase with name '" .. tostring(purchaseName) .. "'[[Category:Pages with script errors]]"
	else
		args[1] = purchase
		return p._getPurchaseIcon(args)
	end
end

function p._getPurchaseSortValue(purchase)
	local costCurrencies = {'gp', 'slayerCoins', 'raidCoins'}
	for j, curr in ipairs(costCurrencies) do
		local costAmt = purchase.cost[curr]
        if costAmt.type == 'BankSlot' then
            return -1
        elseif costAmt.type == 'Linear' then
            return costAmt.initial
        elseif costAmt.type == 'Glove' or costAmt.type == 'Fixed' and costAmt.cost > 0 then
            return costAmt.cost
        end
    end
end

function p._getShopTable(Purchases, options)
	local availableColumns = { 'Purchase', 'Type', 'Description', 'Cost', 'Requirements', 'Buy Limit' }
	local headerPropsDefault = {
		["Purchase"] = 'colspan="2"',
		["Cost"] = 'style="min-width:100px"'
	}
	local usedColumns, purchHeader, sortOrder, headerProps, stickyHeader = {}, 'Purchase', nil, {}, true

	-- Process options if specified
	if options ~= nil and type(options) == 'table' then
		-- Custom columns
		if options.columns ~= nil and type(options.columns) == 'table' then
			for i, column in ipairs(options.columns) do
				if Shared.contains(availableColumns, column) then
					table.insert(usedColumns, column)
				end
			end
		end
		-- Purchase column header text
		if options.purchaseHeader ~= nil and type(options.purchaseHeader) == 'string' then
			purchHeader = options.purchaseHeader
		end
		-- Custom sort order
		if options.sortOrder ~= nil and type(options.sortOrder) == 'function' then
			sortOrder = options.sortOrder
		end
		-- Header properties
		if options.headerProps ~= nil and type(options.headerProps) == 'table' then
			headerProps = options.headerProps
		end
		-- Sticky header class
		if options.stickyHeader ~= nil then
			if type(options.stickyHeader) == 'boolean' then
				stickyHeader = options.stickyHeader
			elseif type(options.stickyHeader) == 'string' and string.lower(options.stickyHeader) == 'false' then
				stickyHeader = false
			end
		end
	end
	-- Use default columns if no custom columns specified
	if Shared.tableCount(usedColumns) == 0 then
		usedColumns = availableColumns
	end
	if Shared.tableCount(headerProps) == 0 then
		headerProps = headerPropsDefault
	end

	-- Begin output generation
	local resultPart = {}
	-- Generate header
	table.insert(resultPart, '{| class="wikitable sortable' .. (stickyHeader and ' stickyHeader' or '') .. '"')
	table.insert(resultPart, '|- class="headerRow-0"')
	for i, column in ipairs(usedColumns) do
		local prop = headerProps[column]
		table.insert(resultPart, '!' .. (prop and prop .. '| ' or ' ') .. (column == 'Purchase' and purchHeader or column))
	end

	if sortOrder == nil then
		Purchases = GameData.sortByOrderTable(Purchases, GameData.rawData.shopDisplayOrder, true)
	else
		table.sort(Purchases, sortOrder)
	end
	for i, purchase in ipairs(Purchases) do
        local purchName = p._getPurchaseName(purchase)
		local purchOverride = nil
		if purchOverrides ~= nil then
			purchOverride = purchOverrides[purchName]
		end

		local purchType = p._getPurchaseType(purchase)
		local iconNoLink = nil
		local purchLink = ''
		local costString = p.getCostString(purchase.cost, false)
		if purchOverride ~= nil then
			if purchOverride.link == nil then
				iconNoLink = true
			else
				purchLink = purchOverride.link .. '|'
			end
		end

		if iconNoLink == nil or iconNoLink ~= true then purchName = '[[' .. purchLink .. purchName .. ']]' end

		table.insert(resultPart, '|-')
		for j, column in ipairs(usedColumns) do
			if column == 'Purchase' then
				table.insert(resultPart, '|style="min-width:25px"|' .. p._getPurchaseIcon({purchase, notext=true, size='50'}))
				--table.insert(resultPart, '|style="min-width:25px"|' .. Icons.Icon({iconName, type=iconType, notext=true, nolink=iconNoLink, size='50'}))
				table.insert(resultPart, '| ' .. purchName)
			elseif column == 'Type' then
				table.insert(resultPart, '| ' .. purchType)
			elseif column == 'Description' then
				table.insert(resultPart, '| ' .. p._getPurchaseDescription(purchase))
			elseif column == 'Cost' then
				local cellProp = '|style="text-align:right;"'
				local sortValue = p._getPurchaseSortValue(purchase)
				if sortValue ~= nil then cellProp = cellProp .. ' data-sort-value="' .. sortValue .. '"' end
				table.insert(resultPart, cellProp .. '| ' .. costString)
			elseif column == 'Requirements' then
				table.insert(resultPart, '| ' .. p.getRequirementString(purchase.purchaseRequirements))
			elseif column == 'Buy Limit' then
				local buyLimit = p._getPurchaseBuyLimit(purchase, false)
				local sortValue = (tonumber(buyLimit) == nil and -1 or buyLimit)
				table.insert(resultPart, '| data-sort-value="' .. sortValue .. '"| ' .. buyLimit)
			else
				-- Shouldn't be reached, but will prevent the resulting table becoming horribly mis-aligned if it ever happens
				table.insert(resultPart, '| ')
			end
		end
	end
	table.insert(resultPart, '|}')

	return table.concat(resultPart, '\r\n')
end

-- getShopTable parameter definition:
--   columns:        Comma separated values indicating which columns are to be included & the order
--                   in which they are displayed.
--                   Values can be any of: Purchase, Type, Description, Cost, Requirements
--   columnProps:    Comma separated values indicating formatting to be applied to each column. Each
--                   value must be in the format column:property, e.g. Purchase:colspan="2"
--   sortOrder:      A function determining the order in which table items appear
--   purchaseHeader: Specifies header text for the Purchase column if not 'Purchase'
--	 stickyHeader:   Specifies if the table will have a sticky header or not
function p.getShopTable(frame)
	local cat = frame.args ~= nil and frame.args[1] or frame
	local options = {}
	if frame.args ~= nil then
		if frame.args.columns ~= nil then options.columns = Shared.splitString(frame.args.columns, ',') end
		if frame.args.purchaseHeader ~= nil then options.purchaseHeader = frame.args.purchaseHeader end
		if frame.args.sortOrder ~= nil then options.sortOrder = frame.args.sortOrder end
		if frame.args.stickyHeader ~= nil then options.stickyHeader = frame.args.stickyHeader end
		if frame.args.columnProps ~= nil then
			local columnPropValues = Shared.splitString(frame.args.columnProps, ',')
			local columnProps = {}
			for i, prop in pairs(columnPropValues) do
				local propName, propValue = string.match(prop, '^([^:]+):(.*)$')
				if propName ~= nil then
					columnProps[propName] = propValue
				end
			end
			if Shared.tableCount(columnProps) > 0 then options.headerProps = columnProps end
		end
	end
    local shopCat = GameData.getEntityByName('shopCategories', cat)
	if shopCat == nil then
		return 'ERROR: Invalid category '..cat..'[[Category:Pages with script errors]]'
	else
        local catPurchases = p.getPurchases(function(purch) return purch.category == shopCat.id end)
		return p._getShopTable(catPurchases, options)
	end
end

function p.getItemCostArray(itemID)
    local purchaseArray = {}
    for i, purchase in ipairs(GameData.rawData.shopPurchases) do
        if purchase.cost ~= nil and purchase.cost.items ~= nil then
            for j, itemCost in ipairs(purchase.cost.items) do
                if itemCost.id == itemID then
                    table.insert(purchaseArray, { ["purchase"] = purchase, ["qty"] = itemCost.quantity })
                    break
                end
            end
        end
    end
    return purchaseArray
end

function p.getItemSourceArray(itemID)
    local purchaseArray = {}
    for i, purchase in ipairs(GameData.rawData.shopPurchases) do
        if purchase.contains ~= nil then
        	if purchase.contains.items ~= nil then
	            for j, itemContains in ipairs(purchase.contains.items) do
	                if itemContains.id == itemID then
	                    table.insert(purchaseArray, { ["purchase"] = purchase, ["qty"] = itemContains.quantity })
	                    break
	                end
	            end
	        end
	        if purchase.contains.itemCharges ~= nil and purchase.contains.itemCharges.id == itemID then
	        	table.insert(purchaseArray, { ["purchase"] = purchase, ["qty"] = 1 })
	        end
        end
    end
    return purchaseArray
end

function p._getPurchaseTable(purchase)
	local result = '{| class="wikitable"\r\n|-'
	result = result..'\r\n!colspan="2"|'..Icons.Icon({'Shop'})..' Purchase'
	if purchase.contains.items ~= nil and Shared.tableCount(purchase.contains.items) > 1 then
		result = result..' - '..Icons.Icon({p._getPurchaseName(purchase), type='item'})
	end

	result = result..'\r\n|-\r\n!style="text-align:right;"|Cost'
	result = result..'\r\n|'..p.getCostString(purchase.cost, false)

	result = result..'\r\n|-\r\n!style="text-align:right;"|Requirements'
	result = result..'\r\n|'..p.getRequirementString(purchase.purchaseRequirements)

	result = result..'\r\n|-\r\n!style="text-align:right;"|Contains'
	result = result..'\r\n|style="text-align:right;"|'..p._getPurchaseContents(purchase, true)

	result = result..'\r\n|}'
	return result
end

function p._getItemShopTable(item)
	local tableArray = {}
	local purchaseArray = p.getItemSourceArray(item.id)

	for i, purchase in ipairs(purchaseArray) do
		table.insert(tableArray, p._getPurchaseTable(purchase.purchase))
	end

	return table.concat(tableArray, '\r\n\r\n')
end

function p.getItemShopTable(frame)
	local itemName = frame.args ~= nil and frame.args[1] or frame
	local item = Items.getItem(itemName)
	if item == nil then
		return "ERROR: No item named "..itemName.." exists in the data module"
	end

	return p._getItemShopTable(item)
end

function p.getShopMiscUpgradeTable()
	local purchList = p.getPurchases(function(purch) return purch.category == 'melvorD:General' and string.find(purch.id, '^melvorD:Auto_Eat') == nil end)

	return p._getShopTable(purchList, { columns = { 'Purchase', 'Description', 'Cost', 'Requirements' }, purchaseHeader = 'Upgrade' })
end

function p._getShopSkillcapeTable(showSuperior)
	local categoryID = (showSuperior and 'melvorTotH:SuperiorSkillcapes') or 'melvorD:Skillcapes'
	local capeList = p.getPurchases(function(purch) return purch.category == categoryID end)
	local sortOrderFunc =
		function(a, b)
			local costA, costB = p._getPurchaseSortValue(a), p._getPurchaseSortValue(b)
			if costA == costB then
				return p._getPurchaseName(a) < p._getPurchaseName(b)
			else
				return costA < costB
			end
		end
	return p._getShopTable(capeList, {
			columns = { 'Purchase', 'Description', 'Cost' },
			purchaseHeader = 'Cape',
			sortOrder = sortOrderFunc,
			stickyHeader = false,
			headerProps = {["Purchase"] = 'colspan="2" style="width:200px;"', ["Cost"] = 'style=width:120px;'}
		})
end

function p.getShopSkillcapeTable(frame)
	local capeCategory = frame.args ~= nil and frame.args[1] or frame
	local showSuperior = string.lower(capeCategory) == 'superior'
	
	return p._getShopSkillcapeTable(showSuperior)
end

function p.getSkillcapeTable(frame)
	local skillName = frame.args ~= nil and frame.args[1] or frame
	local capeList = p.getPurchases(function(purch) return Shared.contains({'melvorD:Skillcapes', 'melvorTotH:SuperiorSkillcapes'}, purch.category) and string.find(p._getPurchaseName(purch), skillName) end)
	if Shared.tableIsEmpty(capeList) then
		return ''
	else
		local resultPart = {}
		table.insert(resultPart, '{| class="wikitable"\r\n')
		table.insert(resultPart, '!Skillcape!!Name!!Requirements!!Effect')
		for i, cape in ipairs(capeList) do
			local capeItem = Items.getItemByID(cape.contains.items[1].id)
			if capeItem ~= nil then
				table.insert(resultPart, '\r\n|-\r\n| ' .. Icons.Icon({capeItem.name, type='item', size='60', notext=true}))
				table.insert(resultPart, '\r\n| ' .. Icons.Icon({capeItem.name, type='item', noicon=true}))
				table.insert(resultPart, '\r\n| ' .. p.getRequirementString(cape.purchaseRequirements))
				table.insert(resultPart, '\r\n| ' .. p._getPurchaseDescription(cape))
			end
		end
		
		table.insert(resultPart, '\r\n|}')
		return table.concat(resultPart)
	end
end

function p.getAutoEatTable()
	local resultPart = {}
	local purchasesAE = p.getPurchases(function(purch) return purch.category == 'melvorD:General' and string.find(purch.id, '^melvorD:Auto_Eat') ~= nil end)

	-- Table header
	table.insert(resultPart, '{| class="wikitable sortable stickyHeader"')
	table.insert(resultPart, '|- class="headerRow-0"')
	table.insert(resultPart, '!colspan="2"|Auto Eat Tier!!Minimum Threshold!!Efficiency!!Max Healing!!Cost')
	-- Rows for each Auto Eat tier
	local mods = {["increasedAutoEatEfficiency"] = 0, ["increasedAutoEatHPLimit"] = 0, ["increasedAutoEatThreshold"] = 0}
	for i, purchase in ipairs(purchasesAE) do
        local purchaseName = p._getPurchaseName(purchase)
		-- Modifiers must be accumulated as we go
		for modName, modValue in pairs(mods) do
			if purchase.contains.modifiers[modName] ~= nil then
				mods[modName] = mods[modName] + purchase.contains.modifiers[modName]
			end
		end

		table.insert(resultPart, '|-\r\n|style="min-width:25px; text-align:center;" data-sort-value="' .. purchaseName .. '"| ' .. Icons.Icon({purchaseName, type='upgrade', size=50, notext=true}))
		table.insert(resultPart, '| ' .. Icons.Icon({purchaseName, type='upgrade', noicon=true}))
		table.insert(resultPart, '| style="text-align:right;" data-sort-value="' .. mods.increasedAutoEatThreshold .. '" | ' .. Shared.formatnum(Shared.round(mods.increasedAutoEatThreshold, 0, 0)) .. '%')
		table.insert(resultPart, '| style="text-align:right;" data-sort-value="' .. mods.increasedAutoEatEfficiency .. '" | ' .. Shared.formatnum(Shared.round(mods.increasedAutoEatEfficiency, 0, 0)) .. '%')
		table.insert(resultPart, '| style="text-align:right;" data-sort-value="' .. mods.increasedAutoEatHPLimit .. '" | ' .. Shared.formatnum(Shared.round(mods.increasedAutoEatHPLimit, 0, 0)) .. '%')
		table.insert(resultPart, '| style="text-align:right;" data-sort-value="' .. p._getPurchaseSortValue(purchase) .. '" | ' .. p.getCostString(purchase.cost, false))
	end
	table.insert(resultPart, '|}')

	return table.concat(resultPart, '\r\n')
end

function p.getGodUpgradeTable()
	local resultPart = {}
	-- Obtain list of God upgrades: look for skill upgrades which have a dungeon completion
	--   requirement for an area whose name ends with 'God Dungeon'
	local getGodDungeon =
		function(reqs)
            for i, req in ipairs(reqs) do
                if req.type == 'DungeonCompletion' and string.find(req.dungeonID, 'God_Dungeon$') ~= nil then
                    return GameData.getEntityByID('dungeons', req.dungeonID)
                end
            end
        end

	local upgradeList = p.getPurchases(
		function(purch)
			if purch.category == 'melvorD:SkillUpgrades' and purch.purchaseRequirements ~= nil then
				return getGodDungeon(purch.purchaseRequirements) ~= nil
			end
			return false
		end)
	if Shared.tableIsEmpty(upgradeList) then
        return ''
    end

	-- Table header
	table.insert(resultPart, '{| class="wikitable sortable stickyHeader"')
	table.insert(resultPart, '|- class="headerRow-0"')
	table.insert(resultPart, '!colspan="2"|God Upgrade!!Effect!!Dungeon!!Cost')

	-- Rows for each God upgrade
	for i, upgrade in ipairs(upgradeList) do
        local upgradeName = p._getPurchaseName(upgrade)
		local dung = getGodDungeon(upgrade.purchaseRequirements)
		local costSortValue = p._getPurchaseSortValue(upgrade)
		table.insert(resultPart, '|-\r\n|style="min-width:25px; text-align:center;" data-sort-value="' .. upgradeName .. '"| ' .. Icons.Icon({upgradeName, type='upgrade', size=50, notext=true}))
		table.insert(resultPart, '| ' .. Icons.Icon({upgradeName, type='upgrade', noicon=true}))
		table.insert(resultPart, '| ' .. p._getPurchaseDescription(upgrade))
		table.insert(resultPart, '| data-sort-value="' .. dung.name .. '"| ' .. Icons.Icon({dung.name, type='dungeon'}))
		table.insert(resultPart, '| style="text-align:right;" data-sort-value="' .. costSortValue .. '"| ' .. p.getCostString(upgrade.cost, false))
	end
	table.insert(resultPart, '|}')

	return table.concat(resultPart, '\r\n')
end

function p.getCookingUtilityTable(frame)
	local category = nil
	if frame ~= nil then category = frame.args ~= nil and frame.args[1] or frame end
	local validCategories = {'Cooking Fire', 'Furnace', 'Pot'}
	if category == nil or not Shared.contains({'Cooking Fire', 'Furnace', 'Pot'}, category) then
		return 'ERROR: Invalid category specified. Must be one of the following: ' .. mw.text.listToText(validCategories, ', ', ' or ')
	end
	
	local categoryShort = string.match(category, '[^%s]+$')
	local bonusSkillID = Constants.getSkillID('Cooking')
	local bonusColMod, bonusColName = nil, nil
	if category == 'Cooking Fire' then
		bonusColMod = 'increasedSkillXP'
		bonusColName = 'Bonus ' .. Icons.Icon({'Cooking', type='skill', notext=true}) .. ' XP'
	else
		bonusColMod = 'increasedChanceToDoubleItemsSkill'
		bonusColName = 'Double Items Chance'
	end
	local modsPerfectChance = {'increasedChancePerfectCookFire', 'increasedChancePerfectCookFurnace',
								'increasedChancePerfectCookPot', 'increasedChancePerfectCookGlobal'}
	local totalBonusVal, totalPerfectChance = 0, 0
	local utilityList = p.getPurchases(function(purch) return purch.category == 'melvorD:SkillUpgrades' and string.find(p._getPurchaseName(purch), category .. '$') ~= nil end)
	local resultPart = {}
	
	-- Table header
	table.insert(resultPart, '{| class="wikitable stickyHeader"')
	table.insert(resultPart, '|- class="headerRow-0"')
	table.insert(resultPart, '!colspan="4"| !!colspan="2"|' .. bonusColName .. '!!colspan="2"|Bonus Perfect Chance')
	table.insert(resultPart, '|- class="headerRow-1"')
	table.insert(resultPart, '!colspan="2"|Name!!Level!!Cost' .. string.rep('!!This ' .. categoryShort .. '!!Total', 2))

	-- Row for each upgrade
	for i, utility in ipairs(utilityList) do
        local utilityName = p._getPurchaseName(utility)
		-- First determine bonus XP/doubling chance and perfect chance
		local bonusVal, perfectChance = 0, 0
		if type(utility.contains) == 'table' then
			if type(utility.contains.modifiers) == 'table' then
				for modName, modVal in pairs(utility.contains.modifiers) do
					if modName == bonusColMod and type(modVal) == 'table' then
						-- Bonus XP/doubling
						for skID, skVal in pairs(modVal) do
							if skVal[1] == bonusSkillID then bonusVal = bonusVal + skVal[2] end
						end
					elseif Shared.contains(modsPerfectChance, modName) then
						-- Perfect chance
						perfectChance = perfectChance + modVal
					end
				end
			end
		end
		totalBonusVal = totalBonusVal + bonusVal
		totalPerfectChance = totalPerfectChance + perfectChance

		table.insert(resultPart, '|-')
		table.insert(resultPart, '|style="min-width:25px"|' .. Icons.Icon({utilityName, type='upgrade', size='50', notext=true}))
		table.insert(resultPart, '|' .. utilityName)
		table.insert(resultPart, '|style="text-align:right"|' .. p.getRequirementString(utility.purchaseRequirements))
		table.insert(resultPart, '|style="text-align:right"|' .. p.getCostString(utility.cost, false))
		table.insert(resultPart, '|style="text-align:right"|' .. '+' .. bonusVal .. '%')
		table.insert(resultPart, '|style="text-align:right"|' .. '+' .. totalBonusVal .. '%')
		table.insert(resultPart, '|style="text-align:right"|' .. '+' .. perfectChance .. '%')
		table.insert(resultPart, '|style="text-align:right"|' .. '+' .. totalPerfectChance .. '%')
	end
	table.insert(resultPart, '|}')

	return table.concat(resultPart, '\r\n')
end

return p