local showAtkWeaponTypes = {WEAPON_CLUB, WEAPON_SWORD, WEAPON_AXE, WEAPON_DISTANCE}
local showDefWeaponTypes = {WEAPON_CLUB, WEAPON_SWORD, WEAPON_AXE, WEAPON_DISTANCE, WEAPON_SHIELD}

local event = EventCallback

event.onLookInMarket = function(self, itemType)
	local response = NetworkMessage()
	response:addByte(0xF8)
	response:addU16(itemType:getClientId())

	-- tier label (byte)
	do
		if itemType:getClassification() > 0 then
			response:addByte(0)
		end
	end

	-- armor
	do
		local armor = itemType:getArmor()
		if armor > 0 then
			response:addString(armor)
		else
			response:addU16(0)
		end
	end

	-- weapon data (will be reused)
	local weaponType = itemType:getWeaponType()

	-- attack
	do
		local showAtk = table.contains(showAtkWeaponTypes, weaponType)
		if showAtk then
			local atkAttrs = {}
			local atk = itemType:getAttack()
			if itemType:isBow() then
				if atk ~= 0 then
					atkAttrs[#atkAttrs + 1] = string.format("%+d", atk)
				end

				local hitChance = itemType:getHitChance()
				if hitChance ~= 0 then
					atkAttrs[#atkAttrs + 1] = string.format("chance to hit %+d%%", hitChance)
				end

				atkAttrs[#atkAttrs + 1] = string.format("%d fields", itemType:getShootRange())
			else
				atkAttrs[#atkAttrs + 1] = atk
				local elementDmg = itemType:getElementDamage()
				if elementDmg ~= 0 then
					atkAttrs[#atkAttrs] = string.format("%d physical %+d %s", atkAttrs[#atkAttrs], elementDmg, getCombatName(itemType:getElementType()))
				end
			end

			response:addString(table.concat(atkAttrs, ", "))
		else
			response:addU16(0)
		end
	end

	-- container slots
	do
		if itemType:isContainer() then
			response:addString(itemType:getCapacity())
		else
			response:addU16(0)
		end
	end

	-- defense
	do
		local showDef = table.contains(showDefWeaponTypes, weaponType)
		if showDef then
			local def = itemType:getDefense()
			if weaponType == WEAPON_DISTANCE then
				-- throwables
				local ammoType = itemType:getAmmoType()
				if ammoType ~= AMMO_ARROW and ammoType ~= AMMO_BOLT then
					response:addString(def)
				else
					response:addU16(0)
				end
			else
				-- extra def
				local xD = itemType:getExtraDefense()
				if xD ~= 0 then
					def = string.format("%d %+d", def, xD)
				end

				response:addString(def)
			end
		else
			response:addU16(0)
		end
	end

	-- description
	do
		local desc = itemType:getDescription()
		if desc and #desc > 0 then
			response:addString(desc:sub(1, -2))
		else
			response:addU16(0)
		end
	end

	-- duration
	do
		local duration = itemType:getDuration()
		if duration == 0 then
			local transferType = itemType:getTransformEquipId()
			if transferType ~= 0 then
				transferType = ItemType(transferType)
				duration = transferType and transferType:getDuration() or duration
			end
		end

		if duration > 0 then
			response:addString(Game.getCountdownString(duration, true, true))
		else
			response:addU16(0)
		end
	end

	-- item abilities (will be reused)
	local abilities = itemType:getAbilities()

	-- element protections
	do
		local protections = {}
		for element, value in pairs(abilities.absorbPercent) do
			if value ~= 0 then
				protections[#protections + 1] = string.format("%s %+d%%", getCombatName(2 ^ (element - 1)), value)
			end
		end

		if #protections > 0 then
			response:addString(table.concat(protections, ", "))
		else
			response:addU16(0)
		end
	end

	-- level req
	do
		local minLevel = itemType:getMinReqLevel()
		if minLevel > 0 then
			response:addString(minLevel)
		else
			response:addU16(0)
		end
	end

	-- magic level req
	do
		local minMagicLevel = itemType:getMinReqMagicLevel()
		if minMagicLevel > 0 then
			response:addString(minMagicLevel)
		else
			response:addU16(0)
		end
	end

	-- vocation
	do
		local vocations = itemType:getVocationString()
		if vocations and vocations:len() > 0 then
			response:addString(vocations)
		else
			response:addU16(0)
		end
	end

	-- rune words
	do
		local spellName = itemType:getRuneSpellName()
		if spellName and spellName:len() > 0 then
			response:addString(spellName)
		else
			response:addU16(0)
		end
	end

	-- "skill boost" category
	do
		-- atk speed
		local atkSpeed = itemType:getAttackSpeed()
		local skillBoosts = {}
		if atkSpeed ~= 0 then
			skillBoosts[#skillBoosts + 1] = string.format("attack speed %0.2f/turn", 2000 / atkSpeed)
		end

		-- skill boost
		if abilities.manaGain > 0 or abilities.healthGain > 0 or abilities.regeneration then
			skillBoosts[#skillBoosts + 1] = "faster regeneration"
		end

		-- invisibility
		if abilities.invisible then
			skillBoosts[#skillBoosts + 1] = "invisibility"
		end

		-- magic shield (classic)
		if abilities.manaShield then
			skillBoosts[#skillBoosts + 1] = "magic shield"
		end

		-- stats (hp/mp/soul/ml)
		for stat, value in pairs(abilities.stats) do
			if value ~= 0 then
				skillBoosts[#skillBoosts + 1] = string.format("%s %+d", getStatName(stat - 1), value)
			end
		end

		-- stats but in %
		for stat, value in pairs(abilities.statsPercent) do
			if value ~= 0 then
				skillBoosts[#skillBoosts + 1] = string.format("%s %+d%%", getStatName(stat - 1), value)
			end
		end

		-- speed
		if abilities.speed ~= 0 then
			skillBoosts[#skillBoosts + 1] = string.format("speed %+d", math.floor(abilities.speed / 2))
		end

		-- skills
		for skill, value in pairs(abilities.skills) do
			if value ~= 0 then
				skillBoosts[#skillBoosts + 1] = string.format("%s %+d", getSkillName(skill - 1), value)
			end
		end

		-- special skills
		for skill, value in pairs(abilities.specialSkills) do
			if value ~= 0 then
				skillBoosts[#skillBoosts + 1] = string.format("%s %+d", getSpecialSkillName[skill - 1], value)
			end
		end

		-- add to response
		if #skillBoosts > 0 then
			response:addString(table.concat(skillBoosts, ", "))
		else
			response:addU16(0)
		end
	end

	-- charges
	do
		if itemType:hasShowCharges() then
			response:addString(itemType:getCharges())
		else
			response:addU16(0)
		end
	end

	-- weapon type
	do
		if itemType:isWeapon() then
			response:addString(itemType:getWeaponString())
		else
			response:addU16(0)
		end
	end

	-- weight
	response:addString(string.format("%0.2f", itemType:getWeight() / 100))

	-- to do
	response:addU16(0) -- Imbuement Slots
	response:addU16(0) -- Magic Shield Capacity
	response:addU16(0) -- Cleave
	response:addU16(0) -- Damage Reflection
	response:addU16(0) -- Perfect Shot
	response:addU16(0) -- Classification
	response:addU16(0) -- Tier

	-- buy stats
	do
		local stats = itemType:getMarketBuyStatistics()
		if stats then
			response:addByte(0x01)
			response:addU32(stats.numTransactions)
			response:addU64(stats.totalPrice)
			response:addU64(stats.highestPrice)
			response:addU64(stats.lowestPrice)
		else
			response:addByte(0x00)
		end
	end

	-- sell stats
	do
		local stats = itemType:getMarketSellStatistics()
		if stats then
			response:addByte(0x01)
			response:addU32(stats.numTransactions)
			response:addU64(stats.totalPrice)
			response:addU64(stats.highestPrice)
			response:addU64(stats.lowestPrice)
		else
			response:addByte(0x00)
		end
	end

	response:sendToPlayer(self)
end

event:register()
