-- Path of Building
--
-- Module: Import Tab
-- Import/Export tab for the current build.
--
local ipairs = ipairs
local t_insert = table.insert

local realmList = {
	{ label = "PC", id = "PC", realmCode = "pc", profileURL = "https://www.pathofexile.com/account/view-profile/" },
	{ label = "Xbox", id = "XBOX", realmCode = "xbox", profileURL = "https://www.pathofexile.com/account/xbox/view-profile/" },
	{ label = "PS4", id = "SONY", realmCode = "sony", profileURL = "https://www.pathofexile.com/account/sony/view-profile/" },
}

local ImportTabClass = newClass("ImportTab", "ControlHost", "Control", function(self, build)
	self.ControlHost()
	self.Control()

	self.build = build

	self.charImportMode = build.targetVersion == liveTargetVersion and "GETACCOUNTNAME" or "VERSIONWARNING"
	self.charImportStatus = "Idle"
	self.controls.sectionCharImport = new("SectionControl", {"TOPLEFT",self,"TOPLEFT"}, 10, 18, 600, 250, "Character Import")
	self.controls.charImportVersionWarning = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, 6, 20, 0, 16, colorCodes.WARNING..[[
Warning:^7 Characters may not import into this build correctly, 
as the build's game version is different from the live game version.
Some passives may be deallocated, and some gems may not be recognised.
If possible, change the game version in the Configuration tab before importing.]])
	self.controls.charImportVersionWarning.shown = function()
		return self.charImportMode == "VERSIONWARNING"
	end
	self.controls.charImportVersionWarningGo = new("ButtonControl", {"TOPLEFT",self.controls.charImportVersionWarning,"TOPLEFT"}, 0, 70, 80, 20, "Continue", function()
		self.charImportMode = "GETACCOUNTNAME"
	end)
	self.controls.charImportStatusLabel = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, 6, 14, 200, 16, function()
		return "^7Character import status: "..self.charImportStatus
	end)
	self.controls.charImportStatusLabel.shown = function()
		return self.charImportMode ~= "VERSIONWARNING"
	end

	-- Stage: input account name
	self.controls.accountNameHeader = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, 6, 40, 200, 16, "^7To start importing a character, enter the character's account name:")
	self.controls.accountNameHeader.shown = function()
		return self.charImportMode == "GETACCOUNTNAME"
	end
	self.controls.accountRealm = new("DropDownControl", {"TOPLEFT",self.controls.accountNameHeader,"BOTTOMLEFT"}, 0, 4, 60, 20, realmList )
	self.controls.accountRealm:SelByValue( main.lastRealm or "PC", "id" )
	self.controls.accountName = new("EditControl", {"LEFT",self.controls.accountRealm,"RIGHT"}, 8, 0, 200, 20, main.lastAccountName or "", nil, "%c")
	self.controls.accountName.pasteFilter = function(text)
		return text:gsub("[\128-\255]",function(c)
			return codePointToUTF8(c:byte(1)):gsub(".",function(c)
				return string.format("%%%X", c:byte(1))
			end)
		end)
	end
	self.controls.accountNameGo = new("ButtonControl", {"LEFT",self.controls.accountName,"RIGHT"}, 8, 0, 60, 20, "Start", function()
		self.controls.sessionInput.buf = ""
		self:DownloadCharacterList()
	end)
	self.controls.accountNameGo.enabled = function()
		return self.controls.accountName.buf:match("%S")
	end
	self.controls.accountNameUnicode = new("LabelControl", {"TOPLEFT",self.controls.accountRealm,"BOTTOMLEFT"}, 0, 16, 0, 14, "^7Note: if the account name contains non-ASCII characters then it must be URL encoded first.")
	self.controls.accountNameURLEncoder = new("ButtonControl", {"TOPLEFT",self.controls.accountNameUnicode,"BOTTOMLEFT"}, 0, 4, 170, 18, "^x4040FFhttps://www.urlencoder.org/", function()
		OpenURL("https://www.urlencoder.org/")
	end)

	-- Stage: input POESESSID
	self.controls.sessionHeader = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, 6, 40, 200, 14)
	self.controls.sessionHeader.label = function()
		return [[
^7The list of characters on ']]..self.controls.accountName.buf..[[' couldn't be retrieved. This may be because:
1. The account name is wrong, or
2. The account's privacy settings hide the characters tab (this is the default setting).
If this is your account, you can either:
1. Change your privacy settings to show you characters tab and then retry, or
2. Enter a valid POESESSID below. 
You can get this from your web browser's cookies while logged into the Path of Exile website.
		]]
	end
	self.controls.sessionHeader.shown = function()
		return self.charImportMode == "GETSESSIONID"
	end
	self.controls.sessionRetry = new("ButtonControl", {"TOPLEFT",self.controls.sessionHeader,"TOPLEFT"}, 0, 108, 60, 20, "Retry", function()
		self.controls.sessionInput.buf = ""
		self:DownloadCharacterList()
	end)
	self.controls.sessionCancel = new("ButtonControl", {"LEFT",self.controls.sessionRetry,"RIGHT"}, 8, 0, 60, 20, "Cancel", function()
		self.charImportMode = "GETACCOUNTNAME"
		self.charImportStatus = "Idle"
	end)
	self.controls.sessionInput = new("EditControl", {"TOPLEFT",self.controls.sessionRetry,"BOTTOMLEFT"}, 0, 8, 350, 20, "", "POESESSID", "%X", 32)
	self.controls.sessionGo = new("ButtonControl", {"LEFT",self.controls.sessionInput,"RIGHT"}, 8, 0, 60, 20, "Go", function()
		self:DownloadCharacterList()
	end)
	self.controls.sessionGo.enabled = function()
		return #self.controls.sessionInput.buf == 32
	end

	-- Stage: select character and import data
	self.controls.charSelectHeader = new("LabelControl", {"TOPLEFT",self.controls.sectionCharImport,"TOPLEFT"}, 6, 40, 200, 16, "^7Choose character to import data from:")
	self.controls.charSelectHeader.shown = function()
		return self.charImportMode == "SELECTCHAR" or self.charImportMode == "IMPORTING"
	end
	self.controls.charSelectLeagueLabel = new("LabelControl", {"TOPLEFT",self.controls.charSelectHeader,"BOTTOMLEFT"}, 0, 6, 0, 14, "^7League:")
	self.controls.charSelectLeague = new("DropDownControl", {"LEFT",self.controls.charSelectLeagueLabel,"RIGHT"}, 4, 0, 150, 18, nil, function(index, value)
		self:BuildCharacterList(value.league)
	end)
	self.controls.charSelect = new("DropDownControl", {"TOPLEFT",self.controls.charSelectHeader,"BOTTOMLEFT"}, 0, 24, 400, 18)
	self.controls.charSelect.enabled = function()
		return self.charImportMode == "SELECTCHAR"
	end
	self.controls.charImportHeader = new("LabelControl", {"TOPLEFT",self.controls.charSelect,"BOTTOMLEFT"}, 0, 16, 200, 16, "Import:")
	self.controls.charImportTree = new("ButtonControl", {"LEFT",self.controls.charImportHeader, "RIGHT"}, 8, 0, 170, 20, "Passive Tree and Jewels", function()
		if self.build.spec:CountAllocNodes() > 0 then
			main:OpenConfirmPopup("Character Import", "Importing the passive tree will overwrite your current tree.", "Import", function()
				self:DownloadPassiveTree()
			end)
		else
			self:DownloadPassiveTree()
		end
	end)
	self.controls.charImportTree.enabled = function()
		return self.charImportMode == "SELECTCHAR"
	end
	self.controls.charImportTreeClearJewels = new("CheckBoxControl", {"LEFT",self.controls.charImportTree,"RIGHT"}, 90, 0, 18, "Delete jewels:")
	self.controls.charImportTreeClearJewels.tooltipText = "Delete all existing jewels when importing."
	self.controls.charImportItems = new("ButtonControl", {"LEFT",self.controls.charImportTree, "LEFT"}, 0, 36, 110, 20, "Items and Skills", function()
		self:DownloadItems()
	end)
	self.controls.charImportItems.enabled = function()
		return self.charImportMode == "SELECTCHAR"
	end
	self.controls.charImportItemsClearSkills = new("CheckBoxControl", {"LEFT",self.controls.charImportItems,"RIGHT"}, 85, 0, 18, "Delete skills:")
	self.controls.charImportItemsClearSkills.tooltipText = "Delete all existing skills when importing."
	self.controls.charImportItemsClearItems = new("CheckBoxControl", {"LEFT",self.controls.charImportItems,"RIGHT"}, 220, 0, 18, "Delete equipment:")
	self.controls.charImportItemsClearItems.tooltipText = "Delete all equipped items when importing."
	self.controls.charBanditNote = new("LabelControl", {"TOPLEFT",self.controls.charImportHeader,"BOTTOMLEFT"}, 0, 50, 200, 14, "^7Tip: After you finish importing a character, make sure you update the bandit choices,\nas these cannot be imported.")
	self.controls.charDone = new("ButtonControl", {"TOPLEFT",self.controls.charImportHeader,"BOTTOMLEFT"}, 0, 90, 60, 20, "Done", function()
		self.charImportMode = "GETACCOUNTNAME"
		self.charImportStatus = "Idle"
	end)

	-- Build import/export
	self.controls.sectionBuild = new("SectionControl", {"TOPLEFT",self.controls.sectionCharImport,"BOTTOMLEFT"}, 0, 18, 600, 200, "Build Sharing")
	self.controls.generateCodeLabel = new("LabelControl", {"TOPLEFT",self.controls.sectionBuild,"TOPLEFT"}, 6, 14, 0, 16, "^7Generate a code to share this build with other Path of Building users:")
	self.controls.generateCode = new("ButtonControl", {"LEFT",self.controls.generateCodeLabel,"RIGHT"}, 4, 0, 80, 20, "Generate", function()
		self.controls.generateCodeOut:SetText(common.base64.encode(Deflate(self.build:SaveDB("code"))):gsub("+","-"):gsub("/","_"))
	end)
	self.controls.generateCodeOut = new("EditControl", {"TOPLEFT",self.controls.generateCodeLabel,"BOTTOMLEFT"}, 0, 8, 250, 20, "", "Code", "%Z")
	self.controls.generateCodeOut.enabled = function()
		return #self.controls.generateCodeOut.buf > 0
	end
	self.controls.generateCodeCopy = new("ButtonControl", {"LEFT",self.controls.generateCodeOut,"RIGHT"}, 8, 0, 60, 20, "Copy", function()
		Copy(self.controls.generateCodeOut.buf)
		self.controls.generateCodeOut:SetText("")
	end)
	self.controls.generateCodeCopy.enabled = function()
		return #self.controls.generateCodeOut.buf > 0
	end
	self.controls.generateCodePastebin = new("ButtonControl", {"LEFT",self.controls.generateCodeCopy,"RIGHT"}, 8, 0, 140, 20, "Share with Pastebin", function()
		local id = LaunchSubScript([[
			local code, proxyURL = ...
			local curl = require("lcurl.safe")
			local page = ""
			local easy = curl.easy()
			easy:setopt_url("https://pastebin.com/api/api_post.php")
			easy:setopt(curl.OPT_POST, true)
			easy:setopt(curl.OPT_POSTFIELDS, "api_dev_key=c4757f22e50e65e21c53892fd8e0a9ff&api_paste_private=1&api_option=paste&api_paste_code="..code)
			easy:setopt(curl.OPT_ACCEPT_ENCODING, "")
			if proxyURL then
				easy:setopt(curl.OPT_PROXY, proxyURL)
			end
			easy:setopt_writefunction(function(data)
				page = page..data
				return true
			end)
			easy:perform()
			easy:close()
			if page:match("pastebin.com") then
				return page
			else
				return nil, page
			end
		]], "", "", self.controls.generateCodeOut.buf, launch.proxyURL)
		if id then
			self.controls.generateCodeOut:SetText("")
			self.controls.generateCodePastebin.label = "Creating paste..."
			launch:RegisterSubScript(id, function(pasteLink, errMsg)
				self.controls.generateCodePastebin.label = "Share with Pastebin"
				if errMsg then
					main:OpenMessagePopup("Pastebin.com", "Error creating paste:\n"..errMsg)
				else
					self.controls.generateCodeOut:SetText(pasteLink)
				end
			end)
		end
	end)
	self.controls.generateCodePastebin.enabled = function()
		return #self.controls.generateCodeOut.buf > 0 and not self.controls.generateCodeOut.buf:match("pastebin%.com")
	end
	self.controls.generateCodeNote = new("LabelControl", {"TOPLEFT",self.controls.generateCodeOut,"BOTTOMLEFT"}, 0, 4, 0, 14, "^7Note: this code can be very long; you can use 'Share with Pastebin' to shrink it.")
	self.controls.importCodeHeader = new("LabelControl", {"TOPLEFT",self.controls.generateCodeNote,"BOTTOMLEFT"}, 0, 26, 0, 16, "^7To import a build, enter the code here:")
	self.controls.importCodeIn = new("EditControl", {"TOPLEFT",self.controls.importCodeHeader,"BOTTOMLEFT"}, 0, 4, 250, 20, "", nil, "^%w_%-=", nil, function(buf)
		if #buf == 0 then
			self.importCodeState = nil
			return
		end
		self.importCodeState = "INVALID"
		local xmlText = Inflate(common.base64.decode(buf:gsub("-","+"):gsub("_","/")))
		if not xmlText then
			return
		end
		if launch.devMode and IsKeyDown("SHIFT") then
			Copy(xmlText)
		end
		self.importCodeState = "VALID"
		self.importCodeXML = xmlText
		if not self.build.dbFileName then
			self.controls.importCodeMode.selIndex = 2
		end
	end)
	self.controls.importCodeState = new("LabelControl", {"LEFT",self.controls.importCodeIn,"RIGHT"}, 4, 0, 0, 16)
	self.controls.importCodeState.label = function()
		return (self.importCodeState == "VALID" and colorCodes.POSITIVE.."Code is valid") or (self.importCodeState == "INVALID" and colorCodes.NEGATIVE.."Invalid code") or ""
	end
	self.controls.importCodePastebin = new("ButtonControl", {"LEFT",self.controls.importCodeIn,"RIGHT"}, 90, 0, 160, 20, "Import from Pastebin...", function()
		self:OpenPastebinImportPopup()
	end)
	self.controls.importCodeMode = new("DropDownControl", {"TOPLEFT",self.controls.importCodeIn,"BOTTOMLEFT"}, 0, 4, 160, 20, { "Import to this build", "Import to a new build" })
	self.controls.importCodeMode.enabled = function()
		return self.importCodeState == "VALID" and self.build.dbFileName
	end
	self.controls.importCodeGo = new("ButtonControl", {"TOPLEFT",self.controls.importCodeMode,"BOTTOMLEFT"}, 0, 8, 60, 20, "Import", function()
		if self.controls.importCodeMode.selIndex == 1 then
			main:OpenConfirmPopup("Build Import", colorCodes.WARNING.."Warning:^7 Importing to the current build will erase ALL existing data for this build.", "Import", function()
				self.build:Shutdown()
				self.build:Init(self.build.dbFileName, self.build.buildName, self.importCodeXML)
				self.build.viewMode = "TREE"
			end)
		else
			self.build:Shutdown()
			self.build:Init(false, "Imported build", self.importCodeXML)
			self.build.viewMode = "TREE"
		end
	end)
	self.controls.importCodeGo.enabled = function()
		return self.importCodeState == "VALID"
	end
end)

function ImportTabClass:Load(xml, fileName)
	self.lastRealm = xml.attrib.lastRealm
	self.controls.accountRealm:SelByValue( self.lastRealm or main.lastRealm or "PC", "id" )
	self.lastAccountHash = xml.attrib.lastAccountHash
	if self.lastAccountHash then
		for accountName in pairs(main.gameAccounts) do
			if common.sha1(accountName) == self.lastAccountHash then
				self.controls.accountName:SetText(accountName)
			end
		end
	end
	self.lastCharacterHash = xml.attrib.lastCharacterHash
end

function ImportTabClass:Save(xml)
	xml.attrib = {
		lastRealm = self.lastRealm,
		lastAccountHash = self.lastAccountHash,
		lastCharacterHash = self.lastCharacterHash,
	}
end

function ImportTabClass:Draw(viewPort, inputEvents)
	self.x = viewPort.x
	self.y = viewPort.y
	self.width = viewPort.width
	self.height = viewPort.height

	self:ProcessControlsInput(inputEvents, viewPort)

	main:DrawBackground(viewPort)

	self:DrawControls(viewPort)
end

function ImportTabClass:DownloadCharacterList()
	self.charImportMode = "DOWNLOADCHARLIST"
	self.charImportStatus = "Retrieving character list..."
	local accountName = self.controls.accountName.buf
	local realm = realmList[self.controls.accountRealm.selIndex]
	local sessionID = #self.controls.sessionInput.buf == 32 and self.controls.sessionInput.buf or (main.gameAccounts[accountName] and main.gameAccounts[accountName].sessionID)
	launch:DownloadPage("https://www.pathofexile.com/character-window/get-characters?accountName="..accountName.."&realm="..realm.realmCode, function(page, errMsg)
		if errMsg == "Response code: 403" then
			self.charImportStatus = colorCodes.NEGATIVE.."Account profile is private."
			self.charImportMode = "GETSESSIONID"
			return
		elseif errMsg == "Response code: 404" then
			self.charImportStatus = colorCodes.NEGATIVE.."Account name is incorrect."
			self.charImportMode = "GETACCOUNTNAME"
			return
		elseif errMsg then
			self.charImportStatus = colorCodes.NEGATIVE.."Error retrieving character list, try again ("..errMsg:gsub("\n"," ")..")"
			self.charImportMode = "GETACCOUNTNAME"
			return
		end
		local charList, errMsg = self:ProcessJSON(page)
		if errMsg then
			self.charImportStatus = colorCodes.NEGATIVE.."Error processing character list, try again later"
			self.charImportMode = "GETACCOUNTNAME"
			return
		end
		--ConPrintTable(charList)
		if #charList == 0 then
			self.charImportStatus = colorCodes.NEGATIVE.."The account has no characters to import."
			self.charImportMode = "GETACCOUNTNAME"
			return
		end
		-- GGG's character API has an issue where for /get-characters the account name is not case-sensitive, but for /get-passive-skills and /get-items it is.
		-- This workaround grabs the profile page and extracts the correct account name from one of the URLs.
		launch:DownloadPage(realm.profileURL..accountName, function(page, errMsg)
			if errMsg then
				self.charImportStatus = colorCodes.NEGATIVE.."Error retrieving character list, try again ("..errMsg:gsub("\n"," ")..")"
				self.charImportMode = "GETACCOUNTNAME"
				return
			end
			local realAccountName = page:match("/view%-profile/([^/]+)/characters"):gsub(".", function(c) if c:byte(1) > 127 then return string.format("%%%2X",c:byte(1)) else return c end end)
			if not realAccountName then
				self.charImportStatus = colorCodes.NEGATIVE.."Failed to retrieve character list."
				self.charImportMode = "GETSESSIONID"
				return
			end
			self.controls.accountName:SetText(realAccountName)
			accountName = realAccountName
			self.charImportStatus = "Character list successfully retrieved."
			self.charImportMode = "SELECTCHAR"
			self.lastRealm = realm.id
			main.lastRealm = realm.id
			self.lastAccountHash = common.sha1(accountName)
			main.lastAccountName = accountName
			main.gameAccounts[accountName] = main.gameAccounts[accountName] or { }
			main.gameAccounts[accountName].sessionID = sessionID
			local leagueList = { }
			for i, char in ipairs(charList) do
				if not isValueInArray(leagueList, char.league) then
					t_insert(leagueList, char.league)
				end
			end
			table.sort(leagueList)
			wipeTable(self.controls.charSelectLeague.list)
			t_insert(self.controls.charSelectLeague.list, {
				label = "All",
			})
			for _, league in ipairs(leagueList) do
				t_insert(self.controls.charSelectLeague.list, {
					label = league,
					league = league,
				})
			end				
			self.lastCharList = charList
			self:BuildCharacterList()
		end, sessionID and "POESESSID="..sessionID)
	end, sessionID and "POESESSID="..sessionID)
end

function ImportTabClass:BuildCharacterList(league)
	wipeTable(self.controls.charSelect.list)
	for i, char in ipairs(self.lastCharList) do
		if not league or char.league == league then
			t_insert(self.controls.charSelect.list, {
				label = string.format("%s: Level %d %s in %s", char.name or "?", char.level or 0, char.class or "?", char.league or "?"),
				char = char,
			})
		end
	end
	table.sort(self.controls.charSelect.list, function(a,b)
		return a.char.name:lower() < b.char.name:lower()
	end)
	self.controls.charSelect.selIndex = 1
	if self.lastCharacterHash then
		for i, char in ipairs(self.controls.charSelect.list) do
			if common.sha1(char.char.name) == self.lastCharacterHash then
				self.controls.charSelect.selIndex = i
				break
			end
		end
	end
end

function ImportTabClass:DownloadPassiveTree()
	self.charImportMode = "IMPORTING"
	self.charImportStatus = "Retrieving character passive tree..."
	local realm = realmList[self.controls.accountRealm.selIndex]
	local accountName = self.controls.accountName.buf
	local sessionID = #self.controls.sessionInput.buf == 32 and self.controls.sessionInput.buf or (main.gameAccounts[accountName] and main.gameAccounts[accountName].sessionID)
	local charSelect = self.controls.charSelect
	local charData = charSelect.list[charSelect.selIndex].char
	launch:DownloadPage("https://www.pathofexile.com/character-window/get-passive-skills?accountName="..accountName.."&character="..charData.name.."&realm="..realm.realmCode, function(page, errMsg)
		self.charImportMode = "SELECTCHAR"
		if errMsg then
			self.charImportStatus = colorCodes.NEGATIVE.."Error importing character data, try again ("..errMsg:gsub("\n"," ")..")"
			return
		elseif page == "false" then
			self.charImportStatus = colorCodes.NEGATIVE.."Failed to retrieve character data, try again."
			return
		end
		self.lastCharacterHash = common.sha1(charData.name)
		self:ImportPassiveTreeAndJewels(page, charData)
	end, sessionID and "POESESSID="..sessionID)
end

function ImportTabClass:DownloadItems()
	self.charImportMode = "IMPORTING"
	self.charImportStatus = "Retrieving character items..."
	local realm = realmList[self.controls.accountRealm.selIndex]
	local accountName = self.controls.accountName.buf
	local sessionID = #self.controls.sessionInput.buf == 32 and self.controls.sessionInput.buf or (main.gameAccounts[accountName] and main.gameAccounts[accountName].sessionID)
	local charSelect = self.controls.charSelect
	local charData = charSelect.list[charSelect.selIndex].char
	launch:DownloadPage("https://www.pathofexile.com/character-window/get-items?accountName="..accountName.."&character="..charData.name.."&realm="..realm.realmCode, function(page, errMsg)
		self.charImportMode = "SELECTCHAR"
		if errMsg then
			self.charImportStatus = colorCodes.NEGATIVE.."Error importing character data, try again ("..errMsg:gsub("\n"," ")..")"
			return
		elseif page == "false" then
			self.charImportStatus = colorCodes.NEGATIVE.."Failed to retrieve character data, try again."
			return
		end
		self.lastCharacterHash = common.sha1(charData.name)
		self:ImportItemsAndSkills(page)
	end, sessionID and "POESESSID="..sessionID)
end

function ImportTabClass:ImportPassiveTreeAndJewels(json, charData)
	--local out = io.open("get-passive-skills.json", "w")
	--out:write(json)
	--out:close()
	local charPassiveData, errMsg = self:ProcessJSON(json)
	if errMsg then
		self.charImportStatus = colorCodes.NEGATIVE.."Error processing character data, try again later."
		return
	end
	self.charImportStatus = colorCodes.POSITIVE.."Passive tree and jewels successfully imported."
	--ConPrintTable(charPassiveData)
	if self.controls.charImportTreeClearJewels.state then
		for _, slot in pairs(self.build.itemsTab.slots) do
			if slot.selItemId ~= 0 and slot.nodeId then
				self.build.itemsTab:DeleteItem(self.build.itemsTab.items[slot.selItemId])
			end
		end
	end
	for _, itemData in pairs(charPassiveData.items) do
		self:ImportItem(itemData)
	end
	self.build.itemsTab:PopulateSlots()
	self.build.itemsTab:AddUndoState()
	self.build.spec:ImportFromNodeList(charData.classId, charData.ascendancyClass, charPassiveData.hashes)
	self.build.spec:AddUndoState()
	self.build.characterLevel = charData.level
	self.build.controls.characterLevel:SetText(charData.level)
	self.build.buildFlag = true
end

function ImportTabClass:ImportItemsAndSkills(json)
	--local out = io.open("get-items.json", "w")
	--out:write(json)
	--out:close()
	local charItemData, errMsg = self:ProcessJSON(json)
	if errMsg then
		self.charImportStatus = colorCodes.NEGATIVE.."Error processing character data, try again later."
		return
	end
	if self.controls.charImportItemsClearItems.state then
		for _, slot in pairs(self.build.itemsTab.slots) do
			if slot.selItemId ~= 0 and not slot.nodeId then
				self.build.itemsTab:DeleteItem(self.build.itemsTab.items[slot.selItemId])
			end
		end
	end
	local skillOrder
	if self.controls.charImportItemsClearSkills.state then
		skillOrder = { }
		for _, socketGroup in ipairs(self.build.skillsTab.socketGroupList) do
			for _, gem in ipairs(socketGroup.gemList) do
				if gem.grantedEffect and not gem.grantedEffect.support then
					t_insert(skillOrder, gem.grantedEffect.name)
				end
			end
		end
		wipeTable(self.build.skillsTab.socketGroupList)
	end
	self.charImportStatus = colorCodes.POSITIVE.."Items and skills successfully imported."
	--ConPrintTable(charItemData)
	for _, itemData in pairs(charItemData.items) do
		self:ImportItem(itemData)
	end
	if skillOrder then
		local groupOrder = { }
		for index, socketGroup in ipairs(self.build.skillsTab.socketGroupList) do
			groupOrder[socketGroup] = index
		end
		table.sort(self.build.skillsTab.socketGroupList, function(a, b)
			local orderA
			for _, gem in ipairs(a.gemList) do
				if gem.grantedEffect and not gem.grantedEffect.support then
					local i = isValueInArray(skillOrder, gem.grantedEffect.name)
					if i and (not orderA or i < orderA) then
						orderA = i
					end
				end
			end
			local orderB
			for _, gem in ipairs(b.gemList) do
				if gem.grantedEffect and not gem.grantedEffect.support then
					local i = isValueInArray(skillOrder, gem.grantedEffect.name)
					if i and (not orderB or i < orderB) then
						orderB = i
					end
				end
			end
			if orderA and orderB then
				if orderA ~= orderB then
					return orderA < orderB
				else
					return groupOrder[a] < groupOrder[b]
				end
			elseif not orderA and not orderB then
				return groupOrder[a] < groupOrder[b]
			else
				return orderA
			end
		end)
	end
	self.build.itemsTab:PopulateSlots()
	self.build.itemsTab:AddUndoState()
	self.build.skillsTab:AddUndoState()
	self.build.characterLevel = charItemData.character.level
	self.build.controls.characterLevel:SetText(charItemData.character.level)
	self.build.buildFlag = true
	return charItemData.character -- For the wrapper
end

local rarityMap = { [0] = "NORMAL", "MAGIC", "RARE", "UNIQUE", [9] = "RELIC" }
local slotMap = { ["Weapon"] = "Weapon 1", ["Offhand"] = "Weapon 2", ["Weapon2"] = "Weapon 1 Swap", ["Offhand2"] = "Weapon 2 Swap", ["Helm"] = "Helmet", ["BodyArmour"] = "Body Armour", ["Gloves"] = "Gloves", ["Boots"] = "Boots", ["Amulet"] = "Amulet", ["Ring"] = "Ring 1", ["Ring2"] = "Ring 2", ["Belt"] = "Belt" }

function ImportTabClass:ImportItem(itemData, slotName)
	if not slotName then
		if itemData.inventoryId == "PassiveJewels" then
			slotName = "Jewel "..self.build.latestTree.jewelSlots[itemData.x + 1]
		elseif itemData.inventoryId == "Flask" then
			slotName = "Flask "..(itemData.x + 1)
		else
			slotName = slotMap[itemData.inventoryId]
		end
	end
	if not slotName then
		-- Ignore any items that won't go into known slots
		return
	end

	local item = new("Item", self.build.targetVersion)

	-- Determine rarity, display name and base type of the item
	item.rarity = rarityMap[itemData.frameType]
	if #itemData.name > 0 then
		item.title = itemLib.sanitiseItemText(itemData.name)
		item.baseName = itemLib.sanitiseItemText(itemData.typeLine):gsub("Synthesised ","")
		item.name = item.title .. ", " .. item.baseName
		if item.baseName == "Two-Toned Boots" then
			-- Hack for Two-Toned Boots
			item.baseName = "Two-Toned Boots (Armour/Energy Shield)"
		end
		item.base = self.build.data.itemBases[item.baseName]
		if item.base then
			item.type = item.base.type
		else
			ConPrintf("Unrecognised base in imported item: %s", item.baseName)
		end
	else
		item.name = itemLib.sanitiseItemText(itemData.typeLine)
		for baseName, baseData in pairs(self.build.data.itemBases) do
			local s, e = item.name:find(baseName, 1, true)
			if s then
				item.baseName = baseName
				item.namePrefix = item.name:sub(1, s - 1)
				item.nameSuffix = item.name:sub(e + 1)
				item.type = baseData.type
				break
			end
		end
		if not item.baseName then
			local s, e = item.name:find("Two-Toned Boots", 1, true)
			if s then
				-- Hack for Two-Toned Boots
				item.baseName = "Two-Toned Boots (Armour/Energy Shield)"
				item.namePrefix = item.name:sub(1, s - 1)
				item.nameSuffix = item.name:sub(e + 1)
				item.type = "Boots"
			end
		end
		item.base = self.build.data.itemBases[item.baseName]
	end
	if not item.base or not item.rarity then
		return
	end

	-- Import item data
	item.uniqueID = itemData.id
	item.shaper = itemData.shaper
	item.elder = itemData.elder
	if itemData.ilvl > 0 then
		item.itemLevel = itemData.ilvl
	end
	if item.base.weapon or item.base.armour or item.base.flask then
		item.quality = 0
	end
	if itemData.properties then
		for _, property in pairs(itemData.properties) do
			if property.name == "Quality" then
				item.quality = tonumber(property.values[1][1]:match("%d+"))
			elseif property.name == "Radius" then
				for index, data in pairs(self.build.data.jewelRadius) do
					if property.values[1][1] == data.label then
						item.jewelRadiusIndex = index
						break
					end
				end
			elseif property.name == "Limited to" then
				item.limit = tonumber(property.values[1][1])
			elseif property.name == "Evasion Rating" then
				if item.baseName == "Two-Toned Boots (Armour/Energy Shield)" then
					-- Another hack for Two-Toned Boots
					item.baseName = "Two-Toned Boots (Armour/Evasion)"
					item.base = self.build.data.itemBases[item.baseName]
				end
			elseif property.name == "Energy Shield" then
				if item.baseName == "Two-Toned Boots (Armour/Evasion)" then
					-- Yet another hack for Two-Toned Boots
					item.baseName = "Two-Toned Boots (Evasion/Energy Shield)"
					item.base = self.build.data.itemBases[item.baseName]
				end
			end
		end
	end
	item.corrupted = itemData.corrupted
	item.fractured = itemData.fractured
	item.synthesised = itemData.synthesised
	if itemData.sockets and itemData.sockets[1] then
		item.sockets = { }
		for i, socket in pairs(itemData.sockets) do
			item.sockets[i] = { group = socket.group, color = socket.sColour }
		end
	end
	if itemData.socketedItems then
		self:ImportSocketedItems(item, itemData.socketedItems, slotName)
	end
	if itemData.requirements and (not itemData.socketedItems or not itemData.socketedItems[1]) then
		-- Requirements cannot be trusted if there are socketed gems, as they may override the item's natural requirements
		item.requirements = { }
		for _, req in ipairs(itemData.requirements) do
			if req.name == "Level" then
				item.requirements.level = req.values[1][1]
			end
		end
	end
	item.enchantModLines = { }
	item.implicitModLines = { }
	item.explicitModLines = { }
	if itemData.enchantMods then
		for _, line in ipairs(itemData.enchantMods) do
			for line in line:gmatch("[^\n]+") do
				local modList, extra = modLib.parseMod[self.build.targetVersion](line)
				t_insert(item.enchantModLines, { line = line, extra = extra, mods = modList or { }, crafted = true })
			end
		end
	end
	if itemData.implicitMods then
		for _, line in ipairs(itemData.implicitMods) do
			for line in line:gmatch("[^\n]+") do
				local modList, extra = modLib.parseMod[self.build.targetVersion](line)
				t_insert(item.implicitModLines, { line = line, extra = extra, mods = modList or { } })
			end
		end
	end
	if itemData.fracturedMods then
		for _, line in ipairs(itemData.fracturedMods) do
			for line in line:gmatch("[^\n]+") do
				local modList, extra = modLib.parseMod[self.build.targetVersion](line)
				t_insert(item.explicitModLines, { line = line, extra = extra, mods = modList or { }, fractured = true })
			end
		end
	end
	if itemData.explicitMods then
		for _, line in ipairs(itemData.explicitMods) do
			for line in line:gmatch("[^\n]+") do
				local modList, extra = modLib.parseMod[self.build.targetVersion](line)
				t_insert(item.explicitModLines, { line = line, extra = extra, mods = modList or { } })
			end
		end
	end
	if itemData.craftedMods then
		for _, line in ipairs(itemData.craftedMods) do
			for line in line:gmatch("[^\n]+") do
				local modList, extra = modLib.parseMod[self.build.targetVersion](line)
				t_insert(item.explicitModLines, { line = line, extra = extra, mods = modList or { }, crafted = true })
			end
		end
	end

	-- Add and equip the new item
	item:BuildAndParseRaw()
	--ConPrintf("%s", item.raw)
	if item.base then
		local repIndex, repItem
		for index, item in pairs(self.build.itemsTab.items) do
			if item.uniqueID == itemData.id then
				repIndex = index
				repItem = item
				break
			end
		end
		if repIndex then
			-- Item already exists in the build, overwrite it
			item.id = repItem.id
			self.build.itemsTab.items[item.id] = item
			item:BuildModList()
		else
			self.build.itemsTab:AddItem(item, true)
		end
		self.build.itemsTab.slots[slotName]:SetSelItemId(item.id)
	end
end

function ImportTabClass:ImportSocketedItems(item, socketedItems, slotName)
	-- Build socket group list
	local itemSocketGroupList = { }
	local abyssalSocketId = 1
	for _, socketedItem in ipairs(socketedItems) do
		if socketedItem.abyssJewel then
			self:ImportItem(socketedItem, slotName .. " Abyssal Socket "..abyssalSocketId)
			abyssalSocketId = abyssalSocketId + 1
		else
			local gemId = self.build.data.gemForBaseName[socketedItem.typeLine] 
			if not gemId and socketedItem.hybrid then
				-- Dual skill gems (currently just Stormbind) show the second skill as the typeLine, which won't match the actual gem
				-- Luckily the primary skill name is also there, so we can find the gem using that
				gemId = self.build.data.gemForBaseName[socketedItem.hybrid.baseTypeName]
			end
			if gemId then
				local gemInstance = { level = 20, quality = 0, enabled = true, enableGlobal1 = true, gemId = gemId }
				gemInstance.nameSpec = self.build.data.gems[gemId].name
				gemInstance.support = socketedItem.support
				for _, property in pairs(socketedItem.properties) do
					if property.name == "Level" then
						gemInstance.level = tonumber(property.values[1][1]:match("%d+"))
					elseif property.name == "Quality" then
						gemInstance.quality = tonumber(property.values[1][1]:match("%d+"))
					end
				end
				local groupID = item.sockets[socketedItem.socket + 1].group
				if not itemSocketGroupList[groupID] then
					itemSocketGroupList[groupID] = { label = "", enabled = true, gemList = { }, slot = slotName }
				end
				local socketGroup = itemSocketGroupList[groupID]
				if not socketedItem.support and socketGroup.gemList[1] and socketGroup.gemList[1].support then
					-- If the first gemInstance is a support gemInstance, put the first active gemInstance before it
					t_insert(socketGroup.gemList, 1, gemInstance)
				else
					t_insert(socketGroup.gemList, gemInstance)
				end
			end
		end
	end

	-- Import the socket groups
	for _, itemSocketGroup in pairs(itemSocketGroupList) do
		-- Check if this socket group matches an existing one
		local repGroup
		for index, socketGroup in pairs(self.build.skillsTab.socketGroupList) do
			if #socketGroup.gemList == #itemSocketGroup.gemList and (not socketGroup.slot or socketGroup.slot == slotName) then
				local match = true
				for gemIndex, gem in pairs(socketGroup.gemList) do
					if gem.nameSpec:lower() ~= itemSocketGroup.gemList[gemIndex].nameSpec:lower() then
						match = false
						break
					end
				end
				if match then
					repGroup = socketGroup
					break
				end
			end
		end
		if repGroup then
			-- Update the existing one
			for gemIndex, gem in pairs(repGroup.gemList) do
				local itemGem = itemSocketGroup.gemList[gemIndex]
				gem.level = itemGem.level
				gem.quality = itemGem.quality
			end
		else
			t_insert(self.build.skillsTab.socketGroupList, itemSocketGroup)
		end
		self.build.skillsTab:ProcessSocketGroup(itemSocketGroup)
	end	
end

function ImportTabClass:OpenPastebinImportPopup()
	local controls = { }
	controls.editLabel = new("LabelControl", nil, 0, 20, 0, 16, "Enter Pastebin.com link:")
	controls.edit = new("EditControl", nil, 0, 40, 250, 18, "", nil, "^%w%p%s", nil, function(buf)
		controls.msg.label = ""
	end)
	controls.msg = new("LabelControl", nil, 0, 58, 0, 16, "")
	controls.import = new("ButtonControl", nil, -45, 80, 80, 20, "Import", function()
		controls.import.enabled = false
		controls.msg.label = "Retrieving paste..."
		controls.edit.buf = controls.edit.buf:gsub("^%s+", ""):gsub("%s+$", "") -- Quick Trim
		launch:DownloadPage(controls.edit.buf:gsub("pastebin%.com/(%w+)%s*$","pastebin.com/raw/%1"), function(page, errMsg)
			if errMsg then
				controls.msg.label = "^1"..errMsg
				controls.import.enabled = true
			else
				self.controls.importCodeIn:SetText(page, true)
				main:ClosePopup()
			end
		end)
	end)
	controls.import.enabled = function()
		return #controls.edit.buf > 0 and controls.edit.buf:match("pastebin%.com/%w+")
	end
	controls.cancel = new("ButtonControl", nil, 45, 80, 80, 20, "Cancel", function()
		main:ClosePopup()
	end)
	main:OpenPopup(280, 110, "Import from Pastebin", controls, "import", "edit")
end

function ImportTabClass:ProcessJSON(json)
	local func, errMsg = loadstring("return "..jsonToLua(json))
	if errMsg then
		return nil, errMsg
	end
	setfenv(func, { }) -- Sandbox the function just in case
	local data = func()
	if type(data) ~= "table" then
		return nil, "Return type is not a table"
	end
	return data
end
