-- Refresh Lib
-- CRIEVE NOTE: Once condensed and the bulk of this lib move elsewhere,
-- this lib can be moved elsewhere. (It'll literally be a definition for an event handler)
local _, app = ...;
local coroutine, InCombatLockdown = coroutine, InCombatLockdown;

-- for the first auto-refresh, don't actually print to chat since some users don't like that auto-chat on login
local print = app.EmptyFunction;
local __FirstRefresh = true;
local IsRefreshing

if app.IsRetail then
-- CRIEVE NOTE: I really don't like the explicit listed data here
-- I'd much rather have parser export these.
local math_max, tonumber, type, select, pcall, ipairs, pairs =
	  math.max, tonumber, type, select, pcall, ipairs, pairs;
local GetAchievementInfo =
	  GetAchievementInfo;
local ATTAccountWideData

-- TODO: try making a NonCollectibleQuest wrapper, and wrapping un-completable quests in the wrapper

local function CacheAccountWideCompleteViaAchievement()
	-- Cache some collection states for account wide quests that aren't actually granted account wide and can be flagged using an achievementID. (Allied Races)
	local collected;
	local acctQuests, oneTimeQuests = ATTAccountWideData.Quests, ATTAccountWideData.OneTimeQuests;
	local IsQuestFlaggedCompleted = app.IsQuestFlaggedCompleted;
	-- achievement collection state isn't readily available when ADDON_LOADED fires, so we do it here to ensure we get a valid state for matching
	for _,achievementQuests in ipairs({
		{ 12453, { 49973, 49613, 49354, 49614 } },	-- Allied Races: Nightborne
		{ 12517, { 53466, 53467, 53354, 53353, 53355, 52942, 52943, 52945, 52955, 51479 } },	-- Allied Races: Mag'har
		{ 13156, { 53831, 53823, 53824, 54419, 53826, 54301, 54925, 54300, 53825, 53827, 53828, 54031, 54033, 54032, 54034, 53830, 53719 } },	-- Allied Races: Zandalari Troll
		{ 12452, { 48066, 48067, 49756, 48079, 41884, 41764, 48185, 41799, 48190, 41800, 48434, 41815, 41840, 41882, 41841, 48403, 48433 } },	-- Allied Races: Highmountain Tauren
		{ 12450, { 49787, 48962 } },	-- Allied Races: Void Elf
		{ 12516, { 51813, 53351, 53342, 53352, 51474, 53566 } },	-- Allied Races: Dark Iron Dwarf
		{ 12451, { 49698, 49266, 50071 } },	-- Allied Races: Lightforged Draenei
		{ 13157, { 54706, 55039, 55043, 54708, 54721, 54723, 54725, 54726, 54727, 54728, 54730, 54731, 54729, 54732, 55136, 54733, 54734, 54735, 54851, 53720 } },	-- Allied Races: Kul Tiran
		{ 14012, { 58214, 57486, 57487, 57488, 57490, 57491, 57492, 57493, 57494, 57496, 57495, 57497 } },	-- Allied Races: Mechagnome
		{ 13207, { 53870, 53889, 53890, 53891, 53892, 53893, 53894, 53895, 53897, 53898, 54026, 53899, 58087, 53901, 53900, 53902, 54027, 53903, 53904, 53905, 54036, 53906, 53907, 53908, 57448 } },	-- Allied Races: Vulpera
		-- Garrison Shipyard Equipment Blueprints
		{ 10372, { 38932 } },	-- Equipment Blueprint: Bilge Pump
		{ 10373, { 39366 } },	-- Equipment Blueprint: Felsmoke Launchers
		{ 10374, { 39356 } },	-- Equipment Blueprint: High Intensity Fog Lights
		{ 10375, { 39365 } },	-- Equipment Blueprint: Ghostly Spyglass
		{ 10376, { 39364 } },	-- Equipment Blueprint: Gyroscopic Internal Stabilizer
		{ 10377, { 39363 } },	-- Equipment Blueprint: Ice Cutter
		{ 10378, { 39355 } },	-- Equipment Blueprint: Trained Shark Tank
		{ 10379, { 39360 } },	-- Equipment Blueprint: True Iron Rudder
		-- stupid pet tamer breadcrumbs that are once per account (there may be more breadcrumbs for the questline that need to be added here)
		-- these aren't really 'once per account' in that only a single character gets credit.
		-- all 5 quests of the faction are marked completed account-wide, and the other 5 can never be completed on that account
		-- { 6603, { 32008 } },	-- Taming Eastern Kingdoms / Audrey Burnhep (A)
		-- { 6602, { 32009 } },	-- Taming Kalimdor / Varzok (H)
	}) do
		-- If you completed the achievement, then mark the associated quests.
		collected = select(4, GetAchievementInfo(achievementQuests[1]));
		for _,questID in ipairs(achievementQuests[2]) do
			if collected then
				-- Mark the quest as 'completed' for the Account
				acctQuests[questID] = 2;
				if not oneTimeQuests[questID] and IsQuestFlaggedCompleted(questID) then
					-- this once-per-account quest only counts for a specific character
					oneTimeQuests[questID] = app.GUID;
				end
			end
			-- otherwise indicate the one-time-nature of the quest
			if oneTimeQuests[questID] == nil then
				oneTimeQuests[questID] = false;
			end
		end
	end
end

local function CacheAccountWideMiscQuests()
	local acctQuests, oneTimeQuests = ATTAccountWideData.Quests, ATTAccountWideData.OneTimeQuests;
	local IsQuestFlaggedCompleted = app.IsQuestFlaggedCompleted;

	-- Cache some collection states for misc. once-per-account quests
	for _,questID in ipairs({
		-- BFA Mission/Outpost Quests which trigger locking Account-Wide HQTs
		52478,	-- Hillcrest Pasture (Mission Completion)
		52479,	-- Hillcrest Pasture (BFA Horde Outpost Unlock)
		52313,	-- Mudfisher Cove (Mission Completion)
		52314,	-- Mudfisher Cove (BFA Horde Outpost Unlock)
		52221,	-- Stonefist Watch (Mission Completion)
		52222,	-- Stonefist Watch (BFA Horde Outpost Unlock)
		52776,	-- Stonetusk Watch (Mission Completion)
		52777,	-- Stonetusk Watch (BFA Horde Outpost Unlock)
		52275,	-- Swiftwind Post (Mission Completion)
		52276,	-- Swiftwind Post (BFA Horde Outpost Unlock)
		52319,	-- Windfall Cavern (Mission Completion)
		52320,	-- Windfall Cavern (BFA Horde Outpost Unlock)
		52005,	-- The Wolf's Den (Mission Completion)
		52127,	-- The Wolf's Den (BFA Horde Outpost Unlock)
		53151,	-- Wolves For The Den (Mission Completion)
		53152,	-- Wolves For The Den (BFA Horde Outpost Upgrade)

		53006,	-- Grimwatt's Crash (Mission Completion)
		53007,	-- Grimwatt's Crash (BFA Alliance Outpost Unlock)
		52801,	-- Veiled Grotto (Mission Completion)
		52802,	-- Veiled Grotto (BFA Alliance Outpost Unlock)
		52962,	-- Mistvine Ledge (Mission Completion)
		52963,	-- Mistvine Ledge (BFA Alliance Outpost Unlock)
		52851,	-- Mugamba Overlook (Mission Completion)
		52852,	-- Mugamba Overlook (BFA Alliance Outpost Unlock)
		52886,	-- Verdant Hollow (Mission Completion)
		52888,	-- Verdant Hollow (BFA Alliance Outpost Unlock)
		53043,	-- Vulture's Nest (Mission Completion)
		53044,	-- Vulture's Nest (BFA Alliance Outpost Unlock)

		-- These are BOTH once-per-account (single character) completion & shared account-wide lockout groups (likely due to locking Account-Wide HQTs)
		53063,	-- A Mission of Unity (BFA Alliance WQ Unlock)
		53064,	-- A Mission of Unity (BFA Horde WQ Unlock)

		53061,	-- The Azerite Advantage (BFA Alliance Island Unlock / AWHQT 51994)
		53062,	-- The Azerite Advantage (BFA Horde Island Unlock / AWHQT 51994)

		53055,	-- Pushing Our Influence (BFA Horde PreQ for 1st Foothold)
		53056,	-- Pushing Our Influence (BFA Alliance PreQ for 1st Foothold)

		53207,	-- The Warfront Looms (BFA Horde Warfront Breadcrumb)
		53175,	-- The Warfront Looms (BFA Alliance Warfront Breadcrumb)

		-- Shard Labor
		61229,	-- forging the Crystal Mallet of the Heralds
		61191,	-- ringing the Vesper of the Silver Wind
		61183,	-- looting the Gift of the Silver Wind

		-- Ve'nari Items (The Quest Bonus is Accwide but quests itself are not accwide)
		63193,	-- Bangle of Seniority
		63523,	-- Broker Traversam Enhancer
		63183,	-- Extradimensional Pockets
		63201,	-- Loupe of Unusual Charm
		61144,	-- Possibility Matrix
		63200,	-- Rang Insignia: Acquisitionist
		63204,	-- Ritual Prism of Fortune
		63202,	-- Vessel of Unfortunate Spirits

		-- Druid forms
		65047,	-- Mark of the Nightwing Raven

		-- Heritage
		51483,	-- Heritage o' the Dark Iron
		49783,	-- Heritage of Highmountain
		53722,	-- Heritage of the Kul Tiran
		49782,	-- Heritage of the Lightforged
		51484,	-- Heritage of the Mag'har
		58436,	-- Heritage of the Mechagnome
		49784,	-- Heritage of the Nightborne
		49928,	-- Heritage of the Void
		58435,	-- Heritage of the Vulpera
		53721,	-- Heritage of the Zandalari
		-- etc.

		-- Account Unlocks
		74576,	-- Restored Hakkari Bijou [Zul'Gurub]

		-- No additional HQT on completion, and once per account
		88947,	-- Undermined Delves

	}) do
		-- If this Character has the Quest completed and it is not marked as completed for Account or not for specific Character
		if not oneTimeQuests[questID] and IsQuestFlaggedCompleted(questID) then
			-- Mark the quest as completed for the Account
			acctQuests[questID] = 1;
			-- Mark the character which completed the Quest
			oneTimeQuests[questID] = app.GUID;
		end
		-- otherwise indicate the one-time-nature of the quest
		if oneTimeQuests[questID] == nil then
			oneTimeQuests[questID] = false;
		end
	end
end

local function CacheAccountWideSharedQuests()
	local acctQuests = ATTAccountWideData.Quests;
	local IsQuestFlaggedCompleted = app.IsQuestFlaggedCompleted;
	local anyComplete;
	-- Check for fixing Blizzard's incompetence in consistency for shared account-wide quest eligibility which is only granted to some of the shared account-wide quests
	for _,questGroup in ipairs({
		{ 32008, 32009, 31878, 31879, 31880, 31881, 31882, 31883, 31884, 31885, },	-- Pet Battle Intro quests
		{
			53063,	-- A Mission of Unity (BFA Alliance WQ Unlock)
			53064,	-- A Mission of Unity (BFA Horde WQ Unlock)
		},
		{
			53061,	-- The Azerite Advantage (BFA Alliance Island Unlock / AWHQT 51994)
			53062,	-- The Azerite Advantage (BFA Horde Island Unlock / AWHQT 51994)
		},
		{
			53055,	-- Pushing Our Influence (BFA Horde PreQ for 1st Foothold)
			53056,	-- Pushing Our Influence (BFA Alliance PreQ for 1st Foothold)
		},
		{
			53207,	-- The Warfront Looms (BFA Horde Warfront Breadcrumb)
			53175,	-- The Warfront Looms (BFA Alliance Warfront Breadcrumb)
		},
		{
			31977,	-- The Returning Champion (Horde Winterspring Pass Pet Battle Quest)
			31975,	-- The Returning Champion (Alliance Winterspring Pass Pet Battle Quest)
		},
		{
			31980,	-- The Returning Champion (Horde Deadwind Pass Pet Battle Quest)
			31976,	-- The Returning Champion (Alliance Deadwind Pass Pet Battle Quest)
		},
	}) do
		for _,questID in ipairs(questGroup) do
			-- If this Character has the Quest completed
			if IsQuestFlaggedCompleted(questID) then
				-- Mark the quest as completed for the Account
				acctQuests[questID] = 1;
				anyComplete = true;
			end
		end
		-- if any of the quest group is considered complete, then the rest need to be considered 'complete' as well since they can never be actually completed on the account
		if anyComplete then
			for _,questID in ipairs(questGroup) do
				-- Mark the quest completion since it's not 'really' completed
				if not acctQuests[questID] then
					acctQuests[questID] = 2;
				end
			end
		end
		anyComplete = nil;
	end
end

local function FixNonOneTimeQuests()
	local oneTimeQuests = ATTAccountWideData.OneTimeQuests;

	-- if we ever erroneously add an account-wide quest and find out it isn't put it here so it reverts back to being handled as a normal quest
	-- quests in AccountWideQuestsDB will automatically be removed from OneTimeQuests
	for _,questID in ipairs({
		32008,	-- Audrey Burnhep (A)
		32009,	-- Varzok (H)
		62038,	-- Handful of Oats
		62042,	-- Grooming Brush
		62047,	-- Sturdy Horseshoe
		62049,	-- Bucket of Clean Water
		62048,	-- Comfortable Saddle Blanket
		62050,	-- Dredhollow Apple
	}) do
		oneTimeQuests[questID] = nil;
	end
	for questID,_ in pairs(app.AccountWideQuestsDB) do
		oneTimeQuests[questID] = nil;
	end
end

local OneTimeFixFunctions = {
	-- ref. https://github.com/ATTWoWAddon/AllTheThings/commit/d1b02b8021a7f2aa80c03d212a2ea54a443e9117
	Spell148972 = function()
		local ATTCharacterData = app.LocalizeGlobalIfAllowed("ATTCharacterData", true);
		local found
		for charGuid,charData in pairs(ATTCharacterData) do
			if charData.Spells and charData.Spells[148972] then
				charData.Spells[148972] = nil
				found = true
			end
		end
		if found then
			app.print(app.Modules.Color.Colorize("One-Time removal for inaccurate cached data performed!", app.Colors.Account),
						"If any character knows",
						app:Linkify("Spell 148972", app.Colors.ChatLink,"search:spellID:148972"),
						"they will need to log in to properly re-collect in ATT")
		end
	end,
	-- ref. https://github.com/ATTWoWAddon/AllTheThings/commit/d1b02b8021a7f2aa80c03d212a2ea54a443e9117
	Spell241857 = function()
		local ATTCharacterData = app.LocalizeGlobalIfAllowed("ATTCharacterData", true);
		local found
		for charGuid,charData in pairs(ATTCharacterData) do
			if charData.Spells and charData.Spells[241857] then
				charData.Spells[241857] = nil
				found = true
			end
		end
		if found then
			app.print(app.Modules.Color.Colorize("One-Time removal for inaccurate cached data performed!", app.Colors.Account),
						"If any character knows",
						app:Linkify("Spell 241857", app.Colors.ChatLink,"search:spellID:241857"),
						"they will need to log in to properly re-collect in ATT")
		end
	end,
}

local function OneTimeFixes()
	if not ATTAccountWideData.OneTimeFixes then ATTAccountWideData.OneTimeFixes = {} end
	local appliedFixes = ATTAccountWideData.OneTimeFixes

	for fix,func in pairs(OneTimeFixFunctions) do
		if not appliedFixes[fix] then
			appliedFixes[fix] = 1
			func(ATTAccountWideData)
		end
	end

	OneTimeFixFunctions = nil
end

local function CheckOncePerAccountQuestsForCharacter()
	-- Double check if any once-per-account quests which haven't been detected as being completed are completed by this character
	local acctQuests, oneTimeQuests = ATTAccountWideData.Quests, ATTAccountWideData.OneTimeQuests;
	local IsQuestFlaggedCompleted = app.IsQuestFlaggedCompleted;
	local charGuid = app.GUID;
	for questID,questGuid in pairs(oneTimeQuests) do
		-- If this Character has the Quest completed and it is not marked as completed for Account or not for specific Character
		if IsQuestFlaggedCompleted(questID) then
			-- Throw up a warning to report if this was already completed by another character
			if questGuid and questGuid ~= charGuid then
				app.PrintDebug("One-Time-Quest ID " .. app:Linkify(questID,app.Colors.ChatLink,"search:questID:"..questID) .. " was previously marked as completed, but is also completed on the current character!");
			end
			-- Mark the quest as completed for the Account
			acctQuests[questID] = 1;
			-- Mark the character which completed the Quest
			oneTimeQuests[questID] = charGuid;
		end
	end
end

app.AddEventHandler("OnRefreshCollections", CacheAccountWideCompleteViaAchievement)
app.AddEventHandler("OnRefreshCollections", CacheAccountWideMiscQuests)
app.AddEventHandler("OnRefreshCollections", CacheAccountWideSharedQuests)
app.AddEventHandler("OnRefreshCollections", CheckOncePerAccountQuestsForCharacter)

local RefreshCollections = function()
	-- Execute the OnRefreshCollections handlers.
	app.HandleEvent("OnRefreshCollections")
end
-- [Event]Done is called automatically when processed by a Runner and it completes the set of functions
app.AddEventHandler("OnRefreshCollectionsDone", function()
	-- Report success once refresh is done
	print(app.L.DONE_REFRESHING);
	if __FirstRefresh then
		__FirstRefresh = nil;
		print = app.print;
	end
	IsRefreshing = nil
end)
app.AddEventHandler("OnSavedVariablesAvailable", function(currentCharacter, accountWideData)
	ATTAccountWideData = accountWideData
	OneTimeFixes()
end)
app.AddEventHandler("OnAfterSavedVariablesAvailable", function()
	FixNonOneTimeQuests()
end)
app.RefreshCollections = function()
	if IsRefreshing then return end
	IsRefreshing = true
	if InCombatLockdown() then
		print(app.L.REFRESHING_COLLECTION,"(",COMBAT,")");
	else
		print(app.L.REFRESHING_COLLECTION);
	end

	app.CallbackHandlers.AfterCombatCallback(RefreshCollections)
end
app.AddEventHandler("OnReady", app.RefreshCollections)

else	-- Classic
local RefreshCollections = function()
	if InCombatLockdown() then
		print(app.L.REFRESHING_COLLECTION,"(",COMBAT,")");
		while InCombatLockdown() do coroutine.yield(); end
	else
		print(app.L.REFRESHING_COLLECTION);
	end
	coroutine.yield();

	-- Execute the OnRefreshCollections handlers.
	app.HandleEvent("OnRefreshCollections");
	coroutine.yield();

	app:RefreshDataCompletely("RefreshCollections");
	print(app.L.DONE_REFRESHING);
	if __FirstRefresh then
		__FirstRefresh = nil;
		print = app.print;
	end
	IsRefreshing = nil
end
app.RefreshCollections = function()
	if IsRefreshing then return end
	IsRefreshing = true
	app:StartATTCoroutine("RefreshingCollections", RefreshCollections)
end
-- TODO: test Classic with this as 'OnReady'
app.AddEventHandler("OnInit", app.RefreshCollections)
end