--[[ Spell Cache store all spells shown on frames and make able to change spells name, icons, etc... ]]

do 

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--> On The Fly SpellCache

	local _detalhes = 	_G._detalhes
	local Loc = LibStub ("AceLocale-3.0"):GetLocale ( "Details" )
	local _
	local _rawget	=	rawget
	local _rawset	=	rawset
	local _setmetatable =	setmetatable
	local _GetSpellInfo =	GetSpellInfo
	local _unpack	=	unpack

	--> is this a timewalking exp?
	local is_classic_exp = DetailsFramework.IsClassicWow()

	--> default container
	_detalhes.spellcache =	{}
	local unknowSpell = {Loc ["STRING_UNKNOWSPELL"], _, "Interface\\Icons\\Ability_Druid_Eclipse"} --> localize-me
	
	local AllSpellNames
	if (is_classic_exp) then
		AllSpellNames = {}
		local GetSpellInfo = GetSpellInfo
		for i = 1, 60000 do
			local name, _, icon = GetSpellInfo(i)
			if name and icon and icon ~= 136235 and not AllSpellNames[name] then
				AllSpellNames[name] = icon
			end
		end
	end

	local GetSpellInfoClassic = function(spell)
		local spellName, _, spellIcon

		if (spell == 0) then
			spellName = ATTACK or "It's Blizzard Fault!"
			spellIcon = [[Interface\ICONS\INV_Sword_04]]

		elseif (spell == "!Melee" or spell == 1) then
			spellName = ATTACK or "It's Blizzard Fault!"
			spellIcon = [[Interface\ICONS\INV_Sword_04]]

		elseif (spell == "!Autoshot" or spell == 2) then
			spellName = Loc ["STRING_AUTOSHOT"]
			spellIcon = [[Interface\ICONS\INV_Weapon_Bow_07]]

		else
			spellName, _, spellIcon = GetSpellInfo (spell)
		end
		
		if (not spellName) then
			return spell, _, AllSpellNames [spell] or defaultSpellIcon
		end
		
		return spellName, _, AllSpellNames [spell] or spellIcon
	end

	--> reset spell cache
	function _detalhes:ClearSpellCache()
		_detalhes.spellcache = _setmetatable ({}, 
				{__index = function (tabela, valor) 
					local esta_magia = _rawget (tabela, valor)
					if (esta_magia) then
						return esta_magia
					end

					--> should save only icon and name, other values are not used
					if (valor) then --> check if spell is valid before
						local cache
						if (is_classic_exp) then
							cache = {GetSpellInfoClassic(valor)}
						else
							cache = {_GetSpellInfo (valor)}
						end
						tabela [valor] = cache
						return cache
					else
						return unknowSpell
					end
					
				end})

		--> default overwrites
		--_rawset (_detalhes.spellcache, 1, {Loc ["STRING_MELEE"], 1, "Interface\\AddOns\\Details\\images\\melee.tga"})
		--_rawset (_detalhes.spellcache, 2, {Loc ["STRING_AUTOSHOT"], 1, "Interface\\AddOns\\Details\\images\\autoshot.tga"})
		
		--> built-in overwrites
		for spellId, spellTable in pairs (_detalhes.SpellOverwrite) do
			local name, _, icon = _GetSpellInfo (spellId)
			_rawset (_detalhes.spellcache, spellId, {spellTable.name or name, 1, spellTable.icon or icon})
		end
		
		--> user overwrites
		-- [1] spellid [2] spellname [3] spellicon
		for index, spellTable in ipairs (_detalhes.savedCustomSpells) do
			_rawset (_detalhes.spellcache, spellTable [1], {spellTable [2], 1, spellTable [3]})
		end
	end
	
	local lightOfTheMartyr_Name, _, lightOfTheMartyr_Icon = _GetSpellInfo (196917)
	lightOfTheMartyr_Name = lightOfTheMartyr_Name or "Deprecated Spell - Light of the Martyr"
	lightOfTheMartyr_Icon = lightOfTheMartyr_Icon or ""

	local defaultSpellCustomization = {}

	if (DetailsFramework.IsClassicWow()) then
		defaultSpellCustomization = {
			[1] = {name = Loc ["STRING_MELEE"], icon = [[Interface\ICONS\INV_Sword_04]]},
			[2] = {name = Loc ["STRING_AUTOSHOT"], icon = [[Interface\ICONS\INV_Weapon_Bow_07]]},
			[3] = {name = Loc ["STRING_ENVIRONMENTAL_FALLING"], icon = [[Interface\ICONS\Spell_Magic_FeatherFall]]},
			[4] = {name = Loc ["STRING_ENVIRONMENTAL_DROWNING"], icon = [[Interface\ICONS\Ability_Suffocate]]},
			[5] = {name = Loc ["STRING_ENVIRONMENTAL_FATIGUE"], icon = [[Interface\ICONS\Spell_Arcane_MindMastery]]},
			[6] = {name = Loc ["STRING_ENVIRONMENTAL_FIRE"], icon = [[Interface\ICONS\INV_SummerFest_FireSpirit]]},
			[7] = {name = Loc ["STRING_ENVIRONMENTAL_LAVA"], icon = [[Interface\ICONS\Ability_Rhyolith_Volcano]]},
			[8] = {name = Loc ["STRING_ENVIRONMENTAL_SLIME"], icon = [[Interface\ICONS\Ability_Creature_Poison_02]]},
		}

	elseif (DetailsFramework.IsTBCWow()) then
		defaultSpellCustomization = {
			[1] = {name = _G["MELEE"], icon = [[Interface\ICONS\INV_Sword_04]]},
			[2] = {name = Loc ["STRING_AUTOSHOT"], icon = [[Interface\ICONS\INV_Weapon_Bow_07]]},
			[3] = {name = Loc ["STRING_ENVIRONMENTAL_FALLING"], icon = [[Interface\ICONS\Spell_Magic_FeatherFall]]},
			[4] = {name = Loc ["STRING_ENVIRONMENTAL_DROWNING"], icon = [[Interface\ICONS\Ability_Suffocate]]},
			[5] = {name = Loc ["STRING_ENVIRONMENTAL_FATIGUE"], icon = [[Interface\ICONS\Spell_Arcane_MindMastery]]},
			[6] = {name = Loc ["STRING_ENVIRONMENTAL_FIRE"], icon = [[Interface\ICONS\INV_SummerFest_FireSpirit]]},
			[7] = {name = Loc ["STRING_ENVIRONMENTAL_LAVA"], icon = [[Interface\ICONS\Ability_Rhyolith_Volcano]]},
			[8] = {name = Loc ["STRING_ENVIRONMENTAL_SLIME"], icon = [[Interface\ICONS\Ability_Creature_Poison_02]]},
		}

	elseif (DetailsFramework.IsWotLKWow()) then
		defaultSpellCustomization = {
			[1] = {name = _G["MELEE"], icon = [[Interface\ICONS\INV_Sword_04]]},
			[2] = {name = Loc ["STRING_AUTOSHOT"], icon = [[Interface\ICONS\INV_Weapon_Bow_07]]},
			[3] = {name = Loc ["STRING_ENVIRONMENTAL_FALLING"], icon = [[Interface\ICONS\Spell_Magic_FeatherFall]]},
			[4] = {name = Loc ["STRING_ENVIRONMENTAL_DROWNING"], icon = [[Interface\ICONS\Ability_Suffocate]]},
			[5] = {name = Loc ["STRING_ENVIRONMENTAL_FATIGUE"], icon = [[Interface\ICONS\Spell_Arcane_MindMastery]]},
			[6] = {name = Loc ["STRING_ENVIRONMENTAL_FIRE"], icon = [[Interface\ICONS\INV_SummerFest_FireSpirit]]},
			[7] = {name = Loc ["STRING_ENVIRONMENTAL_LAVA"], icon = [[Interface\ICONS\Ability_Rhyolith_Volcano]]},
			[8] = {name = Loc ["STRING_ENVIRONMENTAL_SLIME"], icon = [[Interface\ICONS\Ability_Creature_Poison_02]]},
		}

	else
		defaultSpellCustomization = {
			[1] = {name = Loc ["STRING_MELEE"], icon = [[Interface\ICONS\INV_Sword_04]]},
			[2] = {name = Loc ["STRING_AUTOSHOT"], icon = [[Interface\ICONS\INV_Weapon_Bow_07]]},
			[3] = {name = Loc ["STRING_ENVIRONMENTAL_FALLING"], icon = [[Interface\ICONS\Spell_Magic_FeatherFall]]},
			[4] = {name = Loc ["STRING_ENVIRONMENTAL_DROWNING"], icon = [[Interface\ICONS\Ability_Suffocate]]},
			[5] = {name = Loc ["STRING_ENVIRONMENTAL_FATIGUE"], icon = [[Interface\ICONS\Spell_Arcane_MindMastery]]},
			[6] = {name = Loc ["STRING_ENVIRONMENTAL_FIRE"], icon = [[Interface\ICONS\INV_SummerFest_FireSpirit]]},
			[7] = {name = Loc ["STRING_ENVIRONMENTAL_LAVA"], icon = [[Interface\ICONS\Ability_Rhyolith_Volcano]]},
			[8] = {name = Loc ["STRING_ENVIRONMENTAL_SLIME"], icon = [[Interface\ICONS\Ability_Creature_Poison_02]]},
			[98021] = {name = Loc ["STRING_SPIRIT_LINK_TOTEM"]},
			[108271] = {name = GetSpellInfo (108271), icon = "Interface\\Addons\\Details\\images\\icon_astral_shift"},
			[196917] = {name = lightOfTheMartyr_Name .. " (" .. Loc ["STRING_DAMAGE"] .. ")", icon = lightOfTheMartyr_Icon},

			--> bfa trinkets (deprecated)
			[278155] = {name = GetSpellInfo (278155) .. " (Trinket)"}, --[Twitching Tentacle of Xalzaix]
			[279664] = {name = GetSpellInfo (279664) .. " (Trinket)"}, --[Vanquished Tendril of G'huun]
			[278227] = {name = GetSpellInfo (278227) .. " (Trinket)"}, --[T'zane's Barkspines]
			[278383] = {name = GetSpellInfo (278383) .. " (Trinket)"}, --[Azurethos' Singed Plumage]
			[278862] = {name = GetSpellInfo (278862) .. " (Trinket)"}, --[Drust-Runed Icicle]
			[278359] = {name = GetSpellInfo (278359) .. " (Trinket)"}, --[Doom's Hatred]
			[278812] = {name = GetSpellInfo (278812) .. " (Trinket)"}, --[Lion's Grace]
			[270827] = {name = GetSpellInfo (270827) .. " (Trinket)"}, --[Vessel of Skittering Shadows]
			[271071] = {name = GetSpellInfo (271071) .. " (Trinket)"}, --[Conch of Dark Whispers]
			[270925] = {name = GetSpellInfo (270925) .. " (Trinket)"}, --[Hadal's Nautilus]
			[271115] = {name = GetSpellInfo (271115) .. " (Trinket)"}, --[Ignition Mage's Fuse]
			[271462] = {name = GetSpellInfo (271462) .. " (Trinket)"}, --[Rotcrusted Voodoo Doll]
			[271465] = {name = GetSpellInfo (271465) .. " (Trinket)"}, --[Rotcrusted Voodoo Doll]
			[268998] = {name = GetSpellInfo (268998) .. " (Trinket)"}, --[Balefire Branch]
			[271671] = {name = GetSpellInfo (271671) .. " (Trinket)"}, --[Lady Waycrest's Music Box]
			[277179] = {name = GetSpellInfo (277179) .. " (Trinket)"}, --[Dread Gladiator's Medallion]
			[277187] = {name = GetSpellInfo (277187) .. " (Trinket)"}, --[Dread Gladiator's Emblem]
			[277181] = {name = GetSpellInfo (277181) .. " (Trinket)"}, --[Dread Gladiator's Insignia]
			[277185] = {name = GetSpellInfo (277185) .. " (Trinket)"}, --[Dread Gladiator's Badge]
			[278057] = {name = GetSpellInfo (278057) .. " (Trinket)"}, --[Vigilant's Bloodshaper]
		}
	end

	if (LIB_OPEN_RAID_SPELL_CUSTOM_NAMES) then
		for spellId, customTable in pairs(LIB_OPEN_RAID_SPELL_CUSTOM_NAMES) do
			local name = customTable.name
			if (name) then
				defaultSpellCustomization[spellId] = name
			end
		end
	end

	function _detalhes:UserCustomSpellUpdate (index, name, icon)
		local t = _detalhes.savedCustomSpells[index]
		if (t) then
			t [2], t [3] = name or t [2], icon or t [3]
			return _rawset (_detalhes.spellcache, t [1], {t [2], 1, t [3]})
		else
			return false
		end
	end
	
	function _detalhes:UserCustomSpellReset (index)
		local t = _detalhes.savedCustomSpells[index]
		if (t) then
			local spellid = t [1]
			local name, _, icon = _GetSpellInfo (spellid)
			
			if (defaultSpellCustomization [spellid]) then
				name = defaultSpellCustomization [spellid].name
				icon = defaultSpellCustomization [spellid].icon or icon or [[Interface\InventoryItems\WoWUnknownItem01]]
			end
			
			if (not name) then
				name = "Unknown"
			end
			if (not icon) then
				icon = [[Interface\InventoryItems\WoWUnknownItem01]]
			end
			
			_rawset (_detalhes.spellcache, spellid, {name, 1, icon})
			
			t[2] = name
			t[3] = icon
		end
	end
	
	function _detalhes:FillUserCustomSpells()
		for spellid, t in pairs (defaultSpellCustomization) do 
		
			local already_have
			for index, spelltable in ipairs (_detalhes.savedCustomSpells) do 
				if (spelltable [1] == spellid) then
					already_have = spelltable
				end
			end
		
			if (not already_have) then
				local name, _, icon = GetSpellInfo (spellid)
				_detalhes:UserCustomSpellAdd (spellid, t.name or name or "Unknown", t.icon or icon or [[Interface\InventoryItems\WoWUnknownItem01]])	
			end
			
		end
		
		for i = #_detalhes.savedCustomSpells, 1, -1 do
			local spelltable = _detalhes.savedCustomSpells [i]
			local spellid = spelltable [1]
			if (spellid > 10) then
				local exists = _GetSpellInfo (spellid)
				if (not exists) then
					tremove (_detalhes.savedCustomSpells, i)
				end
			end
		end
	end
	
	function _detalhes:UserCustomSpellAdd (spellid, name, icon)
		local is_overwrite = false
		for index, t in ipairs (_detalhes.savedCustomSpells) do 
			if (t [1] == spellid) then
				t[2] = name
				t[3] = icon
				is_overwrite = true
				break
			end
		end
		if (not is_overwrite) then
			tinsert (_detalhes.savedCustomSpells, {spellid, name, icon})
		end
		return _rawset (_detalhes.spellcache, spellid, {name, 1, icon})
	end
	
	function _detalhes:UserCustomSpellRemove (index)
		local t = _detalhes.savedCustomSpells [index]
		if (t) then
			local spellid = t [1]
			local name, _, icon = _GetSpellInfo (spellid)
			if (name) then
				_rawset (_detalhes.spellcache, spellid, {name, 1, icon})
			end
			return tremove (_detalhes.savedCustomSpells, index)
		end
		
		return false
	end
	
	--> overwrite for API GetSpellInfo function
	
	_detalhes.getspellinfo = function (spellid) return _unpack (_detalhes.spellcache[spellid]) end
	_detalhes.GetSpellInfo = _detalhes.getspellinfo

	--> overwrite SpellInfo if the spell is a DoT, so Details.GetSpellInfo will return the name modified
	function _detalhes:SpellIsDot (spellid)
		local spellName, rank, spellIcon = _GetSpellInfo (spellid)
		
		if (spellName) then
			_rawset (_detalhes.spellcache, spellid, {spellName .. Loc ["STRING_DOT"], rank, spellIcon})
		else
			_rawset (_detalhes.spellcache, spellid, {"Unknown DoT Spell? " .. Loc ["STRING_DOT"], rank, [[Interface\InventoryItems\WoWUnknownItem01]]})
		end
	end

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--> Cache All Spells

	function _detalhes:BuildSpellListSlow()

		local load_frame = _G.DetailsLoadSpellCache
		if (load_frame and (load_frame.completed or load_frame.inprogress)) then
			return false
		end
	
		local step = 1
		local max = 160000
		
		if (not load_frame) then
			load_frame = CreateFrame ("frame", "DetailsLoadSpellCache", UIParent)
			load_frame:SetFrameStrata ("DIALOG")
			
			local progress_label = load_frame:CreateFontString ("DetailsLoadSpellCacheProgress", "overlay", "GameFontHighlightSmall")
			progress_label:SetText ("Loading Spells: 0%")
			function _detalhes:BuildSpellListSlowTick()
				progress_label:SetText ("Loading Spells: " .. load_frame:GetProgress() .. "%")
			end
			load_frame.tick = _detalhes:ScheduleRepeatingTimer ("BuildSpellListSlowTick", 1)
			
			function load_frame:GetProgress()
				return math.floor (step / max * 100)
			end
		end
		
		local SpellCache = {a={}, b={}, c={}, d={}, e={}, f={}, g={}, h={}, i={}, j={}, k={}, l={}, m={}, n={}, o={}, p={}, q={}, r={}, s={}, t={}, u={}, v={}, w={}, x={}, y={}, z={}}
		local _string_lower = string.lower
		local _string_sub = string.sub
		local blizzGetSpellInfo = GetSpellInfo
		
		load_frame.inprogress = true
		
		_detalhes.spellcachefull = SpellCache

		load_frame:SetScript ("OnUpdate", function()
			for spellid = step, step+500 do
				local name, _, icon = blizzGetSpellInfo (spellid)
				if (name) then
					local LetterIndex = _string_lower (_string_sub (name, 1, 1)) --> get the first letter
					local CachedIndex = SpellCache [LetterIndex]
					if (CachedIndex) then
						CachedIndex [spellid] = {name, icon}
					end
				end
			end
			
			step = step + 500
			
			if (step > max) then
				step = max
				_G.DetailsLoadSpellCache.completed = true
				_G.DetailsLoadSpellCache.inprogress = false
				_detalhes:CancelTimer (_G.DetailsLoadSpellCache.tick)
				DetailsLoadSpellCacheProgress:Hide()
				load_frame:SetScript ("OnUpdate", nil)
			end
			
		end)
		

		
		return true
	end

	function _detalhes:BuildSpellList()
	
		local SpellCache = {a={}, b={}, c={}, d={}, e={}, f={}, g={}, h={}, i={}, j={}, k={}, l={}, m={}, n={}, o={}, p={}, q={}, r={}, s={}, t={}, u={}, v={}, w={}, x={}, y={}, z={}}
		local _string_lower = string.lower
		local _string_sub = string.sub
		local blizzGetSpellInfo = GetSpellInfo

		for spellid = 1, 160000 do
			local name, rank, icon = blizzGetSpellInfo (spellid)
			if (name) then
				local index = _string_lower (_string_sub (name, 1, 1))
				local CachedIndex = SpellCache [index]
				if (CachedIndex) then
					CachedIndex [spellid] = {name, icon, rank}
				end
			end
		end

		_detalhes.spellcachefull = SpellCache
		return true
	end
	
	function _detalhes:ClearSpellList()
		_detalhes.spellcachefull = nil
		collectgarbage()
	end
	

	
end
