local debug = false
if not WeakAurasSaved then WeakAurasSaved = {} end
if not WeakAurasSaved.Cyka then WeakAurasSaved.Cyka = {} end
if not WeakAurasSaved.Cyka.ItemCache then WeakAurasSaved.Cyka.ItemCache = {} end

-- itemName, itemLink, itemQuality, itemLevel, itemMinLevel, itemType, itemSubType,itemStackCount, itemEquipLoc, itemTexture, sellPrice, classID, subclassID, bindType,expacID, setID, isCraftingReagent = GetItemInfo(slot)
-- lootIcon, lootName, lootQuantity, currencyID, lootQuality, locked, isQuestItem, questID, isActive = GetLootSlotInfo(slot)
-- Link sometimes does not work
local function getItemLink(slot)
    if (slot == nil) then return nil end
    return GetLootSlotLink(slot)
end
local function getItemName(slot)
    if (slot == nil) then return nil end
    return select(2, GetLootSlotInfo(slot))
end
local function getItemType(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(6, GetItemInfo(itemLink))
end
local function getItemSubtype(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(7, GetItemInfo(itemLink))
end
local function getItemLevel(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(4, GetItemInfo(itemLink))
end
local function getItemValue(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(11, GetItemInfo(itemLink))
end
local function getItemQuantity(slot)
    if (slot == nil) then return nil end
    return select(3, GetLootSlotInfo(slot))
end
local function getItemQuality(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(3, GetItemInfo(itemLink))
end
local function getItemEquipLocation(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(9, GetItemInfo(itemLink))
end
local function getItemIcon(slot)
    if (slot == nil) then return nil end
    local itemLink = getItemLink(slot)
    if (itemLink == nil) then return nil end
    return select(10, GetItemInfo(itemLink))
end


local doLoot = function(slot)
    aura_env.debugLog("Looting slot: " .. slot)
    LootSlot(slot)

    local itemIcon = getItemIcon(slot) or 134400
    local itemName = getItemName(slot) or "Unknown"
    itemName = itemName:gsub("\n", ", ")
    local itemQuality = getItemQuality(slot) or 0

    if not WeakAurasSaved.Cyka.ItemCache[itemName] then
        WeakAurasSaved.Cyka.ItemCache[itemName] = {
            icon = itemIcon,
            quality = itemQuality,
        }
    end
end


local goldFilter = {
    enabled = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Gold filter; slot: " .. slot)
            local itemName = getItemName(slot)
            -- I guess it does not support OR in regex?
            -- itemName:match("%d+ ((Gold)|(Silver)|(Copper))")
            if (itemname and itemName:match("%d+ Gold") or itemName:match("%d+ Silver") or itemName:match("%d+ Copper")) then
                aura_env.debugLog("Gold filter pass")
                return true
            end
        end
    end
}
local orderResourcesFilter = {
    enabled = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Resource filter; slot: " .. slot)
            local itemName = getItemName(slot)
            if (itemName and itemName:match("Order Resources")) then
                aura_env.debugLog("Order resource filter pass")
                return true
            end
        end
    end
}
local mountFilter = {
    enabled = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Mount filter; slot: " .. slot)
            local itemType = getItemType(slot)
            if (itemType and itemType == "Mount") then
                aura_env.debugLog("Mount filter pass")
                return true
            end
        end
    end
}
local ilvlFilter = {
    enabled = true,
    ilvlThreshold = 880,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("ILvl filter; slot: " .. slot)
            local itemLevel = getItemLevel(slot)
            if (itemLevel and itemLevel > self.ilvlThreshold) then
                aura_env.debugLog("Item level filter pass")
                return true
            end
        end
    end
}
local professionFilter = {
    enabled = true,
    herbs = true,
    cloth = false,
    ore = false,
    leather = false,
    cooking = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Profession filter; slot: " .. slot)
            local itemType = getItemType(slot)
            if (itemType and itemType == "Tradeskill") then
                local itemSubtype = getItemSubtype(slot)
                if (itemSubtype and (itemSubtype == "Herb" and self.herbs)
                or (itemSubtype == "Leather" and self.leather)
                or (itemSubtype == "Cloth" and self.cloth)
                or (itemSubtype == "Ore" and self.ore)
                or (itemSubtype == "Cooking" and self.cooking)) then
                    aura_env.debugLog("Profession filter pass")
                    return true
                end
            end
        end
    end
}
local valueFilter = {
    enabled = true,
    valueThreshold = 35 * 100 * 100,
    applyThresholdToItemStack = false,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Value filter; slot: " .. slot)
            local itemValue = getItemValue(slot)

            if (self.applyThresholdToItemStack) then
                local itemQuantity = getItemQuantity(slot)
                aura_env.debugLog("There exist " .. itemQuantity .. " items in slot " .. slot)
                itemValue = itemValue * itemQuantity
            end

            if (itemValue and itemValue > self.valueThreshold) then
                aura_env.debugLog("Value filter pass")
                return true
            end
        end
    end
}
local greyValueFilter = {
    enabled = true,
    -- Set threshold to 0 to loot all greys
    valueThreshold = 5 * 100 * 100,
    applyThresholdToItemStack = false,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Grey value filter; slot: " .. slot)
            local itemQuality = getItemQuality(slot)
            if (itemQuality and itemQuality > 0) then
                local itemValue = getItemValue(slot)

                if (self.applyThresholdToItemStack) then
                    local itemQuantity = getItemQuantity(slot)
                    aura_env.debugLog("There exist " .. itemQuantity .. " items in slot " .. slot)
                    itemValue = itemValue * itemQuantity
                end

                if (itemValue and itemValue > self.valueThreshold) then
                    aura_env.debugLog("Grey value filter pass")
                    return true
                end
            end
        end
    end
}
local questItemFilter = {
    enabled = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Quest item filter; slot: " .. slot)
            local itemType = getItemType(slot)
            local itemSubtype = getItemSubtype(slot)
            if (itemType and itemSubtype and itemType == itemSubtype == "Quest") then
                aura_env.debugLog("Quest item filter pass")
                return true
            end
        end
    end
}
local classGearFilter = {
    enabled = true,
    ilvlThreshold = 800,
    qualityThreshold = 2,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Class gear filter; slot: " .. slot)
            local itemType = getItemType(slot)
            local itemEquipLoc = getItemEquipLocation(slot)
            if (itemType == "Armor"
            or itemType == "Weapon"
            or itemEquipLoc == "INVTYPE_FINGER"
            or itemEquipLoc == "INVTYPE_TRINKET"
            or itemEquipLoc == "INVTYPE_CLOAK"
            or itemEquipLoc == "INVTYPE_NECK") then
                local itemLevel = getItemLevel(slot)
                local itemQuality = getItemQuality(slot)
                local isEquippable = aura_env.skills[select(3, UnitClass("player"))][subtype] == 1

                if (isEquippable and itemLevel > self.ilvlThreshold and itemQuality > self.qualityThreshold) then
                    aura_env.debugLog("Class gear filter pass")
                    return true
                end
            end
        end
    end
}
local azeriteFilter = {
    enabled = true,
    ilvlThreshold = 800,
    qualityThreshold = 2,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Azerite filter; slot: " .. slot)
            local itemType = getItemType(slot)
            local itemSubtype = getItemSubtype(slot)
            local itemQuality = getItemQuality(slot)
            if (itemType and itemSubtype and itemQuality and itemType == "Consumable" and itemSubtype == "Other" and itemQuality > 1) then
                aura_env.debugLog("Azerite filter pass")
                return true
            end
        end
    end
}
local arguniteFilter = {
    enabled = true,
    qualityThreshold = 1,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Argunite filter; slot: " .. slot)
            local itemName = getItemName(slot)
            local itemQuality = getItemQuality(slot)
            if (itemName and itemQuality and itemName:match("Argunite") and itemQuality > self.qualityThreshold) then
                aura_env.debugLog("Argunite filter pass")
                return true
            end
        end
    end
}
local ancientManaFilter = {
    enabled = true,
    qualityThreshold = 1,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Ancient mana filter; slot: " .. slot)
            local itemName = getItemName(slot)
            if (itemName and itemName:match("Ancient Mana")) then
                aura_env.debugLog("Ancient mana filter pass")
                return true
            end
        end
    end
}
local reicpeFilter = {
    enabled = true,
    filter = function(self, slot)
        if (self.enabled) then
            aura_env.debugLog("Recipe filter; slot: " .. slot)
            local itemName = getItemName(slot)
            if (itemName and (itemName:match("Recipe") or itemName:match("Technique"))) then
                aura_env.debugLog("Recipe filter pass")
                return true
            end
        end
    end
}

aura_env.filterService = {
    filters = {
        goldFilter,
        orderResourcesFilter,
        mountFilter,
        ilvlFilter,
        professionFilter,
        valueFilter,
        greyValueFilter,
        questItemFilter,
        classGearFilter,
        azeriteFilter,
        arguniteFilter,
        ancientManaFilter,
        reicpeFilter,
    },
    slotsToLoot = {},
    run = function(self, lootInfo)
        self.slotsToLoot = {}
        for slot, item in pairs(lootInfo) do
            aura_env.debugLog("Loot slot: " .. slot .. " " .. item.item)
            self:runFilters(slot)
        end

        aura_env.debugLog("Slots to loot: " .. #self.slotsToLoot)
        aura_env.debugLog(self.slotsToLoot)
        for i = #self.slotsToLoot, 1, -1 do
            local slot = self.slotsToLoot[i]
            aura_env.debugLog("Looting slot (iterator): " .. slot)
            doLoot(slot)
        end
    end,
    runFilters = function(self, slot)
        for k, filter in pairs(self.filters) do
            if (filter:filter(slot)) then
                -- Might be good to, instead of just adding slot to a list, add an object with info about the item and the slot containing it so each filter can dictate the item name and icon
                self.slotsToLoot[#self.slotsToLoot + 1] = slot
                return
            end
        end
    end
}

aura_env.debugLog = function(obj)
    if (debug) then
        print(GetTime())
        DevTools_Dump(obj)
        print()
    end
end

aura_env.skills = {
    --Warrior
    [1] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 1,
        ["Shields"] = 1,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 1,
        ["Bows"] = 1,
        ["Guns"] = 1,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 1,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 1,
        ["Warglaives"] = 1,
        ["Staves"] = 1,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 1,
        ["Crossbows"] = 1,
        ["Wands"] = 0,
    },
    --Paladin
    [2] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 1,
        ["Shields"] = 1,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 1,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 1,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 1,
        ["Warglaives"] = 0,
        ["Staves"] = 0,
        ["Fist Weapons"] = 0,
        ["Daggers"] = 0,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Hunter
    [3] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 0,
        ["Mail"] = 1,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 1,
        ["Bows"] = 1,
        ["Guns"] = 1,
        ["One-Handed Maces"] = 0,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 1,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 1,
        ["Crossbows"] = 1,
        ["Wands"] = 0,
    },
    --Rogue
    [4] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 1,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 0,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Priest
    [5] = {
        --Armor Skills
        ["Cloth"] = 1,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 0,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 0,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 0,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 1,
    },
    --Death Knight
    [6] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 1,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 1,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 1,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 1,
        ["Warglaives"] = 0,
        ["Staves"] = 0,
        ["Fist Weapons"] = 0,
        ["Daggers"] = 0,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Shaman
    [7] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 0,
        ["Mail"] = 1,
        ["Plate"] = 0,
        ["Shields"] = 1,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 0,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Mage
    [8] = {
        --Armor Skills
        ["Cloth"] = 1,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 0,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 0,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 0,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 1,
    },
    --Warlock
    [9] = {
        --Armor Skills
        ["Cloth"] = 1,
        ["Leather"] = 0,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 0,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 0,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 0,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 1,
    },
    --Monk
    [10] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 1,
        ["Mail"] = 0,
        ["Plate"] = 1,
        ["Shields"] = 1,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 0,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Druid
    [11] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 1,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 0,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 1,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 1,
        ["One-Handed Swords"] = 0,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 0,
        ["Staves"] = 1,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 1,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
    --Demon Hunter
    [12] = {
        --Armor Skills
        ["Cloth"] = 0,
        ["Leather"] = 1,
        ["Mail"] = 0,
        ["Plate"] = 0,
        ["Shields"] = 0,
        --Weapon Skills
        ["One-Handed Axes"] = 1,
        ["Two-Handed Axes"] = 0,
        ["Bows"] = 0,
        ["Guns"] = 0,
        ["One-Handed Maces"] = 0,
        ["Two-Handed Maces"] = 0,
        ["Polearms"] = 0,
        ["One-Handed Swords"] = 1,
        ["Two-Handed Swords"] = 0,
        ["Warglaives"] = 1,
        ["Staves"] = 0,
        ["Fist Weapons"] = 1,
        ["Daggers"] = 0,
        ["Crossbows"] = 0,
        ["Wands"] = 0,
    },
}
aura_env.qualityColors = {
    "\124cff9d9d9d", -- Poor
    "\124cffffffff", -- Common
    "\124cff1eff00", -- Uncommon
    "\124cff0070dd", -- Rare
    "\124cffa335ee", -- Epic
    "\124cffff8000", -- Legendary
    "\124cffe6cc80", -- Artifact
    "\124cff00ccff", -- Heirloom
}