local _, S = ...
local pairs, ipairs, string, type, time = pairs, ipairs, string, type, time

local function OnIconChanged(self)
    local iconSize, borderThickness, iconShape
    if self.list.gridView then
        iconSize = S.Settings.Get("iconSizeGrid")
        borderThickness = S.Settings.Get("iconBorderThicknessGrid")
        iconShape = S.Settings.Get("iconShapeGrid")
    else
        iconSize = S.Settings.Get("iconSize")
        borderThickness = S.Settings.Get("iconBorderThickness")
        iconShape = S.Settings.Get("iconShape")
    end
    self.icon:SetSize(iconSize, iconSize)
    self.iconMask:SetSize(iconSize, iconSize)
    if iconShape == 0 then
        self.icon:RemoveMaskTexture(self.iconMask)
        self.iconBorder:SetTexture("Interface\\Addons\\Sorted\\Textures\\Item_Glow")
    elseif iconShape == 1 then
        self.icon:AddMaskTexture(self.iconMask)
        self.iconBorder:SetTexture("Interface\\Addons\\Sorted\\Textures\\Circle_Mask")
    end
    self.iconBorder:SetSize(iconSize + borderThickness, iconSize + borderThickness)
end

local favoriteButtonTexSize = 0.21875
local function UpdateEntry(self)
    self:OnIconChanged()

    local iconBorders
    if self.list.gridView then
        iconBorders = S.Settings.Get("iconBordersGrid")
    else
        iconBorders = S.Settings.Get("iconBorders")
    end
    self.iconBorder:SetShown(iconBorders == 1)

    local favorited = self:GetFavorited()
    local x,y
    if not favorited or favorited == 0 then
        self.favoriteButton:GetNormalTexture():SetTexCoord(1,1,1,1)
        x = 0
        y = 0
        self.favoriteButton:GetHighlightTexture():SetTexCoord(
            x * favoriteButtonTexSize, 
            (x+1) * favoriteButtonTexSize,
            y * favoriteButtonTexSize, 
            (y+1) * favoriteButtonTexSize
        )
        self.favoriteButton:GetPushedTexture():SetTexCoord(
            x * favoriteButtonTexSize, 
            (x+1) * favoriteButtonTexSize,
            y * favoriteButtonTexSize, 
            (y+1) * favoriteButtonTexSize
        )
        if self.mouseEntered then
            self.favoriteButton.backdrop:SetTexCoord(0,favoriteButtonTexSize,favoriteButtonTexSize*2,favoriteButtonTexSize*3)
        else
            self.favoriteButton.backdrop:SetTexCoord(1,1,1,1)
        end
    else
        x,y = (favorited - 1) % 4, floor((favorited - 1) / 4)
        self.favoriteButton:GetNormalTexture():SetTexCoord(
            x * favoriteButtonTexSize, 
            (x+1) * favoriteButtonTexSize,
            y * favoriteButtonTexSize, 
            (y+1) * favoriteButtonTexSize
        )
        self.favoriteButton:GetHighlightTexture():SetTexCoord(
            x * favoriteButtonTexSize, 
            (x+1) * favoriteButtonTexSize,
            y * favoriteButtonTexSize, 
            (y+1) * favoriteButtonTexSize
        )
        self.favoriteButton:GetPushedTexture():SetTexCoord(
            x * favoriteButtonTexSize, 
            (x+1) * favoriteButtonTexSize,
            y * favoriteButtonTexSize, 
            (y+1) * favoriteButtonTexSize
        )
        self.favoriteButton.backdrop:SetTexCoord(1,1,1,1)
    end
end

local function SetFiltered(self, filtered)

end

local function GetFavorited(self)
    return 0
end
local function ToggleFavorited(self)
    
end
local function SetFavorited(self, value)
    
end
local function ClearFavorited(self)
    
end

local function Button_FollowMouseWithHighlight(self, elapsed)
    local parent = self.parent
    --self.highlight:ClearAllPoints()
    local x,y = GetCursorPosition()
    x = x / self:GetEffectiveScale()
    y = y / self:GetEffectiveScale()
    local x2,y2 = self:GetCenter()
    parent.highlight:SetWidth(self:GetWidth() * 3)
    parent.highlight:SetPoint("LEFT", self, "CENTER", (x - x2) - parent.highlight:GetWidth() / 2, y)
    --self.highlight:SetPoint("TOP", UIParent, "BOTTOMLEFT", 0, y2 + self:GetHeight() / 2)
    --self.highlight:SetPoint("BOTTOM", UIParent, "BOTTOMLEFT", 0, y2 - self:GetHeight() / 2)
end

local function AddFrameToColumn(self, frame, column)
    self.columnElements[column] = frame
    frame:SetPoint("TOP")
    frame:SetPoint("BOTTOM")
    frame:SetPoint("LEFT", self.list.columnHeadings[column])
    frame:SetPoint("RIGHT", self.list.columnHeadings[column])
end
local function DetachFramesFromColumns(self)
    for column, frame in pairs(self.columnElements) do
        frame:ClearAllPoints()
        frame:Hide()
    end
end
local function AttachFramesToColumns(self)
    for column, frame in pairs(self.columnElements) do
        frame:SetPoint("TOP")
        frame:SetPoint("BOTTOM")
        frame:SetPoint("LEFT", self.list.columnHeadings[column])
        frame:SetPoint("RIGHT", self.list.columnHeadings[column])
    end
end

local function OnIconBorderSettingChanged(self, event, value)
    self.iconBorder:SetShown(value > 0)
end
local function OnIconBorderThicknessSettingChanged(self, event)
    local size
    if self.list.gridView then
        size = S.Settings.Get("iconSizeGrid") + S.Settings.Get("iconBorderThicknessGrid")
    else
        size = S.Settings.Get("iconSize") + S.Settings.Get("iconBorderThickness")
    end
    self.iconBorder:SetSize(size, size)
end

function S.CreateListEntry(list, template)
    --local parent = CreateFrame("FRAME", nil, list.listFrame) -- For item entry buttons to function with Blizzard's code untainted, there must be a parent frame to hold the bag ID
    --parent:SetAllPoints()
    local self = CreateFrame("FRAME", nil, list.listFrame--[[parent, template]])

    self.button = CreateFrame("BUTTON", nil, self, template)
    self.button:ClearAllPoints()
    self.button.parent = self

    if template then -- Only want to inherit methods, not any textures or children
        for k,v in pairs(self.button) do
            if type(v) == "table" and v.Hide then
                v:Hide()
                v:ClearAllPoints()
            end
        end
        if self.button:GetNormalTexture() then
            self.button:SetNormalTexture("")
        end
    end
    self:ClearAllPoints()
    self.parentFrame = self:GetParent()
    self.list = list
    self.columnElements = {}
    self.Update = UpdateEntry
    self.SetFiltered = SetFiltered
    self.GetFavorited = GetFavorited
    self.ToggleFavorited = ToggleFavorited
    self.ClearFavorited = ClearFavorited
    self.SetFavorited = SetFavorited
    self.AddFrameToColumn = AddFrameToColumn
    self.DetachFramesFromColumns = DetachFramesFromColumns
    self.AttachFramesToColumns = AttachFramesToColumns
    self.OnIconChanged = OnIconChanged

    --[[S.Utils.RunOnEvent(self, "SettingChanged-iconBorders", OnIconBorderSettingChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconBorderThickness", OnIconBorderThicknessSettingChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconSize", OnIconChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconBordersGrid", OnIconBorderSettingChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconBorderThicknessGrid", OnIconBorderThicknessSettingChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconSizeGrid", OnIconChanged)
    self:HookScript("OnShow", OnIconChanged)]]
    S.Utils.RunOnEvent(self, "SettingChanged-iconShape", OnIconChanged)
    S.Utils.RunOnEvent(self, "SettingChanged-iconShapeGrid", OnIconChanged)
    S.Utils.RunOnEvent(self, "LayoutChanged", OnIconChanged)

    self.highlight = self.button:CreateTexture(nil, "OVERLAY")
    self.highlight:SetTexture("Interface\\Addons\\Sorted\\Textures\\UI-Highlight")
    self.highlight:SetPoint("TOP")
    self.highlight:SetPoint("BOTTOM")
    self.highlight:Hide()
    --self:GetHighlightTexture():SetAlpha(0.8)
    self.button:SetPushedTexture("Interface\\Addons\\Sorted\\Textures\\UI-Highlight")
    self.button:GetPushedTexture():SetTexCoord(0.5, 0.6, 0, 1)
    self:SetPoint("LEFT")
    self:SetPoint("RIGHT")
    self:SetHeight(20)
    self.button:SetAllPoints()
    self.button:Show()

    local f = CreateFrame("FRAME", nil, self)
    self.favoriteButton = CreateFrame("BUTTON", nil, f)
    self.favoriteButton:SetPoint("CENTER")
    self.favoriteButton:SetSize(18, 18)
    self.favoriteButton:SetNormalTexture("Interface\\Addons\\Sorted\\Textures\\Favorite-Icons")
    self.favoriteButton:SetHighlightTexture("Interface\\Addons\\Sorted\\Textures\\Favorite-Icons")
    self.favoriteButton:SetPushedTexture("Interface\\Addons\\Sorted\\Textures\\Favorite-Icons")
    self.favoriteButton.backdrop = self.favoriteButton:CreateTexture(nil, "BACKGROUND")
    self.favoriteButton.backdrop:SetTexture("Interface\\Addons\\Sorted\\Textures\\Favorite-Icons")
    self.favoriteButton.backdrop:SetAllPoints()
    self.favoriteButton.parent = self
    self.favoriteButton:RegisterForClicks("LeftButtonUp", "RightButtonUp")
    self.favoriteButton:SetScript("OnClick", function(self, button, down)
        if button == "LeftButton" then
            self.parent:ToggleFavorited()
        elseif button == "RightButton" then
            S.MarkerIconMenu.Show(self, self.parent:GetData().quality, self.parent:GetData().texture, self.parent.SetFavorited, self.parent, self.parent.ClearFavorited)
        end
    end)
    self:AddFrameToColumn(f, "FAVORITES")

    local iconSize = S.Settings.Get("iconSize")
    f = CreateFrame("FRAME", "", self)
    f:SetFrameLevel(self:GetFrameLevel() + 1)
    self.icon = f:CreateTexture(nil, "ARTWORK")
    self.icon:SetPoint("CENTER")
    self.icon:SetSize(iconSize, iconSize)
    self.icon:SetTexCoord(0.1, 0.9, 0.1, 0.9)
    self.iconMask = f:CreateMaskTexture()
    self.iconMask:SetTexture("Interface\\Addons\\Sorted\\Textures\\Circle_Mask")
    self.iconMask:SetPoint("CENTER")
    self.iconMask:SetSize(iconSize, iconSize)
    self.iconBorder = f:CreateTexture(nil, "BORDER")
    self.iconBorder:SetTexture("Interface\\Addons\\Sorted\\Textures\\Circle_Mask")
    self.iconBorder:SetPoint("CENTER")
    self:AddFrameToColumn(f, "ICON")

    f = CreateFrame("FRAME", "", self)
    self.nameString = f:CreateFontString(nil, "OVERLAY", "SortedFont")
    self.nameString:SetPoint("TOP", 0, -2)
    self.nameString:SetPoint("BOTTOM", 0, 2)
    self.nameString:SetPoint("LEFT", 2, 0)
    self.nameString:SetPoint("RIGHT", -2, 0)
    self.nameString:SetJustifyH("LEFT")
    self.nameString:SetJustifyV("MIDDLE")
    self:AddFrameToColumn(f, "NAME")

    -- On mouse enter/leave, start/stop the mouse-following highlight texture
    -- Also zoom the icon and move the name
    self.button:SetScript("OnEnter", function(self)
        local parent = self.parent
        if not parent.list.gridView then
            local favorited = parent:GetFavorited()
            if not favorited or favorited == 0 then
                parent.favoriteButton.backdrop:SetTexCoord(0,favoriteButtonTexSize,favoriteButtonTexSize*2,favoriteButtonTexSize*3)
            end
            parent.highlight:Show()
            self:SetScript("OnUpdate", Button_FollowMouseWithHighlight)
        end
        parent.mouseEntered = true
        if parent.columnElements["ICON"] and parent.nameString and not parent.filtered then
            parent.columnElements["ICON"]:SetFrameLevel(parent:GetFrameLevel() + 5)
            local size, extraSize, thickness
            if parent.list.gridView then
                size = S.Settings.Get("iconSizeGrid")
                extraSize = S.Settings.Get("iconSizeGrid") * 0.5
                thickness = S.Settings.Get("iconBorderThicknessGrid")
            else
                size = S.Settings.Get("iconSize")
                extraSize = S.Settings.Get("iconSize") * 0.5
                thickness = S.Settings.Get("iconBorderThickness")
            end
            size = size + extraSize
            parent.icon:SetSize(size, size)
            parent.iconMask:SetSize(size, size)
            parent.iconBorder:Show()
            parent.iconBorder:SetSize(size + thickness * 1.5, size + thickness * 1.5)
            parent.iconBorder:SetVertexColor(parent.color2:GetRGB())
            parent.nameString:SetPoint("LEFT", 2 + extraSize / 2, 0)
            parent.nameString:SetTextColor(parent.color2:GetRGB())
        end
    end)
    self.button:HookScript("OnLeave", function(self)
        local parent = self.parent
        if not parent.list.gridView then
            parent.favoriteButton.backdrop:SetTexCoord(1,1,1,1)
        end
        parent.highlight:Hide()
        self:SetScript("OnUpdate", nil)
        parent.mouseEntered = false
        if parent.columnElements["ICON"] then
            parent.columnElements["ICON"]:SetFrameLevel(self:GetFrameLevel() + 1)
            local size, thickness, iconBorders
            if parent.list.gridView then
                size = S.Settings.Get("iconSizeGrid")
                thickness = S.Settings.Get("iconBorderThicknessGrid")
                iconBorders = S.Settings.Get("iconBordersGrid")
            else
                size = S.Settings.Get("iconSize")
                thickness = S.Settings.Get("iconBorderThickness")
                iconBorders = S.Settings.Get("iconBorders")
            end
            parent.icon:SetSize(size, size)
            parent.iconMask:SetSize(size, size)
            parent.iconBorder:SetShown(S.Settings.Get("iconBorders") == 1)
            parent.iconBorder:SetSize(size + thickness, size + thickness)
            parent.nameString:SetPoint("LEFT", 2, 0)
            if not parent.filtered then
                parent.iconBorder:SetVertexColor(parent.color1:GetRGB())
                parent.nameString:SetTextColor(parent.color1:GetRGB())
            end
        end
    end)

    return self
end