local st = ...
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-- MEDIA & CONFIG ------------------------------------
------------------------------------------------------
local font = { Tukui[2].media.pixelfont or [[Interface\AddOns\stAddonManager\media\SEMPRG__.TTF]], 8, "MONOCHROMEOUTLINE" }
local barTex = Tukui[2].media.normTex or [[Interface\AddOns\stAddonManager\media\normTex.tga]]
local blankTex = [[Interface\AddOns\stAddonManager\media\blankTex.tga]]
local glowTex = [[Interface\AddOns\stAddonManager\media\glowTex.tga]]

local bordercolor = Tukui[2].general.bordercolor or {0, 0, 0, 1}
local backdropcolor = Tukui[2].general.backdropcolor or {0.05, 0.05, 0.05, 0.9}
local backdrop = {
    bgFile = blankTex,
    edgeFile =  blankTex,
    tile = false, tileSize = 0, edgeSize = 1,
    insets = { left = 1, right = 1, top = 1, bottom = 1},
}


------------------------------------------------------
-- INITIAL FRAME CREATION ----------------------------
------------------------------------------------------
local stam = CreateFrame("Frame", "stAddonManager", UIParent)

stam.pageNum = 0
stam.perPage = 14
stam.pages = {}

function stam.UpdateAddonList()
    for i = 1, stam.perPage do
        local addonIndex = (stam.pageNum*stam.perPage) + i
        local page = stam.pages[i]

        if stam.pageNum <= 0 then
            stam.prevPage:Hide()
        else
            stam.prevPage:Show()
        end

        if (stam.pageNum+1)*stam.perPage >= GetNumAddOns() then
            stam.nextPage:Hide()
        else
            stam.nextPage:Show()
        end

        if addonIndex <= GetNumAddOns() then
            local name, title, notes, enabled, loadable, reason, security = GetAddOnInfo(addonIndex)
            page.text:SetText(title)
            page:Show()

            if enabled then
                page.enabled:SetVertexColor(0, 1, 0, 0.05)
                -- page.enabled:SetGradientAlpha("VERTICAL", 0/255, 255/255, 0/255, .2, 0, 0, 0, 0)
            elseif loadable then
                page.enabled:SetVertexColor(1, 0.8, 0, 0.15)
                -- page.enabled:SetGradientAlpha("VERTICAL", 255/255, 180/255, 0/255, .15, 0, 0, 0, 0)
            else
                page.enabled:SetVertexColor(1, 0, 0, 0.05)
                -- page.enabled:SetGradientAlpha("VERTICAL", 255/255, 0/255, 0/255, .2, 0, 0, 0, 0)
            end
            page:SetScript("OnMouseDown", function(self)
                if enabled then
                    DisableAddOn(name)
                else
                    EnableAddOn(name)
                end
                stam.UpdateAddonList()
            end)
        else
            page:Hide()
        end
    end
end

function stam.LoadWindow()
    if stam.loaded then ToggleFrame(stam) return end

    local titleBar = CreateFrame("Frame", nil, stam)
    stam:SetSize(200, 400)
    titleBar:SetSize(stam:GetWidth(), 20)

    titleBar:SetPoint("CENTER", UIParent, "CENTER", 0, stam:GetHeight()/2)
    stam:SetPoint("TOP", titleBar, "BOTTOM", 0, -3)

    stam:SetTemplate("Transparent")
    titleBar:SetTemplate()

    titleBar.text = titleBar:CreateFontString(nil, "OVERLAY")
    titleBar.text:SetPoint("CENTER")
    titleBar.text:SetPixelFont()
    titleBar.text:SetText("stAddonManager")

    titleBar:SetMovable(true)
    titleBar:EnableMouse(true)
    titleBar:SetScript("OnMouseDown", function(self) self:StartMoving() end)
    titleBar:SetScript("OnMouseUp", function(self) self:StopMovingOrSizing() end)

    local close = CreateFrame("Button", nil, titleBar)
    close:SetPoint("RIGHT", -3, 0)
    close:SetSize(18,18)
    local text = close:CreateFontString(nil, "OVERLAY")
    text:SetPixelFont()
    text:SetText('x')
    text:SetPoint("CENTER", 0, 0)
    close.text = text
    close:SetScript("OnMouseDown", function() stam:Hide() end)
    close:SetScript("OnEnter", function() text:SetModifiedColor() end)
    close:SetScript("OnLeave", function() text:SetOriginalColor() end)
    titleBar.close = close

    local paging = CreateFrame("Frame", nil, stam)
    paging:SetTemplate()
    paging:SetSize(40, 20)
    paging:SetPoint("BOTTOM", stam, "BOTTOM", 0, 12)

    local prevPage = CreateFrame("Frame", nil, paging)
    local nextPage = CreateFrame("Frame", nil, paging)

    for i,b in pairs({prevPage, nextPage}) do
        b:SetSize(20, 20)
        b.text = b:CreateFontString(nil, 'OVERLAY')
        b.text:SetPixelFont()

        b:SetScript("OnMouseDown", function() end)
        b:SetScript("OnEnter", function(self) self.text:SetModifiedColor() end)
        b:SetScript("OnLeave", function(self) self.text:SetOriginalColor() end)

        if i == 1 then
            b:SetScript("OnMouseDown", function()
                stam.pageNum = stam.pageNum - 1
                stam.UpdateAddonList()
            end)
            b.text:SetText('<')
            b:SetPoint("LEFT", paging, "LEFT", 0, 0)
            b.text:SetPoint("LEFT", b, "LEFT", 8, 1)
        else
            b:SetScript("OnMouseDown", function()
                stam.pageNum = stam.pageNum + 1
                stam.UpdateAddonList()
            end)
            b.text:SetText('>')
            b:SetPoint("RIGHT", paging, "RIGHT", 0, 0)
            b.text:SetPoint("RIGHT", b, "RIGHT", -5, 1)
        end
    end

    stam.prevPage = prevPage
    stam.nextPage = nextPage

    local prev
    for i=1, stam.perPage do
        local page = CreateFrame("Frame", stam:GetName().."Page"..i, stam)
        page:SetTemplate(nil, true)
        page:SetSize(stam:GetWidth()-20, 20)
        page:SetScript("OnEnter", function(self) self:SetModifiedColor() end)
        page:SetScript("OnLeave", function(self) self:SetOriginalColor() end)
        if i == 1 then
            page:SetPoint("TOP", stam, "TOP", 0, -10)
        else
            page:SetPoint("TOP", stam.pages[i-1], "BOTTOM", 0, -5)
        end
        page.text = page:CreateFontString(nil, 'OVERLAY')
        page.text:SetPixelFont()
        page.text:SetInside(page)
        page.enabled = page:CreateTexture(nil, 'OVERLAY')
        page.enabled:SetInside(page)
        page.enabled:SetTexture(blankTex)

        stam.pages[i] = page
    end


    reload = CreateFrame("Button", nil, stam)
    reload:SetTemplate()
    reload:SetSize(30, 20)
    reload:SetPoint("BOTTOMLEFT", stam, "BOTTOMLEFT", 10, 10)
    reload.text = reload:CreateFontString(nil, 'OVERLAY')
    reload.text:SetPixelFont()
    reload.text:SetText("RL")
    reload.text:SetPoint("CENTER", 1, 0)
    reload:SetScript("OnEnter", function(self) self:SetModifiedColor() end)
    reload:SetScript("OnLeave", function(self) self:SetOriginalColor() end)
    reload:SetScript("OnClick", function()
        if InCombatLockdown() then return end
        ReloadUI()
    end)
    stam.reload = reload

    stam.UpdateAddonList()

    stam.loaded = true
end

SLASH_STADDONMANAGER1, SLASH_STADDONMANAGER2, SLASH_STADDONMANAGER3 = "/staddonmanager", "/stam", "/staddon"
SlashCmdList["STADDONMANAGER"] = stam.LoadWindow