BattleCraft_SafeQueue.lua

local SafeQueue = CreateFrame("Frame", "SafeQueue", UIParent)
local queueTime
local queue = 0
local remaining = 0
SafeQueueDB = SafeQueueDB or { announce = "self" }

SafeQueue:SetScript("OnEvent", function(self, event, ...) self[event](self, ...) end)
SafeQueue:SetScript("OnUpdate", function(self) self:Timer() end)
SafeQueue:RegisterEvent("UPDATE_BATTLEFIELD_STATUS")

StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].button2 = nil
StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].hideOnEscape = false

function SafeQueue:UPDATE_BATTLEFIELD_STATUS()
    local queued
    for i = 1, MAX_BATTLEFIELD_QUEUES do
        local status = GetBattlefieldStatus(i)
        if status == "queued" then
            queued = true
            if not queueTime then queueTime = GetTime() end
        elseif status == "confirm" then
            if queueTime then
                self:TimeWaited()
                queueTime = nil
                remaining = 0
                queue = i
            end                    
        end
    end
    if not queued and queueTime then queueTime = nil end
end

function SafeQueue:Print(msg)
    DEFAULT_CHAT_FRAME:AddMessage("|cff3c78d8[SafeQueue]|r " .. msg)
end

function SafeQueue:TimeWaited()
    if SafeQueueDB.announce == "off" then return end
    local secs = floor(GetTime() - queueTime)
    local str = "Queue popped " .. (secs < 1 and "instantly!" or "after " .. SecondsToTime(secs))
    
    -- Only announce to self
    if SafeQueueDB.announce == "self" then
        self:Print(str)
    end
end

function SafeQueue:Timer()
    local secs = GetBattlefieldPortExpiration(queue)
    if secs > 0 then
        local p = StaticPopup_Visible("CONFIRM_BATTLEFIELD_ENTRY")
        if p and remaining ~= secs then
            remaining = secs
            local color = secs > 20 and "ff20ff20" or secs > 10 and "ffffff00" or "ffff0000"
            _G[p .. "Text"]:SetText(string.gsub(
                _G[p .. "Text"]:GetText(), 
                ".+ to enter",
                "You have |c"..color..SecondsToTime(secs).."|r to enter"))
        end
    end
end