SafeQueueDB = SafeQueueDB or { announce = "self", enabled = true, minimap = "on" }
local queueTime
local queue = 0
local button2 = StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].button2
local remaining = 0

local function SafeQueue_MiniMapButton(self, button)
    if SafeQueueDB.minimap == "off" or not IsRaidLeader() then return end
    if (button == "RightButton") then
        for i=1, GetMaxBattlefieldID() do
            local status, _, _, _, _, _, registeredMatch = GetBattlefieldStatus(i)
            if (registeredMatch == 1) then
                if (status == "queued") then
                    DropDownList1:Hide()
                    AcceptBattlefieldPort(i, 1)
                    AcceptBattlefieldPort(i, 0)
                end
                break
            end
        end
    end
end

local function SafeQueue_Print(msg)
    DEFAULT_CHAT_FRAME:AddMessage("|cff33ff99SafeQueue|r: " .. msg)
end

local function SafeQueue_PrintTimeWaited()
    if SafeQueueDB.announce == "off" then return end
    local secs, str, mins = floor(GetTime() - queueTime), "Queue popped "
    if secs < 1 then
        str = str .. "instantly!"
    else
        str = str .. "after "
        if secs >= 60 then
            mins = floor(secs/60)
            str = str .. mins .. "m "
            secs = secs%60
        end
        if secs%60 ~= 0 then
            str = str .. secs .. "s"
        end
    end
    if SafeQueueDB.announce == "self" then
        SafeQueue_Print(str)
    elseif SafeQueueDB.announce == "raid" then
        if GetRealNumRaidMembers() > 0 then
            SendChatMessage(str, "RAID")
        else
            SendChatMessage(str, "PARTY")
        end
    elseif SafeQueueDB.announce == "party" then
        SendChatMessage(str, "PARTY")
    end
end
local function SafeQueue_Timer()
    local secs = GetBattlefieldPortExpiration(queue)
    if secs > 0 and SafeQueueDB.enabled == true then
        local p = StaticPopup_Visible("CONFIRM_BATTLEFIELD_ENTRY")
        if p then
            local color
            if remaining ~= secs then
                remaining = secs
                if secs > 20 then
                    color = "f20ff20"
                elseif secs > 10 then
                    color = "fffff00"
                else
                    color = "fff0000"
                end
                _G[p .. "Text"]:SetText(string.gsub(
                    _G[p .. "Text"]:GetText(),
                    ".+ to enter",
                    "You have |cf"..color.. SecondsToTime(secs) .. "|r to enter"))
            end
        end
    end
end

local function SafeQueue_Update()
    local queued
    for i=1, GetMaxBattlefieldID() do
        local status, _, _, _, _, _, registeredMatch = GetBattlefieldStatus(i)
        if registeredMatch == 1 then
            if status == "queued" then
                queued = true
                if not queueTime then queueTime = GetTime() end
            elseif status == "confirm" then
                if queueTime then
                    SafeQueue_PrintTimeWaited()
                    queueTime = nil
                    remaining = 0
                    queue = i
                end
            end
            break
        end
    end
    if not queued and queueTime then queueTime = nil end
end

local function SafeQueue_Enable()
    frame:RegisterEvent("UPDATE_BATTLEFIELD_STATUS")
    StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].button2 = nil
    StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].hideOnEscape = false
end

local function SafeQueue_Disable()
    frame:UnregisterEvent("UPDATE_BATTLEFIELD_STATUS")
    StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].button2 = button2
    StaticPopupDialogs["CONFIRM_BATTLEFIELD_ENTRY"].hideOnEscape = true
end

local function SafeQueue_Command(msg)
    msg = msg or ""
    local cmd, arg = string.split(" ", msg, 2)
    cmd = string.lower(cmd or "")
    arg = string.lower(arg or "")
    if cmd == "enable" then
        if SafeQueueDB.enabled == false then
            SafeQueue_Enable()
            SafeQueueDB.enabled = true
        end
        SafeQueue_Print("|cff00ff00Enabled|r")
    elseif cmd == "disable" then
        if SafeQueueDB.enabled == true then
            SafeQueue_Disable()
            SafeQueueDB.enabled = false
        end
        SafeQueue_Print("|cffff0000Disabled|r")
    elseif cmd == "safeleave" then
        if arg == "on" then
            SafeQueueDB.minimap = "on"
        elseif arg == "off" then
            SafeQueueDB.minimap = "off"
        end
        SafeQueue_Print("SafeLeave is " .. SafeQueueDB.minimap)
    elseif cmd == "announce" then
        if arg == "off" or arg == "self" or arg == "party" or arg == "raid" then
            SafeQueueDB.announce = arg
            SafeQueue_Print("Announce set to " .. arg)
        else
            SafeQueue_Print("Announce set to " .. SafeQueueDB.announce)
            SafeQueue_Print("Announce types are \"off\", \"self\", \"party\", and \"raid\"")
        end
    else
        local status
        if SafeQueueDB.enabled == true then status = "|cff00ff00Enabled|r" else status = "|cffff0000Disabled|r" end
        DEFAULT_CHAT_FRAME:AddMessage("|cff33ff99SafeQueue v1.26|r")
        SafeQueue_Print(status)
        SafeQueue_Print("/sq enable")
        SafeQueue_Print("/sq disable")
        SafeQueue_Print("/sq announce : " .. SafeQueueDB.announce)
        SafeQueue_Print("/sq safeleave : " .. SafeQueueDB.minimap)
    end
end

frame = CreateFrame("Frame", nil, UIParent)
frame:SetScript("OnEvent", SafeQueue_Update)
frame:SetScript("OnUpdate", SafeQueue_Timer)
if SafeQueueDB.enabled == true then SafeQueue_Enable() end

MiniMapBattlefieldFrame:HookScript("OnClick", SafeQueue_MiniMapButton);

SlashCmdList["SafeQueue"] = SafeQueue_Command
SLASH_SafeQueue1 = "/safequeue"
SLASH_SafeQueue2 = "/sq"