AD_Init.lua

-- Startup: the store loads on ADDON_LOADED, the layout engine starts on
-- PLAYER_LOGIN, and the slash commands open the options.

local ADDON, NS = ...
local Events = NS.Events

-- The options panel's theme when the player never picked one (Settings >
-- Theme); the saved pick replaces it once the saved variables load, before
-- any window is built.
NS.THEME_DEFAULT = "dusk"
NS.AT.UsePalette(NS.THEME_DEFAULT)
local Theme = NS.Options and NS.Options.Theme

local loader = CreateFrame("Frame")
loader:RegisterEvent("ADDON_LOADED")
loader:RegisterEvent("PLAYER_LOGIN")
loader:RegisterEvent("PLAYER_ENTERING_WORLD")
loader:SetScript("OnEvent", function(self, event, arg1)
    if event == "ADDON_LOADED" and arg1 == ADDON then
        NS.Store.Init()
        if Theme then Theme.ApplySaved() end
        -- Aura slots are created parked here: the load window is the one
        -- time engine slot creation is legal, even in combat or an instance.
        if NS.DriverAura and NS.DriverAura.PreBuild then
            NS.DriverAura.PreBuild()
        end
        if NS.DriverUnitAuras and NS.DriverUnitAuras.PreBuild then
            NS.DriverUnitAuras.PreBuild()
        end
        if NS.DriverAuraRows and NS.DriverAuraRows.PreBuild then
            NS.DriverAuraRows.PreBuild()
        end
        self:UnregisterEvent("ADDON_LOADED")
    elseif event == "PLAYER_LOGIN" then
        -- On Forever the client can assign the saved variables global after
        -- ADDON_LOADED; point the store at the live table.
        if NS.Store.AdoptLiveSV() and Theme then Theme.ApplySaved() end
        NS.LayoutEngine.Init()
        -- Aura bars build here, inside the login window, as the aura slots
        -- did at ADDON_LOADED: the queued draw runs a frame later, outside it.
        if NS.Bars and NS.Bars.PreBuildAura then NS.Bars.PreBuildAura() end
        NS.LayoutEngine.QueueRebuild()
        if NS.SlashAtLogin then NS.SlashAtLogin() end
        self:UnregisterEvent("PLAYER_LOGIN")
    elseif event == "PLAYER_ENTERING_WORLD" then
        -- The same check one event later: if the client re-pointed the global
        -- after PLAYER_LOGIN, follow it and draw the real layout.
        self:UnregisterEvent("PLAYER_ENTERING_WORLD")
        if NS.Store.AdoptLiveSV() then
            if Theme then Theme.ApplySaved() end
            NS.LayoutEngine.QueueRebuild()
        end
        -- Entering the world closes every Escape-closable window, so open it after.
        if NS.Migrate and NS.Migrate.OldEngineLoaded() then C_Timer.After(1, NS.Migrate.ShowNotice) end
        if Theme then Theme.ReopenAfterReload() end
    end
end)

-- Sample layout for "/arcui2 demo": a cooldown group (with a charge spell,
-- to exercise the dual-shadow path), an aura group and a free trinket.
local function SeedDemo()
    local Store = NS.Store
    local layout = Store.NewLayout("Demo HUD")
    local rotation = Store.NewGroup(layout.id, "Rotation", "cooldown")
    for _, sid in ipairs({ 17364, 60103, 188389, 51533 }) do
        local name = (C_Spell.GetSpellName and C_Spell.GetSpellName(sid)) or ("Spell " .. sid)
        Store.NewIcon("spell", { spellID = sid }, rotation.id, nil, name)
    end
    local buffs = Store.NewGroup(layout.id, "Buffs", "aura")
    local aname = (C_Spell.GetSpellName and C_Spell.GetSpellName(344179)) or "Aura 344179"
    Store.NewIcon("aura", { spellID = 344179, auraType = "buff" }, buffs.id, nil, aname)
    Store.NewIcon("trinket", { slotID = 13 }, nil, layout.id, "Trinket 1")
    return layout
end

-- The old Arc UI Forever commands keep working. The numbers stay gapless: the
-- chat frame stops reading at the first missing one.
if NS.IsForever then
    -- Forever has no retail ArcUI, so /arcui and /aui open this addon there too.
    SLASH_ARCUIVTWO1 = "/arcauras"
    SLASH_ARCUIVTWO2 = "/arcui2"
    SLASH_ARCUIVTWO3 = "/aui2"
    SLASH_ARCUIVTWO4 = "/arcui"
    SLASH_ARCUIVTWO5 = "/aui"
else
    -- Retail ArcUI answers /arcauras too: NS.SlashAtLogin adds it only without ArcUI.
    SLASH_ARCUIVTWO1 = "/arcui2"
    SLASH_ARCUIVTWO2 = "/aui2"
end
local function Slash(msg)
    msg = (msg or ""):lower():gsub("^%s+", ""):gsub("%s+$", "")
    if msg == "demo" then
        local layout = SeedDemo()
        NS.Options.Open()
        NS.Options.Select("layout", layout.id)
        return
    end
    -- "/arcui2 plate" prints what the target-nameplate pin sees on this client.
    -- Chat output only ever answers a command the player typed.
    if msg == "plate" and NS.Anchor and NS.Anchor.PlateReport then
        for _, line in ipairs(NS.Anchor.PlateReport()) do
            print("|cff3fc9f2Arc Auras:|r " .. line)
        end
        return
    end
    -- "/arcauras special" (or "procs") prints every Arc Proc's state (retail only).
    if (msg == "special" or msg == "procs") and NS.Special and NS.Special.Diag then
        for _, line in ipairs(NS.Special.Diag()) do
            print("|cff3fc9f2Arc Auras:|r " .. line)
        end
        return
    end
    -- "/arcauras reset dw" restarts one Arc Proc's count, "reset" alone
    -- every one, as ProcTracker's /pt reset did (retail).
    local tracker = msg:match("^reset%s*(%S*)$")
    local SP = NS.Special
    if tracker and SP and SP.Reset then
        local def = tracker ~= "" and SP.Get(tracker) or nil
        if tracker == "" then SP.ResetAll("command") elseif def then SP.Reset(tracker) end
        print("|cff3fc9f2Arc Auras:|r " .. ((tracker == "" and "every Arc Proc count reset.")
            or (def and (def.name .. " count reset.")) or ("no Arc Proc called " .. tracker .. ".")))
        return
    end
    -- "/arcauras mirror": the Cooldown Manager against its mirrored layout
    if msg == "mirror" and NS.MirrorCheck then
        NS.MirrorCheck.Open()
        return
    end
    -- "/arcui2 proctracker" opens the ProcTracker import (retail); ArcUI
    -- ProcTracker's own pointer runs it.
    local PW = NS.Options and NS.Options.ImportPT
    if msg == "proctracker" and PW and PW.Open then
        PW.Open()
        return
    end
    -- "/arcui2 arcui" opens the Arc UI import (retail); the Arc UI stand-in's
    -- old commands run it.
    local IW = NS.Options and NS.Options.ImportArcUI
    if msg == "arcui" and IW and IW.Open then
        IW.Open()
        return
    end
    NS.Options.Toggle()
end
SlashCmdList["ARCUIVTWO"] = Slash

-- At login every addon has loaded, so whether another one owns /arcauras (an
-- ArcUI whose custom icons still carry that name) is known. Setting the
-- handler again makes the chat frame read the added name.
function NS.SlashAtLogin()
    if NS.IsForever then return end
    if SlashCmdList.ARCAURAS then return end
    SLASH_ARCUIVTWO3 = "/arcauras"
    SlashCmdList["ARCUIVTWO"] = Slash
end