Init.lua

-------------------------------------------------------------------------------
-- Premade Groups Filter Plus
-- SPDX-License-Identifier: GPL-2.0-or-later
--
-- An enhancement add-on for Premade Groups Filter (PGF). It is a hard
-- dependency of PGF (see the TOC) so the global table `PremadeGroupsFilter`
-- and its internal namespace `PremadeGroupsFilter.Debug` are guaranteed to be
-- available by the time this add-on loads.
-------------------------------------------------------------------------------

PremadeGroupsFilterPlus = {}
PremadeGroupsFilterPlusSettings = PremadeGroupsFilterPlusSettings or {}

local PGFPAddonName = select(1, ...)
local PGFP = select(2, ...)

-- Expose the private namespace for in-game debugging (mirrors PGF.Debug).
PremadeGroupsFilterPlus.Debug = PGFP

PGFP.L = {}

local L = PGFP.L

-- Default account-wide settings. Missing keys are filled in on ADDON_LOADED so
-- that older saved variables keep working after an upgrade.
PGFP.SETTINGS_DEFAULT = {
    sortByMembers = true,     -- inject "members desc" into the PGF sorting
}

-- Recursively copies any missing default into the target table. Existing user
-- values are never overwritten.
function PGFP.Table_UpdateWithDefaults(target, defaults)
    for key, value in pairs(defaults) do
        if type(value) == "table" then
            if type(target[key]) ~= "table" then target[key] = {} end
            PGFP.Table_UpdateWithDefaults(target[key], value)
        elseif target[key] == nil then
            target[key] = value
        end
    end
    return target
end

local function OnAddonLoaded(name)
    if name ~= PGFPAddonName then return end
    PGFP.Table_UpdateWithDefaults(PremadeGroupsFilterPlusSettings, PGFP.SETTINGS_DEFAULT)
end

local function OnPlayerLogin()
    -- The Blizzard Group Finder frames and PGF are fully built by now.
    if PGFP.InitSortByMembers then PGFP.InitSortByMembers() end
    if PGFP.InitApplicantKeyLevel then PGFP.InitApplicantKeyLevel() end
    if PGFP.InitBrowseAsMember then PGFP.InitBrowseAsMember() end
    if PGFP.InitDialogAutoSnap then PGFP.InitDialogAutoSnap() end
end

local eventFrame = CreateFrame("Frame", "PremadeGroupsFilterPlusEventFrame")
eventFrame:RegisterEvent("ADDON_LOADED")
eventFrame:RegisterEvent("PLAYER_LOGIN")
eventFrame:SetScript("OnEvent", function (self, event, ...)
    if event == "ADDON_LOADED" then
        OnAddonLoaded(...)
    elseif event == "PLAYER_LOGIN" then
        OnPlayerLogin()
    end
end)

PGFP.eventFrame = eventFrame