local nk = require("nakama")

-- =============================================================================
-- Steam Auth Hook
-- =============================================================================
-- On first Steam login: set display_name from Steam username, default role to "player"

local function after_authenticate_steam(context, output, input)
    if not context.user_id then return end

    local status, account = pcall(nk.account_get_id, context.user_id)
    if not status or not account then return end

    -- On first login (no display name set), use Steam username
    if not account.user.display_name or account.user.display_name == "" then
        local steamName = input.username or "SteamPlayer"
        pcall(nk.account_update_id, context.user_id, nil, steamName, nil, nil, nil, nil, nil)
        nk.logger_info("Steam user " .. context.user_id .. " display name set to: " .. steamName)
    end

    -- Set default role if not set
    local metadata = {}
    if type(account.user.metadata) == "string" then
        local s, m = pcall(nk.json_decode, account.user.metadata or "{}")
        if s then metadata = m end
    else
        metadata = account.user.metadata or {}
    end

    if not metadata.role or metadata.role == "" then
        metadata.role = "player"
        pcall(nk.account_update_id, context.user_id, nil, nil, nil, nil, nil, nil, nk.json_encode(metadata))
    end
end

-- Register the Steam auth after-hook
nk.register_req_after(after_authenticate_steam, "AuthenticateSteam")

-- Create default native leaderboard on startup
pcall(nk.leaderboard_create, "global_high_score", true, "desc", "best", nil, {})

nk.logger_info("LUA TEST: core module loaded successfully")