import "server-only";

import { createAdminSupabaseClient } from "@/lib/supabase/admin";

function strictEnvironmentChatEnabled() {
  const value = process.env.EPAY_CHAT_ENABLED?.trim().toLowerCase();
  return value === "true" || value === "1";
}

function environmentConfigComplete() {
  return Boolean(
    process.env.EPAY_GATEWAY_URL?.trim()
    && process.env.EPAY_PID?.trim()
    && process.env.EPAY_KEY?.trim(),
  );
}

export async function readEpayAvailability() {
  try {
    const { data, error } = await createAdminSupabaseClient()
      .from("epay_settings")
      .select("gateway_url,pid,encrypted_key,notify_url,return_url,site_name,chat_enabled")
      .eq("id", true)
      .maybeSingle();
    if (error?.code === "42P01") {
      return { enabled: strictEnvironmentChatEnabled() && environmentConfigComplete() };
    }
    if (error || !data) return { enabled: false };
    return {
      enabled: Boolean(
        data.chat_enabled
        && data.gateway_url
        && data.pid
        && data.encrypted_key
        && data.notify_url
        && data.return_url
        && data.site_name,
      ),
    };
  } catch {
    return { enabled: false };
  }
}