<?php

return [
    /*
    |----------------------------------------------------------------------
    | Device MQTT onboarding (Shelly)
    |----------------------------------------------------------------------
    | Home-Assistant-style: every Shelly signs in with ONE shared account and
    | is created automatically on its first message. These values are shown to
    | the user under Settings → Geräte-MQTT so they can enter them into a device.
    */
    'mqtt' => [
        // Optional override for the address DEVICES connect to. Normally left null and
        // auto-detected from the request host (the LAN IP you open HomeOS at) — see
        // App\Support\HostAddress. Set MQTT_DEVICE_HOST only to force a specific value.
        'device_host' => env('MQTT_DEVICE_HOST'),

        // The shared device account. Username is fixed (matches the `shelly` ACL block).
        'device_username' => 'shelly',
        'device_password' => env('MQTT_SHELLY_PASSWORD'),
        'port' => (int) env('MQTT_PORT', 1883),

        // Auto-create a device the first time an unknown prefix publishes a real component.
        'auto_onboard' => (bool) env('MQTT_AUTO_ONBOARD', true),

        // Hard cap on total devices, so a flood of distinct prefixes on the shared account can't
        // exhaust the DB via auto-onboarding. 0 disables the cap.
        'max_devices' => (int) env('MQTT_MAX_DEVICES', 250),
    ],
];