<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     ajax
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2023 Observium Limited
 *
 */

$rows_updated    = 0;
$update_entities = [];
//r($vars);

foreach ($vars['sensors'] as $sensor_id => $sensor_update) {

    $update_array = [];
    if (is_entity_write_permitted('sensor', $sensor_id)) {

        $sensor = get_sensor_by_id($sensor_id);

        $device_id = $sensor['device_id'];

        if (!$sensor['sensor_state']) {
            // Normal sensors
            $fields_switch = ['sensor_ignore', 'sensor_custom_limit'];
            $fields_limit  = ['sensor_limit', 'sensor_limit_warn', 'sensor_limit_low_warn', 'sensor_limit_low'];

        } else {
            // State sensors not allow edit limits
            $fields_switch = ['sensor_ignore'];
            $fields_limit  = [];
        }

        // Switch selectors
        foreach ($fields_switch as $field) {
            $sensor_update[$field] = get_var_true($sensor_update[$field]) ? '1' : '0';
            if ($sensor_update[$field] != $sensor[$field]) {
                $update_array[$field] = $sensor_update[$field];
            }
        }

        // Limits
        if ($sensor_update['sensor_reset_limit']) {
            // Reset limits
            if ($sensor['sensor_custom_limit']) {
                $update_array['sensor_custom_limit'] = '0';
            }
            $update_array['sensor_limit_low']      = ['NULL'];
            $update_array['sensor_limit_low_warn'] = ['NULL'];
            $update_array['sensor_limit_warn']     = ['NULL'];
            $update_array['sensor_limit']          = ['NULL'];
        } elseif ($sensor_update['sensor_custom_limit']) {
            foreach ($fields_limit as $field) {
                $sensor_update[$field] = !is_numeric($sensor_update[$field]) ? ['NULL'] : (float)$sensor_update[$field];
                $sensor[$field]        = !is_numeric($sensor[$field]) ? ['NULL'] : (float)$sensor[$field];
                if ($sensor_update[$field] !== $sensor[$field]) {
                    $update_array[$field] = $sensor_update[$field];
                }
            }
        }

        if (count($update_array)) {
            dbUpdate($update_array, 'sensors', '`sensor_id` = ?', [$sensor['sensor_id']]);
            $msg = 'Sensor updated (custom): ' . $sensor['sensor_class'] . ' ' . $sensor['sensor_type'] . ' ' . $sensor['sensor_id'] . ' ' . escape_html($sensor['sensor_descr']) . ' ';
            if ($update_array['sensor_limit_low']) {
                $msg .= '[L: ' . $update_array['sensor_limit_low'] . ']';
            }
            if ($update_array['sensor_limit_low_warn']) {
                $msg .= '[Lw: ' . $update_array['sensor_limit_low_warn'] . ']';
            }
            if ($update_array['sensor_limit_warn']) {
                $msg .= '[Hw: ' . $update_array['sensor_limit_warn'] . ']';
            }
            if ($update_array['sensor_limit']) {
                $msg .= '[H: ' . $update_array['sensor_limit'] . ']';
            }
            log_event($msg, $device_id, 'sensor', $sensor['sensor_id']);
            $rows_updated++;

            $update_entities[$sensor_id] = $update_array;
        }

        unset($update_array);

    } // End write permission check

} // end sensors loop

// Query updated sensors array
if ($rows_updated) {
    print_json_status('ok', $rows_updated . ' sensor(s) updated.', ['update_array' => $update_entities]);
} else {
    print_json_status('failed', 'No update performed.');
}

// EOF