// Copyright: © 2026 TWWIM UG. All rights reserved. (www.twwim.com)
/**
 * Wire-shape normaliser for plugin settings.
 *
 * Trims each phrase, drops empty ones. Does not mutate input.
 *
 * @layer Presentation
 */

import type { UpdatePluginSettingsRequest } from '@archer/api-interface';
import type { FormState } from './constants';

function normaliseMap(m: Record<string, string[]>): Record<string, string[]> {
  const out: Record<string, string[]> = {};
  for (const [locale, phrases] of Object.entries(m)) {
    out[locale] = phrases.map((p) => p.trim()).filter((p) => p.length > 0);
  }
  return out;
}

export function normaliseForWire(form: FormState): UpdatePluginSettingsRequest {
  const scenarioRaw = form.snippet.scenario;
  const scenarioTrimmed =
    typeof scenarioRaw === 'string' ? scenarioRaw.trim() : '';
  const scenario =
    scenarioRaw === null || scenarioTrimmed.length === 0
      ? null
      : scenarioTrimmed;

  return {
    visibility: { ...form.visibility },
    snippet: {
      theme: form.snippet.theme.trim(),
      dock: form.snippet.dock,
      uiCacheTTL: form.snippet.uiCacheTTL,
      scenario,
      domIndexer: form.snippet.domIndexer,
      deploymentTarget: form.snippet.deploymentTarget,
    },
    attention: {
      enabled: form.attention.enabled,
      welcome: {
        ...form.attention.welcome,
        messages: normaliseMap(form.attention.welcome.messages),
      },
      idle: {
        ...form.attention.idle,
        messages: normaliseMap(form.attention.idle.messages),
      },
    },
  };
}