import Link from 'next/link';
import { saveRadioSetting, saveRadioSettings } from '@/actions/admin-radio-extra';
import { prisma } from '@/lib/prisma';
import { StatusCard } from '@/components/admin/dashboard';
import { Settings } from 'lucide-react';
import { getTranslations } from "next-intl/server";

export const dynamic = 'force-dynamic';

type Field = { key: string; comment: string };
type Group = { title: string; fields: Field[] };

const GROUPS: Group[] = [
  {
    title: 'AzureCast & Stream',
    fields: [
      { key: 'radio_enabled', comment: 'Radio enabled (0=no, 1=yes)' },
      { key: 'radio_stream_url', comment: 'Main stream URL' },
      { key: 'radio_stream_backup_url', comment: 'Backup stream URL' },
      { key: 'radio_azurecast_base_url', comment: 'AzureCast base URL' },
      { key: 'radio_azurecast_station_id', comment: 'AzureCast station ID' },
      { key: 'radio_azurecast_api_key', comment: 'AzureCast API key' },
      { key: 'radio_azurecast_port', comment: 'AzureCast stream port' },
      { key: 'radio_azurecast_protocol', comment: 'AzureCast protocol (http/https)' },
      { key: 'radio_azurecast_use_proxy', comment: 'Use AzureCast proxy (0=no, 1=yes)' },
    ],
  },
  {
    title: 'External sources',
    fields: [
      { key: 'radio_sambroadcaster_api_url', comment: 'Sambroadcaster API URL' },
      { key: 'radio_sambroadcaster_password', comment: 'Sambroadcaster password' },
      { key: 'radio_virtual_dj_url', comment: 'Virtual DJ URL' },
      { key: 'radio_virtual_dj_password', comment: 'Virtual DJ password' },
      { key: 'radio_djs_api_url', comment: 'DJs API URL' },
    ],
  },
  {
    title: 'Player',
    fields: [
      { key: 'radio_style', comment: 'Player style (dark/light/blue/purple/pink/gold)' },
      { key: 'radio_player_type', comment: 'Player type (default/minimal/embedded)' },
      { key: 'radio_auto_play', comment: 'Auto-play on page load (0=no, 1=yes)' },
      { key: 'radio_auto_play_delay', comment: 'Auto-play delay in seconds' },
      { key: 'radio_mute_on_start', comment: 'Muted on start (0=no, 1=yes)' },
      { key: 'radio_volume', comment: 'Default volume (0-100)' },
      { key: 'radio_language', comment: 'Default language (nl/en/de/fr/es/pt/it/br)' },
      { key: 'radio_multi_language_enabled', comment: 'Multi-language support (0=no, 1=yes)' },
      { key: 'radio_player_color_primary', comment: 'Player primary color' },
      { key: 'radio_player_color_secondary', comment: 'Player secondary color' },
      { key: 'radio_player_color_text', comment: 'Player text color' },
      { key: 'radio_player_color_accent', comment: 'Player accent color' },
    ],
  },
  {
    title: 'Now playing & history',
    fields: [
      { key: 'radio_now_playing_enabled', comment: 'Show now playing info (0=no, 1=yes)' },
      { key: 'radio_now_playing_api_url', comment: 'Now playing API URL' },
      { key: 'radio_now_playing_cache_duration', comment: 'Now playing cache duration in seconds' },
      { key: 'radio_show_song_history', comment: 'Show song history (0=no, 1=yes)' },
      { key: 'radio_song_history_count', comment: 'Number of songs in history' },
    ],
  },
  {
    title: 'Listeners',
    fields: [
      { key: 'radio_listeners_enabled', comment: 'Show listeners count (0=no, 1=yes)' },
      { key: 'radio_listeners_api_url', comment: 'Listeners API URL' },
      { key: 'radio_listeners_update_interval', comment: 'Listeners update interval in seconds' },
      { key: 'radio_show_listener_peak', comment: 'Show listener peak (0=no, 1=yes)' },
      { key: 'radio_peak_reset_time', comment: 'Peak reset time (HH:MM)' },
      { key: 'radio_store_listener_stats', comment: 'Store listener statistics (0=no, 1=yes)' },
      { key: 'radio_stats_retention_days', comment: 'Statistics retention in days' },
      { key: 'radio_show_listener_graph', comment: 'Show listener graph (0=no, 1=yes)' },
      { key: 'radio_listener_graph_period', comment: 'Listener graph period (1h/6h/12h/24h/7d)' },
      { key: 'radio_show_average_listeners', comment: 'Show average listeners (0=no, 1=yes)' },
      { key: 'radio_show_unique_listeners', comment: 'Show unique listeners (0=no, 1=yes)' },
      { key: 'radio_listener_alerts_enabled', comment: 'Enable listener alerts (0=no, 1=yes)' },
      { key: 'radio_min_listeners_threshold', comment: 'Minimum listeners threshold' },
      { key: 'radio_listener_alert_threshold_high', comment: 'High listener alert threshold' },
      { key: 'radio_listener_alert_threshold_low', comment: 'Low listener alert threshold' },
    ],
  },
  {
    title: 'DJ',
    fields: [
      { key: 'radio_show_current_dj', comment: 'Show current DJ (0=no, 1=yes)' },
      { key: 'radio_current_dj_id', comment: 'Manual DJ user ID' },
      { key: 'radio_dj_avatar_size', comment: 'DJ avatar size in pixels' },
      { key: 'radio_show_dj_schedule', comment: 'Show DJ schedule (0=no, 1=yes)' },
      { key: 'radio_auto_dj_detection', comment: 'Enable auto DJ detection (0=no, 1=yes)' },
      { key: 'radio_dj_detection_interval', comment: 'DJ detection interval in seconds' },
      { key: 'auto_dj_detected_action', comment: 'Action on DJ detection (set_dj/notify/both)' },
    ],
  },
  {
    title: 'Shouts & chat',
    fields: [
      { key: 'radio_shouts_enabled', comment: 'Enable shouts (0=no, 1=yes)' },
      { key: 'radio_shouts_max_length', comment: 'Maximum shout length in characters' },
      { key: 'radio_shouts_cooldown', comment: 'Shout cooldown in seconds' },
      { key: 'radio_shouts_require_moderation', comment: 'Require shout moderation (0=no, 1=yes)' },
      { key: 'radio_chat_enabled', comment: 'Enable live chat (0=no, 1=yes)' },
      { key: 'radio_chat_position', comment: 'Chat position (left/right/bottom)' },
      { key: 'radio_chat_width', comment: 'Chat width in pixels' },
      { key: 'radio_chat_height', comment: 'Chat height in pixels' },
      { key: 'radio_chat_messages_count', comment: 'Number of chat messages to show' },
      { key: 'radio_chat_show_timestamps', comment: 'Show chat timestamps (0=no, 1=yes)' },
      { key: 'radio_chat_allow_links', comment: 'Allow links in chat (0=no, 1=yes)' },
      { key: 'radio_chat_allow_emojis', comment: 'Allow emojis in chat (0=no, 1=yes)' },
    ],
  },
  {
    title: 'Requests & widget',
    fields: [
      { key: 'radio_request_form_enabled', comment: 'Enable song requests (0=no, 1=yes)' },
      { key: 'radio_request_max_per_user', comment: 'Maximum requests per user' },
      { key: 'radio_request_cooldown', comment: 'Request cooldown in seconds' },
      { key: 'radio_voting_enabled', comment: 'Enable request voting (0=no, 1=yes)' },
      { key: 'radio_voting_show_song_requests', comment: 'Show requests with votes (0=no, 1=yes)' },
      { key: 'radio_widget_enabled', comment: 'Enable radio widget (0=no, 1=yes)' },
      { key: 'radio_widget_show_globally', comment: 'Show widget globally (0=no, 1=yes)' },
      { key: 'radio_widget_position', comment: 'Widget position' },
    ],
  },
  {
    title: 'Offline & branding',
    fields: [
      { key: 'radio_show_offline_message', comment: 'Show offline message (0=no, 1=yes)' },
      { key: 'radio_offline_message', comment: 'Offline message text' },
      { key: 'radio_offline_image', comment: 'Offline page image URL' },
      { key: 'radio_background_image', comment: 'Background image URL' },
      { key: 'radio_logo_url', comment: 'Radio logo URL' },
    ],
  },
  {
    title: 'Applications',
    fields: [
      { key: 'radio_applications_enabled', comment: 'Enable DJ applications (0=no, 1=yes)' },
      { key: 'radio_applications_max_per_day', comment: 'Maximum applications per day' },
      { key: 'radio_applications_require_approval', comment: 'Require application approval (0=no, 1=yes)' },
    ],
  },
  {
    title: 'Stats display',
    fields: [
      { key: 'radio_stats_show_daily', comment: 'Show daily statistics (0=no, 1=yes)' },
      { key: 'radio_stats_show_weekly', comment: 'Show weekly statistics (0=no, 1=yes)' },
      { key: 'radio_stats_show_monthly', comment: 'Show monthly statistics (0=no, 1=yes)' },
      { key: 'radio_stats_show_top_djs', comment: 'Show top DJs (0=no, 1=yes)' },
      { key: 'radio_stats_show_top_songs', comment: 'Show top songs (0=no, 1=yes)' },
    ],
  },
  {
    title: 'Social & contact',
    fields: [
      { key: 'radio_social_facebook', comment: 'Facebook URL' },
      { key: 'radio_social_twitter', comment: 'Twitter URL' },
      { key: 'radio_social_instagram', comment: 'Instagram URL' },
      { key: 'radio_social_discord', comment: 'Discord URL' },
      { key: 'radio_social_youtube', comment: 'YouTube URL' },
      { key: 'radio_social_twitch', comment: 'Twitch URL' },
      { key: 'radio_contact_email', comment: 'Contact email' },
      { key: 'radio_contact_phone', comment: 'Contact phone' },
      { key: 'radio_about_text', comment: 'About radio text' },
    ],
  },
  {
    title: 'Discord webhook & custom code',
    fields: [
      { key: 'radio_discord_webhook_url', comment: 'Discord webhook URL' },
      { key: 'radio_discord_enabled', comment: 'Enable Discord notifications (0=no, 1=yes)' },
      { key: 'radio_discord_dj_live', comment: 'Discord DJ live notification (0=no, 1=yes)' },
      { key: 'radio_discord_song_changes', comment: 'Discord song change notification (0=no, 1=yes)' },
      { key: 'radio_discord_custom_message', comment: 'Custom Discord message template' },
      { key: 'radio_custom_css', comment: 'Custom CSS code' },
      { key: 'radio_custom_js', comment: 'Custom JavaScript code' },
    ],
  },
];

const CURATED_KEYS = new Set(GROUPS.flatMap((g) => g.fields.map((f) => f.key)));

export default async function AdminRadioSettingsPage() {
  const t = await getTranslations("pages.admin.radio");

  let values: Map<string, string> = new Map();
  let dbError = false;
  let extra: Field[] = [];

  try {
    const rows = await prisma.websiteSetting.findMany({
      select: { key: true, value: true, comment: true },
    });
    values = new Map(rows.map((r) => [r.key, r.value]));
    extra = rows
      .filter(
        (r) =>
          (r.key.startsWith('radio_') || r.key.startsWith('auto_dj_')) &&
          !CURATED_KEYS.has(r.key),
      )
      .map((r) => ({ key: r.key, comment: r.comment ?? '' }));
  } catch {
    dbError = true;
  }

  const groups: Group[] = extra.length
    ? [...GROUPS, { title: t("settingsForm.otherSettings"), fields: extra }]
    : GROUPS;

  const allKeys = [...CURATED_KEYS, ...extra.map((e) => e.key)].join(',');

  const totalKeys = CURATED_KEYS.size + extra.length;
  const configuredKeys = [...CURATED_KEYS].filter((k) => {
    const v = values.get(k);
    return v != null && v !== '';
  }).length;
  const radioEnabled = (values.get('radio_enabled') ?? '') === '1';

  return (
    <main>
      <nav className="text-xs text-gray-500 dark:text-gray-400 mb-2">
        <Link href="/admin/radio">{t("title")}</Link> ·{' '}
        <Link href="/admin/radio/settings">{t("settings")}</Link> ·{' '}
        <Link href="/admin/radio/banners">{t("banners.title")}</Link> ·{' '}
        <Link href="/admin/radio/ranks">{t("ranks")}</Link> ·{' '}
        <Link href="/admin/radio/history">{t("history")}</Link>
      </nav>

      <div className="flex items-center gap-3 mb-6">
        <div className="w-10 h-10 rounded-xl bg-gradient-to-br from-[var(--color-primary)]/20 to-[var(--color-primary)]/5 grid place-items-center">
          <Settings size={20} className="text-[var(--color-primary)]" />
        </div>
        <div>
          <h1 className="m-0 text-xl font-extrabold text-[var(--color-text)]">{t("settingsForm.title")}</h1>
          <p className="m-0 text-xs text-[var(--color-text-muted)] mt-0.5">{t("settingsForm.subtitle")}</p>
        </div>
      </div>

      {dbError ? (
        <div className="admin-card mb-6">
          <p className="text-xs text-gray-500 dark:text-gray-400 m-0">
            {t("settingsForm.dbError")}
          </p>
        </div>
      ) : (
        <div className="grid grid-cols-[repeat(auto-fit,minmax(180px,1fr))] gap-3.5 mb-6">
          <StatusCard
            label="Radio"
            value={radioEnabled ? t("settingsForm.enabled") : t("settingsForm.disabled")}
            state={radioEnabled ? 'ok' : 'danger'}
            icon="\u{1F4BB}"
          />
          <StatusCard label={t("settingsForm.totalKeys")} value={totalKeys} icon="\u{1F511}" />
          <StatusCard
            label={t("settingsForm.configured")}
            value={`${configuredKeys}/${CURATED_KEYS.size}`}
            hint={t("settingsForm.curatedHint")}
            icon="\u{2699}\uFE0F"
          />
          <StatusCard
            label={t("settingsForm.customKeys")}
            value={extra.length}
            state={extra.length > 0 ? 'warn' : 'neutral'}
            icon="\u{2795}"
          />
        </div>
      )}

      <form action={saveRadioSettings}>
        <input type="hidden" name="__keys" value={allKeys} />
        <div className="flex justify-end mb-4">
          <button type="submit" className="btn btn-primary">
            {t("settingsForm.saveAll")}
          </button>
        </div>

        {groups.map((group) => (
          <section key={group.title} className="admin-card" style={{ marginBottom: '1.25rem' }}>
            <h2 style={{ marginTop: 0 }}>{group.title}</h2>
            <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
              {group.fields.map((field) => (
                <div key={field.key}>
                  <label
                    htmlFor={`f_${field.key}`}
                    style={{ display: 'block', fontWeight: 700, fontSize: '0.85rem' }}
                  >
                    {field.key}
                  </label>
                  <input
                    id={`f_${field.key}`}
                    name={field.key}
                    defaultValue={values.get(field.key) ?? ''}
                    style={{ width: '100%' }}
                  />
                  {field.comment ? (
                    <p className="text-xs text-gray-500 dark:text-gray-400" style={{ margin: '0.2rem 0 0' }}>
                      {field.comment}
                    </p>
                  ) : null}
                </div>
              ))}
            </div>
          </section>
        ))}

        <div className="flex justify-end">
          <button type="submit" className="btn btn-primary">
            {t("settingsForm.saveAll")}
          </button>
        </div>
      </form>

      <section className="admin-card" style={{ marginTop: '1.5rem' }}>
        <h3 style={{ marginTop: 0 }}>{t("settingsForm.singleKey")}</h3>
        <form action={saveRadioSetting} className="flex gap-2 flex-wrap">
          <input name="key" placeholder={t("settingsForm.keyPlaceholder")} required />
          <input name="value" placeholder={t("settingsForm.valuePlaceholder")} className="flex-1 min-w-[160px]" />
          <input name="comment" placeholder={t("settingsForm.commentPlaceholder")} />
          <button type="submit" className="btn btn-primary">
            {t("settingsForm.saveSingle")}
          </button>
        </form>
      </section>
    </main>
  );
}