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 theme-text-muted dark:theme-text-muted 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 theme-text-muted dark:theme-text-muted 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 theme-text-muted dark:theme-text-muted" 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>
  );
}