import { getAppConfigs, upsertConfig, deleteConfig } from "../../../config/actions";
import { getAppById } from "../../actions";
import { Save, Trash2, Smartphone, Globe, Plus, Code, ArrowLeft } from "lucide-react";
import Link from "next/link";
import { notFound } from "next/navigation";
import { revalidatePath } from "next/cache";

export default async function AppConfigPage({ params }: { params: Promise<{ id: string }> }) {
  const { id } = await params;
  const appId = parseInt(id);

  if (isNaN(appId)) notFound();

  const app = await getAppById(appId);
  if (!app) notFound();

  const configToken = process.env.CONFIG_API_TOKEN ?? "";
  const jsonUrl = `/api/config/${app.bundleId}?token=${configToken}`;

  const configs = await getAppConfigs(appId);

  // --- Server Actions ---

  async function handleAddConfig(formData: FormData) {
    "use server";
    const key = formData.get("key") as string;
    const value = formData.get("value") as string;
    const type = formData.get("type") as string;

    let parsedValue: any = value;
    if (type === "boolean") parsedValue = value === "true";
    if (type === "number") parsedValue = parseFloat(value);

    await upsertConfig(appId, key, parsedValue);
    revalidatePath(`/apps/${appId}/config`);
  }

  async function handleUpdateConfig(formData: FormData) {
    "use server";
    const key = formData.get("key") as string;
    const rawValue = formData.get("value") as string;

    // Auto-detect type
    let parsedValue: any = rawValue;
    if (rawValue === "true") parsedValue = true;
    else if (rawValue === "false") parsedValue = false;
    else if (rawValue !== "" && !isNaN(Number(rawValue))) parsedValue = Number(rawValue);

    await upsertConfig(appId, key, parsedValue);
    revalidatePath(`/apps/${appId}/config`);
  }

  return (
    <div className="flex h-screen bg-slate-50 dark:bg-black font-sans text-slate-900 dark:text-slate-100">
      {/* Sidebar */}
      <aside className="w-64 bg-white dark:bg-zinc-950 border-r border-slate-200 dark:border-zinc-900 flex flex-col shrink-0 shadow-sm">
        <div className="p-6 border-b border-slate-100 dark:border-zinc-900 flex items-center gap-3">
          <Link href="/" className="w-7 h-7 bg-slate-900 dark:bg-white rounded-md flex items-center justify-center">
            <span className="text-white dark:text-black font-bold text-sm">A</span>
          </Link>
          <span className="font-bold text-lg uppercase tracking-wider">AppAdmin</span>
        </div>
        <nav className="flex-1 p-4 space-y-1">
          <Link href="/" className="flex items-center gap-2.5 px-3 py-2 text-slate-600 dark:text-zinc-400 hover:bg-slate-50 dark:hover:bg-zinc-900 rounded-lg text-sm font-medium">
            <Globe size={18} /> Dashboard
          </Link>
          <Link href="/apps" className="flex items-center gap-2.5 px-3 py-2 bg-slate-900 dark:bg-white text-white dark:text-black rounded-lg text-sm font-semibold">
            <Smartphone size={18} /> Uygulamalar
          </Link>
        </nav>
      </aside>

      {/* Main */}
      <main className="flex-1 overflow-y-auto p-8">
        <div className="max-w-5xl mx-auto space-y-8">

          {/* Header */}
          <div className="flex items-center justify-between border-b border-slate-200 dark:border-zinc-900 pb-6">
            <div className="flex items-center gap-4">
              <Link href="/apps" className="p-2 bg-white dark:bg-zinc-950 border border-slate-200 dark:border-zinc-800 rounded-lg text-slate-500 hover:text-slate-900 transition-colors">
                <ArrowLeft size={20} />
              </Link>
              <div>
                <h1 className="text-2xl font-bold">{app.name} - Remote Config</h1>
                <p className="text-sm text-slate-500 font-mono opacity-70">{app.bundleId}</p>
              </div>
            </div>
            <Link
              href={jsonUrl}
              target="_blank"
              className="px-4 py-2 bg-slate-100 dark:bg-zinc-900 rounded-lg text-xs font-bold flex items-center gap-2 hover:bg-slate-200 transition-all border border-slate-200 dark:border-zinc-800"
            >
              <Code size={14} /> JSON Çıktısı
            </Link>
          </div>

          {/* API Erişim Bilgisi */}
          <div className="bg-slate-900 dark:bg-zinc-900 rounded-xl p-5 space-y-3 border border-slate-800">
            <p className="text-[10px] font-bold uppercase tracking-widest text-slate-400">Mobil Uygulama Entegrasyonu</p>
            <div className="flex flex-col gap-2">
              <div className="flex items-center gap-3">
                <span className="text-[10px] font-bold uppercase text-slate-500 w-16 shrink-0">URL</span>
                <code className="flex-1 text-xs text-emerald-400 font-mono bg-black/30 px-3 py-1.5 rounded-lg truncate select-all">
                  {`/api/config/${app.bundleId}`}
                </code>
              </div>
              <div className="flex items-center gap-3">
                <span className="text-[10px] font-bold uppercase text-slate-500 w-16 shrink-0">Token</span>
                <code className="flex-1 text-xs text-yellow-400 font-mono bg-black/30 px-3 py-1.5 rounded-lg truncate select-all">
                  {configToken || "— CONFIG_API_TOKEN tanımlı değil —"}
                </code>
              </div>
              <p className="text-[10px] text-slate-500 pl-20">
                {`Authorization: Bearer <token>  ya da  ?token=<token>  query parametresi ile erişin.`}
              </p>
            </div>
          </div>

          <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">

            {/* Add New Config Panel */}
            <div className="lg:col-span-1">
              <div className="bg-white dark:bg-zinc-950 p-6 rounded-xl border border-slate-200 dark:border-zinc-900 shadow-sm sticky top-8">
                <h3 className="font-bold text-sm mb-4 flex items-center gap-2 text-slate-900 dark:text-white">
                  <Plus size={16} className="text-blue-500" /> Yeni Ayar Ekle
                </h3>
                <form action={handleAddConfig} className="space-y-4">
                  <div className="space-y-1">
                    <label className="text-[10px] font-bold uppercase text-slate-400">Anahtar (Key)</label>
                    <input
                      name="key"
                      required
                      placeholder="örn: maintenance_mode"
                      className="w-full px-3 py-2 bg-slate-50 dark:bg-zinc-900 border border-slate-200 dark:border-zinc-800 rounded-lg text-sm font-mono text-slate-900 dark:text-white outline-none focus:ring-2 focus:ring-slate-400"
                    />
                  </div>
                  <div className="space-y-1">
                    <label className="text-[10px] font-bold uppercase text-slate-400">Değer (Value)</label>
                    <input
                      name="value"
                      required
                      placeholder="örn: true veya 1.0.0"
                      className="w-full px-3 py-2 bg-slate-50 dark:bg-zinc-900 border border-slate-200 dark:border-zinc-800 rounded-lg text-sm text-slate-900 dark:text-white outline-none focus:ring-2 focus:ring-slate-400"
                    />
                  </div>
                  <div className="space-y-1">
                    <label className="text-[10px] font-bold uppercase text-slate-400">Tip</label>
                    <select
                      name="type"
                      className="w-full px-3 py-2 bg-slate-50 dark:bg-zinc-900 border border-slate-200 dark:border-zinc-800 rounded-lg text-sm text-slate-900 dark:text-white outline-none"
                    >
                      <option value="string">String</option>
                      <option value="boolean">Boolean</option>
                      <option value="number">Number</option>
                    </select>
                  </div>
                  <button
                    type="submit"
                    className="w-full py-2.5 bg-slate-900 dark:bg-white text-white dark:text-black rounded-lg text-sm font-bold hover:opacity-90 transition-opacity"
                  >
                    Kaydet
                  </button>
                </form>
              </div>
            </div>

            {/* Config Table */}
            <div className="lg:col-span-2">
              <div className="bg-white dark:bg-zinc-950 rounded-xl border border-slate-200 dark:border-zinc-900 shadow-sm overflow-hidden">
                <table className="w-full text-left">
                  <thead className="bg-slate-50 dark:bg-zinc-900 border-b border-slate-200 dark:border-zinc-800 text-[10px] font-bold uppercase tracking-widest text-slate-400">
                    <tr>
                      <th className="px-5 py-4 w-2/5">Key</th>
                      <th className="px-5 py-4 w-3/5">Value</th>
                      <th className="px-5 py-4 text-right"></th>
                    </tr>
                  </thead>
                  <tbody className="divide-y divide-slate-100 dark:divide-zinc-900">
                    {configs.map((config) => (
                      <tr
                        key={config.id}
                        className="hover:bg-slate-50/70 dark:hover:bg-zinc-900/50 transition-colors group"
                      >
                        {/* Key — read only */}
                        <td className="px-5 py-3 font-mono text-xs font-semibold text-slate-600 dark:text-zinc-400 align-middle">
                          {config.configKey}
                        </td>

                        {/* Value — inline editable */}
                        <td className="px-3 py-2 align-middle">
                          <form action={handleUpdateConfig} className="flex items-center gap-1.5">
                            <input type="hidden" name="key" value={config.configKey} />
                            <input
                              name="value"
                              defaultValue={String(config.configValue)}
                              className="w-full px-3 py-1.5 rounded-lg text-sm font-mono text-slate-900 dark:text-white bg-slate-50 dark:bg-zinc-900 border border-slate-200 dark:border-zinc-800 outline-none focus:ring-2 focus:ring-slate-400 dark:focus:ring-zinc-600 transition-all"
                            />
                            <button
                              type="submit"
                              title="Değeri güncelle"
                              className="shrink-0 w-7 h-7 flex items-center justify-center rounded-lg text-slate-300 dark:text-zinc-600 hover:text-emerald-600 dark:hover:text-emerald-400 hover:bg-emerald-50 dark:hover:bg-emerald-950/50 transition-all opacity-0 group-hover:opacity-100 focus:opacity-100"
                            >
                              <Save size={14} />
                            </button>
                          </form>
                        </td>

                        {/* Delete */}
                        <td className="px-5 py-3 text-right align-middle">
                          <form
                            action={async () => {
                              "use server";
                              await deleteConfig(config.id);
                              revalidatePath(`/apps/${appId}/config`);
                            }}
                          >
                            <button
                              type="submit"
                              title="Sil"
                              className="p-1.5 rounded-lg text-slate-300 dark:text-zinc-700 hover:text-red-500 hover:bg-red-50 dark:hover:bg-red-950/40 transition-all"
                            >
                              <Trash2 size={15} />
                            </button>
                          </form>
                        </td>
                      </tr>
                    ))}

                    {configs.length === 0 && (
                      <tr>
                        <td colSpan={3} className="px-6 py-12 text-center text-slate-400 italic text-sm">
                          Henüz bir ayar eklenmemiş.
                        </td>
                      </tr>
                    )}
                  </tbody>
                </table>
              </div>
            </div>

          </div>
        </div>
      </main>
    </div>
  );
}