"use client";

import { useState } from "react";
import { useRouter } from "next/navigation";
import {
  suspendUserAction,
  unsuspendUserAction,
} from "@/features/admin/actions";

interface SuspendUserButtonProps {
  userId: string;
  isSuspended: boolean;
}

export function SuspendUserButton({
  userId,
  isSuspended,
}: SuspendUserButtonProps) {
  const router = useRouter();
  const [open, setOpen] = useState(false);
  const [reason, setReason] = useState("");
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState("");

  async function handleSuspend() {
    setLoading(true);
    setError("");
    const res = await suspendUserAction(userId, reason);
    setLoading(false);
    if ("error" in res && res.error) {
      setError(res.error);
      return;
    }
    setOpen(false);
    setReason("");
    router.refresh();
  }

  async function handleUnsuspend() {
    if (!confirm("Buka kembali akun ini? User akan langsung bisa login.")) {
      return;
    }
    setLoading(true);
    setError("");
    const res = await unsuspendUserAction(userId);
    setLoading(false);
    if ("error" in res && res.error) {
      setError(res.error);
      return;
    }
    router.refresh();
  }

  if (isSuspended) {
    return (
      <div className="space-y-2">
        <button
          type="button"
          onClick={handleUnsuspend}
          disabled={loading}
          className="rounded-xl border border-emerald-300 bg-white px-4 py-2 text-sm font-bold text-emerald-700 hover:bg-emerald-50 disabled:opacity-50"
        >
          {loading ? "Memproses..." : "Buka Suspend"}
        </button>
        {error && (
          <div className="rounded-lg bg-red-50 px-3 py-2 text-xs font-medium text-red-700">
            {error}
          </div>
        )}
      </div>
    );
  }

  if (!open) {
    return (
      <button
        type="button"
        onClick={() => setOpen(true)}
        className="rounded-xl bg-red-600 px-4 py-2 text-sm font-bold text-white shadow-sm hover:bg-red-700"
      >
        Suspend User
      </button>
    );
  }

  return (
    <div className="space-y-3 rounded-xl border border-red-200 bg-red-50/60 p-4">
      <div>
        <label
          htmlFor="suspend-reason"
          className="mb-1 block text-xs font-semibold text-red-900"
        >
          Alasan suspend (wajib min 10 karakter — untuk audit)
        </label>
        <textarea
          id="suspend-reason"
          rows={3}
          value={reason}
          onChange={(e) => setReason(e.target.value)}
          maxLength={500}
          placeholder="contoh: User membuat 5 trip palsu dengan alias, lapor masuk dari peserta korban (ticket #123)."
          className="w-full rounded-xl border border-red-200 bg-white px-3 py-2 text-sm text-neutral-800 placeholder:text-neutral-400 focus:border-red-400"
        />
        <p className="mt-1 text-[11px] text-red-900/70">
          {reason.trim().length}/500 karakter
        </p>
      </div>

      {error && (
        <div className="rounded-lg bg-red-100 px-3 py-2 text-xs font-medium text-red-700">
          {error}
        </div>
      )}

      <div className="flex gap-2">
        <button
          type="button"
          onClick={handleSuspend}
          disabled={loading || reason.trim().length < 10}
          className="rounded-xl bg-red-600 px-4 py-2 text-sm font-bold text-white shadow-sm hover:bg-red-700 disabled:cursor-not-allowed disabled:opacity-50"
        >
          {loading ? "Memproses..." : "Konfirmasi Suspend"}
        </button>
        <button
          type="button"
          onClick={() => {
            setOpen(false);
            setReason("");
            setError("");
          }}
          disabled={loading}
          className="rounded-xl border border-neutral-200 bg-white px-4 py-2 text-sm font-semibold text-neutral-700 hover:bg-neutral-50 disabled:opacity-50"
        >
          Batal
        </button>
      </div>
    </div>
  );
}
