"use client";

import { useState } from "react";
import { Mail, Send, CheckCircle2 } from "lucide-react";

interface NoAvailabilityContactProps {
  locale: string;
  /** e.g. the searched arrival/departure dates, sent along for context. */
  context?: string;
}

export function NoAvailabilityContact({ locale, context }: NoAvailabilityContactProps) {
  const [email, setEmail] = useState("");
  const [message, setMessage] = useState("");
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState("");
  const [sent, setSent] = useState(false);

  const isDe = locale === "de";

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault();
    if (!email || !message) return;
    setLoading(true);
    setError("");

    try {
      const res = await fetch("/api/contact", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ email, message, context }),
      });

      if (!res.ok) {
        throw new Error("Failed to send message");
      }

      setSent(true);
    } catch {
      setError(
        isDe
          ? "Ihre Nachricht konnte nicht gesendet werden. Bitte versuchen Sie es erneut oder schreiben Sie uns direkt an info@bb-apartment.de."
          : "Your message could not be sent. Please try again or email us directly at info@bb-apartment.de."
      );
    } finally {
      setLoading(false);
    }
  }

  if (sent) {
    return (
      <div className="bg-brand-green/10 border-2 border-brand-green/30 rounded-2xl p-8 text-center max-w-xl mx-auto">
        <CheckCircle2 className="w-10 h-10 text-brand-green mx-auto mb-3" />
        <h3 className="text-xl font-bold text-brand-grey-dark mb-2">
          {isDe ? "Nachricht gesendet!" : "Message sent!"}
        </h3>
        <p className="text-brand-grey">
          {isDe
            ? "Danke für Ihre Anfrage. Wir melden uns so schnell wie möglich bei Ihnen."
            : "Thank you for reaching out. We'll get back to you as soon as possible."}
        </p>
      </div>
    );
  }

  return (
    <div className="bg-white border-2 border-brand-grey-soft rounded-2xl p-8 max-w-xl mx-auto">
      <div className="flex items-center gap-3 mb-2">
        <Mail className="w-6 h-6 text-brand-green" />
        <h3 className="text-xl font-bold text-brand-grey-dark">
          {isDe ? "Kein passendes Apartment gefunden?" : "Can't find what you're looking for?"}
        </h3>
      </div>
      <p className="text-brand-grey mb-6">
        {isDe
          ? "Schreiben Sie uns kurz Ihre Wunschtermine und Anforderungen — wir melden uns persönlich bei Ihnen, auch für individuelle Anfragen oder Wartelisten."
          : "Tell us your preferred dates and requirements — we'll get back to you personally, including for custom requests or waitlists."}
      </p>
      <form onSubmit={handleSubmit} className="space-y-4">
        <div>
          <label className="block text-sm font-medium text-brand-grey-dark mb-1">
            {isDe ? "E-Mail" : "Email"}
          </label>
          <input
            type="email"
            required
            value={email}
            onChange={(e) => setEmail(e.target.value)}
            className="w-full px-4 py-3 rounded-xl border border-brand-grey-soft focus:border-brand-green focus:ring-1 focus:ring-brand-green outline-none"
          />
        </div>
        <div>
          <label className="block text-sm font-medium text-brand-grey-dark mb-1">
            {isDe ? "Ihre Nachricht" : "Your message"}
          </label>
          <textarea
            required
            rows={5}
            value={message}
            onChange={(e) => setMessage(e.target.value)}
            placeholder={
              isDe
                ? "z.B. gewünschter Zeitraum, Anzahl Personen, besondere Wünsche..."
                : "e.g. preferred dates, number of guests, special requests..."
            }
            className="w-full px-4 py-3 rounded-xl border border-brand-grey-soft focus:border-brand-green focus:ring-1 focus:ring-brand-green outline-none"
          />
        </div>

        {error && (
          <div className="bg-red-50 text-red-600 rounded-lg p-3 text-sm">{error}</div>
        )}

        <button
          type="submit"
          disabled={loading}
          className="inline-flex items-center justify-center gap-2 w-full bg-brand-green text-white font-semibold px-8 py-4 rounded-full hover:bg-brand-green-dark transition-colors disabled:opacity-50"
        >
          {loading ? (isDe ? "Wird gesendet..." : "Sending...") : isDe ? "Nachricht senden" : "Send message"}
          <Send className="w-4 h-4" />
        </button>
      </form>
    </div>
  );
}