"use client";

import { useState, useEffect } from "react";
import { FiCalendar, FiMapPin } from "react-icons/fi";
import Link from "next/link";
import { useRouter } from "next/navigation";

interface NewBookingFormProps {
  locations: any[];
  user: any;
}

export default function NewBookingForm({
  locations,
  user,
}: NewBookingFormProps) {
  const router = useRouter();
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState("");
  const [equipmentList, setEquipmentList] = useState<any[]>([]);
  const [selectedEquipment, setSelectedEquipment] = useState<string[]>([]);

  useEffect(() => {
    fetch("/api/equipment")
      .then((res) => res.json())
      .then((data) => setEquipmentList(data.equipment || []))
      .catch(() => {});
  }, []);

  const toggleEquipment = (id: string) => {
    setSelectedEquipment((prev) =>
      prev.includes(id) ? prev.filter((e) => e !== id) : [...prev, id]
    );
  };

  const [formData, setFormData] = useState({
    locationId: "",
    model: "VINTAGE_SMILE",
    customerName: "",
    customerEmail: "",
    customerPhone: "",
    customerAddress: "",
    customerCity: "",
    customerZip: "",
    invoiceType: "PRIVATE",
    companyName: "",
    eventDate: "",
    eventAddress: "",
    eventCity: "",
    eventZip: "",
    eventLocation: "",
    setupTimeStart: "",
    setupTimeLatest: "",
    dismantleTimeEarliest: "",
    dismantleTimeLatest: "",
    calculatedPrice: 0,
    notes: "",
  });

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setLoading(true);
    setError("");

    try {
      const res = await fetch("/api/bookings/create", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ ...formData, equipmentIds: selectedEquipment }),
      });

      const data = await res.json();

      if (!res.ok) {
        throw new Error(data.error || "Fehler beim Erstellen");
      }

      alert("Buchung erfolgreich erstellt!");
      router.push(`/dashboard/bookings/${data.booking.id}`);
    } catch (err: any) {
      setError(err.message);
      setLoading(false);
    }
  };

  return (
    <div className="max-w-4xl mx-auto">
      <div className="mb-8">
        <Link
          href="/dashboard/bookings"
          className="text-sm text-gray-400 hover:text-gray-300 mb-2 inline-block transition-colors"
        >
          ← Zurück zu Buchungen
        </Link>
        <h2 className="text-3xl font-bold text-white">
          Neue Buchung erstellen
        </h2>
        <p className="text-gray-400 mt-1">Manuelle Buchung anlegen</p>
      </div>

      <form
        onSubmit={handleSubmit}
        className="bg-gradient-to-br from-gray-800 to-gray-900 border border-gray-700 rounded-xl shadow-sm p-6 space-y-6"
      >
        <div>
          <h3 className="text-lg font-semibold text-white mb-4">
            Standort & Fotobox
          </h3>
          <div className="grid grid-cols-2 gap-4">
            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Standort
              </label>
              <select
                value={formData.locationId}
                onChange={(e) =>
                  setFormData({ ...formData, locationId: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              >
                <option value="">Bitte wählen...</option>
                {locations.map((loc) => (
                  <option key={loc.id} value={loc.id}>
                    {loc.name}
                  </option>
                ))}
              </select>
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Modell
              </label>
              <select
                value={formData.model}
                onChange={(e) =>
                  setFormData({ ...formData, model: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              >
                <option value="VINTAGE">Vintage</option>
                <option value="VINTAGE_SMILE">Vintage Smile</option>
                <option value="VINTAGE_PHOTOS">Vintage Photos</option>
                <option value="NOSTALGIE">Nostalgie</option>
                <option value="MAGIC_MIRROR">Magic Mirror</option>
              </select>
            </div>
          </div>

          {equipmentList.length > 0 && (
            <div className="mt-4">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Zusatzausstattung
              </label>
              <div className="grid grid-cols-2 gap-2">
                {equipmentList.map((eq) => (
                  <label
                    key={eq.id}
                    className={`flex items-center gap-2 p-3 rounded-lg border cursor-pointer transition-colors ${
                      selectedEquipment.includes(eq.id)
                        ? "bg-red-500/10 border-red-500/50 text-white"
                        : "bg-gray-700/50 border-gray-600 text-gray-300 hover:border-gray-500"
                    }`}
                  >
                    <input
                      type="checkbox"
                      checked={selectedEquipment.includes(eq.id)}
                      onChange={() => toggleEquipment(eq.id)}
                      className="accent-red-500"
                    />
                    {eq.name}
                  </label>
                ))}
              </div>
            </div>
          )}
        </div>

        <div>
          <h3 className="text-lg font-semibold text-white mb-4">Kundendaten</h3>
          <div className="grid grid-cols-2 gap-4">
            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Rechnungsart
              </label>
              <div className="flex gap-4">
                <label className="flex items-center text-white">
                  <input
                    type="radio"
                    value="PRIVATE"
                    checked={formData.invoiceType === "PRIVATE"}
                    onChange={(e) =>
                      setFormData({ ...formData, invoiceType: e.target.value })
                    }
                    className="mr-2"
                  />
                  Privat
                </label>
                <label className="flex items-center text-white">
                  <input
                    type="radio"
                    value="BUSINESS"
                    checked={formData.invoiceType === "BUSINESS"}
                    onChange={(e) =>
                      setFormData({ ...formData, invoiceType: e.target.value })
                    }
                    className="mr-2"
                  />
                  Geschäftlich
                </label>
              </div>
            </div>

            {formData.invoiceType === "BUSINESS" && (
              <div className="col-span-2">
                <label className="block text-sm font-medium text-gray-300 mb-2">
                  Firmenname
                </label>
                <input
                  type="text"
                  value={formData.companyName}
                  onChange={(e) =>
                    setFormData({ ...formData, companyName: e.target.value })
                  }
                  className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
                />
              </div>
            )}

            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Name
              </label>
              <input
                type="text"
                value={formData.customerName}
                onChange={(e) =>
                  setFormData({ ...formData, customerName: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                E-Mail
              </label>
              <input
                type="email"
                value={formData.customerEmail}
                onChange={(e) =>
                  setFormData({ ...formData, customerEmail: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Telefon
              </label>
              <input
                type="tel"
                value={formData.customerPhone}
                onChange={(e) =>
                  setFormData({ ...formData, customerPhone: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Adresse
              </label>
              <input
                type="text"
                value={formData.customerAddress}
                onChange={(e) =>
                  setFormData({ ...formData, customerAddress: e.target.value })
                }
                placeholder="Straße und Hausnummer"
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent placeholder-gray-500"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                PLZ
              </label>
              <input
                type="text"
                value={formData.customerZip}
                onChange={(e) =>
                  setFormData({ ...formData, customerZip: e.target.value })
                }
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Stadt
              </label>
              <input
                type="text"
                value={formData.customerCity}
                onChange={(e) =>
                  setFormData({ ...formData, customerCity: e.target.value })
                }
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>
          </div>
        </div>

        <div>
          <h3 className="text-lg font-semibold text-white mb-4">
            Event-Details
          </h3>
          <div className="grid grid-cols-2 gap-4">
            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Event-Datum
              </label>
              <input
                type="date"
                value={formData.eventDate}
                onChange={(e) =>
                  setFormData({ ...formData, eventDate: e.target.value })
                }
                required
                min={new Date().toISOString().split("T")[0]}
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Preis (€)
              </label>
              <input
                type="number"
                value={formData.calculatedPrice}
                onChange={(e) =>
                  setFormData({
                    ...formData,
                    calculatedPrice: parseFloat(e.target.value),
                  })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Event-Adresse
              </label>
              <input
                type="text"
                value={formData.eventAddress}
                onChange={(e) =>
                  setFormData({ ...formData, eventAddress: e.target.value })
                }
                required
                placeholder="Straße und Hausnummer"
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent placeholder-gray-500"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                PLZ
              </label>
              <input
                type="text"
                value={formData.eventZip}
                onChange={(e) =>
                  setFormData({ ...formData, eventZip: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Stadt
              </label>
              <input
                type="text"
                value={formData.eventCity}
                onChange={(e) =>
                  setFormData({ ...formData, eventCity: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Location-Name (optional)
              </label>
              <input
                type="text"
                value={formData.eventLocation}
                onChange={(e) =>
                  setFormData({ ...formData, eventLocation: e.target.value })
                }
                placeholder="z.B. Hotel Maritim"
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent placeholder-gray-500"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Aufbau ab
              </label>
              <input
                type="datetime-local"
                value={formData.setupTimeStart}
                onChange={(e) =>
                  setFormData({ ...formData, setupTimeStart: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Aufbau spätestens
              </label>
              <input
                type="datetime-local"
                value={formData.setupTimeLatest}
                onChange={(e) =>
                  setFormData({ ...formData, setupTimeLatest: e.target.value })
                }
                required
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Abbau ab
              </label>
              <input
                type="datetime-local"
                value={formData.dismantleTimeEarliest}
                onChange={(e) =>
                  setFormData({ ...formData, dismantleTimeEarliest: e.target.value })
                }
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div>
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Abbau spätestens
              </label>
              <input
                type="datetime-local"
                value={formData.dismantleTimeLatest}
                onChange={(e) =>
                  setFormData({ ...formData, dismantleTimeLatest: e.target.value })
                }
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>

            <div className="col-span-2">
              <label className="block text-sm font-medium text-gray-300 mb-2">
                Notizen (optional)
              </label>
              <textarea
                value={formData.notes}
                onChange={(e) =>
                  setFormData({ ...formData, notes: e.target.value })
                }
                rows={4}
                className="w-full px-4 py-2 bg-gray-700 border border-gray-600 text-white rounded-lg focus:ring-2 focus:ring-red-500 focus:border-transparent"
              />
            </div>
          </div>
        </div>

        {error && (
          <div className="bg-red-500/20 border border-red-500/50 text-red-400 px-4 py-3 rounded-lg">
            {error}
          </div>
        )}

        <div className="flex gap-4 pt-4 border-t border-gray-700">
          <Link
            href="/dashboard/bookings"
            className="flex-1 px-4 py-3 bg-gray-700 text-gray-300 rounded-lg font-semibold text-center hover:bg-gray-600 transition-colors"
          >
            Abbrechen
          </Link>
          <button
            type="submit"
            disabled={loading}
            className="flex-1 px-4 py-3 bg-gradient-to-r from-red-600 to-pink-600 text-white rounded-lg font-semibold hover:from-red-700 hover:to-pink-700 transition-all shadow-lg disabled:opacity-50"
          >
            {loading ? "Wird erstellt..." : "Buchung erstellen"}
          </button>
        </div>
      </form>
    </div>
  );
}