'use client'

import { useState } from 'react'
import { bikeSchema } from '@/lib/validations'

interface BikeFormProps {
  onSuccess: () => void
  onCancel: () => void
}

export default function BikeForm({ onSuccess, onCancel }: BikeFormProps) {
  const [formData, setFormData] = useState({
    name: '',
    brand: '',
    model: '',
    purchaseDate: '',
    currentMileage: 0,
    notes: '',
  })
  const [errors, setErrors] = useState<Record<string, string>>({})
  const [isSubmitting, setIsSubmitting] = useState(false)

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault()
    setErrors({})
    setIsSubmitting(true)

    try {
      const validatedData = bikeSchema.parse({
        ...formData,
        purchaseDate: formData.purchaseDate || undefined,
      })

      const response = await fetch('/api/bikes', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(validatedData),
      })

      if (response.ok) {
        onSuccess()
        setFormData({
          name: '',
          brand: '',
          model: '',
          purchaseDate: '',
          currentMileage: 0,
          notes: '',
        })
      } else {
        const errorData = await response.json()
        if (errorData.details) {
          const zodErrors: Record<string, string> = {}
          errorData.details.errors?.forEach((err: any) => {
            if (err.path) {
              zodErrors[err.path[0]] = err.message
            }
          })
          setErrors(zodErrors)
        } else {
          alert('Fehler beim Erstellen des Fahrrads')
        }
      }
    } catch (error: any) {
      if (error.errors) {
        const zodErrors: Record<string, string> = {}
        error.errors.forEach((err: any) => {
          if (err.path) {
            zodErrors[err.path[0]] = err.message
          }
        })
        setErrors(zodErrors)
      } else {
        console.error('Error creating bike:', error)
        alert('Fehler beim Erstellen des Fahrrads')
      }
    } finally {
      setIsSubmitting(false)
    }
  }

  return (
    <div className="bg-white rounded-lg shadow-md p-6">
      <h2 className="text-2xl font-semibold mb-4">Neues Fahrrad hinzufügen</h2>
      <form onSubmit={handleSubmit} className="space-y-4">
        <div>
          <label className="block text-sm font-medium text-gray-700 mb-1">
            Name *
          </label>
          <input
            type="text"
            value={formData.name}
            onChange={(e) =>
              setFormData({ ...formData, name: e.target.value })
            }
            className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
            required
          />
          {errors.name && (
            <p className="text-red-600 text-sm mt-1">{errors.name}</p>
          )}
        </div>

        <div className="grid grid-cols-2 gap-4">
          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Marke
            </label>
            <input
              type="text"
              value={formData.brand}
              onChange={(e) =>
                setFormData({ ...formData, brand: e.target.value })
              }
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
            />
          </div>

          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Modell
            </label>
            <input
              type="text"
              value={formData.model}
              onChange={(e) =>
                setFormData({ ...formData, model: e.target.value })
              }
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
            />
          </div>
        </div>

        <div className="grid grid-cols-2 gap-4">
          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Kaufdatum
            </label>
            <input
              type="date"
              value={formData.purchaseDate}
              onChange={(e) =>
                setFormData({ ...formData, purchaseDate: e.target.value })
              }
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
            />
          </div>

          <div>
            <label className="block text-sm font-medium text-gray-700 mb-1">
              Aktueller Kilometerstand (km)
            </label>
            <input
              type="number"
              value={formData.currentMileage}
              onChange={(e) =>
                setFormData({
                  ...formData,
                  currentMileage: Number(e.target.value) || 0,
                })
              }
              min="0"
              className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
            />
          </div>
        </div>

        <div>
          <label className="block text-sm font-medium text-gray-700 mb-1">
            Notizen
          </label>
          <textarea
            value={formData.notes}
            onChange={(e) =>
              setFormData({ ...formData, notes: e.target.value })
            }
            rows={3}
            className="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent text-black"
          />
        </div>

        <div className="flex gap-2">
          <button
            type="submit"
            disabled={isSubmitting}
            className="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition-colors disabled:opacity-50"
          >
            {isSubmitting ? 'Erstellen...' : 'Erstellen'}
          </button>
          <button
            type="button"
            onClick={onCancel}
            className="px-6 py-2 bg-gray-300 text-gray-700 rounded-lg hover:bg-gray-400 transition-colors"
          >
            Abbrechen
          </button>
        </div>
      </form>
    </div>
  )
}