import React, { useState, useEffect } from 'react'
import { FaTimes, FaSave, FaCreditCard, FaStar } from 'react-icons/fa'
import { SupplierCardTypeEnum, SupplierTypeEnum } from '../../../types/mm'
import { mockBusinessPartyNew } from '../../../mocks/mockBusinessParties'
import { BusinessParty, PartyType, PaymentTerms } from '../../../types/common'
import { getPaymentTermsText, getSupplierCardTypeText } from '@/utils/erp'

interface SupplierCardModalProps {
  isOpen: boolean
  onClose: () => void
  onSave: (supplierCard: BusinessParty) => void
  supplierCard?: BusinessParty | null
  mode: 'create' | 'view' | 'edit'
}

const SupplierCardModal: React.FC<SupplierCardModalProps> = ({
  isOpen,
  onClose,
  onSave,
  supplierCard,
  mode,
}) => {
  const [formData, setFormData] = useState<Partial<BusinessParty>>(mockBusinessPartyNew)

  useEffect(() => {
    if (mode === 'create') {
      setFormData(mockBusinessPartyNew)
    } else if (supplierCard) {
      setFormData(supplierCard)
    }
  }, [supplierCard, mode])

  const handleInputChange = (
    e: React.ChangeEvent<HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement>,
  ) => {
    const { name, value, type } = e.target
    setFormData((prev) => ({
      ...prev,
      [name]:
        type === 'number'
          ? parseFloat(value) || 0
          : type === 'checkbox'
            ? (e.target as HTMLInputElement).checked
            : value,
    }))
  }

  const handleSpecialConditionsChange = (value: string) => {
    const conditions = value.split('\n').filter((condition) => condition.trim() !== '')
    setFormData((prev) => ({
      ...prev,
      specialConditions: conditions,
    }))
  }

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault()
    if (mode !== 'view') {
      const newSupplierCard: BusinessParty = {
        id: supplierCard?.id || `SC-${Date.now()}`,
        code: formData.code || '',
        cardNumber:
          formData.cardNumber ||
          `SC-${new Date().getFullYear()}-${Date.now().toString().slice(-3)}`,
        cardType: formData.cardType || SupplierCardTypeEnum.Standard,
        validFrom: formData.validFrom || new Date(),
        validTo: formData.validTo,
        creditLimit: formData.creditLimit || 0,
        currentBalance: formData.currentBalance || 0,
        paymentTerms: formData.paymentTerms || PaymentTerms.Net30,
        discountRate: formData.discountRate,
        specialConditions: formData.specialConditions || [],
        isActive: formData.isActive ?? true,
        lastOrderDate: formData.lastOrderDate,
        performanceMetrics: formData.performanceMetrics || {
          deliveryPerformance: 0,
          qualityRating: 0,
          priceCompetitiveness: 0,
          responsiveness: 0,
          complianceRating: 0,
          overallScore: 0,
          lastEvaluationDate: new Date(),
        },
        creationTime: supplierCard?.creationTime || new Date(),
        lastModificationTime: new Date(),
        supplierType: SupplierTypeEnum.Distributor,
        name: '',
        currency: '',
        certifications: [],
        bankAccounts: [],
        contacts: [],
        partyType: PartyType.Supplier,
      }
      onSave(newSupplierCard)
    }
    onClose()
  }

  if (!isOpen) return null

  const isReadOnly = mode === 'view'
  const modalTitle =
    mode === 'create'
      ? 'Yeni Tedarikçi Kartı'
      : mode === 'edit'
        ? 'Tedarikçi Kartını Düzenle'
        : 'Tedarikçi Kartı Detayları'

  return (
    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
      <div className="bg-white rounded-lg w-full max-w-3xl max-h-[90vh] overflow-y-auto">
        <div className="flex items-center justify-between p-4 border-b">
          <h3 className="text-base font-semibold text-gray-900 flex items-center">
            <FaCreditCard className="mr-2 text-blue-600" />
            {modalTitle}
          </h3>
          <button onClick={onClose} className="p-1 text-gray-400 hover:text-gray-600">
            <FaTimes />
          </button>
        </div>

        <form onSubmit={handleSubmit} className="p-4">
          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
            {/* Temel Bilgiler */}
            <div className="space-y-3">
              <h4 className="text-sm font-medium text-gray-900 border-b pb-1.5">Temel Bilgiler</h4>

              <div>
                <label className="block text-sm font-medium text-gray-700">Tedarikçi</label>
                <input
                  type="text"
                  name="customerCode"
                  value={formData.code || ''}
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                  required
                />
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">Kart Numarası</label>
                <input
                  type="text"
                  name="cardNumber"
                  value={formData.cardNumber || ''}
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">Kart Tipi</label>
                <select
                  name="cardType"
                  value={formData.cardType || SupplierCardTypeEnum.Standard}
                  onChange={handleInputChange}
                  disabled={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                >
                  {Object.values(SupplierCardTypeEnum).map((type) => (
                    <option key={type} value={type}>
                      {getSupplierCardTypeText(type)}
                    </option>
                  ))}
                </select>
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">
                  Geçerlilik Başlangıcı
                </label>
                <input
                  type="date"
                  name="validFrom"
                  value={
                    formData.validFrom
                      ? new Date(formData.validFrom).toISOString().split('T')[0]
                      : ''
                  }
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">Geçerlilik Bitişi</label>
                <input
                  type="date"
                  name="validTo"
                  value={
                    formData.validTo ? new Date(formData.validTo).toISOString().split('T')[0] : ''
                  }
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>
            </div>

            {/* Mali Bilgiler */}
            <div className="space-y-3">
              <h4 className="text-sm font-medium text-gray-900 border-b pb-1.5">Mali Bilgiler</h4>

              <div>
                <label className="block text-sm font-medium text-gray-700">Kredi Limiti (TL)</label>
                <input
                  type="number"
                  name="creditLimit"
                  value={formData.creditLimit || 0}
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">
                  Mevcut Bakiye (TL)
                </label>
                <input
                  type="number"
                  name="currentBalance"
                  value={formData.currentBalance || 0}
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">Ödeme Koşulları</label>
                <select
                  name="paymentTerms"
                  value={formData.paymentTerms || PaymentTerms.Net30}
                  onChange={handleInputChange}
                  disabled={isReadOnly}
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                >
                  {Object.values(PaymentTerms).map((term) => (
                    <option key={term} value={term}>
                      {getPaymentTermsText(term)}
                    </option>
                  ))}
                </select>
              </div>

              <div>
                <label className="block text-sm font-medium text-gray-700">İndirim Oranı (%)</label>
                <input
                  type="number"
                  name="discountRate"
                  value={formData.discountRate || 0}
                  onChange={handleInputChange}
                  readOnly={isReadOnly}
                  min="0"
                  max="100"
                  step="0.1"
                  className="mt-1 block w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="flex items-center">
                  <input
                    type="checkbox"
                    name="isActive"
                    checked={formData.isActive || false}
                    onChange={handleInputChange}
                    disabled={isReadOnly}
                    className="mr-2"
                  />
                  <span className="text-sm font-medium text-gray-700">Aktif</span>
                </label>
              </div>
            </div>
          </div>

          {/* Özel Koşullar */}
          <div className="mt-4">
            <h4 className="text-sm font-medium text-gray-900 border-b pb-1.5 mb-2">
              Özel Koşullar
            </h4>
            <textarea
              name="specialConditions"
              value={formData.specialConditions?.join('\n') || ''}
              onChange={(e) => handleSpecialConditionsChange(e.target.value)}
              readOnly={isReadOnly}
              rows={3}
              placeholder="Her satıra bir özel koşul yazın..."
              className="w-full border border-gray-300 rounded-md px-2.5 py-1.5 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"
            />
          </div>

          {/* Performans Metrikleri - Sadece görüntüleme modu */}
          {mode === 'view' && formData.performanceMetrics && (
            <div className="mt-4">
              <h4 className="text-sm font-medium text-gray-900 border-b pb-1.5 mb-3 flex items-center">
                <FaStar className="mr-2 text-yellow-500" />
                Performans Metrikleri
              </h4>
              <div className="grid grid-cols-2 md:grid-cols-3 gap-3">
                <div className="text-center">
                  <div className="text-2xl font-bold text-blue-600">
                    {formData.performanceMetrics.deliveryPerformance}%
                  </div>
                  <div className="text-sm text-gray-600">Teslimat Performansı</div>
                </div>
                <div className="text-center">
                  <div className="text-2xl font-bold text-green-600">
                    {formData.performanceMetrics.qualityRating}%
                  </div>
                  <div className="text-sm text-gray-600">Kalite Değerlendirmesi</div>
                </div>
                <div className="text-center">
                  <div className="text-2xl font-bold text-purple-600">
                    {formData.performanceMetrics.priceCompetitiveness}%
                  </div>
                  <div className="text-sm text-gray-600">Fiyat Rekabeti</div>
                </div>
                <div className="text-center">
                  <div className="text-2xl font-bold text-indigo-600">
                    {formData.performanceMetrics.responsiveness}%
                  </div>
                  <div className="text-sm text-gray-600">Yanıt Hızı</div>
                </div>
                <div className="text-center">
                  <div className="text-2xl font-bold text-red-600">
                    {formData.performanceMetrics.complianceRating}%
                  </div>
                  <div className="text-sm text-gray-600">Uyum Derecesi</div>
                </div>
                <div className="text-center">
                  <div className="text-2xl font-bold text-yellow-600">
                    {formData.performanceMetrics.overallScore}%
                  </div>
                  <div className="text-sm text-gray-600">Genel Puan</div>
                </div>
              </div>
            </div>
          )}

          {/* Action Buttons */}
          <div className="flex justify-end space-x-2 mt-4 pt-3 border-t">
            <button
              type="button"
              onClick={onClose}
              className="px-3 py-1.5 border border-gray-300 rounded-md text-sm text-gray-700 hover:bg-gray-50"
            >
              {mode === 'view' ? 'Kapat' : 'İptal'}
            </button>
            {mode !== 'view' && (
              <button
                type="submit"
                className="px-3 py-1.5 bg-blue-600 text-white rounded-md text-sm hover:bg-blue-700 flex items-center"
              >
                <FaSave className="mr-2" />
                Kaydet
              </button>
            )}
          </div>
        </form>
      </div>
    </div>
  )
}

export default SupplierCardModal