import React, { useState, useEffect } from "react";
import { FaSave, FaTimes } from "react-icons/fa";
import { HrCostCenter, CostCenterType } from "../../../types/hr";
import { mockEmployees } from "../../../mocks/mockEmployees";
import { mockCostCenters } from "../../../mocks/mockCostCenters";
import { getCostCenterTypeText } from "../../../utils/erp";

interface CostCenterFormModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSave: (costCenter: Partial<HrCostCenter>) => void;
  costCenter?: HrCostCenter;
  title: string;
}

const CostCenterFormModal: React.FC<CostCenterFormModalProps> = ({
  isOpen,
  onClose,
  onSave,
  costCenter,
  title,
}) => {
  const [formData, setFormData] = useState({
    costCenterCode: "",
    name: "",
    description: "",
    costCenterType: CostCenterType.Standard,
    responsibleEmployeeId: "",
    parentCostCenterId: "",
    budgetedAmount: 0,
    actualAmount: 0,
    currency: "TRY",
    fiscalYear: "2025",
    isActive: true,
  });

  useEffect(() => {
    if (costCenter) {
      setFormData({
        costCenterCode: costCenter.code,
        name: costCenter.name,
        description: costCenter.description || "",
        costCenterType: costCenter.costCenterType,
        responsibleEmployeeId: costCenter.responsibleEmployeeId || "",
        parentCostCenterId: costCenter.parentCostCenterId || "",
        budgetedAmount: costCenter.budgetedAmount,
        actualAmount: costCenter.actualAmount,
        currency: costCenter.currency,
        fiscalYear: costCenter.fiscalYear,
        isActive: costCenter.isActive,
      });
    } else {
      setFormData({
        costCenterCode: "",
        name: "",
        description: "",
        costCenterType: CostCenterType.Standard,
        responsibleEmployeeId: "",
        parentCostCenterId: "",
        budgetedAmount: 0,
        actualAmount: 0,
        currency: "TRY",
        fiscalYear: "2025",
        isActive: true,
      });
    }
  }, [costCenter]);

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    onSave(formData);
  };

  return (
    isOpen && (
      <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
        <div className="bg-white rounded-lg p-3 w-full max-w-lg max-h-[90vh] overflow-y-auto">
          <div className="flex items-center justify-between mb-3">
            <h2 className="text-base font-bold text-gray-900">{title}</h2>
            <button
              onClick={onClose}
              className="text-gray-400 hover:text-gray-600"
            >
              <FaTimes className="w-5 h-5" />
            </button>
          </div>

          <form onSubmit={handleSubmit} className="space-y-3">
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Maliyet Merkezi Kodu *
                </label>
                <input
                  type="text"
                  value={formData.costCenterCode}
                  onChange={(e) =>
                    setFormData({ ...formData, costCenterCode: e.target.value })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                  required
                />
              </div>

              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Maliyet Merkezi Adı *
                </label>
                <input
                  type="text"
                  value={formData.name}
                  onChange={(e) =>
                    setFormData({ ...formData, name: e.target.value })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                  required
                />
              </div>
            </div>

            <div>
              <label className="block text-xs font-medium text-gray-700 mb-1">
                Açıklama
              </label>
              <textarea
                value={formData.description}
                onChange={(e) =>
                  setFormData({ ...formData, description: e.target.value })
                }
                rows={2}
                className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
              />
            </div>

            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Maliyet Merkezi Tipi
                </label>
                <select
                  value={formData.costCenterType}
                  onChange={(e) =>
                    setFormData({
                      ...formData,
                      costCenterType: e.target.value as CostCenterType,
                    })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                >
                  {Object.values(CostCenterType).map((type) => (
                    <option key={type} value={type}>
                      {getCostCenterTypeText(type)}
                    </option>
                  ))}
                </select>
              </div>

              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Sorumlu Personel
                </label>
                <select
                  value={formData.responsibleEmployeeId}
                  onChange={(e) =>
                    setFormData({
                      ...formData,
                      responsibleEmployeeId: e.target.value,
                    })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                >
                  <option value="">Seçiniz</option>
                  {mockEmployees.map((employee) => (
                    <option key={employee.id} value={employee.id}>
                      {employee.fullName}
                    </option>
                  ))}
                </select>
              </div>
            </div>

            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Üst Maliyet Merkezi
                </label>
                <select
                  value={formData.parentCostCenterId}
                  onChange={(e) =>
                    setFormData({
                      ...formData,
                      parentCostCenterId: e.target.value,
                    })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                >
                  <option value="">Ana Maliyet Merkezi</option>
                  {mockCostCenters
                    .filter((cc) => cc.id !== costCenter?.id)
                    .map((costCenter) => (
                      <option key={costCenter.id} value={costCenter.id}>
                        {costCenter.name}
                      </option>
                    ))}
                </select>
              </div>

              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Mali Yıl
                </label>
                <input
                  type="text"
                  value={formData.fiscalYear}
                  onChange={(e) =>
                    setFormData({ ...formData, fiscalYear: e.target.value })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                />
              </div>
            </div>

            <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Bütçe Tutarı
                </label>
                <input
                  type="number"
                  value={formData.budgetedAmount}
                  onChange={(e) =>
                    setFormData({
                      ...formData,
                      budgetedAmount: parseFloat(e.target.value) || 0,
                    })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Gerçekleşen Tutar
                </label>
                <input
                  type="number"
                  value={formData.actualAmount}
                  onChange={(e) =>
                    setFormData({
                      ...formData,
                      actualAmount: parseFloat(e.target.value) || 0,
                    })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                />
              </div>

              <div>
                <label className="block text-xs font-medium text-gray-700 mb-1">
                  Para Birimi
                </label>
                <select
                  value={formData.currency}
                  onChange={(e) =>
                    setFormData({ ...formData, currency: e.target.value })
                  }
                  className="w-full px-2 py-1 text-sm border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500"
                >
                  <option value="TRY">TRY</option>
                  <option value="USD">USD</option>
                  <option value="EUR">EUR</option>
                </select>
              </div>
            </div>

            <div className="flex items-center">
              <input
                type="checkbox"
                checked={formData.isActive}
                onChange={(e) =>
                  setFormData({ ...formData, isActive: e.target.checked })
                }
                className="h-4 w-4 text-blue-600 focus:ring-blue-500 border-gray-300 rounded"
              />
              <label className="ml-2 block text-sm text-gray-900">Aktif</label>
            </div>

            <div className="flex justify-end gap-2 pt-3">
              <button
                type="button"
                onClick={onClose}
                className="px-3 py-1 border border-gray-300 rounded-md text-sm text-gray-700 hover:bg-gray-50"
              >
                İptal
              </button>
              <button
                type="submit"
                className="flex items-center gap-2 px-3 py-1.5 text-sm bg-blue-600 text-white rounded-md hover:bg-blue-700"
              >
                <FaSave className="w-4 h-4" />
                Kaydet
              </button>
            </div>
          </form>
        </div>
      </div>
    )
  );
};

export default CostCenterFormModal;