import React, { useState } from 'react';
import { MajorProject } from "@/data/project";
import IndicatorDots from "@/components/common/IndicatorDots";

interface CommonModalProps {
    isOpen: boolean;
    onClose: () => void;
    item: MajorProject | null;
}

export const ProjectModal: React.FC<CommonModalProps> = ({ isOpen, onClose, item }) => {
    const [currentIndex, setCurrentIndex] = useState(0);

    if (!isOpen || !item) return null;

    const images = item.subImgUrl ?? [];

    const handlePrev = () => {
        if (images.length === 0) return;
        setCurrentIndex((prev) => (prev === 0 ? images.length - 1 : prev - 1));
    };

    const handleNext = () => {
        if (images.length === 0) return;
        setCurrentIndex((prev) => (prev === images.length - 1 ? 0 : prev + 1));
    };

    return (
      <div
        className="fixed inset-0 z-50 flex items-center justify-center bg-black/70 backdrop-blur-sm"
        onClick={onClose}
      >
          <div
            className="relative bg-white w-[1222px] h-[901px] p-10 rounded-lg overflow-hidden"
            onClick={(e) => e.stopPropagation()}
          >
              {/* 닫기 버튼 */}
              <button
                className="absolute top-6 right-6 text-black text-2xl font-light cursor-pointer"
                onClick={onClose}
              >
                  ×
              </button>

              {/* 제목 및 정보 */}
              <div className="mb-6">
                  <h2 className="text-4xl font-extrabold mb-2">{item.title}</h2>
                  <div className="text-base font-light space-y-1">
                      <p>발주처 : {item.client}</p>
                      <p>계약금액 : {item.contractAmount}</p>
                      <p>공사기간 : {item.period}</p>
                  </div>
              </div>

              {/* 이미지 및 컨트롤 */}
              <div className="relative w-full h-[578px] flex justify-center items-center">
                  {images.length > 0 && (
                    <img
                      src={images[currentIndex]}
                      alt={`image-${currentIndex}`}
                      className="rounded max-h-full object-contain"
                    />
                  )}
                  <button
                    onClick={handlePrev}
                    className="absolute left-4 top-1/2 -translate-y-1/2 bg-gray-300/75 w-14 h-14 text-2xl cursor-pointer"
                  >
                      {'<'}
                  </button>
                  <button
                    onClick={handleNext}
                    className="absolute right-4 top-1/2 -translate-y-1/2 bg-gray-300/75 w-14 h-14 text-2xl cursor-pointer"
                  >
                      {'>'}
                  </button>
              </div>

              {/* 페이지 인디케이터 */}
              <div className="flex justify-center gap-2 mt-4">
                  <IndicatorDots
                    count={images.length}
                    activeIndex={currentIndex}
                    onClick={(index) => setCurrentIndex(index)}
                    activeColorClass="bg-blue-900"
                    inactiveColorClass="bg-blue-900/20"
                  />
              </div>
          </div>
      </div>
    );
};