import { Nav } from 'react-bootstrap';
import { Link, Element } from 'react-scroll';
import React, { useEffect, useState } from 'react';

// sidenavbar begin
interface SideNavbarProps {
  activeLink: string;
  onLinkClick: (section: string) => void;
}
const SideNavbar: React.FC<SideNavbarProps> = ({ activeLink, onLinkClick }) => {
  return (
    <div className="side-navbar">
      <Nav className="flex-column">
        <Nav.Link 
          as={Link} 
          to="section1" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section1' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section1')}
        >
          Section 1
        </Nav.Link>
        <Nav.Link 
          as={Link} 
          to="section2" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section2' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section2')}
        >
          Section 2
        </Nav.Link>
        {/* 添加更多导航链接 */}

  
        <Nav.Link 
          as={Link} 
          to="section3" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section3' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section3')}
        >
          Section 3
        </Nav.Link>
  
        <Nav.Link 
          as={Link} 
          to="section4" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section4' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section4')}
        >
          Section 4
        </Nav.Link>

        <Nav.Link 
          as={Link} 
          to="section5" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section5' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section5')}
        >
          Section 5
        </Nav.Link>
  
        <Nav.Link 
          as={Link} 
          to="section6" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section6' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section6')}
        >
          Section 6
        </Nav.Link>
   
        <Nav.Link 
          as={Link} 
          to="section7" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section7' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section7')}
        >
          Section 7
        </Nav.Link>
 
        <Nav.Link 
          as={Link} 
          to="section8" 
          smooth={true} 
          duration={500} 
          className={activeLink === 'section8' ? 'active' : 'notActive'}
          onClick={() => onLinkClick('section8')}
        >
          Section 8
        </Nav.Link>
      </Nav>
    </div>
  );
};
// sidenavbar end 

export function Experiments() {
  // sidenavbar begin
  const [activeLink, setActiveLink] = useState<string>('section1');
  const [visibleSection, setVisibleSection] = useState<string>('section1');

  useEffect(() => {
    const handleScroll = () => {
      const sections = document.querySelectorAll('.element');
      let currentSection = '';
      sections.forEach(section => {
        const sectionTop = section.getBoundingClientRect().top;
        if (sectionTop <= window.innerHeight / 2 && sectionTop > -section.clientHeight) {
          currentSection = section.id;
        }
      });
      setActiveLink(currentSection);
    };
    window.addEventListener('scroll', handleScroll);
    return () => window.removeEventListener('scroll', handleScroll);
  }, []);
  // sidenavbar end

  const handleMouseEnter = (section: string) => {
    setVisibleSection(section);
  };

  const handleLinkClick = (section: string) => {
    setVisibleSection(section);
  };

  return (
    <>
      <div className="custom-header-experiments">
        <h1 className="centered-title">
          <img 
            src="https://static.igem.wiki/teams/5378/header/experiment.png"
            alt="safety header"
            className="header-img"
          />
          <img 
            src="https://static.igem.wiki/teams/5378/header/header-bar.webp"
            alt="safety header"
            className="header-bar"
          />
        </h1>
      </div>

      <div className="row bg-rice_yellow">
        <div className="col-2">
          <SideNavbar activeLink={activeLink} onLinkClick={handleLinkClick} />
        </div>
        
        <div className="col-10">
        <Element 
            name="section1" 
            className="element rounded-border" 
            id='section1' 
            onMouseEnter={() => handleMouseEnter('section1')}
            style={{ display: visibleSection === 'section1' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>
       
          
          <Element 
            name="section2" 
            className="element rounded-border" 
            id='section2' 
            onMouseEnter={() => handleMouseEnter('section2')}
            style={{ display: visibleSection === 'section2' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>




          <Element 
            name="section3" 
            className="element rounded-border" 
            id='section3' 
            onMouseEnter={() => handleMouseEnter('section3')}
            style={{ display: visibleSection === 'section3' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>


          <Element 
            name="section4" 
            className="element rounded-border" 
            id='section4' 
            onMouseEnter={() => handleMouseEnter('section4')}
            style={{ display: visibleSection === 'section4' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>



          <Element 
            name="section5" 
            className="element rounded-border" 
            id='section5' 
            onMouseEnter={() => handleMouseEnter('section5')}
            style={{ display: visibleSection === 'section5' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>


          <Element 
            name="section6" 
            className="element rounded-border" 
            id='section6' 
            onMouseEnter={() => handleMouseEnter('section6')}
            style={{ display: visibleSection === 'section6' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>



          <Element 
            name="section7" 
            className="element rounded-border" 
            id='section7' 
            onMouseEnter={() => handleMouseEnter('section7')}
            style={{ display: visibleSection === 'section7' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>



          <Element 
            name="section8" 
            className="element rounded-border" 
            id='section8' 
            onMouseEnter={() => handleMouseEnter('section8')}
            style={{ display: visibleSection === 'section8' ? 'block' : 'none' }}
          >
            <h2>Section 2</h2>
            <p>Content for section 2.</p>
            <div className="rounded-border">
              <h4 className="center-text">Section 2</h4>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
              <p className="indent">las ijffs aiskfd fskj iiwls asd.aass ffas awssd awus iisal fask.aisisad ksjdfkaf iwjasifjakdshf wijdfalksjf wiksjkfjksalhf, gsahfjhgejkfh  uhaejkfh sjdihgfuqiw jh sjiafhjsaj fh asd.</p>
            </div>
          </Element>




          



         
        </div>
        <div className="col-1"></div>
      </div>
    </>
  );
}