import React, { useState } from 'react'
import Link from 'next/link'
import { useRouter } from 'next/router'
import { FiChevronDown, FiInstagram, FiMapPin, FiMenu, FiPhone, FiX } from 'react-icons/fi'

const mainLinks = [
  { href: '/', label: 'صفحه اصلی' },
  { href: '/landing', label: 'معرفی بیمارستان' },
  { href: '/components/service', label: 'بخش‌های درمانی' },
  { href: '/Gallery', label: 'گالری' },
  { href: '/recruitment', label: 'استخدام و همکاری' },
]

const moreLinks = [
  { href: '/page/about', label: 'درباره ما' },
  { href: '/page/Directors', label: 'تیم پروژه' },
]

export default function Header() {
  const [menuOpen, setMenuOpen] = useState(false)
  const { pathname } = useRouter()
  const closeMenu = () => setMenuOpen(false)
  const moreIsActive = moreLinks.some(({ href }) => pathname === href)

  return (
    <header className='site-header' dir='rtl' onKeyDown={event => event.key === 'Escape' && closeMenu()}>
      <div className='topbar'>
        <div className='header-container topbar-inner'>
          <div className='topbar-location'>
            <FiMapPin aria-hidden='true' />
            <span>تهران، شهر جدید پرند، بلوار شهید قاسم سلیمانی، انتهای فاز ۵</span>
          </div>
          <div className='topbar-actions'>
            <a href='tel:02153457000' className='phone-link'>
              <FiPhone aria-hidden='true' />
              <span dir='ltr'>۰۲۱-۵۳۴۵۷۰۰۰</span>
            </a>
            <span className='topbar-divider' aria-hidden='true' />
            <a
              className='social-link'
              href='https://www.instagram.com/miphospital/'
              target='_blank'
              rel='noopener noreferrer'
              aria-label='اینستاگرام بیمارستان مهر پرند'
            >
              <FiInstagram aria-hidden='true' />
            </a>
          </div>
        </div>
      </div>

      <div className='mainbar'>
        <div className='header-container mainbar-inner'>
          <Link href='/'>
            <a className='brand' onClick={closeMenu} aria-label='بیمارستان مهر پرند، صفحه اصلی'>
              <img src='/resource/logo/logo-green.png' alt='' width='56' height='53' />
              <span className='brand-copy'>
                <strong>بیمارستان مهر پرند</strong>
                <small>همراه سلامت شما</small>
              </span>
            </a>
          </Link>

          <button
            className='menu-toggle'
            type='button'
            aria-label={menuOpen ? 'بستن منو' : 'باز کردن منو'}
            aria-expanded={menuOpen}
            aria-controls='site-navigation'
            onClick={() => setMenuOpen(open => !open)}
          >
            {menuOpen ? <FiX aria-hidden='true' /> : <FiMenu aria-hidden='true' />}
          </button>

          <nav id='site-navigation' className={`navigation ${menuOpen ? 'is-open' : ''}`} aria-label='منوی اصلی'>
            <div className='nav-links'>
              {mainLinks.map(({ href, label }) => (
                <Link href={href} key={href}>
                  <a className={pathname === href ? 'nav-link active' : 'nav-link'} aria-current={pathname === href ? 'page' : undefined} onClick={closeMenu}>
                    {label}
                  </a>
                </Link>
              ))}
              <details className='more-menu'>
                <summary className={moreIsActive ? 'nav-link active' : 'nav-link'}>
                  بیشتر <FiChevronDown aria-hidden='true' />
                </summary>
                <div className='more-panel'>
                  {moreLinks.map(({ href, label }) => (
                    <Link href={href} key={href}>
                      <a aria-current={pathname === href ? 'page' : undefined} onClick={closeMenu}>
                        {label}
                      </a>
                    </Link>
                  ))}
                </div>
              </details>
            </div>
            <Link href='/page/contact-us'>
              <a className='contact-button' onClick={closeMenu}>تماس با ما</a>
            </Link>
          </nav>
        </div>
      </div>

      <style jsx>{`
        .site-header {
          position: relative;
          z-index: 30;
          width: 100%;
          font-family: dana-fanum, sans-serif;
        }
        .header-container {
          width: calc(100% - 40px);
          max-width: 1240px;
          margin: 0 auto;
        }
        .topbar {
          color: #e6f6f5;
          background: #12464e;
        }
        .topbar-inner,
        .topbar-location,
        .topbar-actions,
        .phone-link {
          display: flex;
          align-items: center;
        }
        .topbar-inner {
          min-height: 42px;
          justify-content: space-between;
          gap: 20px;
          font-size: 12px;
        }
        .topbar-location,
        .topbar-actions,
        .phone-link {
          gap: 9px;
        }
        .topbar-location {
          min-width: 0;
        }
        .topbar-location span {
          overflow: hidden;
          white-space: nowrap;
          text-overflow: ellipsis;
        }
        .topbar a {
          color: inherit;
          text-decoration: none;
        }
        .topbar a:hover {
          color: #89e1da;
        }
        .topbar-actions {
          flex-shrink: 0;
        }
        .topbar-divider {
          width: 1px;
          height: 17px;
          background: rgba(255, 255, 255, .25);
        }
        .social-link {
          display: flex;
          align-items: center;
          justify-content: center;
          width: 28px;
          height: 28px;
          font-size: 17px;
        }
        .mainbar {
          background: #fff;
          box-shadow: 0 7px 24px rgba(13, 71, 76, .08);
        }
        .mainbar-inner {
          display: flex;
          align-items: center;
          justify-content: space-between;
          min-height: 84px;
          gap: 28px;
        }
        .brand {
          display: inline-flex;
          align-items: center;
          flex-shrink: 0;
          gap: 11px;
          color: #164a50;
          text-decoration: none;
        }
        .brand:hover {
          color: #164a50;
        }
        .brand img {
          display: block;
          width: 56px;
          height: 53px;
          object-fit: contain;
        }
        .brand-copy {
          display: flex;
          flex-direction: column;
          line-height: 1.55;
        }
        .brand-copy strong {
          font-size: 18px;
          font-weight: 800;
        }
        .brand-copy small {
          color: #6c898d;
          font-size: 11px;
        }
        .navigation,
        .nav-links {
          display: flex;
          align-items: center;
        }
        .navigation {
          justify-content: space-between;
          flex: 1;
          min-width: 0;
          gap: 20px;
        }
        .nav-links {
          gap: 2px;
        }
        .nav-link {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          gap: 5px;
          padding: 12px 10px;
          border: 0;
          border-radius: 10px;
          color: #34575b;
          font-size: 13px;
          font-weight: 700;
          white-space: nowrap;
          text-decoration: none;
          cursor: pointer;
          transition: color .2s ease, background-color .2s ease;
        }
        .nav-link:hover,
        .nav-link.active,
        .more-menu[open] > .nav-link {
          color: #147f80;
          background: #eaf7f5;
        }
        .more-menu {
          position: relative;
        }
        .more-menu summary {
          list-style: none;
        }
        .more-menu summary::-webkit-details-marker {
          display: none;
        }
        .more-panel {
          position: absolute;
          top: calc(100% + 10px);
          right: 0;
          z-index: 10;
          min-width: 162px;
          padding: 7px;
          border: 1px solid #e0efed;
          border-radius: 14px;
          background: #fff;
          box-shadow: 0 14px 32px rgba(21, 72, 77, .14);
        }
        .more-panel a {
          display: block;
          padding: 10px 12px;
          border-radius: 8px;
          color: #34575b;
          font-size: 13px;
          text-decoration: none;
          white-space: nowrap;
        }
        .more-panel a:hover,
        .more-panel a[aria-current='page'] {
          color: #147f80;
          background: #eaf7f5;
        }
        .contact-button {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          flex-shrink: 0;
          min-height: 42px;
          padding: 0 18px;
          border-radius: 11px;
          color: #fff;
          background: #168b89;
          font-size: 13px;
          font-weight: 700;
          text-decoration: none;
          white-space: nowrap;
          transition: background-color .2s ease, transform .2s ease;
        }
        .contact-button:hover {
          color: #fff;
          background: #106e70;
          transform: translateY(-2px);
        }
        .menu-toggle {
          display: none;
          align-items: center;
          justify-content: center;
          width: 44px;
          height: 44px;
          border: 1px solid #d7e9e7;
          border-radius: 11px;
          color: #176f73;
          background: #f2f9f8;
          font-size: 22px;
          cursor: pointer;
        }
        .site-header a:focus-visible,
        .site-header button:focus-visible,
        .site-header summary:focus-visible {
          outline: 3px solid #57c5c6;
          outline-offset: 3px;
        }
        @media (max-width: 1100px) {
          .mainbar-inner {
            position: relative;
            min-height: 74px;
          }
          .menu-toggle {
            display: inline-flex;
          }
          .navigation {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            left: 0;
            z-index: 20;
            flex-direction: column;
            align-items: stretch;
            gap: 12px;
            max-height: calc(100vh - 116px);
            overflow-y: auto;
            padding: 15px;
            border: 1px solid #e0efed;
            border-radius: 0 0 16px 16px;
            background: #fff;
            box-shadow: 0 17px 30px rgba(21, 72, 77, .14);
          }
          .navigation.is-open,
          .nav-links {
            display: flex;
          }
          .nav-links {
            flex-direction: column;
            align-items: stretch;
          }
          .nav-link {
            display: flex;
            justify-content: space-between;
            padding: 12px 14px;
          }
          .more-panel {
            position: static;
            margin: 4px 12px 8px;
            box-shadow: none;
          }
          .contact-button {
            width: 100%;
          }
        }
        @media (max-width: 700px) {
          .header-container {
            width: calc(100% - 32px);
          }
          .topbar-inner {
            min-height: 36px;
            justify-content: center;
          }
          .topbar-location {
            display: none;
          }
          .mainbar-inner {
            min-height: 68px;
          }
          .brand img {
            width: 47px;
            height: 45px;
          }
          .brand-copy strong {
            font-size: 15px;
          }
          .brand-copy small {
            font-size: 10px;
          }
          .navigation {
            max-height: calc(100vh - 104px);
          }
        }
      `}</style>
    </header>
  )
}