import SmartLink from '@/components/SmartLink'
import NotionIcon from '@/components/NotionIcon'
import LazyImage from '@/components/LazyImage'
import { siteConfig } from '@/lib/config'

export default function PostHeader({ post }) {
  if (!post) {
    return <></>
  }
  const headerImage = post?.pageCover ? post.pageCover : siteConfig('HOME_BANNER_IMAGE')

  return (
    <div id="header" className="w-full h-96 relative md:flex-shrink-0 z-10" >
      <LazyImage priority={true} src={headerImage} className='w-full h-full object-cover object-center absolute top-0'/>

      <header id='article-header-cover'
            className="bg-black bg-opacity-70 absolute top-0 w-full h-96 py-10 flex justify-center items-center ">

        <div className='mt-10'>
            <div className='mb-3 flex justify-center'>
              {post.category && <>
                <SmartLink href={`/category/${post.category}`} passHref legacyBehavior>
                  <div className="cursor-pointer px-2 py-1 mb-2 border rounded-sm dark:border-white text-sm font-medium hover:underline duration-200 shadow-text-md text-white">
                    {post.category}
                  </div>
                </SmartLink>
              </>}
            </div>

          {/* 文章Title */}
          <div className="leading-snug font-bold xs:text-4xl sm:text-4xl md:text-5xl md:leading-snug text-4xl shadow-text-md flex justify-center text-center text-white">
            {siteConfig('POST_TITLE_ICON') && <NotionIcon icon={post.pageIcon} className='text-4xl mx-1' />}<div className='text-4xl mx-1'>{post.title}</div>
          </div>

        </div>
      </header>
    </div>
  )
}