dify/web/app/components/header/index.tsx

'use client'
import { useCallback, useEffect } from 'react'
import Link from 'next/link'
import { useBoolean } from 'ahooks'
import { useSelectedLayoutSegment } from 'next/navigation'
import { Bars3Icon } from '@heroicons/react/20/solid'
import HeaderBillingBtn from '../billing/header-billing-btn'
import AccountDropdown from './account-dropdown'
import AppNav from './app-nav'
import DatasetNav from './dataset-nav'
import EnvNav from './env-nav'
import PluginsNav from './plugins-nav'
import ExploreNav from './explore-nav'
import ToolsNav from './tools-nav'
import GithubStar from './github-star'
import { WorkspaceProvider } from '@/context/workspace-context'
import { useAppContext } from '@/context/app-context'
import LogoSite from '@/app/components/base/logo/logo-site'
import WorkplaceSelector from '@/app/components/header/account-dropdown/workplace-selector'
import useBreakpoints, { MediaType } from '@/hooks/use-breakpoints'
import { useProviderContext } from '@/context/provider-context'
import { useModalContext } from '@/context/modal-context'

const navClassName = `
  flex items-center relative mr-0 sm:mr-3 px-3 h-8 rounded-xl
  font-medium text-sm
  cursor-pointer
`

const Header = () => {
  const { isCurrentWorkspaceEditor, isCurrentWorkspaceDatasetOperator } = useAppContext()

  const selectedSegment = useSelectedLayoutSegment()
  const media = useBreakpoints()
  const isMobile = media === MediaType.mobile
  const [isShowNavMenu, { toggle, setFalse: hideNavMenu }] = useBoolean(false)
  const { enableBilling, plan } = useProviderContext()
  const { setShowPricingModal, setShowAccountSettingModal } = useModalContext()
  const isFreePlan = plan.type === 'sandbox'
  const handlePlanClick = useCallback(() => {
    if (isFreePlan)
      setShowPricingModal()
    else
      setShowAccountSettingModal({ payload: 'billing' })
  }, [isFreePlan, setShowAccountSettingModal, setShowPricingModal])

  useEffect(() => {
    hideNavMenu()
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [selectedSegment])
  return (
    <div className='flex flex-1 items-center justify-between pr-3'>
      <div className='flex items-center'>
        {isMobile && <div
          className='flex items-center justify-center h-8 w-8 cursor-pointer'
          onClick={toggle}
        >
          <Bars3Icon className="h-4 w-4 text-gray-500" />
        </div>}
        {!isMobile
        && <div className='flex w-64 p-2 pl-3 gap-1.5 items-center shrink-0 self-stretch'>
          <Link href="/apps" className='flex w-8 h-8 items-center justify-center gap-2 shrink-0'>
            <LogoSite className='object-contain' />
          </Link>
          <div className='font-light text-divider-deep'>/</div>
          <div className='flex items-center gap-0.5'>
            <WorkspaceProvider>
              <WorkplaceSelector />
            </WorkspaceProvider>
            {enableBilling && (
              <div className='select-none'>
                <HeaderBillingBtn onClick={handlePlanClick} />
              </div>
            )}
          </div>
        </div>
        }
      </div>
      {isMobile && (
        <div className='flex'>
          <Link href="/apps" className='flex items-center mr-4'>
            <LogoSite />
          </Link>
          <div className='font-light text-divider-deep'>/</div>
          {enableBilling && (
            <div className='select-none'>
              <HeaderBillingBtn onClick={handlePlanClick} />
            </div>
          )}
          <GithubStar />
        </div>
      )}
      {!isMobile && (
        <div className='flex items-center'>
          {!isCurrentWorkspaceDatasetOperator && <ExploreNav className={navClassName} />}
          {!isCurrentWorkspaceDatasetOperator && <AppNav />}
          {(isCurrentWorkspaceEditor || isCurrentWorkspaceDatasetOperator) && <DatasetNav />}
          {!isCurrentWorkspaceDatasetOperator && <ToolsNav className={navClassName} />}
        </div>
      )}
      <div className='flex items-center flex-shrink-0'>
        <EnvNav />
        <div className='mr-3'>
          <PluginsNav />
        </div>
        <AccountDropdown isMobile={isMobile} />
      </div>
      {(isMobile && isShowNavMenu) && (
        <div className='w-full flex flex-col p-2 gap-y-1'>
          {!isCurrentWorkspaceDatasetOperator && <ExploreNav className={navClassName} />}
          {!isCurrentWorkspaceDatasetOperator && <AppNav />}
          {(isCurrentWorkspaceEditor || isCurrentWorkspaceDatasetOperator) && <DatasetNav />}
          {!isCurrentWorkspaceDatasetOperator && <ToolsNav className={navClassName} />}
        </div>
      )}
    </div>
  )
}
export default Header