import { useContext, useMemo } from 'react'
import PropTypes from 'prop-types'
import { Button, Dropdown, Flex } from 'antd'
import { useNavigate } from 'react-router-dom'
import { ElectronContext } from '../context/ElectronContext'
import { useAppUpdateContext } from '../context/AppUpdateContext'
import { getSidebarMenuSections } from '../../../database/Sidebars'
import FarmControlLogoSmall from '../../Logos/FarmControlLogoSmall'

const runEditCommand = (command) => {
  try {
    document.execCommand(command)
  } catch (error) {
    console.warn(
      `[WindowAppMenu] Failed to run edit command: ${command}`,
      error
    )
  }
}

const mapSidebarItemsToMenuItems = (items = [], navigate) =>
  items
    .map((item, index) => {
      if (item?.type === 'divider') {
        return { type: 'divider', key: `divider-${index}` }
      }

      if (item?.children?.length) {
        return {
          key: item.key || `group-${item.label}-${index}`,
          label: item.label,
          children: mapSidebarItemsToMenuItems(item.children, navigate)
        }
      }

      if (item?.path) {
        return {
          key: item.path,
          label: item.label,
          onClick: () => navigate(item.path)
        }
      }

      return {
        key: item.key || `disabled-${item.label}-${index}`,
        label: item.label,
        disabled: true
      }
    })
    .filter(Boolean)

const MenuButton = ({ label, items, logo }) => (
  <Dropdown menu={{ items }} trigger={['click']} placement='bottomLeft'>
    <Button
      type='text'
      size='small'
      className='electrobun-webkit-app-region-no-drag'
      style={{
        height: '28px',
        paddingInline: logo ? '6px' : '8px',
        marginRight: logo ? '1px' : '0',
        fontWeight: 500
      }}
    >
      {label}
    </Button>
  </Dropdown>
)

MenuButton.propTypes = {
  label: PropTypes.oneOfType([PropTypes.string, PropTypes.element]).isRequired,
  items: PropTypes.array.isRequired,
  logo: PropTypes.bool
}

const WindowAppMenu = () => {
  const navigate = useNavigate()
  const { handleWindowControl } = useContext(ElectronContext)
  const { checkForUpdates } = useAppUpdateContext()
  const includeDev = import.meta.env.DEV

  const viewSections = useMemo(
    () => getSidebarMenuSections({ includeDev }),
    [includeDev]
  )

  const appMenuItems = useMemo(
    () => [
      {
        key: 'about',
        label: 'About Farm Control',
        onClick: () => navigate('/dashboard/management/about')
      },
      { type: 'divider' },
      {
        key: 'check-for-updates',
        label: 'Check For Updates...',
        onClick: () => checkForUpdates()
      },
      { type: 'divider' },
      {
        key: 'quit',
        label: 'Quit Farm Control',
        onClick: () => handleWindowControl('quit')
      }
    ],
    [checkForUpdates, handleWindowControl, navigate]
  )

  const fileMenuItems = useMemo(
    () => [
      {
        key: 'close',
        label: 'Close Window',
        onClick: () => handleWindowControl('close')
      }
    ],
    [handleWindowControl]
  )

  const editMenuItems = useMemo(
    () => [
      {
        key: 'undo',
        label: 'Undo',
        onClick: () => runEditCommand('undo')
      },
      {
        key: 'redo',
        label: 'Redo',
        onClick: () => runEditCommand('redo')
      },
      { type: 'divider' },
      {
        key: 'cut',
        label: 'Cut',
        onClick: () => runEditCommand('cut')
      },
      {
        key: 'copy',
        label: 'Copy',
        onClick: () => runEditCommand('copy')
      },
      {
        key: 'paste',
        label: 'Paste',
        onClick: () => runEditCommand('paste')
      },
      {
        key: 'pasteAndMatchStyle',
        label: 'Paste and Match Style',
        onClick: () => runEditCommand('paste')
      },
      {
        key: 'delete',
        label: 'Delete',
        onClick: () => runEditCommand('delete')
      },
      { type: 'divider' },
      {
        key: 'selectAll',
        label: 'Select All',
        onClick: () => runEditCommand('selectAll')
      }
    ],
    []
  )

  const viewMenuItems = useMemo(() => {
    const sectionItems =
      viewSections.length > 0
        ? viewSections.map((section) => ({
            key: `view-section-${section.key}`,
            label: section.label,
            children: mapSidebarItemsToMenuItems(section.items || [], navigate)
          }))
        : [
            {
              key: 'no-sidebar-items',
              label: 'No sidebar items available',
              disabled: true
            }
          ]

    if (!includeDev) {
      return sectionItems
    }

    return [
      ...sectionItems,
      { type: 'divider' },
      {
        key: 'toggle-devtools',
        label: 'Toggle Developer Tools',
        onClick: () => handleWindowControl('toggle-devtools')
      }
    ]
  }, [handleWindowControl, includeDev, navigate, viewSections])

  const windowMenuItems = useMemo(
    () => [
      {
        key: 'minimize',
        label: 'Minimize',
        onClick: () => handleWindowControl('minimize')
      },
      {
        key: 'zoom',
        label: 'Zoom',
        onClick: () => handleWindowControl('maximize')
      }
    ],
    [handleWindowControl]
  )

  const menus = useMemo(
    () => [
      { key: 'app', label: 'Farm Control', items: appMenuItems },
      { key: 'file', label: 'File', items: fileMenuItems },
      { key: 'edit', label: 'Edit', items: editMenuItems },
      { key: 'view', label: 'View', items: viewMenuItems },
      { key: 'window', label: 'Window', items: windowMenuItems }
    ],
    [appMenuItems, editMenuItems, fileMenuItems, viewMenuItems, windowMenuItems]
  )

  return (
    <Flex
      align='center'
      className='electrobun-webkit-app-region-no-drag'
      style={{ marginRight: '8px', flexShrink: 0, marginLeft: '4px' }}
    >
      {menus.map((menu) => {
        if (menu.key === 'app') {
          return (
            <MenuButton
              key={menu.key}
              logo={true}
              label={
                <FarmControlLogoSmall
                  style={{
                    fontSize: '46px',
                    height: '16px'
                  }}
                />
              }
              items={menu.items}
            />
          )
        }
        return (
          <MenuButton key={menu.key} label={menu.label} items={menu.items} />
        )
      })}
    </Flex>
  )
}

export default WindowAppMenu