import { EditorView } from '@codemirror/view'
import { HighlightStyle, syntaxHighlighting } from '@codemirror/language'
import { tags } from '@lezer/highlight'

const editorFontFamily = "'DM Mono', monospace"

const farmControlHighlightStyle = HighlightStyle.define([
  { tag: tags.keyword, color: 'var(--color-purple)' },
  {
    tag: [
      tags.function(tags.variableName),
      tags.labelName,
      tags.definition(tags.function(tags.variableName))
    ],
    color: 'var(--color-magenta)'
  },
  {
    tag: [tags.string, tags.inserted, tags.special(tags.string)],
    color: 'var(--color-success)'
  },
  {
    tag: [
      tags.number,
      tags.bool,
      tags.atom,
      tags.changed,
      tags.typeName,
      tags.className,
      tags.annotation,
      tags.modifier,
      tags.self,
      tags.namespace,
      tags.color,
      tags.constant(tags.name),
      tags.standard(tags.name)
    ],
    color: 'var(--color-warning)'
  },
  {
    tag: [
      tags.operator,
      tags.operatorKeyword,
      tags.url,
      tags.escape,
      tags.regexp,
      tags.link
    ],
    color: 'var(--color-cyan)'
  },
  { tag: tags.invalid, color: 'var(--color-error)' },
  {
    tag: [tags.meta, tags.comment],
    color: 'color-mix(in srgb, var(--color-text) 55%, transparent)',
    fontStyle: 'italic'
  },
  {
    tag: [
      tags.name,
      tags.deleted,
      tags.character,
      tags.propertyName,
      tags.macroName,
      tags.definition(tags.name),
      tags.separator,
      tags.variableName
    ],
    color: 'var(--color-text)'
  },
  { tag: tags.heading, fontWeight: 'bold', color: 'var(--color-error)' },
  { tag: tags.strong, fontWeight: 'bold' },
  { tag: tags.emphasis, fontStyle: 'italic' },
  { tag: tags.strikethrough, textDecoration: 'line-through' },
  {
    tag: tags.link,
    color: 'var(--color-link)',
    textDecoration: 'underline'
  },
  {
    tag: [tags.processingInstruction],
    color: 'var(--color-info)'
  }
])

const farmControlLightTheme = EditorView.theme(
  {
    '&': {
      color: 'var(--color-text)',
      backgroundColor: 'var(--layout-modal-bg)',
      fontFamily: editorFontFamily,
      fontSize: '14px'
    },
    '.cm-content': {
      caretColor: 'var(--color-primary)'
    },
    '.cm-cursor, .cm-dropCursor': {
      borderLeftColor: 'var(--color-primary)'
    },
    '&.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground, .cm-selectionBackground, .cm-content ::selection':
      {
        backgroundColor:
          'color-mix(in srgb, var(--color-primary) 25%, transparent)'
      },
    '.cm-activeLine': {
      backgroundColor:
        'color-mix(in srgb, var(--color-primary) 8%, transparent)'
    },
    '.cm-selectionMatch': {
      backgroundColor:
        'color-mix(in srgb, var(--color-success) 15%, transparent)'
    },
    '&.cm-focused .cm-matchingBracket, &.cm-focused .cm-nonmatchingBracket': {
      backgroundColor:
        'color-mix(in srgb, var(--color-warning) 20%, transparent)'
    },
    '.cm-gutters': {
      backgroundColor: 'var(--layout-modal-bg)',
      color: 'color-mix(in srgb, var(--color-text) 45%, transparent)',
      border: 'none'
    },
    '.cm-activeLineGutter': {
      backgroundColor:
        'color-mix(in srgb, var(--color-primary) 8%, transparent)'
    },
    '.cm-foldPlaceholder': {
      backgroundColor: 'transparent',
      border: 'none',
      color: 'color-mix(in srgb, var(--color-text) 55%, transparent)'
    },
    '.cm-tooltip': {
      border: 'none',
      backgroundColor: 'var(--layout-modal-bg)',
      color: 'var(--color-text)'
    },
    '.cm-tooltip .cm-tooltip-arrow:before': {
      borderTopColor: 'transparent',
      borderBottomColor: 'transparent'
    },
    '.cm-tooltip .cm-tooltip-arrow:after': {
      borderTopColor: 'var(--layout-modal-bg)',
      borderBottomColor: 'var(--layout-modal-bg)'
    },
    '.cm-tooltip-autocomplete': {
      '& > ul > li[aria-selected]': {
        backgroundColor:
          'color-mix(in srgb, var(--color-primary) 12%, transparent)',
        color: 'var(--color-text)'
      }
    }
  },
  { dark: false }
)

const farmControlDarkTheme = EditorView.theme(
  {
    '&': {
      color: 'var(--color-text)',
      backgroundColor: 'var(--layout-modal-bg)',
      fontFamily: editorFontFamily,
      fontSize: '14px'
    },
    '.cm-content': {
      caretColor: 'var(--color-primary)'
    },
    '.cm-cursor, .cm-dropCursor': {
      borderLeftColor: 'var(--color-primary)'
    },
    '&.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground, .cm-selectionBackground, .cm-content ::selection':
      {
        backgroundColor:
          'color-mix(in srgb, var(--color-primary) 30%, transparent)'
      },
    '.cm-activeLine': {
      backgroundColor:
        'color-mix(in srgb, var(--color-primary) 10%, transparent)'
    },
    '.cm-selectionMatch': {
      backgroundColor:
        'color-mix(in srgb, var(--color-success) 18%, transparent)'
    },
    '&.cm-focused .cm-matchingBracket, &.cm-focused .cm-nonmatchingBracket': {
      backgroundColor:
        'color-mix(in srgb, var(--color-warning) 22%, transparent)'
    },
    '.cm-gutters': {
      backgroundColor: 'var(--layout-modal-bg)',
      color: 'color-mix(in srgb, var(--color-text) 45%, transparent)',
      border: 'none'
    },
    '.cm-activeLineGutter': {
      backgroundColor:
        'color-mix(in srgb, var(--color-primary) 10%, transparent)'
    },
    '.cm-foldPlaceholder': {
      backgroundColor: 'transparent',
      border: 'none',
      color: 'color-mix(in srgb, var(--color-text) 55%, transparent)'
    },
    '.cm-tooltip': {
      border: 'none',
      backgroundColor: 'var(--layout-modal-bg)',
      color: 'var(--color-text)'
    },
    '.cm-tooltip .cm-tooltip-arrow:before': {
      borderTopColor: 'transparent',
      borderBottomColor: 'transparent'
    },
    '.cm-tooltip .cm-tooltip-arrow:after': {
      borderTopColor: 'var(--layout-modal-bg)',
      borderBottomColor: 'var(--layout-modal-bg)'
    },
    '.cm-tooltip-autocomplete': {
      '& > ul > li[aria-selected]': {
        backgroundColor:
          'color-mix(in srgb, var(--color-primary) 15%, transparent)',
        color: 'var(--color-text)'
      }
    }
  },
  { dark: true }
)

export const farmControlLight = [
  farmControlLightTheme,
  syntaxHighlighting(farmControlHighlightStyle)
]

export const farmControlDark = [
  farmControlDarkTheme,
  syntaxHighlighting(farmControlHighlightStyle)
]