/**
 * https://github.com/uiwjs/react-codemirror/issues/409
 */
import { tags as t } from '@lezer/highlight';
import { createTheme, type CreateThemeOptions } from '@uiw/codemirror-themes';

export const defaultSettingsVscodeDark: CreateThemeOptions['settings'] = {
  background: '#1e1e1e',
  foreground: '#9cdcfe',
  caret: '#c6c6c6',
  selection: '#6199ff2f',
  selectionMatch: '#72a1ff59',
  lineHighlight: '#ffffff0f',
  gutterBackground: '#1e1e1e',
  gutterForeground: '#838383',
  gutterActiveForeground: '#fff',
  fontFamily: 'Menlo, Monaco, Consolas, "Andale Mono", "Ubuntu Mono", "Courier New", monospace',
};

export const vscodeDarkStyle: CreateThemeOptions['styles'] = [
  {
    tag: [
      t.keyword,
      t.operatorKeyword,
      t.modifier,
      t.color,
      t.constant(t.name),
      t.standard(t.name),
      t.standard(t.tagName),
      t.special(t.brace),
      t.atom,
      t.bool,
      t.special(t.variableName),
    ],
    color: '#569cd6',
  },
  { tag: [t.controlKeyword, t.moduleKeyword], color: '#c586c0' },
  {
    tag: [
      t.name,
      t.deleted,
      t.character,
      t.macroName,
      t.propertyName,
      t.variableName,
      t.labelName,
      t.definition(t.name),
    ],
    color: '#9cdcfe',
  },
  { tag: t.heading, fontWeight: 'bold', color: '#9cdcfe' },
  {
    tag: [t.typeName, t.className, t.tagName, t.number, t.changed, t.annotation, t.self, t.namespace],
    color: '#4ec9b0',
  },
  { tag: [t.function(t.variableName), t.function(t.propertyName)], color: '#dcdcaa' },
  { tag: [t.number], color: '#b5cea8' },
  { tag: [t.operator, t.punctuation, t.separator, t.url, t.escape, t.regexp], color: '#d4d4d4' },
  { tag: [t.regexp], color: '#d16969' },
  { tag: [t.special(t.string), t.processingInstruction, t.string, t.inserted], color: '#ce9178' },
  { tag: [t.angleBracket], color: '#808080' },
  { tag: t.strong, fontWeight: 'bold' },
  { tag: t.emphasis, fontStyle: 'italic' },
  { tag: t.strikethrough, textDecoration: 'line-through' },
  { tag: [t.meta, t.comment], color: '#6a9955' },
  { tag: t.link, color: '#6a9955', textDecoration: 'underline' },
  { tag: t.invalid, color: '#ff0000' },
];

export function vscodeDarkInit(options?: Partial<CreateThemeOptions>) {
  const { theme = 'dark', settings = {}, styles = [] } = options || {};
  return createTheme({
    theme: theme,
    settings: {
      ...defaultSettingsVscodeDark,
      ...settings,
    },
    styles: [...vscodeDarkStyle, ...styles],
  });
}

export const vscodeDark = vscodeDarkInit();