import { CLikeLexer } from '../../library-ts/browser/text/lexer/CLikeLexer.js';
import { LexerTypes } from '../../library-ts/browser/text/lexer/LexerType.js';
import { CodeMirrorLexerMode } from './CodeMirrorLexerMode.js';

const TYPE_TO_CLASS: Record<string, string | null> =
{
  [ LexerTypes.SINGLE_LINE_COMMENT  ]: 'comment',
  [ LexerTypes.MULTI_LINE_COMMENT   ]: 'comment',
  [ LexerTypes.DOUBLE_QUOTED_STRING ]: 'string',
  [ LexerTypes.SINGLE_QUOTED_STRING ]: 'string',
  [ LexerTypes.NUMBER               ]: 'number',
  [ LexerTypes.BOOL                 ]: 'atom',
  [ LexerTypes.NULL                 ]: 'atom',
  [ LexerTypes.LOGIC                ]: 'keyword',
  [ LexerTypes.CLASS                ]: 'keyword',
  [ LexerTypes.ACCESS_MODIFIER      ]: 'keyword',
  [ LexerTypes.C_INSTRUCTION        ]: 'meta',
  [ LexerTypes.CFUNCTION            ]: 'variable-2',
  [ LexerTypes.CWORD                ]: 'variable',
  [ LexerTypes.OPERATOR             ]: 'operator',
  [ LexerTypes.BRACKET              ]: 'bracket',
  [ LexerTypes.WHITESPACE           ]: null,
  [ LexerTypes.BREAK                ]: null,
  [ LexerTypes.ANY_SYMBOL           ]: null,
};

const CS_KEYWORDS =
[
  'abstract', 'as',       'async',      'await',     'base',      'byte',
  'catch',    'char',     'checked',    'const',     'decimal',   'default',
  'delegate', 'double',   'dynamic',    'enum',      'event',     'explicit',
  'extern',   'finally',  'fixed',      'float',     'foreach',   'get',
  'goto',     'implicit', 'in',         'int',       'interface', 'internal',
  'is',       'lock',     'long',       'nameof',    'namespace', 'new',
  'object',   'operator', 'out',        'override',  'params',    'partial',
  'readonly', 'ref',      'remove',     'sbyte',     'sealed',    'set',
  'short',    'sizeof',   'stackalloc', 'static',    'string',    'struct',
  'this',     'throw',    'try',        'typeof',    'uint',      'ulong',
  'unchecked','unsafe',   'ushort',     'using',     'value',     'var',
  'virtual',  'void',     'volatile',   'when',      'where',     'with',
  'yield',
];

export const csharpMode = new CodeMirrorLexerMode(
  new CLikeLexer(),
  TYPE_TO_CLASS,
  [ { type: LexerTypes.MULTI_LINE_COMMENT, start: /\/\*/, end: /\*\//, cmClass: 'comment' } ]
);

csharpMode.setKeywordSet( 'keywords', CS_KEYWORDS, 'keyword', [ LexerTypes.CWORD ] );