/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

'use strict';

import IRichLanguageConfiguration = monaco.languages.LanguageConfiguration;
import ILanguage = monaco.languages.IMonarchLanguage;

export const conf: IRichLanguageConfiguration = {
    comments: {
        lineComment: ';;',
        blockComment: ['(comment', ')'],
    },

    brackets: [['(', ')'], ['{', '}'], ['[', ']']],

    autoClosingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: '"', close: '"' },
    ],

    surroundingPairs: [
        { open: '{', close: '}' },
        { open: '[', close: ']' },
        { open: '(', close: ')' },
        { open: '"', close: '"' },
    ],
};

export const language = <ILanguage>{
    defaultToken: '',
    ignoreCase: true,
    tokenPostfix: '.clj',

    brackets: [
        { open: '(', close: ')', token: 'delimiter.parenthesis' },
        { open: '{', close: '}', token: 'delimiter.curly' },
        { open: '[', close: ']', token: 'delimiter.square' },
    ],

    keywords: [
        'ns',
        'ns-unmap',
        'create-ns',
        'in-ns',
        'fn',
        'def',
        'defn',
        'defmacro',
        'defmulti',
        'defonce',
        'require',
        'import',
        'new',
        'refer',
        'pos',
        'pos?',
        'filter',
        'map',
        'reduce',
        'repeat',
        'key',
        'rest',
        'concat',
        'into',
        'reverse',
        'iterate',
        'range',
        'drop',
        'drop-while',
        'take',
        'take-while',
        'neg',
        'neg?',
        'bound-fn',
        'if',
        'if-not',
        'if-let',
        'case,',
        'contains',
        'conj',
        'disj',
        'sort',
        'get',
        'assoc',
        'merge',
        'keys',
        'vals',
        'nth',
        'first',
        'last',
        'count',
        'contains?',
        'cond',
        'condp',
        'cond->',
        'cond->>',
        'when',
        'while',
        'when-not',
        'when-let',
        'when-first',
        'do',
        'future',
        'comment',
        'doto',
        'locking',
        'proxy',
        'println',
        'type',
        'meta',
        'var',
        'as->',
        'reify',
        'deftype',
        'defrecord',
        'defprotocol',
        'extend',
        'extend-protocol',
        'extend-type',
        'specify',
        'specify!',
        'try',
        'catch',
        'finally',
        'let',
        'letfn',
        'binding',
        'loop',
        'for',
        'seq',
        'doseq',
        'dotimes',
        'when-let',
        'if-let',
        'when-some',
        'if-some',
        'this-as',
        'defmethod',
        'testing',
        'deftest',
        'are',
        'use-fixtures',
        'use',
        'remove',
        'run',
        'run*',
        'fresh',
        'alt!',
        'alt!!',
        'go',
        'go-loop',
        'thread',
        'boolean',
        'str',
    ],

    constants: ['true', 'false', 'nil'],

    operators: [
        '=',
        'not=',
        '<',
        '<=',
        '>',
        '>=',
        'and',
        'or',
        'not',
        'inc',
        'dec',
        'max',
        'min',
        'rem',
        'bit-and',
        'bit-or',
        'bit-xor',
        'bit-not',
    ],

    tokenizer: {
        root: [
            [/0[xX][0-9a-fA-F]+/, 'number.hex'],
            [/[+-]?\d+(?:(?:\.\d*)?(?:[eE][+-]?\d+)?)?/, 'number.float'],

            [
                /(?:\b(?:(ns|def|defn|defn-|defmacro|defmulti|defonce|ns|ns-unmap|fn))(?![\w-]))(\s+)((?:\w|\-|\!|\?)*)/,
                ['keyword', 'white', 'variable'],
            ],

            [
                /[a-zA-Z_#][a-zA-Z0-9_\-\?\!\*]*/,
                {
                    cases: {
                        '@keywords': 'keyword',
                        '@constants': 'constant',
                        '@operators': 'operators',
                        '@default': 'identifier',
                    },
                },
            ],

            { include: '@whitespace' },
            { include: '@strings' },
        ],

        comment: [
            [/[^\(comment]+/, 'comment'],
            [/\)/, 'comment', '@push'],
            [/\(comment/, 'comment', '@pop'],
            [/[\)]/, 'comment'],
        ],

        whitespace: [
            [/[ \t\r\n]+/, 'white'],
            [/\(comment/, 'comment', '@comment'],
            [/;;.*$/, 'comment'],
        ],

        strings: [
            [/"$/, 'string', '@popall'],
            [/"(?=.)/, 'string', '@multiLineString'],
        ],

        multiLineString: [
            [/\\./, 'string.escape'],
            [/"/, 'string', '@popall'],
            [/.(?=.*")/, 'string'],
            [/.*\\$/, 'string'],
            [/.*$/, 'string', '@popall'],
        ],
    },
};