// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

;(function (mod) {
    'use strict'
    if (typeof exports === 'object' && typeof module === 'object') {
        // CommonJS
        mod(
            require('../../lib/codemirror'),
            require('../../addon/mode/overlay'),
            require('../xml/xml'),
            require('../javascript/javascript'),
            require('../coffeescript/coffeescript'),
            require('../css/css'),
            require('../sass/sass'),
            require('../stylus/stylus'),
            require('../pug/pug'),
            require('../handlebars/handlebars')
        )
    } else if (typeof define === 'function' && define.amd) {
        // AMD
        define([
            '../../lib/codemirror',
            '../../addon/mode/overlay',
            '../xml/xml',
            '../javascript/javascript',
            '../coffeescript/coffeescript',
            '../css/css',
            '../sass/sass',
            '../stylus/stylus',
            '../pug/pug',
            '../handlebars/handlebars',
        ], mod)
    } else {
        // Plain browser env
        mod(CodeMirror)
    }
})(function (CodeMirror) {
    var tagLanguages = {
        script: [
            ['lang', /coffee(script)?/, 'coffeescript'],
            ['type', /^(?:text|application)\/(?:x-)?coffee(?:script)?$/, 'coffeescript'],
            ['lang', /^babel$/, 'javascript'],
            ['type', /^text\/babel$/, 'javascript'],
            ['type', /^text\/ecmascript-\d+$/, 'javascript'],
        ],
        style: [
            ['lang', /^stylus$/i, 'stylus'],
            ['lang', /^sass$/i, 'sass'],
            ['lang', /^less$/i, 'text/x-less'],
            ['lang', /^scss$/i, 'text/x-scss'],
            ['type', /^(text\/)?(x-)?styl(us)?$/i, 'stylus'],
            ['type', /^text\/sass/i, 'sass'],
            ['type', /^(text\/)?(x-)?scss$/i, 'text/x-scss'],
            ['type', /^(text\/)?(x-)?less$/i, 'text/x-less'],
        ],
        template: [
            ['lang', /^vue-template$/i, 'vue'],
            ['lang', /^pug$/i, 'pug'],
            ['lang', /^handlebars$/i, 'handlebars'],
            ['type', /^(text\/)?(x-)?pug$/i, 'pug'],
            ['type', /^text\/x-handlebars-template$/i, 'handlebars'],
            [null, null, 'vue-template'],
        ],
    }

    CodeMirror.defineMode('vue-template', function (config, parserConfig) {
        var mustacheOverlay = {
            token: function (stream) {
                if (stream.match(/^\{\{.*?\}\}/)) return 'meta mustache'
                while (stream.next() && !stream.match('{{', false)) {}
                return null
            },
        }
        return CodeMirror.overlayMode(CodeMirror.getMode(config, parserConfig.backdrop || 'text/html'), mustacheOverlay)
    })

    CodeMirror.defineMode(
        'vue',
        function (config) {
            return CodeMirror.getMode(config, { name: 'htmlmixed', tags: tagLanguages })
        },
        'htmlmixed',
        'xml',
        'javascript',
        'coffeescript',
        'css',
        'sass',
        'stylus',
        'pug',
        'handlebars'
    )

    CodeMirror.defineMIME('script/x-vue', 'vue')
    CodeMirror.defineMIME('text/x-vue', 'vue')
})