/**
 * 在 ajax request 前修改url，增加服务端`basePath`
 * `basePath`在`app.json`配置
 */
Ext.define('saas.override.data.Connection', {
    override: 'Ext.data.Connection',
 
    urlRegexp: /(http|ftp|https):\/\//,

    config: {
        /**
         * @cfg {Object} defaultServerHeaders
         * 与defaultHeaders有区别，只在调用server api的时候才添加的headers
         */
        defaultServerHeaders: null
    },

    privates: {
        parseBasePath: function(basePath) {
            if (Ext.isObject(basePath)) {
                var protocol = window.location.protocol.split(":")[0];
                if (protocol === 'file') {
                    protocol = 'https';
                }
                return basePath[protocol];
            }
            return basePath;
        },
        setupServerOptions: function(options) {
            var serverOptions = Ext.manifest.server, originUrl = options.url;
            if (serverOptions && serverOptions.basePath && !this.urlRegexp.test(originUrl) &&
              (!serverOptions.urlPattern || new RegExp(serverOptions.urlPattern).test(originUrl))) {
                Ext.Object.merge(options, {
                    url: this.parseBasePath(serverOptions.basePath)
                        + (originUrl.indexOf('/') == 0 ? '' : '/') + originUrl,
                    headers: this.getDefaultServerHeaders() || {}
                });
            }
        }
    },

    request: function(options) {
        if (options && options.url) {
            this.setupServerOptions(options);
        }
        return this.callParent([options]);
    }
 });