/**
 * 初始化平台相关信息，确定MiddleMgr
 */
module.exports = {
    init (ns) {
        if (CC_EDITOR) {
            return;
        }

        this._getPlatformInit();
    },

    /**
     * 获取当前平台的初始化接口
     *
     * @author Pyden
     * @date 2019-07-31
     * @returns
     */
    _getPlatformInit () {
        let channelId = this._getChannelId();
        G.ChannelId = Number(channelId);
        let sdkConfig = this._getSdkConfig(channelId);
        let sdkName = sdkConfig.sdk_name;
        let platform = cc.sys.platform;
        G.MiddleMgr = this._getMiddleMgr(platform, sdkName);
        G.MiddleMgr.sdkConfig = this._getSdkConfig(channelId);
        G.MiddleMgr.init();
    },

    /**
     * 获取MiddleMgr
     *
     * @author Pyden
     * @date 2019-12-30
     * @param {String} platform 平台
     * @param {String} sdkName sdk名称
     * @returns {MiddleMgr}
     */
    _getMiddleMgr (platform, sdkName) {
        let MiddleMgrClass;
        switch (platform) {
            case cc.sys.BAIDU_GAME: {
                MiddleMgrClass = require('BaiduMiddleMgr');
                break;
            }
            case cc.sys.WECHAT_GAME: {
                MiddleMgrClass = require('WechatgameMiddleMgr');
                break;
            }
            case cc.sys.ANDROID: {
                MiddleMgrClass = require('AndroidMiddleMgr');
                break;
            }
            default: {
                MiddleMgrClass = this._getWebMiddleMgrClass(sdkName);
                break;
            }
        }

        return new MiddleMgrClass();
    },

    /**
     * 获取Web平台对应的MiddleMgr
     *
     * @author Pyden
     * @date 2019-07-29
     * @param {String} sdkName sdk名称
     * @returns {MiddleMgr}
     */
    _getWebMiddleMgrClass (sdkName) {
        let MiddleMgrClass;

        switch (sdkName) {
            case 'web-qtt': {
                MiddleMgrClass = require('WebQTTMiddleMgr');
                break;
            }
            case 'web-xf': {
                MiddleMgrClass = require('WebXFMiddleMgr');
                break;
            }
            default: {
                MiddleMgrClass = require('WebMiddleMgr');
                break;
            }
        }

        return MiddleMgrClass;
    },

    /**
     * 渠道号映射不同的在线参数打包配置
     *
     * @author Pyden
     * @date 2019-07-29
     * @param {Integer} channelId
     * @returns {Object}
     */
    _getChannelId () {
        let channelId = 999;

        /*
        sys.UNKNOWN = -1;
        sys.WIN32 = 0;
        sys.LINUX = 1;
        sys.MACOS = 2;
        sys.ANDROID = 3;
        sys.IPHONE = 4;
        sys.IPAD = 5;
        sys.BLACKBERRY = 6;
        sys.NACL = 7;
        sys.EMSCRIPTEN = 8;
        sys.TIZEN = 9;
        sys.WINRT = 10;
        sys.WP8 = 11;
        sys.MOBILE_BROWSER = 100;
        sys.DESKTOP_BROWSER = 101;
        sys.EDITOR_PAGE = 102;
        sys.EDITOR_CORE = 103;
        sys.WECHAT_GAME = 104;
        sys.QQ_PLAY = 105;
        sys.FB_PLAYABLE_ADS = 106;
        sys.BAIDU_GAME = 107;
        sys.VIVO_GAME = 108;
        sys.OPPO_GAME = 109;
        sys.HUAWEI_GAME = 110;
        sys.XIAOMI_GAME = 111;
        sys.JKW_GAME = 112;
        */
        let platform = cc.sys.platform;
        switch (platform) {
            case cc.sys.MOBILE_BROWSER:
            case cc.sys.DESKTOP_BROWSER: {
                let searchParams = new URLSearchParams(window.location.search);
                channelId = searchParams.get('channel') || 999;
                break;
            }
            case cc.sys.ANDROID: {
                channelId = G.ANDROID_CHANNEL || 999;
                break;
            }
            default: {
                if (cc.sys.os == cc.sys.OS_IOS) {
                    channelId = G.IOS_CHANNEL || 999;
                } else {
                    channelId = G.ANDROID_CHANNEL || 999;
                }
                break;
            }
        }

        return channelId;
    },

    /**
     * 渠道号映射不同的SDK打包配置
     *
     * @author Pyden
     * @date 2019-07-29
     * @param {Integer} channelId
     * @returns {Object}
     */
    _getSdkConfig (channelId) {
        let WebSDKConfig = require('AllSDKConfig');
        let sdkConfig = WebSDKConfig['ch' + channelId];
        if (!sdkConfig) {
            sdkConfig = WebSDKConfig['ch999'] || {};
            sdkConfig.channel = channelId;
        }

        return sdkConfig;
    }
};