// euclid hybrid bridge
let euclid = (function() {

    /**************** properties ******************/

    let callbacks = {};

    function registerCallback(callback) {
        let callbackId = uuid();
        callbacks[callbackId] = callback;
        return callbackId;
    }

    /**************** native call js ******************/
    function androidCallJs(params) {
        if (typeof params==="object") {
            nativeCallJs(JSON.stringify(params));
        }
        else {
            nativeCallJs(params);
        }
    }

    function iOSCallJs(params) {
        nativeCallJs(params);
    }

    function nativeCallJs(paramsString) {
        console.debug("nativeCallJs:" + paramsString);
        let params = JSON.parse(paramsString);
        let callbackId = params["callbackId"];
        let callback = euclid.callbacks[callbackId];
        console.info(callbacks.toString());
        for (let key in euclid.callbacks) {
            console.info(key);
            console.info(euclid.callbacks[key]);
        }
        console.info(callbackId);
        console.info(callback);
        if (callback !== undefined && callback != null) {
            common.log(callback.name);
            callback(params);
        }
    }

    /**************** js call native ******************/

    function uuid() {
        var s = [];
        var hexDigits = "0123456789abcdef";
        for (var i = 0; i < 36; i++) {
            s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
        }
        s[14] = "4";  // bits 12-15 of the time_hi_and_version field to 0010
        s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);  // bits 6-7 of the clock_seq_hi_and_reserved to 01
        s[8] = s[13] = s[18] = s[23] = "-";
        var uuid1 = s.join("");
        return uuid1;
    }

    function jsCallIOS(paramsString) {
        EuclidAndroidBridge.jsCallIOS(paramsString);
    }

    function jsCallAndroid(paramsString) {
        EuclidAndroidBridge.jsCallAndroid(paramsString);
    }

    function jsCallNative(plugin, method, params, callback) {
        let callbackId = registerCallback(callback);
        let paramsString = JSON.stringify({plugin: plugin, method: method, callbackId: callbackId, params: params === null ? {} : params});
        let u = navigator.userAgent;
        let isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端
        let isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端
        if (isIOS) {
            jsCallIOS(paramsString);
        }
        else if (isAndroid) {
            jsCallAndroid(paramsString);
        }
        else {
            alert("请使用手机访问");
        }
    }

    /**************** plugins ******************/

    //照相机插件
    let camera = (function () {
        let pluginName = "camera";
        //拍照
        let takePicture = function takePicture(params, callback) {
            console.info("拍照");
            jsCallNative(pluginName,"takePicture", params, callback);
        };
        return {
            takePicture: takePicture
        }
    })();

    //common插件
    let common = (function () {
        let pluginName = "common";
        //拍照
        let screenShot = function screenShot(params, callback) {
            jsCallNative(pluginName, "screenShot", params, callback);
        };
        let paramsSign = function paramsSign(params, callback) {
            jsCallNative(pluginName,"paramsSign", params, callback);
        };
        let log = function log(params) {
            if (typeof params === "string") {
                params = {log: params};
            }
            jsCallNative(pluginName,"log", params);
        };
        let base64ToImage = function base64ToImage(base64str) {
            // 去掉url的头，并转化为byte
            let bytes = window.atob(base64str);
            // 处理异常,将ascii码小于0的转换为大于0
            let ab = new ArrayBuffer(bytes.length);
            // 生成视图（直接针对内存）：8位无符号整数，长度1个字节
            let ia = new Uint8Array(ab);
            for (let i = 0; i < bytes.length; i++) {
                ia[i] = bytes.charCodeAt(i);
            }
            return new Blob([ab], {
                type: mine
            });
        };
        return {
            log: log,
            screenShot: screenShot,
            paramsSign: paramsSign,
            base64ToImage
        }
    })();



    /**************** public ******************/

    return {
        //公有方法
        camera: camera,
        common: common,
        //私有属性
        callbacks: callbacks,
        //iOS call js
        iOSCallJs: iOSCallJs,
        //android call js
        androidCallJs: androidCallJs,
    };　
})();