import BasePlatform from './BasePlatform';


function parseQueryString(queryString) {
    // 如果以 ? 开头，先去掉 ?
    if (queryString.startsWith('?')) {
        queryString = queryString.substring(1);
    }

    const params = {};
    const pairs = queryString.split('&');

    for (const pair of pairs) {
        const [key, value] = pair.split('=');
        // 解码 URI 组件
        params[key] = decodeURIComponent(value);
    }

    return params;
}

class H5Platform extends BasePlatform {
    constructor() {
        super();
        this.code = 'WEB_H5';
        this.env = 'h5';
    }
    getPayData(url, data) {

        data['quitUrl'] = escape(window.location.href);
        data['returnUrl'] = escape(window.location.href);
        console.log('处理数据', data);
        return data;
    }
    pay({ data }) {
        console.log('支付1111');

        return new Promise((resolve) => {
            console.log(data);
            // 创建一个临时div元素
            const tempDiv = document.createElement('div');
            // 将data作为HTML插入到div中（假设data是表单的HTML字符串）
            tempDiv.innerHTML = data;
            // 将表单添加到body中
            document.body.appendChild(tempDiv.firstChild);
            // 获取表单并提交
            const form = document.getElementById('alipaysubmit');
            if (form) {
                form.submit();
                resolve({ success: true });
            } else {
                resolve({ success: false, message: '表单创建失败' });
            }
        });
    }

    share({ title, desc, image, url }) {
        console.log(`H5分享：${title} - ${desc}`);
        // 调用浏览器原生分享（如果可用）
        if (navigator.share) {
            return navigator.share({ title, text: desc, url });
        }
        // 降级方案
        alert(`请手动分享：${url}`);
    }

    /**
     * 选择地址
     * @returns 
     */
    chooseAddress() {
        return new Promise((resolve, reject) => {
            uni.navigateTo({
                url: '/pages/other/choose_address',
                events: {
                    // 为指定事件添加一个监听器，获取被打开页面传送到当前页面的数据
                    selectAddress: function (data) {
                        console.log(data, { userName: data.address.receiver_name, telNumber: data.address.receiver_phone, detailed_address: data.address.detailed_address })
                        resolve({ userName: data.address.receiver_name, telNumber: data.address.receiver_phone, detailed_address: data.address.detailed_address });
                    },
                    someEvent: function (data) {
                        console.log(data)
                    }

                },
                success: function (res) {
                    // 通过eventChannel向被打开页面传送数据
                    res.eventChannel.emit('acceptDataFromOpenerPage', { data: 'data from starter page' })
                }
            })
        });
    }
    downloadFile(url) {
        return new Promise((resolve, reject) => {
            try {
                // 创建一个隐藏的a标签
                const a = document.createElement('a');
                a.href = url;
                a.download = url.split('/').pop() || 'download'; // 使用URL中的文件名或默认名称
                a.style.display = 'none';
                document.body.appendChild(a);
                a.click(); // 触发下载
                document.body.removeChild(a); // 清理DOM
                resolve({ success: true });
            } catch (error) {
                console.error('下载失败:', error);
                // 降级方案，直接打开
                window.location.href = url;
                resolve({ success: false, error: error.message });
            }
        });
    }
    AppLaunch(options) {
        console.log("AppLaunch", options);
        if (options.query) {
            let query = options.query;
            if (query['method'] != null && query['method'] == "alipay.trade.wap.pay.return" && query['out_trade_no'] != null) {
                //支付宝跳转过来的
                //重定向url
                let url = window.location.origin + window.location.pathname;
                let out_trade_no = query['out_trade_no'];
                uni.setStorageSync('pay_order_num', out_trade_no);
                // alert('存入订单编号' + out_trade_no)
                const delKey = ['charset', 'out_trade_no', 'method', 'total_amount', 'sign', 'trade_no', 'auth_app_id', 'version', 'app_id', 'sign_type', 'seller_id', 'timestamp'];
                for (const key of delKey) {
                    delete query[key];
                }
                let str = Object.entries(query)
                    .map(([key, value]) => `${key}=${value}`)
                    .join('&')
             
                url += "?" + str;
                console.log('支付成功，重定向页面。',url);
                window.location.href = url;
            }

            //   query['']
            // {
            //     "goods_id": "1081",
            //     "type_text": "%E6%97%A0%E9%99%90%E8%B5%8F",
            //     "order_no": "MH_ZFAH5ZFB2025050449989950960",
            //     "charset": "UTF-8",
            //     "out_trade_no": "MH_ZFAH5ZFB2025050449989950960",
            //     "method": "alipay.trade.wap.pay.return",
            //     "total_amount": "0.01",
            //     "sign": "JD2PDNDh2qTi/y4wiqtsyJSc5uPy1OgO5W7NaYRdc/ctHT85yVJP9fDVpJAIXRDj/xd8oWpT9a2BSrNfqIbZ0sT0Fa8ha15unfi9RX+jYEkKAa2Grz0rkcv3YOlMni9vThCRdmNPCzh0fKLCKFRBZiuxPIFW7qgoRxFkWvziR8dUi0GccleOSUV6Z3W+HG6b+Ru3fgZSRMm+8+d0UXrH5wi7KIgJja+ZbAnVYkh+4R7BjxS1zpUPMXNzej9fAFHO6UD8RBobYi1r6D3gYpKJaChVUJXaXkRqU/6ybgUbX7FsvviCYoEGUkukiq9HCaKZ/bfrD3TvoAicC4aXo6p7Dw==",
            //     "trade_no": "2025050422001402751446415564",
            //     "auth_app_id": "2021005141643914",
            //     "version": "1.0",
            //     "app_id": "2021005141643914",
            //     "sign_type": "RSA2",
            //     "seller_id": "2088170936712914",
            //     "timestamp": "2025-05-04 01:41:48"
            // }
        }
    }
    getOrderNo() {
        return new Promise((resolve, reject) => {
            //window.location.search
            let query = parseQueryString(window.location.search);
            if (query['method'] != null && query['method'] == "alipay.trade.wap.pay.return" && query['out_trade_no'] != null) {
                //表示还在支付请求中，还未开始重定向
                console.log('window.location.search',window.location.search);
                
                resolve(null);
                return;
            }
            let pay_order_num = uni.getStorageSync('pay_order_num');
            // alert("获取订单编号"+pay_order_num)
            setTimeout(() => { uni.removeStorageSync('pay_order_num'); }, 2000)
            resolve(pay_order_num);
        });
    }
}
export default H5Platform;