import Vue from 'vue'
// 获取当前版本号
function getLocalVersion() {
    return new Promise((resolve, reject) => {
        plus.runtime.getProperty(plus.runtime.appid, function (widgetInfo) {
            const version = widgetInfo.version
            resolve(version)
        })
    }).catch(err => {
        console.log(err);
    })
}
export function downloadPackage() {
    return new Promise((resolve, reject) => {
        // 相关接口
        let token = uni.getStorageSync('loginObj')
        let version
        const reqDTO = {
            obligateData1: 'pad'
        }
        uni.request({
            url: `${Vue.prototype.$local}/api/version/getMsg`,
            header: {
                'Content-Type': 'application/json', //自定义请求头信息
                'Authorization': `Bearer ${token.access_token}`
            },
            data: reqDTO,
            method: 'POST', //请求方式，必须为大写
            success: (res) => {
                if (res.statusCode == 200 && res.data.data != null) {
                    getLocalVersion().then(resD => {
                        if (res.data.data.versionNum != resD) {
                            uni.showModal({
                                title: '检测到有版本更新！',
                                content: '请升级app到最新版本！',
                                cancelText: '暂不升级',
                                showCancel: false,
                                confirmText: '立即升级',
                                success: resDD => {
                                    if (resDD.confirm) {
                                        const task = plus.downloader.createDownload(res.data.data.url);
                                        task.addEventListener('statechanged', (download, status) => {
                                            console.log(download,status);
                                            if (status == 200) {
                                                const {
                                                    downloadedSize,
                                                    totalSize,
                                                    filename,
                                                    state,
                                                } = download;
                                                const p = (downloadedSize / totalSize).toFixed(2) * 100;
                                                const isComplete = state === 4;
                                                console.log(['下载中' + p, 'status=' + status, '是否下载完成' + (isComplete)].join('，'))
                                                // onProgress && onProgress(p);
                                                if (isComplete) {
                                                    console.log('下载完成，开始安装')
                                                    plus.runtime.install(filename, {}, () => {
                                                        console.log('安装成功')
                                                    }, () => {
                                                        console.log('安装失败')
                                                    });
                                                }
                                            }
                                        }, false);
                                        task.start();
                                    }
                                }
                            })
                        }
                    })
                }
            },
            fail: function (err) {
                uni.showModal({
                    title: '提示',
                    showCancel: false,
                    content: '请求超时，请退出重新进入！'
                })
            }
        })
        resolve(version)
    }).catch(err => {
        console.log(err);
    })
}