const COS = require('cos-nodejs-sdk-v5');
const {dialog} = require('electron')
const {readFileSync} = require('node:fs')
const md5 = require("md5");

class UploadUtils {

    static cos = new COS({
        SecretId: 'AKIDvjKhqrfEaliRq11nMcrGZmsATiyNl1BA',
        // 推荐使用环境变量获取；用户的 SecretId，建议使用子账号密钥，授权遵循最小权限指引，降低使用风险。
        // 子账号密钥获取可参考https://cloud.tencent.com/document/product/598/37140
        SecretKey: 'xpZCjCTVJzZG2wyy8mFVwLWTVVIqAKct',
        Domain: 'https://note-1324909903.cos.ap-beijing.myqcloud.com'
    });
    static Bucket = 'note-1324909903'
    static Region = 'ap-beijing'
    static staticStore
    constructor(store) {
        this.store = store;
        UploadUtils.staticStore = store;
    }
    getActiveFile() {
        let tableBarItem = JSON.parse(this.store.get("persist:tableBarItem"));
        if (!tableBarItem) {
            return;
        }
        return tableBarItem.activeKey ? JSON.parse(tableBarItem.activeKey) : undefined;
    }

    /*
     * 检测本地和远程文件是否相同
     */
    getLocalFileMd5(activeFile) {
        let dirMessage = JSON.parse(this.store.get("persist:dirMessage"));
        let fileMd5
        if (activeFile && dirMessage && dirMessage.data) {
            let find = JSON.parse(dirMessage.data, []).find(file => file.fileId === activeFile || file.filePath === activeFile);
            if (find) {
                fileMd5 = find.fileMd5;
            }
        }
        if (!fileMd5) {
            fileMd5 = md5(readFileSync(activeFile).toString())
        }
        return fileMd5
    }


    upLoadFileUtil(activeFile) {
        // 判断文件是否相同
        let fileMd5 = this.getLocalFileMd5(activeFile);
        UploadUtils.cos.headObject({
            Bucket: UploadUtils.Bucket,
            Region: UploadUtils.Region,
            // 不能以 / 开头
            Key: process.platform==='win32'?activeFile.replaceAll("\\","/"):activeFile
        }, function (err, data) {
            console.log('upLoadFileUtil:',err || data);
            if (data && data.ETag) {
                // 文件存在，比较MD5值
                let onlineMd5 = data.ETag.replaceAll('"', "")
                if (onlineMd5 === fileMd5) {
                    dialog.showMessageBoxSync({
                        "message": "云文件和本地相同无需同步",
                        "type": "info",
                        "buttons": ["确认"],
                        "defaultId": 0
                    });
                    return
                }
            }
            UploadUtils.selfUploadFile(activeFile,fileMd5)

        })
    }

    downLoadFileUtil(activeFile) {
        // 判断文件是否相同
        let fileMd5 = this.getLocalFileMd5(activeFile);
        UploadUtils.cos.headObject({
            Bucket: UploadUtils.Bucket,
            Region: UploadUtils.Region,
            // 不能以 / 开头
            Key: process.platform==='win32'?activeFile.replaceAll("\\","/"):activeFile,
        }, function (err, data) {
            console.log('downLoadFileUtil:',err || data);
            if (data && data.ETag) {
                // 文件存在，比较MD5值
                let onlineMd5 = data.ETag.replaceAll('"', "")
                if (onlineMd5 === fileMd5) {
                    dialog.showMessageBoxSync({
                        "message": "云文件和本地相同无需同步",
                        "type": "info",
                        "buttons": ["确认"],
                        "defaultId": 0
                    });
                    return
                }
            }
            UploadUtils.selfDownLoadFile(activeFile)
        })
    }

    static selfUploadFile(activeFile,fileMd5) {
        console.log("cos.uploadFile",activeFile,fileMd5)
        UploadUtils.cos.uploadFile({
            Bucket: UploadUtils.Bucket, /* 填入您自己的存储桶，必须字段 */
            Region: UploadUtils.Region,  /* 存储桶所在地域，例如 ap-beijing，必须字段 */
            Key: process.platform==='win32'?activeFile.replaceAll("\\","/"):activeFile,  /* 存储在桶里的对象键（例如1.jpg，a/b/test.txt），必须字段 */
            FilePath: activeFile,                /* 必须 */
            SliceSize: 1024 * 1024 * 5,     /* 触发分块上传的阈值，超过5MB使用分块上传，非必须 */
            onTaskReady: function (taskId) {                   /* 非必须 */
                console.log(taskId);
            },
            onProgress: function (progressData) {           /* 非必须 */
                console.log(JSON.stringify(progressData));
            },
            onFileFinish: function (err, data, options) {   /* 非必须 */
                console.log(options.Key + '上传' + (err ? '失败' : '完成'));
                if (err){
                    dialog.showMessageBoxSync({
                        "message": err,
                        "type": "error",
                        "buttons": ["确认"],
                        "defaultId": 0
                    })
                }else {
                    dialog.showMessageBoxSync({
                        "message": "同步完成",
                        "type": "info",
                        "buttons": ["确认"],
                        "defaultId": 0
                    })
                }
            },
            // 支持自定义headers 非必须
        }, function (err, data) {
            console.log("uploadFile:callback:",err || data);

        });
    }

    static selfDownLoadFile(activeFile) {
        console.log("cos.downloadFile", activeFile)
        UploadUtils.cos.getObject({
            Bucket: UploadUtils.Bucket, /* 填入您自己的存储桶，必须字段 */
            Region: UploadUtils.Region,  /* 存储桶所在地域，例如 ap-beijing，必须字段 */
            Key: process.platform==='win32'?activeFile.replaceAll("\\","/"):activeFile,  /* 存储在桶里的对象键（例如1.jpg，a/b/test.txt），必须字段 */
            Output: activeFile
            // 支持自定义headers 非必须
        }, function (err, data) {
            console.log(err || data);
            if (err){
                dialog.showMessageBoxSync({
                    "message": err,
                    "type": "error",
                    "buttons": ["确认"],
                    "defaultId": 0
                })
            }else {
                dialog.showMessageBoxSync({
                    "message": "同步完成",
                    "type": "info",
                    "buttons": ["确认"],
                    "defaultId": 0
                })
                // 修改store中Md5值
                let persist = UploadUtils.staticStore.get("persist:dirMessage");
                if (persist){
                    let persistObj = JSON.parse(persist)
                    let data1 = persistObj.data;
                    console.log("data1",data1,Array.isArray(data1))
                    let parseArray = JSON.parse(data1, []);
                    let find =parseArray.find(file => file.fileId === activeFile || file.filePath === activeFile);
                    if (find) {
                        find.fileMd5=data.ETag.replaceAll('"',"");
                    }
                    persistObj.data=JSON.stringify(parseArray)
                    UploadUtils.staticStore.set("persist:dirMessage",JSON.stringify(persistObj))
                }
            }
        });
    }

    syncActiveFile() {
        let activeFile = this.getActiveFile();
        console.log("activeFile:", activeFile)
        if (activeFile) {
            let fileMd5 = this.getLocalFileMd5(activeFile);
            UploadUtils.cos.headObject({
                Bucket: UploadUtils.Bucket,
                Region: UploadUtils.Region,
                // 不能以 / 开头
                Key: process.platform==='win32'?activeFile.replaceAll("\\","/"):activeFile,
            }, function (err, data) {
                console.log("err || data.CommonPrefixes" + activeFile, err || data);
                if (data && data.ETag) {
                    // 文件存在，比较MD5值
                    let onlineMd5 = data.ETag.replaceAll('"', "")
                    if (onlineMd5 === fileMd5) {
                        return
                    }
                    console.log("fileList[0].ETag", onlineMd5)
                    dialog.showMessageBox({
                        "message": "云文件已修改是否同步到本地",
                        "type": "info",
                        "buttons": ["是", "否"],
                        "defaultId": 0
                    }).then(result=>{
                        let number = result.response
                        if (number === 0) {
                            UploadUtils.selfDownLoadFile(activeFile)
                        } else if (number === 1) {
                            dialog.showMessageBox({
                                "message": "是否使用本地文件覆盖远程文件",
                                "type": "info",
                                "buttons": ["是", "否"],
                                "defaultId": 0
                            }).then(result=>{
                                if (result.response===0){
                                    UploadUtils.selfUploadFile(activeFile,fileMd5)
                                }
                            })
                        }
                    });
                } else {
                    UploadUtils.selfUploadFile(activeFile,fileMd5)
                }
            });
        }

    }

    syncFile() {
        console.log("同步数据")
        // 1. 先同步active文件数据
        this.syncActiveFile()
        // 2. 同步bar中数据
        // 3. 同步树中的数据。
    }
}

module.exports = UploadUtils