import OSS from 'ali-oss';
function getEndpoint(RegionID) {
    return `oss-${RegionID}.aliyuncs.com`;
}
const ALiYun_ENDPOINT_LIST = {
    'cn-hangzhou': {
        ul: getEndpoint('cn-hangzhou'),
    },
    'cn-shanghai': {
        ul: getEndpoint('cn-shanghai'),
    },
    'cn-nanjing': {
        ul: getEndpoint('cn-nanjing'),
    },
    'cn-fuzhou': {
        ul: getEndpoint('cn-fuzhou'),
    },
    'cn-wuhan': {
        ul: getEndpoint('cn-wuhan'),
    },
    'cn-qingdao': {
        ul: getEndpoint('cn-qingdao'),
    },
    'cn-beijing': {
        ul: getEndpoint('cn-beijing'),
    },
    'cn-zhangjiakou': {
        ul: getEndpoint('cn-zhangjiakou'),
    },
    'cn-huhehaote': {
        ul: getEndpoint('cn-huhehaote'),
    },
    'cn-wulanchabu': {
        ul: getEndpoint('cn-wulanchabu'),
    },
    'cn-shenzhen': {
        ul: getEndpoint('cn-shenzhen'),
    },
    'cn-heyuan': {
        ul: getEndpoint('cn-heyuan'),
    },
    'cn-guangzhou': {
        ul: getEndpoint('cn-guangzhou'),
    },
    'cn-chengdu': {
        ul: getEndpoint('cn-chengdu'),
    },
    'cn-hongkong': {
        ul: getEndpoint('cn-hongkong'),
    },
    'us-west-1': {
        ul: getEndpoint('us-west-1'),
    },
    'us-east-1': {
        ul: getEndpoint('us-east-1'),
    },
    'ap-northeast-1': {
        ul: getEndpoint('ap-northeast-1'),
    },
    'ap-northeast-2': {
        ul: getEndpoint('ap-northeast-2'),
    },
    'ap-southeast-1': {
        ul: getEndpoint('ap-southeast-1'),
    },
    'ap-southeast-2': {
        ul: getEndpoint('ap-southeast-2'),
    },
    'ap-southeast-3': {
        ul: getEndpoint('ap-southeast-3'),
    },
    'ap-southeast-5': {
        ul: getEndpoint('ap-southeast-5'),
    },
    'ap-southeast-6': {
        ul: getEndpoint('ap-southeast-6'),
    },
    'ap-southeast-7': {
        ul: getEndpoint('ap-southeast-7'),
    },
    'ap-south-1': {
        ul: getEndpoint('ap-south-1'),
    },
    'eu-central-1': {
        ul: getEndpoint('eu-central-1'),
    },
    'eu-west-1': {
        ul: getEndpoint('eu-west-1'),
    },
    'me-east-1': {
        ul: getEndpoint('me-east-1'),
    },
    'rg-china-mainland': {
        ul: getEndpoint('rg-china-mainland'),
    },
};
export class ALiYunInstance {
    accessKey;
    secretKey;
    constructor(accessKey, secretKey) {
        this.accessKey = accessKey;
        this.secretKey = secretKey;
    }
    getUploadInfo(bucket, zone, key) {
        try {
            const signInfo = this.getSignInfo(bucket);
            return {
                key,
                accessKey: this.accessKey,
                policy: signInfo.policy,
                signature: signInfo.signature,
                uploadHost: `https://${bucket}.${ALiYun_ENDPOINT_LIST[zone].ul}`,
                bucket,
            };
        }
        catch (err) {
            throw err;
        }
    }
    //https://help.aliyun.com/zh/oss/user-guide/form-upload?spm=a2c4g.11186623.0.0.22147f6b1UaGxF#6ee9b6b0be6on
    getSignInfo(bucket) {
        const client = new OSS({
            accessKeyId: this.accessKey,
            accessKeySecret: this.secretKey,
            bucket: bucket,
        });
        const now = new Date();
        now.setDate(now.getDate() + 1);
        const policy = {
            expiration: now.toISOString(),
            conditions: [
                // 设置上传文件的大小限制。
                ['content-length-range', 0, 1048576000],
                // 限制可上传的Bucket。
                { bucket: bucket },
            ],
        };
        const data = client.calculatePostSignature(policy);
        return {
            policy: data.policy,
            signature: data.Signature,
            ossAccessKeyId: data.OSSAccessKeyId,
        };
    }
    async removeFile(srcBucket, zone, srcKey) {
        const client = new OSS({
            // oss-cn-hangzhou填写Bucket所在地域。以华东1（杭州）为例，Region填写为oss-cn-hangzhou。
            region: `oss-${zone}`,
            accessKeyId: this.accessKey,
            accessKeySecret: this.secretKey,
            // 填写Bucket名称。
            bucket: srcBucket,
        });
        try {
            // 填写Object完整路径。Object完整路径中不能包含Bucket名称。
            const result = await client.delete(srcKey);
            return result;
        }
        catch (error) {
            throw error;
        }
    }
    async isExistObject(srcBucket, zone, srcKey) {
        const client = new OSS({
            // yourregion填写Bucket所在地域。以华东1（杭州）为例，Region填写为oss-cn-hangzhou。
            region: `oss-${zone}`,
            accessKeyId: this.accessKey,
            accessKeySecret: this.secretKey,
            bucket: srcBucket,
        });
        let result;
        try {
            result = await client.head(srcKey);
            return true;
        }
        catch (error) {
            if (error.code === 'NoSuchKey') {
                return false;
            }
            throw error;
        }
    }
}