import {DownloadBeginCallbackResult, DownloadProgressCallbackResult, DownloadResult} from "react-native-fs";

export type IFs = {
    /**
     * 获取静态资产目录路径
     */
    getAssetsPath: () => string
    /**
     * 获取外部目录路径
     */
    getExternalPath: () => string
    /**
     * 获取安卓下载目录路径
     */
    getAndroidDownloadPath: () => string
    /**
     * 创建文件夹
     * @param path      文件夹路径
     */
    mkdir: (path: string) => void
    /**
     * 读取文件
     * @param path      文件路径
     */
    readFile: (path: string) => Promise<string>
    /**
     * 读取app静态文件
     * @param path
     */
    readFileAssets: (path: string) => Promise<string>
    /**
     * 写入
     * @param path      文件路径
     * @param content   文件内容
     * @param encoding  编码类型
     */
    white: (path: string, content: string, encoding?: string) => void
    /**
     * 判断文件是否存在
     * @param path      文件路径
     */
    has: (path: string) => Promise<boolean>
    /**
     * 删除文件
     * @param path      文件路径
     */
    remove: (path: string) => Promise<boolean>
    /**
     * 下载
     * @param fromLink      下载地址
     * @param toFilePath    保存路径
     * @param params
     */
    download: (fromLink: string, toFilePath: string, params?: IFsDownloadParams) => void
    /**
     * 暂停下载
     * @param jobId     下载编号
     */
    downloadStop: (jobId: string) => void
}

export type IFsDownloadParams = {
    headers?: any
    beginCallback?: (res: DownloadBeginCallbackResult) => void
    progressCallback?: (res: IFsDownloadProgressParams) => void
    progressDivider?: number
    successCallback?: (res?: DownloadResult) => void
    errorCallback?: (err: string) => void
}

export type IFsDownloadProgressParams = DownloadProgressCallbackResult & {
    //  百分比
    readonly percentage: number
    //  比例
    readonly ratio: number
    //  总大小
    readonly totalSize: number
    //  当前大小
    readonly currentSize: number
}