const importUtil = import("util")
const importPath = import("path")

const versionLocal = function() {
    const metaBin = importPath.pathMetaBin()
    const versionFile = '{}/{}'.format(metaBin, 'version')
    if (importUtil.guaFileExist(versionFile)) {
        const c = 'cat {}'.format(versionFile)
        const r = importUtil.call(c)
        return importUtil.guaStringToInt(r)
    } else {
        return 0
    }
}

const versionRemote = function() {
    const c = 'curl https://gitee.com/kuaibiancheng/store/raw/master/version'
    const r = importUtil.call(c)
    var version = importUtil.guaStringToInt(r)
    return version
}

const checkVersion = function() {
    const l = versionLocal()
    const r = versionRemote()

    const isOldVersion = r > l
    return isOldVersion
}

const replaceMeta = function() {
    // 先把代码下载下来到临时目录
    // 复制代码到 meta bin
    // 删除临时目录
    const pathTmp = '{}/tmp_repo'.format(importPath.pathHome())
    const repoUrl = 'https://gitee.com/kuaibiancheng/store'
    const commandGit = 'git clone --depth=1 {} {}'.format(repoUrl, pathTmp)
    importUtil.call(commandGit)
    const pathMetaBin = importPath.pathMetaBin()
    const commandCp = 'cp -r {}/* {}'.format(pathTmp, pathMetaBin)
    importUtil.call(commandCp)

    updateGualang(pathTmp)
    importUtil.guaFileRm(pathTmp)
}

const updateGualang = function(repoPath) {
    const c1 = 'cp {}/gualang/* /usr/local/axe/meta'.format(repoPath)
    const c2 = "chmod +x /usr/local/axe/meta/gualang"
    importUtil.callWithoutOutput(c1)
    importUtil.callWithoutOutput(c2)
}

const clear = function() {
    const pathOutput = importPath.pathAsyncOutput()
    importUtil.guaFileRm(pathOutput)
}

const updateStore = function() {
    clear()
    const isOldVersion = checkVersion()
    if (isOldVersion) {
        replaceMeta()
        return true
    } else {
        return false
    }
}