function getDefaultOptionsFromServer(server) {
    const server1 = Array.isArray(server) ? server[0] : server
    if (typeof server1 === 'object' && server1 !== null) {
        return server1
    }
}

module.exports = function(options, server) {
    const serverOptions = getDefaultOptionsFromServer(server)
    let {redisOptions} = options
    if (redisOptions === undefined) {
        redisOptions = {}
        options.redisOptions = redisOptions
    }
    if (redisOptions.password === undefined) {
        redisOptions.password = serverOptions.password
    }
    if (typeof serverOptions.tlsCa === 'string' && serverOptions.tlsCa.trim() !== '') {
        redisOptions.tls = {
            rejectUnauthorized:false,
            cert: serverOptions.tlsCrt,
            key: serverOptions.tlsKey,
            ca: serverOptions.tlsCa,
        }
    }
    return options
}