extern crate serde_json;

use serde_derive::{Deserialize, Serialize};
use serde_json::{Error, Value};

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
struct Input {
    #[serde(default = "stranger")]
    name: String,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
struct Output {
    greeting: String,
}

fn stranger() -> String {
    "stranger".to_string()
}

pub fn main(args: Value) -> Result<Value, Error> {
    // has no split, just return array, need to receive this value in next action(sort)
    let output = ["a", "b"];
    serde_json::to_value(output)
}

extern crate serde_json;

use serde_derive::{Deserialize, Serialize};
use serde_json::{Error, Value};

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
struct Input {
    #[serde(default = "stranger")]
    name: String,
}

#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
struct Output {
    greeting: String,
}

fn stranger() -> String {
    "stranger".to_string()
}

pub fn main(args: Value) -> Result<Value, Error> {
    println!("param args is {}", args);

    let inputParam = args.as_array();
    println!("input param as array is {:?}", inputParam);

    let defaultOutput = ["finally-a", "finally-b"];
    match inputParam {
       None => serde_json::to_value(defaultOutput),
       Some(x) => serde_json::to_value(x),
    }
}