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// run-pass

#![allow(non_camel_case_types)]
#![allow(dead_code)]

use std::collections::{BTreeMap, HashMap};
use std::option;

#[derive(Clone, Debug)]
enum Json {
    I64(i64),
    U64(u64),
    F64(f64),
    String(String),
    Boolean(bool),
    Array(Array),
    Object(Object),
    Null,
}

type Array = Vec<Json>;
type Object = BTreeMap<String, Json>;

enum object {
    bool_value(bool),
    int_value(i64),
}

fn lookup(table: Object, key: String, default: String) -> String
{
    match table.get(&key) {
        option::Option::Some(&Json::String(ref s)) => {
            s.to_string()
        }
        option::Option::Some(value) => {
            println!("{} was expected to be a string but is a {:?}", key, value);
            default
        }
        option::Option::None => {
            default
        }
    }
}

fn add_interface(_store: isize, managed_ip: String, data: Json) -> (String, object)
{
    match &data {
        &Json::Object(ref interface) => {
            let name = lookup(interface.clone(),
                              "ifDescr".to_string(),
                              "".to_string());
            let label = format!("{}-{}", managed_ip, name);

            (label, object::bool_value(false))
        }
        _ => {
            println!("Expected dict for {} interfaces, found {:?}", managed_ip, data);
            ("gnos:missing-interface".to_string(), object::bool_value(true))
        }
    }
}

fn add_interfaces(store: isize, managed_ip: String, device: HashMap<String, Json>)
-> Vec<(String, object)> {
    match device["interfaces"] {
        Json::Array(ref interfaces) =>
        {
          interfaces.iter().map(|interface| {
                add_interface(store, managed_ip.clone(), (*interface).clone())
          }).collect()
        }
        _ =>
        {
            println!("Expected list for {} interfaces, found {:?}", managed_ip,
                     device["interfaces"]);
            Vec::new()
        }
    }
}

pub fn main() {}