use memcache;

use crate::note::now;
use crate::note::Note;

lazy_static! {
  static ref CLIENT: memcache::Client = memcache::connect(format!(
    "memcache://{}?timeout=10&tcp_nodelay=true",
    std::env::var("MEMCACHE").unwrap_or("127.0.0.1:11211".to_string())
  ))
  .unwrap();
}

pub fn set(id: &String, note: &Note) {
  let serialized = serde_json::to_string(&note.clone()).unwrap();
  let expiration: u32 = match note.expiration {
    Some(e) => e - now(),
    None => 0,
  };
  CLIENT.set(id, serialized, expiration).unwrap();
}

pub fn get(id: &String) -> Option<Note> {
  let value: Option<String> = CLIENT.get(&id).unwrap();
  match value {
    None => return None,
    Some(s) => {
      let deserialize: Note = serde_json::from_str(&s).unwrap();
      return Some(deserialize);
    }
  }
}

pub fn del(id: &String) {
  CLIENT.delete(id).unwrap();
}