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//! Deploy keys interface
//! This [this document](https://developer.github.com/guides/managing-deploy-keys/) for motivation and use
extern crate serde_json;

use self::super::{Github, Result};
use rep::{Key, KeyOptions};

pub struct Keys<'a> {
    github: &'a Github<'a>,
    owner: String,
    repo: String,
}

impl<'a> Keys<'a> {
    pub fn new<O, R>(github: &'a Github<'a>, owner: O, repo: R) -> Keys<'a>
        where O: Into<String>,
              R: Into<String>
    {
        Keys {
            github: github,
            owner: owner.into(),
            repo: repo.into(),
        }
    }

    fn path(&self, more: &str) -> String {
        format!("/repos/{}/{}/keys{}", self.owner, self.repo, more)
    }

    pub fn create(&self, key: &KeyOptions) -> Result<Key> {
        let data = try!(serde_json::to_string::<KeyOptions>(key));
        self.github.post::<Key>(&self.path(""), data.as_bytes())
    }

    pub fn list(&self) -> Result<Vec<Key>> {
        self.github.get::<Vec<Key>>(&self.path(""))
    }

    pub fn get(&self, id: u64) -> Result<Key> {
        self.github.get::<Key>(&self.path(&format!("/{}", id)))
    }

    pub fn delete(&self, id: u64) -> Result<()> {
        self.github
            .delete(&self.path(&format!("/{}", id)))
            .map(|_| ())
    }
}