use factom::{
  Factom,
  compose::compose_entry, 
  entry::{commit_entry, reveal_entry} 
};
use std::iter;
use rand::{Rng, thread_rng, distributions::Alphanumeric};

const EC_PUB: &str = "EC2MJzCcHqYJyujnPzjitEaHhtEPVBhmEWUKkv4SVaaKeYcq3fqK";
const CHAINID: &str = "72a2fa10b81a8bffde58ea206254f0eaa7928e9e09a4144efb3ba0bb7be26d52";

// This example is for demonstration purposes. There is a helper function
// utils::create_entry which vastly simplifies this process
#[tokio::main]
async fn main() {
  println!("This example assumes you have gone through the create_chain example\
  first");
  let client = Factom::new();
  let rand_ext_id = &random_string(12);
  let ext_ids = vec!("Api Client", "Test Chain", rand_ext_id);
  let content = random_string(32);
  
  let compose_query = compose_entry(&client, CHAINID, ext_ids, &content, EC_PUB);
  let compose_response = compose_query.await.expect("Fetching Query");
  dbg!(&compose_response);
  
  let commit = compose_response.result.commit.params.message;
  let commit_query = commit_entry(&client, &commit);
  let commit_response = commit_query.await.expect("Fetching Query");
  dbg!(&commit_response);

  let reveal = compose_response.result.reveal.params.entry;
  let reveal_query = reveal_entry(&client, &reveal);
  let reveal_response = reveal_query.await.expect("Fetching Query");
  dbg!(&reveal_response);
}

fn random_string(len: usize)-> String {
  let mut rng = thread_rng();
  iter::repeat(())
        .map(|()| rng.sample(Alphanumeric))
        .take(len)
        .collect()
}