///
/// Dependencies:
///
/// # This library is meant to be used on development or testing environments
/// # in which setting environment variables is not practical.
/// dotenv = "^0.13"
///
/// Requirements:
///
/// To run this example you need to create a archive named ``.env`` in the root of the directory with the following info
/// MAILCHIMP_API_KEY=<API KEY>
///
use dotenv::dotenv;
use std::env;

use mailchimp::MailchimpApi;
use mailchimp::{CampaignFilter, Campaigns};
use std::collections::HashMap;

fn main() {
    // Init dotenv
    dotenv().ok();
    // Filter the env vars to get the Mailchimp Credential
    // mailchimp
    let mut env_mailchimp = env::vars().filter(|e| e.0.to_string().contains("MAILCHIMP_"));
    let apk = env_mailchimp.next().unwrap().1;
    // Init API
    let api = MailchimpApi::new(&apk);

    // Get all campaigns in an account.
    let mut campaign_id = String::new();
    let r_campaigns = Campaigns::new(api);

    let mut count = 0;
    for w in r_campaigns.iter(CampaignFilter::default()) {
        count += 1;
        campaign_id = w.id.as_ref().unwrap().to_string();
        println!("\n Campaign {:}", count);
        println!("\t Campaign ID    {:?}", campaign_id);
        println!("\t Campaign Type    {:?}", w.campaign_type);
        println!("\t Campaign Title   {:?}", w.settings.unwrap().title);
        println!("\t Emails Sent   {:?}", w.emails_sent.unwrap());
        if let Some(rs) = w.report_summary {
            println!("\t Report Summary   {:?}", rs);
        }
        if let Some(rs) = w.delivery_status {
            println!("\t Report Summary   {:?}", rs);
        }
        println!("=============================================");
    }

    // Get information about a specific campaign.
    let r_camp = r_campaigns.get_campaign_info(campaign_id.as_str(), HashMap::new());
    match r_camp {
        Ok(campaign) => {
            println!("\nCampaign");
            println!("\tid    {:?}", campaign.id.as_ref().unwrap());
            println!(
                "\tCampaign Title   {:?}",
                campaign.settings.as_ref().unwrap().title
            );

            match &campaign.get_content(None, None) {
                Ok(content) => {
                    println!("Content: ");
                    println!("Variate Contents: {:?}", content.variate_contents);
                    println!("Plain Text: {:?}", content.plain_text);
                    println!("HTML: {:?}", content.html);
                }
                Err(e) => {
                    println!("Content Error: {:?}", e);
                }
            }
        }
        Err(e) => println!("{:?}", e),
    };
}