use anyhow::Result;
use reqwest::Client;

use crate::util::{self, api, MemeSorting};

pub async fn run(
    http: &Client,
    cat: Option<String>,
    user: Option<String>,
    sorting: Option<MemeSorting>,
) -> Result<()> {
    // This needs to be done so both users, memes and categories will be requested
    // at once
    let (memes, ..) = tokio::try_join!(
        api::memes(
            http,
            cat.as_ref().map(String::as_ref),
            user.as_ref().map(String::as_ref)
        ),
        async {
            if let Some(c) = cat.as_ref() {
                util::assert_category_exists(http, c).await
            } else {
                Ok(())
            }
        },
        async {
            if let Some(u) = user.as_ref() {
                util::assert_user_exists(http, u).await
            } else {
                Ok(())
            }
        },
    )?;

    let mut memes = memes.iter().collect::<Vec<_>>();

    if let Some(s) = sorting {
        s.sort_with(&mut memes);
    }

    let mut table = util::list_table();

    for m in memes {
        table.add_row(m.into());
    }

    println!("{}", table.render());

    Ok(())
}