use crate::{
    table::{list_table, JMTableEntry, TableExt},
    util,
};
use anyhow::Result;
use libjens::{api::Meme, util::MemeSorting, JMClient};

pub async fn run(
    client: &JMClient,
    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!(
        async { client.get_memes().await.map_err(|e| e.into()) },
        async {
            if let Some(c) = cat.as_ref() {
                util::assert_category_exists(client, c).await
            } else {
                Ok(())
            }
        },
        async {
            if let Some(u) = user.as_ref() {
                util::assert_user_exists(client, u).await
            } else {
                Ok(())
            }
        },
    )?;

    let mut memes = memes
        .iter()
        .filter(|m| cat.as_ref().map(|c| &m.category == c).unwrap_or(true))
        .filter(|m| user.as_ref().map(|u| &m.user == u).unwrap_or(true))
        .collect::<Vec<_>>();

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

    println!(
        "{}",
        list_table()
            .type_header::<Meme>()
            .add_rows(memes.into_iter().cloned().map(JMTableEntry))
    );

    Ok(())
}