use crate::utils;

use std::env;
use std::process::exit;
use tokio::task::JoinHandle;
use std::collections::BTreeMap;
extern crate tokio;
extern crate reqwest;

pub async fn run(args: env::Args) {
    let sauces = utils::get_arg_sauces(args).unwrap();
    let mut remaining_to_show = sauces.len();
    if remaining_to_show < 1 {
        eprintln!("Missing sauce(s)");
        exit(1);
    }
    let client = reqwest::Client::new();
    let mut handles: Vec<JoinHandle<String>> = Vec::new();
    for sauce in sauces {
        let cloned_client = client.clone();
        handles.push(tokio::spawn(async move {
            let sauce_info = utils::get_sauce_info(cloned_client, sauce).await.unwrap();
            let mut text = format!("Sauce: {}\nTitle: ", sauce_info.id);
            let japanese_title = &sauce_info.title.japanese.unwrap_or_default();
            let english_title = &sauce_info.title.english.unwrap_or_default();
            if english_title.as_str() != "" {
                text.push_str(&english_title);
                if japanese_title.as_str() != "" {
                    text.push_str(&format!("\nJapanese Title: {}", &japanese_title));
                }
            } else {
                text.push_str(&japanese_title);
            }
            let mut tag_hashmap = BTreeMap::new();
            for tag_info in sauce_info.tags {
                let tag_key = tag_info.r#type;
                let tag_value = tag_info.name;
                let tag_vec = tag_hashmap.entry(tag_key).or_insert(Vec::new());
                tag_vec.push(tag_value);
            }
            for (tag_key, tag_value) in &tag_hashmap {
                let tag_key = match tag_key.as_str() {
                    "tag" => "Tags",
                    "artist" => "Artists",
                    "parody" => "Parodies",
                    "character" => "Characters",
                    "group" => "Groups",
                    "language" => "Languages",
                    "category" => "Categories",
                    _ => tag_key
                };
                text.push_str(&format!("\n{}: {}", tag_key, tag_value.join(", ")));
            }
            text.push_str(&format!("\nPages: {}\nFavorites: {}", sauce_info.num_pages, sauce_info.num_favorites));
            text
        }));
    }
    for handle in handles {
        println!("{}", handle.await.unwrap());
        if remaining_to_show > 1 {
            println!("");
            remaining_to_show -= 1;
        }
    }
}