use crate::{db::{lists_insert, lists_remove, config_change_current_list, config_get_current_list, lists_get, lists_version}, Modloader, config::Cfg, input::{Input, ListOptions}, cmd_update, error::MLE};

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct List {
    pub id: String,
    pub mc_version: String,
    pub modloader: Modloader,
    pub download_folder: String,
}

pub async fn list(config: Cfg, input: Input) -> MLE<()> {

    match input.clone().list_options.unwrap() {
        ListOptions::Add => {
            add(config, input)
        },
        ListOptions::Change => {
            change(config, input)
        },
        ListOptions::Remove => {
            remove(config, input)
        },
        ListOptions::Version => {
            version(config, input).await
        }
    }
}

pub fn get_current_list(config: Cfg) -> MLE<List> {
    let id = config_get_current_list(config.clone())?;
    lists_get(config, id)
}

fn add(config: Cfg, input: Input) -> MLE<()> {
    let id = input.list_id.unwrap();
    let mc_version = input.list_mcversion.unwrap();
    let mod_loader = input.modloader.unwrap();
    let download_folder = input.directory.unwrap();
    lists_insert(config, id, mc_version, mod_loader, download_folder)
}

fn change(config: Cfg, input: Input) -> MLE<()> {
    println!("Change default list to: {}", input.clone().list.unwrap().id);
    config_change_current_list(config, input.list.unwrap().id)
}

fn remove(config: Cfg, input: Input) -> MLE<()> {
    lists_remove(config, input.list.unwrap().id)
}

///Changing the current lists version and updating it
///
/// #Arguments
/// 
/// * `config` - The current config
/// * `args` - All args, to extract the new version
async fn version(config: Cfg, input: Input) -> MLE<()> {
    println!("Change version for list {} to minecraft version: {}", input.clone().list.unwrap().id, input.clone().list_mcversion.unwrap());

    lists_version(config.clone(), input.clone().list.ok_or("").unwrap().id, input.clone().list_mcversion.ok_or("").unwrap())?;
    
    //Linebreak readability
    println!("");

    println!("Check for updates for new minecraft version in list {}", input.clone().list.unwrap().id);
    cmd_update(config, vec![input.list.ok_or("").unwrap()], true, input.direct_download, input.delete_old).await
}