ferium 4.3.2

Fast CLI program for managing Minecraft mods and modpacks from Modrinth, CurseForge, and Github Releases
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use super::switch;
use crate::THEME;
use anyhow::{bail, Result};
use dialoguer::Select;
use libium::config::structs::Config;

pub fn delete(config: &mut Config, modpack_name: Option<String>) -> Result<()> {
    // If the modpack name has been provided as an option
    let selection = if let Some(modpack_name) = modpack_name {
        match config
            .modpacks
            .iter()
            .position(|modpack| modpack.name == modpack_name)
        {
            Some(selection) => selection,
            None => bail!("The modpack name provided does not exist"),
        }
    } else {
        let modpack_names = config
            .modpacks
            .iter()
            .map(|modpack| &modpack.name)
            .collect::<Vec<_>>();

        let selection = Select::with_theme(&*THEME)
            .with_prompt("Select which modpack to delete")
            .items(&modpack_names)
            .default(config.active_modpack)
            .interact_opt()?;
        if let Some(selection) = selection {
            selection
        } else {
            return Ok(());
        }
    };
    config.modpacks.swap_remove(selection);

    // If the currently selected modpack is being removed
    if config.active_modpack == selection {
        // And there is more than one modpack
        if config.modpacks.len() > 1 {
            // Let the user pick which modpack to switch to
            switch(config, None)?;
        } else {
            config.active_modpack = 0;
        }
    }
    Ok(())
}