use crate::install::install_scripts;
use crate::util;
use std::fs;
use std::path::PathBuf;

pub fn list_scripts(
    script_repo: &Option<String>,
    filter: Option<&String>,
    update_listed_scripts: bool,
) {
    let script_meta_map = util::fetch_script_meta_or_die(script_repo);

    let mut matched_need_update_scripts = vec![];
    let mut messages = vec![];
    for script_meta in script_meta_map.values() {
        let script_name = &script_meta.script_name;
        if let Some(filter) = filter {
            if !script_name.contains(filter) {
                // NOT CONTAINS `filter`, SKIP
                continue;
            }
        }

        let user_home = util::get_user_home_or_die();
        let full_script_path = PathBuf::from(&user_home).join("bin").join(script_name);
        let is_script_exists = full_script_path.is_file();
        let script_sha256 = if is_script_exists {
            let script_content = fs::read(&full_script_path).unwrap_or(vec![]);
            sha256::digest(&script_content)
        } else {
            "".to_string()
        };
        let is_script_matches = script_sha256 == script_meta.script_sha256;
        let script_size = rust_util::util_size::get_display_size(script_meta.script_length as i64);
        let padding_length = 40 - script_name.len();
        messages.push(format!(
            "- {} {} {} {}",
            iff!(is_script_exists, iff!(is_script_matches, "✅", "✔️ "), "➖"),
            script_name,
            ".".repeat(iff!(padding_length < 1, 1, padding_length)),
            script_size,
        ));
        if is_script_exists && !is_script_matches {
            matched_need_update_scripts.push(script_meta.script_name.clone());
        }
    }
    if filter.is_some() {
        messages.insert(
            0,
            format!(
                "Total {} script(s), found {} script(s):",
                script_meta_map.len(),
                messages.len()
            ),
        );
    } else {
        messages.insert(0, format!("Found {} script(s):", script_meta_map.len()));
    }
    success!("{}", messages.join("\n"));

    if update_listed_scripts {
        if matched_need_update_scripts.len() > 0 {
            information!(
                "Update listed scripts ON:\n- {}\n",
                matched_need_update_scripts.join("\n- ")
            );
            install_scripts(script_repo, &matched_need_update_scripts);
        } else {
            information!("No update listed scripts");
        }
    }
}