mod mods;
use mods::{
    clearcache::clearcache,
    clone::clone,
    help::help,
    inssort::{
        inssort,
        inssort_from_file},
    install::install,
    purge::{
        purge,
        purge_from_file},
    search::{
        a_search,
        r_search},
    strs::err_rec, 
    strs::err_unrec, 
    strs::inf, 
    uninstall::{
        uninstall,
        uninstall_from_file},
        update::update,
    upgrade::upgrade, 
    ver::ver, 
    xargs::*,
    statpkgs::rebuild,
    database::{
        add_pkg,
        create_database,
    },
};
use std::{
    env,
    process::exit
};

fn main() {

    if nix::unistd::Uid::effective().is_root() { // check if user runs ame as root
        err_unrec(format!("Do not run ame as root! this can cause serious damage to your system!"));
    }

    let args: Vec<String> = env::args().skip(1).collect();
    let mut pkgs: Vec<String> = env::args().skip(2).collect();

    if args.len() <= 0 {
        help();
        exit(1);
    }

    let file = format!("{}/crystal/ame/aur_pkgs.db", env::var("HOME").unwrap());
    if !std::path::Path::new(&file).exists() {
        create_database();
    }

    let oper = &args[0];
    let noconfirm: bool = noconf(&args);

    argssort(&mut pkgs);
    match oper.as_str() { // match oper
        "-S" | "-Sn" | "ins" => {
            inssort(noconfirm, false, pkgs); // install
        }
        "-Sl" | "-Sln" | "insl" => {
            inssort_from_file(noconfirm, false, &pkgs[0]); // install from file
        }
        "-B" | "-Bn" | "build" => {
            //rebuild(noconfirm); // install as a dependency
            add_pkg(noconfirm, &pkgs[0]);
        }
        "-R" | "-Rn" | "rm" => {
            uninstall(noconfirm, pkgs); // uninstall
        }
        "-Rs" | "-Rsn" | "purge" => {
            purge(noconfirm, pkgs); // purge
        }
        "-Rl" | "-Rln" | "rml" => {
            uninstall_from_file(noconfirm, &pkgs[0]); // uninstall from file
        }
        "-Rsl" | "-Rsln" | "purgel" => {
            purge_from_file(noconfirm, &pkgs[0]); // purge from file
        }
        "-Syu" | "-Syun" | "upg" => {
            upgrade(noconfirm); // upgrade
        }
        "-Sy" | "upd" => {
            update(); // update
        }
        "-Ss" | "sea" => {
            r_search(&args[1]); // search for packages in the repository
            a_search(&args[1]); // search for packages in the aur
        }
        "-Sa" | "aursea" => {
            a_search(&args[1]); // search for packages in the aur
        }
        "-Sr" | "repsea" => {
            r_search(&args[1]); // search for packages in the repository
        }
        "-Cc" | "clr" => {
            clearcache(); // clear cache
        }
        "-v" | "-V" | "ver" => {
            ver(); // version
        }
        "-h" | "help" => {
            help(); // help
        }
        _ => { // if oper is not valid it either passes the args to pacman or prints an error
                let pass = runas::Command::new("pacman")
                .args(&args)
                .status()
                .expect("Something has gone wrong.");

            match pass.code() {
                Some(1) => {
                    err_rec(format!("No such operation \"{}\"", args.join(" ")));
                    inf(format!(
                        "Try running \"ame help\" for an overview of how to use ame"
                    ))
                }
                Some(_) => {}
                None => err_unrec(format!("Something has gone terribly wrong.")),
            }
        }
    }
}