#!/bin/sh

# sc.requires: logger

detect_package_manager() {
    if command -v apt > /dev/null; then
        echo apt
    elif command -v pacman > /dev/null; then
        echo arch
    elif command -v dnf > /dev/null; then
        echo dnf
    elif command -v yum > /dev/null; then
        echo yum
    elif command -v zypper > /dev/null; then
        echo zypper
    elif command -v brew > /dev/null; then
        echo brew
    elif command -v apk > /dev/null; then
        echo apk
    elif command -v nix-env > /dev/null; then
        echo nix
    else
        fatal_log "no supported package manager found"
        exit 1
    fi
}

SC_PACKAGE_MANAGER="${SC_PACKAGE_MANAGER:-$(detect_package_manager)}"

upgrade_packages() {
    case $SC_PACKAGE_MANAGER in
        apt) apt update && apt upgrade -y ;;
        arch) pacman -Syyu --noconfirm ;;
        dnf) dnf upgrade -y ;;
        yum) yum update -y ;;
        zypper) zypper refresh && zypper update -y ;;
        brew) brew update && brew upgrade ;;
        apk) apk update && apk upgrade ;;
        nix) nix-channel --update && nix-env -u ;;
        *)
            fatal_log "unsupported package manager: $SC_PACKAGE_MANAGER"
            exit 1
            ;;
    esac
}

install_package() {
    [ $# -lt 1 ] && fatal_log "usage: install_package <package>" && exit 1
    package=$1
    case $SC_PACKAGE_MANAGER in
        apt) apt install -y "$package" ;;
        arch) pacman -S --noconfirm "$package" ;;
        dnf) dnf install -y "$package" ;;
        yum) yum install -y "$package" ;;
        zypper) zypper install -y "$package" ;;
        brew) brew install "$package" ;;
        apk) apk add "$package" ;;
        nix) nix-env -iA nixpkgs."$package" ;;
        *)
            fatal_log "unsupported package manager: $SC_PACKAGE_MANAGER"
            exit 1
            ;;
    esac
}