#!/bin/bash

# Read the dist/packages.txt and install packages using pacman

PACKAGES_FILE="dist/packages.txt"

if [ ! -f "$PACKAGES_FILE" ]; then
    echo "Packages file not found: $PACKAGES_FILE"
    exit 1
else
    mapfile -t packages < "$PACKAGES_FILE"
    pacman -Syu --noconfirm "${packages[@]}"
fi


ARCH_PACKAGE_FILE="dist/arch/packages.txt"

if [ ! -f "$ARCH_PACKAGE_FILE" ]; then
    echo "Arch-specific packages file not found: $ARCH_PACKAGE_FILE"
    exit 1
else
    mapfile -t arch_packages < "$ARCH_PACKAGE_FILE"
    pacman -Syu --noconfirm "${arch_packages[@]}"
fi

if command -v paru &> /dev/null; then
    echo "paru is already installed. Reinstalling..."
else
    git clone https://aur.archlinux.org/paru.git
    cd paru
    
    # Check if $USER is root and if so add a temporary non-root user for building paru
    if [ "$EUID" -eq 0 ]; then
        echo "Building paru as root is not allowed. Creating a temporary user for building..."
        TEMP_USER="tempuser"
        useradd -m "$TEMP_USER"
        chown -R "$TEMP_USER":"$TEMP_USER" .
        login $TEMP_USER
        echo "Building paru as user $TEMP_USER..."
        makepkg -si --noconfirm
        logout
        userdel -r "$TEMP_USER"
    else
        echo "Building paru as user $USER..."
        makepkg -si --noconfirm
    fi
    
    cd ..
    rm -rf paru
fi