#!/bin/bash
# ABOUTME: Shared helper functions and constants for Moonarch scripts.
# ABOUTME: Sourced by post-install.sh.

# Path constants — BASH_SOURCE[1] resolves to the calling script, not lib.sh itself.
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[1]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
OFFICIAL_PACKAGES="$PROJECT_DIR/packages/official.txt"
AUR_PACKAGES="$PROJECT_DIR/packages/aur.txt"
DEFAULTS_DIR="$PROJECT_DIR/defaults"

# --- Helper functions ---

log() {
    echo -e "\e[1;34m[Moonarch]\e[0m $*"
}

err() {
    echo -e "\e[1;31m[Moonarch ERROR]\e[0m $*" >&2
}

read_packages() {
    grep -v '^\s*#' "$1" | grep -v '^\s*$'
}

confirm() {
    read -r -p "$1 [y/N] " response
    [[ "$response" =~ ^[yY]$ ]]
}

# --- Prerequisite checks ---

check_not_root() {
    if [[ $EUID -eq 0 ]]; then
        err "Do NOT run as root. The script uses sudo where needed."
        exit 1
    fi
}

check_pacman() {
    if ! command -v pacman &>/dev/null; then
        err "pacman not found — is this really Arch Linux?"
        exit 1
    fi
}