#!/usr/bin/env bash

function RAM(){
	local OUT_FILE=$1
	# Read RAM information
	ram_info=$(sudo dmidecode -t memory)
	# Get memory type
	ram_type=$(echo "$ram_info" | awk -F': ' '/^[[:space:]]*Type:/ && $2 !~ /Unknown/ {print $2; exit}')
	# Get module sizes
	modules=$(echo "$ram_info" | awk '
	/^[[:space:]]*Size:/ {
    	if ($0 !~ /No Module Installed/ && $2 ~ /^[0-9]+$/)
        	print $2
	}
	')	
	# Count empty slots
	empty_slots=$(echo "$ram_info" | awk '
	/^[[:space:]]*Size:/ {
    	if ($0 ~ /No Module Installed/)
        	count++
	}
	END {
    		print count+0
	}
	')
	
	# Calculate total RAM and format modules
	total=0
	sizes=""

	for size in $modules; do
    		total=$((total + size))
    		if [ -z "$sizes" ]; then
        		sizes="${size} GB"
    		else
        		sizes="${sizes} + ${size} GB"
    		fi
	done

	# Output
	if [ -z "$modules" ]; then
    		echo -e "RAM: No modules detected - ${empty_slots} empty slots ${ram_type}" >>"$OUT_FILE"
	else
    		echo -e "RAM: ${total} GB - ${sizes} ${ram_type} - ${empty_slots} empty slots" >>"$OUT_FILE"
	fi 
}