#!/bin/bash

#Dependencies : you'll need a dmenu-like to run this script.
#On debian and debian-like distros (ubuntu, mint...), simply run:
# sudo apt install dmenu

#Edit this line to meet your installation
factorio_dir="/DATA/Games/factorio"

cd $factorio_dir/saves

#Ask the user to select a save
save=$(ls -t *.zip | grep -v autosave | rev | cut -d "." -f 2- | rev | dmenu)

test $? -ne 0 && echo "No save selected" && exit 1

#Check if a modlist exists for that save
if test -s mod-list.json_$save ; then
	modlist=$save
else
	#Otherwise, prompt to load another modlist
	modlist=$(ls -t mod-list.json_* | cut -d "_" -f 2- | dmenu -p "No mod list found for savegame $save. Select mod list from available: ")
	
	test $? -ne 0 && echo "No modlist selected" && exit 1
	
	#And prompt to save it for later
	echo -e "yes\nno" | dmenu -p "Save selected modlist for savegame $save ?" | grep "yes" && cp mod-list.json_$modlist mod-list.json_$save && modlist=$save
fi

#Link that modlist to the file read by factorio
ln -fs ../saves/mod-list.json_$modlist ../mods/mod-list.json


#Launch the game and the requested save
cd ..
echo "$factorio_dir/bin/x64/factorio --load-game $factorio_dir/saves/$save.zip"
$factorio_dir/bin/x64/factorio --load-game $factorio_dir/saves/$save.zip