#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..."

ynh_systemd_action --service_name=$app --action="stop"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."

# If game doesn't exist, create it
if [ -z $game ]; then
	game="minetest_game"
	ynh_app_setting_set --app=$app --key=game --value=$game
fi

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
fi

chmod -R o-rwx "$install_dir"
chown -R $app:$app "$install_dir"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# BUILDING
#=================================================
ynh_script_progression --message="Building Minetest..."

# Install the game
if [ $game = "capturetheflag" ]; then
	# Download Capture The Flag
	ynh_setup_source --dest_dir=$install_dir/games/capturetheflag --source_id=capturetheflag
elif [ $game = "mineclonia" ]; then
	# Download Mineclonia
	ynh_setup_source --dest_dir=$install_dir/games/mineclonia --source_id=mineclonia
else
	# Download Minetest Game
	ynh_setup_source --dest_dir=$install_dir/games/minetest_game --source_id=minetest_game
fi

# Install IrrlichtMt
ynh_setup_source --dest_dir=$install_dir/lib/irrlichtmt --source_id=irrlichtmt

pushd $install_dir
	ynh_exec_warn_less cmake . -DRUN_IN_PLACE=TRUE -DENABLE_LUAJIT=TRUE -DBUILD_CLIENT=FALSE -DBUILD_SERVER=TRUE

	ynh_exec_warn_less make -j$(nproc)
popd

#=================================================
# COPY CONFIG FILE
#=================================================

if [ -e $data_dir ]
then
	echo "Nothing to do..."
else
	mkdir -p $data_dir/.minetest/
	mkdir $data_dir/.minetest/worlds/
fi

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

ynh_add_config --template="minetest.conf" --destination="$data_dir/.minetest/minetest.conf"

chmod 400 "$data_dir/.minetest/minetest.conf"
chown $app:$app "$data_dir/.minetest/minetest.conf"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..."

# Create a dedicated systemd config
ynh_add_systemd_config

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

yunohost service add $app --description="Voxel game engine and game" --log="/var/log/$app/$app.log" --needs_exposed_ports="$port"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log" --line_match="listening on"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed"