#!/bin/bash

set -e

ARMA_MOD_VOLUME="arma3_dev_mods"

# Check if argument is given
if [ -z "$1" ]; then
    echo "No argument given. Use workshop id as argument. e.g. 1400118996"
    exit 1
fi


PAYLOAD=$(cat <<EOF
set -e

WORKSHOP_DIR="/home/steam/Steam/steamapps/workshop/content"
MOD_DIR="\$WORKSHOP_DIR/107410"

mkdir -p \$WORKSHOP_DIR
ln -s /home/steam/mount "\$MOD_DIR"

echo -n "Username: "
read username

echo "Perform initial login."

/home/steam/steamcmd/steamcmd.sh +login \$username +quit

tmpFile=$(mktemp)

for mod_id in \$(curl -s "https://steamcommunity.com/sharedfiles/filedetails/?id=$1" | grep -E 'id="sharedfile_[0-9]+"' | sed 's/.*id="sharedfile_\([0-9]\+\)".*/\1/')
do
	{ 
		echo "// autogenerated DONT TOUCH";
        echo -e "@ShutdownOnFailedCommand 1";
        echo -e "@NoPromptForPassword 1"
        echo "login \$username";
        echo "workshop_download_item 107410 \$mod_id validate";
        echo "quit";
    } > "\$tmpFile"

    echo "### DOWNLOADING MOD \$mod_id ###"

	until /home/steam/steamcmd/steamcmd.sh +runscript "\$tmpFile"; do echo -e "###\nLets try that again\n###"; done

	echo "### DOWNLOAD FINISHED ###"
done

echo "### FIX CASE ###"

IFS=\$'\n' 
for SRC in \$(find "\$MOD_DIR/" -depth)
do
    DST=\$(dirname "\${SRC}")/\$(basename "\${SRC}" | tr '\[A-Z\]' '\[a-z\]')
    if [ "\${SRC}" != "\${DST}" ]
    then
        [ ! -e "\${DST}" ] && mv -vT "\${SRC}" "\${DST}"
    fi
done


EOF
)

docker run \
    -it \
    --rm \
    --name=arma3_mods \
    -v "$ARMA_MOD_VOLUME":/home/steam/mount \
    cm2network/steamcmd \
    bash -c "$PAYLOAD"