#!/bin/sh

# File to check existence
db_version_old="${INVENTREE_HOME}/db_version.old"
db_version_new="${INVENTREE_HOME}/db_version"

# Check if the file exists
if [ ! -e "$db_version_old" ]; then
    echo "New Installation DB is getting initialised"
    # Run setup command
    invoke update || exit 2

    echo "Setup command completed."
    cp  "$db_version_new" "$db_version_old"
fi
old_version=$(cat "$db_version_old")
new_version=$(cat "$db_version_new")
echo "old version $old_version"
echo "new version $new_version"
# Number to compare (replace with your actual value)

# Check if the stored version is smaller than new one
if [ "$(awk -v num1=$new_version -v num2=$old_version 'BEGIN { print (num1 < num2) }')" -eq 1 ]; then
    echo "Error: Downgrade of version is not allowed."
    echo "Old DB version was $old_version, and the new version is $new_version"
    exit 1
fi

if [ "$(awk -v num1=$old_version -v num2=$new_version 'BEGIN { print (num1 < num2) }')" -eq 1 ]; then
    echo "DB upgrade available: Version was $old_version, new version is $new_version"

    # Run update command
    invoke update || exit 2

    echo "Update successful"

    # Copy the old version to the new version after update
    cp  "$db_version_new" "$db_version_old"
fi


# Run invoke server in the background
invoke server -a "${INVENTREE_WEB_ADDR}:${INVENTREE_WEB_PORT}" | sed "s/^/server: /" &

# Store the PID of the last background process (invoke server)
server_pid=$!

# Run invoke worker in the background
invoke worker | sed "s/^/worker: /" &

# Store the PID of the last background process (invoke worker)
worker_pid=$!

# Wait for both processes to finish
wait $server_pid
wait $worker_pid

echo "Both processes have completed."