#!/bin/sh
# Runs the db migrations and starts the super node services

# Exit if the variable tests fail
set -e

# Check the database variables are set
test $VDB_PG_NAME
test $VDB_PG_HOSTNAME
test $VDB_PG_PORT
test $VDB_PG_USER
test $IPFS_INIT
set +e

# Export our database variables so that the IPFS Postgres plugin can use them
export IPFS_PGHOST=$VDB_PG_HOSTNAME
export IPFS_PGUSER=$VDB_PG_USER
export IPFS_PGDATABASE=$VDB_PG_NAME
export IPFS_PGPORT=$VDB_PG_PORT
export IPFS_PGPASSWORD=$VDB_PG_PASSWORD

# Construct the connection string for postgres
VDB_PG_CONNECT=postgresql://$VDB_PG_USER:$VDB_PG_PASSWORD@$VDB_PG_HOSTNAME:$VDB_PG_PORT/$VDB_PG_NAME?sslmode=disable

# Run the DB migrations
echo "Connecting with: $VDB_PG_CONNECT"
echo "Running database migrations"
./goose -dir migrations/vulcanizedb postgres "$VDB_PG_CONNECT" up


# If the db migrations ran without err
if [[ $? -eq 0 ]]; then
    # and IPFS_INIT is true
    if [[ "$IPFS_INIT" = true ]] ; then
        # initialize PG-IPFS
        echo "Initializing Postgres-IPFS profile"
        ./ipfs init --profile=postgresds
    else
        echo "IPFS profile already initialized, skipping initialization"
    fi
else
    echo "Could not run migrations. Are the database details correct?"
    exit
fi

# If IPFS initialization was successful
if [[ $? -eq 0 ]]; then
    # Wait until block synchronisation has begun
    echo "Waiting for block synchronization to begin"
    ( tail -f -n0 log.txt & ) | grep -q "Block synchronisation started" # this blocks til we see "Block synchronisation started"
    # And then spin up the syncPublishScreenAndServe Vulcanizedb service
    echo "Beginning the syncPublishScreenAndServe vulcanizedb process"
    ./vulcanizedb superNode --config=config.toml 2>&1 | tee -a log.txt &
else
    echo "Could not initialize state-diffing Geth."
    exit
fi

# If Vulcanizedb startup was successful
if [ $? -eq 0 ]; then
    echo "Seed node successfully booted"
else
    echo "Could not start vulcanizedb syncPublishScreenAndServe process. Is the config file correct?"
    exit
fi

wait