#! /bin/bash
#############################
# This script imports data (e.g. from the road network of bolzano) that is
# downloaded from osm (OpenStreetMap) and then imported into available
# databases (neo4j and postgresql).
#############################

if [ "$EUID" -ne "0" ]; then
	echo '- This script must be run as root!'
	exit 1
fi

############################
# Variable definitions     #
############################

SCRIPT="$(readlink -f ${BASH_SOURCE[0]})"
SCRIPT_DIR="$(dirname ${SCRIPT})"
if [ ! -f "${SCRIPT_DIR}/config.sh" ]; then
	# If config.properties is not besides the bash-script (most likely because vagrant uploaded it into the guest)
	# we will try to find it in the shared folder
	SCRIPT_DIR="/vagrant/bootstrap"
fi
if [ ! -f "${SCRIPT_DIR}/config.sh" ]; then
	echo '- No variable declarations found (config.properties file not found)!'
	exit 1;
fi
source "${SCRIPT_DIR}/config.sh"

if ! $IMPORT_DATA_OSM && ! $IMPORT_DATA_OSM_CACHED && ! $IMPORT_DATA_SQL; then
	exit 0
fi

fn_arg2string PG_DB_USER "${1}" "${PG_DB_USER}"
fn_arg2string PG_DB_PASSWORD "${2}" "${PG_DB_PASSWORD}"
fn_arg2boolean IS_LOCAL_TEST_DEPLOY "${3}" "${IS_LOCAL_TEST_DEPLOY}"

############################
# Function definitions     #
############################

fn_import_data() {
	local NAME="$1"
	local OSM_FILE="$2"
	local OSM_FILE_FILTERED="$3"
	local BOUNDING="$4"
	local SQL_EXPORT_FILE="$5"
	local TABLE_PREFIX="$6"

	local VALID_OSM=false
	local VALID_SQL=false
	if $IMPORT_DATA_SQL && $AVAILABLE_POSTGIS && $IMPORT_SCHEDULES; then
		if [ -n "$SQL_EXPORT_FILE" ]; then
			VALID_SQL=true
		fi
	fi
	if ( $AVAILABLE_PGROUTING || $AVAILABLE_NEO4J_SPATIAL ) && ( $IMPORT_DATA_OSM_CACHED || $IMPORT_DATA_OSM ); then
		# osm data does not need to be downloaded (since it would not be imported afterwards)
		VALID_OSM=true
	fi

	echo "Importing data for region of $NAME"
	if ! ( $VALID_SQL || $VALID_OSM ); then
		echo "  - skipping import"
		return 1
	fi

	if $VALID_SQL; then
		echo "  - downloading sql export"
		fn_download_newer $DOWNLOAD_DIR/$SQL_EXPORT_FILE $CACHE_DIR_REMOTE/$SQL_EXPORT_FILE
		cp $DOWNLOAD_DIR/$SQL_EXPORT_FILE $DEPLOY_DIR/$SQL_EXPORT_FILE >> /dev/null 2>&1

		echo "  - importing sql export into postgis database"
		gunzip -c $DEPLOY_DIR/$SQL_EXPORT_FILE | PGPASSWORD="$PG_DB_PASSWORD" psql -U "$PG_DB_USER" -h localhost "$PG_DB_NAME" >> "$WORKING_DIR/import_schedule_$NAME.log" 2>&1

		echo "  - getting table permissions"
		tables=`PGPASSWORD="$PG_DB_PASSWORD" psql -qAt -U "$PG_DB_USER" -h localhost -c "SELECT tablename FROM pg_tables WHERE schemaname = 'public' AND tableowner = 'postgres';" "$PG_DB_NAME"`

		echo "  - fixing table permissions"
		for tbl in $tables ; do
			PGPASSWORD="$PG_DB_PASSWORD" psql -qAt -U "$PG_DB_USER" -h localhost -c "ALTER TABLE $tbl OWNER TO $PG_DB_USER" "$PG_DB_NAME";
		done
	fi

	if ! $VALID_OSM; then
		return 0
	fi

	if $IMPORT_DATA_OSM_CACHED; then
		echo "  - downloading cached OpenStreetMap file"
		fn_download_newer $DOWNLOAD_DIR/$OSM_FILE_FILTERED $CACHE_DIR_REMOTE/$OSM_FILE_FILTERED
		cp $DOWNLOAD_DIR/$OSM_FILE_FILTERED $DEPLOY_DIR/$OSM_FILE_FILTERED >> /dev/null 2>&1
	fi

	if [ ! -f $DEPLOY_DIR/$OSM_FILE_FILTERED ]; then
		if $IMPORT_DATA_OSM; then
			echo "  - downloading OpenStreetMap file (no cached file found)"
			OSM_FILENAME=$DOWNLOAD_DIR/${OSM_FILE##*/}
			fn_download_newer $OSM_FILENAME $OSM_DOWNLOAD_MIRROR/$OSM_FILE
	
			echo "  - filtering OpenStreetMap data"
			if [[ "$BOUNDING" == *.poly ]]; then
				$DEPLOY_DIR/osmosis/bin/osmosis --read-pbf file="$OSM_FILENAME" --bounding-polygon file="$BOUNDING" --way-key keyList="$OSM_KEYS" --used-node --write-xml file="$DEPLOY_DIR/$OSM_FILE_FILTERED" >> "initialize_osmData_$NAME.log" 2>&1
			else
				$DEPLOY_DIR/osmosis/bin/osmosis --read-pbf file="$OSM_FILENAME" --bounding-box $BOUNDING --way-key keyList="$OSM_KEYS" --used-node --write-xml file="$DEPLOY_DIR/$OSM_FILE_FILTERED" >> "initialize_osmData_$NAME.log" 2>&1
			fi
		else
			echo "  - problems with downloading cached osm file... this will most likely lead cause errors"		
		fi
	fi

	if $AVAILABLE_PGROUTING; then
		echo "  - importing filtered OpenStreetMap data into pgRouting"
		$DEPLOY_DIR/osm2pgrouting/build/osm2pgrouting -file "$DEPLOY_DIR/$OSM_FILE_FILTERED" -conf "$OSM2PGROUTING_MAPPING_CONF" -dbname $PG_DB_NAME -user $PG_DB_USER -passwd $PG_DB_PASSWORD -clean -prefixtables $TABLE_PREFIX >> "import_osm2pgrouting_$NAME.log" 2>&1

		echo "  - creating pgRouting topology"
		PGPASSWORD="$PG_DB_PASSWORD" psql -U "$PG_DB_USER" -h localhost -d "$PG_DB_NAME" -c "SELECT pgr_createTopology('${TABLE_PREFIX}ways', $TOPOLOGY_TOLERANCE, 'the_geom', 'gid');" >> "$WORKING_DIR/setup_database_$NAME.log" 2>&1
	fi

	if $AVAILABLE_NEO4J_SPATIAL; then
		echo "  - importing filtered OpenStreetMap data into neo4j-spatial"
		cd $DEPLOY_DIR/neo4j-spatial
		mvn exec:java -Dexec.mainClass=org.neo4j.gis.spatial.osm.OSMImporter -Dexec.args="$DEPLOY_DIR/neo4j/data/graph.db $DEPLOY_DIR/$OSM_FILE_FILTERED" >> $WORKING_DIR/import_osm2neo4j.log 2>&1
		cd $WORKING_DIR
	fi

	return 0
}

################
# Data import  #
################

echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
echo " Importing datasets ($(date +%H:%M:%S)):"
echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"

START=$(date +%s)

# Import real world datasets
fn_import_data "Bozen" "$OSM_FILE_ITALY" "$OSM_FILE_BZ_FILTERED" "$OSM_BBOX_BZ" "bz_export.sql.gz" "$TABLE_PREFIX_BZ"
fn_import_data "Innsbruck" "$OSM_FILE_AUSTRIA" "$OSM_FILE_IBK_FILTERED" "$OSM_BBOX_IBK" "" "$TABLE_PREFIX_IBK"
fn_import_data "San Francisco" "$OSM_FILE_CALIFORNIA" "$OSM_FILE_SF_FILTERED" "$OSM_BBOX_SF" "sf_export.sql.gz" $TABLE_PREFIX_SF
#if ! $IS_LOCAL_TEST_DEPLOY; then
#	fn_import_data "Italy" "$OSM_FILE_ITALY" "$OSM_FILE_IT_FILTERED" "$OSM_BBOX_IT" "it_export.sql.gz" $TABLE_PREFIX_IT
#	fn_import_data "Alto Adige" "$OSM_FILE_ITALY" "$OSM_FILE_ST_FILTERED" "$OSM_BBOX_ST" "st_export.sql.gz" $TABLE_PREFIX_ST
#fi

# Generate synthetic data
if $AVAILABLE_POSTGIS && $INSTALL_ISOCHRONE_TOOLS; then
	java -cp $DOWNLOAD_DIR/isochrone-tools.jar at.uibk.dbis.isochrone.generator.GridNetworkGenerator -d 100 -l 60 > "$WORKING_DIR/generate_gridNetwork.log" 2>&1
	java -cp $DOWNLOAD_DIR/isochrone-tools.jar at.uibk.dbis.isochrone.generator.SpiderNetworkGenerator -d 6 -lvl 1000 -l 60 > "$WORKING_DIR/generate_spiderNetwork.log" 2>&1
fi

if $AVAILABLE_GEOSERVER; then
	if $AVAILABLE_NEO4J_SPATIAL; then
		echo "Configuring neo4j data permissions for geoserver"
		chown -R $TOMCAT_USER:$TOMCAT_USER $DEPLOY_DIR/neo4j/data/graph.db
	fi

	echo "Configuring geoserver $GEOSERVER_VERSION using geoserver-shell $GEOSERVER_SHELL_VERSION"
	sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_ws.gs >> setup_geoserver_workspace.log 2>&1
	sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_styles.gs >> setup_geoserver_styles.log 2>&1
	cp $SHARED_IMG_DIR/* $DEPLOY_DIR/geoserver/data/styles >> setup_geoserver_styles.log 2>&1

	if $AVAILABLE_NEO4J_SPATIAL; then
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ds.gs >> setup_geoserver_neo4j.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft_bz.gs >> setup_geoserver_neo4j.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft_ibk.gs >> setup_geoserver_neo4j.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft_sf.gs >> setup_geoserver_neo4j.log 2>&1
		if ! $IS_LOCAL_TEST_DEPLOY; then
#			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft_it.gs >> setup_geoserver_neo4j.log 2>&1
#			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft_st.gs >> setup_geoserver_neo4j.log 2>&1
			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_neo4j_ft.gs >> setup_geoserver_neo4j.log 2>&1
		fi
	fi
	if $AVAILABLE_POSTGIS; then
		# copy geoserver_setup_postgis_ds and replace username/password
		cp $SHARED_CONF_DIR/geoserver_setup_postgis_ds.gs $WORKING_DIR/geoserver_setup_postgis_ds.gs
		sed -i "s/@db_username@/$PG_DB_USER/" $WORKING_DIR/geoserver_setup_postgis_ds.gs
		sed -i "s/@db_password@/$PG_DB_PASSWORD/" $WORKING_DIR/geoserver_setup_postgis_ds.gs

		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $WORKING_DIR/geoserver_setup_postgis_ds.gs >> setup_geoserver_postgis.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft_bz.gs >> setup_geoserver_postgis.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft_ibk.gs >> setup_geoserver_postgis.log 2>&1
		sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft_sf.gs >> setup_geoserver_postgis.log 2>&1
		if ! $IS_LOCAL_TEST_DEPLOY; then
#			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft_it.gs >> setup_geoserver_postgis.log 2>&1
#			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft_st.gs >> setup_geoserver_postgis.log 2>&1
			sh $DEPLOY_DIR/gs-shell/bin/gs-shell --cmdfile $SHARED_CONF_DIR/geoserver_setup_postgis_ft.gs >> setup_geoserver_postgis.log 2>&1
		fi
	fi
fi

END=$(date +%s)
TOTAL=$(( $END - $START ))

echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
echo " Datasets imported"
printf 'Time to import the datasets: %dh:%dm:%ds\n' $(($TOTAL/3600)) $(($TOTAL%3600/60)) $(($TOTAL%60))
echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"