import/n2mg_cypherl.sh
#!/bin/bash -e
COLOR_ORANGE="\e[38;5;208m"
COLOR_GREEN="\e[38;5;35m"
COLOR_RED="\e[0;31m"
COLOR_NULL="\e[0m"

print_help() {
    echo -e "${COLOR_ORANGE}HOW TO RUN:${COLOR_NULL} $0 input_file_path output_file_path"
    exit 1
}

if [ "$#" -ne 2 ]; then
    print_help
fi
INPUT="$1"
OUTPUT="$2"
if [ ! -f "$INPUT" ]; then
    echo -e "${COLOR_RED}ERROR:${COLOR_NULL} input_file_path is not a file!"
    print_help
fi

echo -e "${COLOR_ORANGE}NOTE:${COLOR_NULL} BEGIN and COMMIT are required because variables share the same name (e.g. row)"
echo -e "${COLOR_ORANGE}NOTE:${COLOR_NULL} CONSTRAINTS are just skipped -> ${COLOR_RED}please create constraints manually if needed${COLOR_NULL}"

echo 'CREATE INDEX ON :`UNIQUE IMPORT LABEL`(`UNIQUE IMPORT ID`);' > "$OUTPUT"

sed -e 's/^:begin/BEGIN/g; s/^BEGIN$/BEGIN;/g;' \
    -e 's/^:commit/COMMIT/g; s/^COMMIT$/COMMIT;/g;' \
    -e '/^CALL/d; /^SCHEMA AWAIT/d;' \
    -e 's/CREATE RANGE INDEX FOR (n:/CREATE INDEX ON :/g;' \
    -e 's/) ON (n./(/g;' \
    -e '/^CREATE CONSTRAINT/d; /^DROP CONSTRAINT/d;' "$INPUT" >> "$OUTPUT"

echo 'DROP INDEX ON :`UNIQUE IMPORT LABEL`(`UNIQUE IMPORT ID`);' >> "$OUTPUT"

echo ""
echo -e "${COLOR_GREEN}DONE!${COLOR_NULL} Please find Memgraph compatible cypherl|.cypher file under $OUTPUT"
echo ""
echo "Please import data by executing => \`cat $OUTPUT | mgconsole\`"
