#!/usr/bin/env bash

set -e

BIN_NAME=$0

function usage() {
    echo ""
    echo "Usage:"
    echo "$BIN_NAME [passphrase] [path-to-database]"
    echo ""
    echo "    With no arguments, uses the currently booted siumlator. If not configured for external visibility, you'll be prompted for a password"
    echo "    With one argument, uses the currently booted simulator with the provided passphrase. No quotes please, just a hex string."
    echo "    With both arguments, uses the passphrase on the database at the provided path."
    echo ""
    echo "e.g. $BIN_NAME abcd0123cdef4567 /Home/Users/foo/Library/Simulator/blah/database/signal.sqlite"
}

if [[ $1 == '-h' || $1 == '--help' ]]
then
  usage
  exit 0
fi

DB_KEY=$1
DB_PATH=$2
PATH_ARG=""
KEY_ARG=""

if [[ $DB_PATH ]]
then
  PATH_ARG="--path $DB_PATH"
fi
if [[ $DB_KEY ]]
then
  KEY_ARG="--passphrase $DB_KEY"
fi

BASE_DIR=$(git rev-parse --show-toplevel)
cd $BASE_DIR

OUTPUT_FILE=SignalServiceKit/Resources/schema.sql

Scripts/sqlclient --quiet $PATH_ARG $KEY_ARG -- .schema |   # Grab the schema
  grep -v -e grdb_migrations -e sqlite_sequence         |   # Filter out oneline tables we don't care about
  sed '1s/ok//'                                         |   # Filter out the "ok" message that sqlcipher prints for the passphrase PRAGMAs
  bundle exec anbt-sql-formatter > $OUTPUT_FILE             # Format it and write it to the file

if [ ${PIPESTATUS[0]} -eq 0 ]; then
    echo "🌈 Successfully dumped schema to ${OUTPUT_FILE}"
else
    cat << EOS
💥 Error while trying to dump the schema.

If you see an error like "Error: SQL logic error" the passphrase is most likely wrong.
EOS

fi