#!/bin/bash

check_error() {
	if test $? -ne 0; then
		echo "card_scanner: $1 exited with unexpected error"
		exit 1
	fi
}

STORAGE_DIR="$HOME/.local/share/sevenkeys/scanimages/"
mkdir -p "$STORAGE_DIR"

printf "Database profile: "
read profile

printf "Storage area name: "
read storageAreaName

ADD_CARDS=0
echo "scantap: Beginning scan loop"
while true; do
	rng="$(cat /dev/random | tr -cd 'a-f0-9' | head -c 32)"
	filename="$STORAGE_DIR/$rng.png"

	scanimage --output-file="$filename" --source "ADF Front" --mode Color --page-width 63mm --page-height 88mm 2>/dev/null

	# scanimage exits with code 7 if no documents are available in scanner
	if test $? -eq 7; then
		if test $ADD_CARDS -eq 0; then
			ADD_CARDS=1
			echo "scantap: No more cards in feeder" >&2
		fi

		# If we have generated a zero-length file, then delete it
		if ! test -s "$filename"; then
			rm "$filename"
		fi

		continue
	fi
	ADD_CARDS=0
	check_error "scanimage"

	convert -rotate 180 "$filename" "$filename"
	check_error "convert"

	cardLocationId="$(./sevenkeys --profile="$profile" store --storagearea="$storageAreaName" --id="00000000-0000-0000-0000-0000000000000")"
	check_error "sevenkeys"

	if test "$profile" == "development"; then
		databaseName="sevenkeys_development"
	else
		databaseName="sevenkeys"
	fi

	mysql --silent --silent --user=root --password="$(pass show sevenkeys/mysql)" \
		-e "USE $databaseName; INSERT INTO CardScan (CardLocationId, Filename) VALUES ('$cardLocationId', '$rng.png');"
	check_error "mysql"
done