#!/usr/bin/env bash

APKTOOL_LINK="https://github.com/iBotPeaches/Apktool/releases/download/v3.0.2/apktool_3.0.2.jar"
APKEDITOR_LINK="https://github.com/REAndroid/APKEditor/releases/download/V1.4.8/APKEditor-1.4.8.jar"

# functions
javanotexist() {
	echo "Java/OpenJDK is not installed!"
	echo "Please install Java/OpenJDK for your system to continue!"
	exit 1
}

mbapks() {
	[ ! -f mbrn_apk/*.apks ] && echo "No APKs found! Please copy original app to [mbrn_apk] folder!"
}

alreadyunpacked() {
	echo "APK is already unpacked."
	exit 1
}

# create necessary folder (this will be ignored in gitignore)
[ ! -d tools ] && mkdir -p tools
[ ! -d mbrn_apk ] && mkdir -p mbrn_apk
[ ! -d mbrn_out ] && mkdir -p mbrn_out

# check if java/openjdk is installed or not
if command -v java ; then
	echo "Java is installed!"
else
	javanotexist
fi

# figlet banner check
if command -v figlet ; then
	FIGLET="figlet"
else
	FIGLET=:
fi

# Main banner
$FIGLET "MBRN Patcher"
echo "----------------------------------------------------"
echo "Open source tool for patching MB Bank React Native"
echo "Written by Cuynu from scratch with specific video."
echo "Supported app eta : v6.3.11 (React Native)"
echo "----------------------------------------------------"
PS3='Pls select smth : '
select opt in 'Unpack APK' 'Convert apks to apk' 'Repack APK' 'Download tools' 'Exit'
do
	if [ "$opt" == 'Unpack APK' ]; then
	[ -d mbrn_apk/mbrn_unpacked ] && alreadyunpacked
	java -jar tools/apktool.jar d mbrn_apk/mbrn_app.apk -o mbrn_apk/mbrn_unpacked
	
	elif [ "$opt" == 'Repack APK' ]; then
	echo "smth"

	elif [ "$opt" == 'Convert apks to apk' ]; then
	mbapks
	java -jar tools/apkeditor.jar merge -i mbrn_apk/*.apks -o mbrn_apk/mbrn_app.apk
	
	elif [ "$opt" == 'Download tools' ]; then
	[ ! -f tools/apktool.jar ] && wget $APKTOOL_LINK -O tools/apktool.jar || echo "apktool already downloaded!"
	[ ! -f tools/apkeditor.jar ] && wget $APKEDITOR_LINK -O tools/apkeditor.jar || echo "apkeditor already downloaded!"

	elif [ "$opt" == 'Exit' ]; then
	exit

	fi
done