#!/bin/bash

set -xe 

#APP_NAME
while test -z "${APP_NAME:-}"
do
    read -p "Please provide a Name for the Android App:" APP_NAME
done

#APP_PACKAGE
while test -z "${APP_PACKAGE:-}"
do
    APP_PACKAGE_DEFAULT="${APP_NAME,,}"
    APP_PACKAGE_DEFAULT="${APP_PACKAGE_DEFAULT//[!a-z0-9]/_}"
    read -p "Please provide a Package.Name for the App [default=$APP_PACKAGE_DEFAULT]:" APP_PACKAGE
    APP_PACKAGE="${APP_PACKAGE:-$APP_PACKAGE_DEFAULT}"
    APP_PACKAGE="${APP_PACKAGE,,}"
    APP_PACKAGE="${APP_PACKAGE//[!a-z0-9\.]/}"
    test -d "apps/$APP_PACKAGE" && {
        echo "There is already an app with APP_PACKAGE '$APP_PACKAGE'. Choose other APP_PACKAGE name" >&2
        APP_PACKAGE=""
    }
done


#APP_TARGET_VERSION
while test -z "${APP_TARGET_VERSION:-}"
do
    cat << API_LEVEL
read -p "Please choose the APP_TARGET_VERSION Apilevel:'
35 = Android 15  = 2024
34 = Android 14  = 2023
33 = Android 13  = 2022
32 = Android 12L = 2022
31 = Android 12  = 2021
30 = Android 11  = 2020
20 = Android 10  = 2019
(see https://apilevels.com/ for more info)
API_LEVEL
    APP_TARGET_VERSION_DEFAULT="33"
    read -p "Please choose [default=$APP_TARGET_VERSION_DEFAULT]:" APP_TARGET_VERSION
    APP_TARGET_VERSION="${APP_TARGET_VERSION:-$APP_TARGET_VERSION_DEFAULT}"
    test "$APP_TARGET_VERSION" -gt 0 || { 
        echo "Error: APP_TARGET_VERSION 'APP_TARGET_VERSION' is not valid" 
        APP_TARGET_VERSION='';
    }
done


cat << INFO
Creating an skeleton for an Android app with the following info:
APP_PACKAGE: ${APP_PACKAGE}
APP_NAME: ${APP_NAME}
INFO


mkdir -p "apps/$APP_PACKAGE" 
cat > "apps/$APP_PACKAGE/AndroidManifest.xml" << ANDROIDMANIFEST
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="$APP_PACKAGE"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="30"
    android:targetSdkVersion="33"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.MANAGE_DOCUMENTS"/>
    <uses-permission android:name="android.permission.MANAGE_MEDIA"/>
    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO"/>
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>
    <uses-permission android:name="android.permission.READ_MEDIA_VISUAL_USER_SELECTED"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"  android:maxSdkVersion="32" />
    <uses-permission android:name="android.permission.READ_SYNC_SETTINGS"/>
    <uses-permission android:name="android.permission.VIBRATE"/>
    <uses-permission android:name="android.permission.WAKE_LOCK"/>
    <uses-permission android:name="android.permission.WRITE_CALENDAR"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_SETTINGS"/>
    <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS"/>
    <application android:label="HIHIHOHO" android:icon="@drawable/ic_launcher">
        <activity android:name="app.example.ExampleApp"
                  android:exported="true"
                  android:configChanges="orientation|screenSize|keyboardHidden"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>
ANDROIDMANIFEST