#!/bin/sh

# This script checks availability of different Android source code sub-projects
# for a user-determined Android version (BASEVER) using a pre-defined Android
# platform manifest file as basis (XMLURL).
#
# Goal of this script is to automate detection of these sub-projects
# to help generating a valid Android platform manifest file for AOSP source code
# compilation.

BASEURL="https://android.googlesource.com/"
BASEVER="android-10.0.0_r41"

XMLURL="https://fjordtek.com/git/Fincer/anbox-platform_manifests/raw/branch/anbox/default.xml"

SUBURLS=()
NOK_SUBURLS=()
NOK_SUBURLS_VERSIONINFO=()

echo "
Target version: ${BASEVER}
Reference Android manifest: ${XMLURL}
"

for subUrl in $(curl -s ${XMLURL} | grep -oP '(?<=name=").*?(?=")' | tr '\n' ' '); do
  SUBURLS+=(${subUrl})
done

for subUrl in ${SUBURLS[@]}; do
  ANDROID_VERSIONS=$(curl -s ${BASEURL}${subUrl} | grep -oP '(?<=refs/tags/).*?(?=")' | tr '\n' ' ')

  match=0

  if [[ ${#ANDROID_VERSIONS[@]} != 0 ]]; then

    for av in ${ANDROID_VERSIONS[@]}; do
      if [[ ${av} == ${BASEVER} ]]; then
        match=1
        echo -e "OK\t${subUrl}"
        break 1
      fi
    done
    if [[ ${match} == 0 ]]; then
      NOK_SUBURLS+=(${subUrl})
    fi
  else
    NOK_SUBURLS_VERSIONINFO+=(${subUrl}})
  fi

done

echo -e "\n"

if [[ ${#NOK_SUBURLS[@]} != 0 ]] || [[ ${#NOK_SUBURLS_VERSIONINFO[@]} != 0 ]]; then
  echo -e "You may need to look for replacements or delete these ones from the provided manifest:\n"
fi

if [[ ${#NOK_SUBURLS[@]} != 0 ]]; then
  echo -e "NOK sub urls are:\n$(for i in ${NOK_SUBURLS[@]}; do echo -e ${i}; done)\n"
fi

if [[ ${#NOK_SUBURLS_VERSIONINFO[@]} != 0 ]]; then
  echo -e "Couldn't get Android versions for urls:\n$(for i in ${NOK_SUBURLS_VERSIONINFO[@]}; do echo -e ${i}; done)\n"
fi