#!/bin/bash

set -e # quit script on error
set -x # show each command as it is executed

echo_header() {
    echo "=============================================================================="
    echo $1
}

copy_apks_into_repo() {
    set +x
    for f in `find $APKDIR -name '*.apk' | grep -F -v -e unaligned -e unsigned`; do
        name=$(basename $(dirname `dirname $f`))
        apk=`aapt dump badging "$f" | sed -n "s,^package: name='\(.*\)' versionCode='\([0-9][0-9]*\)' .*,\1_\2.apk,p"`
        test $f -nt repo/$apk && rm -f repo/$apk  # delete existing if $f is newer
        if [ ! -e repo/$apk ] && [ ! -e archive/$apk ]; then
            echo "$f --> repo/$apk"
            ln $f $1/repo/$apk || \
                rsync -axv $f $1/repo/$apk # rsync if hard link is not possible
        fi
    done
    set -x
}

create_fake_android_home() {
    mkdir $1/build-tools
    mkdir $1/build-tools/19.0.1
    touch $1/build-tools/19.0.1/aapt
}

create_test_dir() {
    test -e $WORKSPACE/.testfiles || mkdir $WORKSPACE/.testfiles
    mktemp --directory --tmpdir=$WORKSPACE/.testfiles
}

create_test_file() {
    test -e $WORKSPACE/.testfiles || mkdir $WORKSPACE/.testfiles
    mktemp --tmpdir=$WORKSPACE/.testfiles
}

#------------------------------------------------------------------------------#
# "main"

if [ $# -ne 1 ]; then
    echo "Usage: $0 '/path/to/folder/with/apks'"
    exit 1
fi

APKDIR=$1

if [ -z $WORKSPACE ]; then
    WORKSPACE=`dirname $(pwd)`
    echo "Setting Workspace to $WORKSPACE"
fi

# allow the location of the script to be overridden
if [ -z $fdroid ]; then
    fdroid="$WORKSPACE/fdroid"
fi

#------------------------------------------------------------------------------#
echo_header "setup a new repo from scratch using ANDROID_HOME"

REPOROOT=`create_test_dir`
cd $REPOROOT
$fdroid init
copy_apks_into_repo $REPOROOT
$fdroid update --create-metadata
grep -F '<application id=' repo/index.xml


#------------------------------------------------------------------------------#
# check that --android-home fails when dir does not exist or is not a dir

REPOROOT=`create_test_dir`
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
set +e
$fdroid init --keystore $KEYSTORE --android-home /opt/fakeandroidhome
if [ $? -eq 0 ]; then
    echo "This should have failed because /opt/fakeandroidhome does not exist!"
    exit 1
else
    echo "testing android-home path checker passed"
fi
TESTFILE=`create_test_file`
$fdroid init --keystore $KEYSTORE --android-home $TESTFILE
if [ $? -eq 0 ]; then
    echo "This should have failed because $TESTFILE is a file not a dir!"
    exit 1
else
    echo "testing android-home not-dir checker passed"
fi
set -e


#------------------------------------------------------------------------------#
echo_header "check that fake android home passes `fdroid init`"

REPOROOT=`create_test_dir`
FAKE_ANDROID_HOME=`create_test_dir`
create_fake_android_home $FAKE_ANDROID_HOME
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
$fdroid init --keystore $KEYSTORE --android-home $FAKE_ANDROID_HOME


#------------------------------------------------------------------------------#
echo_header "check that 'fdroid init' fails when build-tools cannot be found"

REPOROOT=`create_test_dir`
FAKE_ANDROID_HOME=`create_test_dir`
create_fake_android_home $FAKE_ANDROID_HOME
rm -f $FAKE_ANDROID_HOME/build-tools/*/aapt
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
set +e
$fdroid init --keystore $KEYSTORE --android-home $FAKE_ANDROID_HOME
[ $? -eq 0 ] && exit 1
set -e


#------------------------------------------------------------------------------#
echo_header "check that --android-home overrides ANDROID_HOME"

REPOROOT=`create_test_dir`
FAKE_ANDROID_HOME=`create_test_dir`
create_fake_android_home $FAKE_ANDROID_HOME
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
$fdroid init --keystore $KEYSTORE --android-home $FAKE_ANDROID_HOME
set +e
grep $FAKE_ANDROID_HOME $REPOROOT/config.py
if [ $? -ne 0 ]; then
    echo "the value set in --android-home '$FAKE_ANDROID_HOME' should override ANDROID_HOME '$ANDROID_HOME'"
    exit 1
fi
set -e


#------------------------------------------------------------------------------#
# In this case, ANDROID_HOME is set to a fake, non-working version that will
# be detected by fdroid as an Android SDK install.  It should use the path set
# by --android-home over the one in ANDROID_HOME, therefore if it uses the one
# in ANDROID_HOME, it won't work because it is a fake one.  Only
# --android-home provides a working one.
echo_header "setup a new repo from scratch with keystore and android-home set on cmd line"

REPOROOT=`create_test_dir`
KEYSTORE=$REPOROOT/keystore.jks
FAKE_ANDROID_HOME=`create_test_dir`
create_fake_android_home $FAKE_ANDROID_HOME
STORED_ANDROID_HOME=$ANDROID_HOME
unset ANDROID_HOME
echo "ANDROID_HOME: $ANDROID_HOME"
cd $REPOROOT
$fdroid init --keystore $KEYSTORE --android-home $STORED_ANDROID_HOME --no-prompt
test -e $KEYSTORE
copy_apks_into_repo $REPOROOT
$fdroid update --create-metadata
grep -F '<application id=' repo/index.xml
test -e repo/index.xml
test -e repo/index.jar
export ANDROID_HOME=$STORED_ANDROID_HOME


#------------------------------------------------------------------------------#
echo_header "setup new repo from scratch using ANDROID_HOME, putting APKs in repo first"

REPOROOT=`create_test_dir`
cd $REPOROOT
mkdir repo
copy_apks_into_repo $REPOROOT
$fdroid init
$fdroid update --create-metadata
grep -F '<application id=' repo/index.xml


#------------------------------------------------------------------------------#
echo_header "setup a new repo from scratch and generate a keystore"

REPOROOT=`create_test_dir`
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
$fdroid init --keystore $KEYSTORE
test -e $KEYSTORE
copy_apks_into_repo $REPOROOT
$fdroid update --create-metadata
test -e repo/index.xml
test -e repo/index.jar
grep -F '<application id=' repo/index.xml


#------------------------------------------------------------------------------#
echo_header "setup a new repo from scratch, generate a keystore, then add APK and update"

REPOROOT=`create_test_dir`
KEYSTORE=$REPOROOT/keystore.jks
cd $REPOROOT
$fdroid init --keystore $KEYSTORE
test -e $KEYSTORE
copy_apks_into_repo $REPOROOT
$fdroid update --create-metadata
test -e repo/index.xml
test -e repo/index.jar
grep -F '<application id=' repo/index.xml
cp $WORKSPACE/tests/urzip.apk $REPOROOT/
$fdroid update --create-metadata
test -e repo/index.xml
test -e repo/index.jar
grep -F '<application id=' repo/index.xml


#------------------------------------------------------------------------------#
echo_header "setup a new repo from scratch with a HSM/smartcard"

REPOROOT=`create_test_dir`
cd $REPOROOT
$fdroid init --keystore NONE
test -e opensc-fdroid.cfg
test ! -e NONE


echo SUCCESS