#!/bin/bash
PACKAGES=""
REPO_USERNAME=""
REPO_PASSWORD=""
TMP="/tmp/androBootstrap"
REPOURL=""
REPODATA=""
SKIP=""

ret=""
ret2=""


coloredMessage(){
	# $1: First colored text   $2: Non colored Text
	[ $# -gt 2 ] && echo -e "\033[1;32m$1\033[1;m $2" || echo -e "\033[1;31m$1\033[1;m $2"
}
getVersionCodeInstalledOnSystem(){
	# VersionCode of system apk, otherwise -1
	local versionCode=`adb shell dumpsys package "$1" | grep "versionCode=" | cut -d= -f2 | cut -d' ' -f1 | tr -d "\r"`
	[ -z "$versionCode" ] && versionCode="-1"
	ret="$versionCode"
}
getLatestPackageFDroid(){
	# $REPODATA: Repository XML
	# $1: Package name
	[ "$SKIP" == "true" ] && return
	local fdroid=$(echo "$REPODATA" | grep "<apkname>$1")
	fdroid=$(echo "$fdroid" | sed 's/<[^>]*>//g')
	fdroid=$(echo "$fdroid" | tr -s " " | rev | cut -d '_' -f1 | rev | cut -d '.' -f1 | sort -n -r)
	local versionCode=$(echo "$fdroid" | head -n1)
	ret="$REPOURL/$1_$versionCode.apk"
	ret2="$versionCode"
}
loadFDroidRepo(){
	# $1: Url to repository (https://f-droid.org/repo)
	[ "$SKIP" == "true" ] && return
	REPOURL="$1"
	if [ -n "$REPO_USERNAME" -a -n "$REPO_PASSWORD" ] ; then
		REPODATA=$(curl -s "$1/index.xml" --user "$REPO_USERNAME:$REPO_PASSWORD" | xmllint --format -)
	else
		REPODATA=$(curl -s "$1/index.xml" | xmllint --format -)
	fi
}
showDownload(){
	[ "$SKIP" == "true" ] && return
	echo -e "\033[1;31mDownload:\033[1;m $1"
}
downloadApk(){
	# $1: URL
	# $2: Text, shows download info if set
	local AGENT="Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5"
	[ "$SKIP" == "true" ] && return
	cd "$TMP"

	# Info
	[ -n "$2" ] && showDownload "$2"

	# Download
	if [ -n "$REPO_USERNAME" -a -n "$REPO_PASSWORD" ] ; then
		curl -s -A "$AGENT" -J -O "$1" --user "$REPO_USERNAME:$REPO_PASSWORD"
	else
		curl -s -A "$AGENT" -J -O "$1"
	fi
}

downloadWget(){
	cd "$TMP"
	wget -nc -q -O "$2.apk" "$1"
}
downloadMultiplePackagesFromFdroid(){
	# PACKAGES must be defined as an Array.
	for (( i=0; i < ${#PACKAGES[@]}; i=`expr $i + 2` )); do
		local appname="${PACKAGES[$i]}"
		local apppack="${PACKAGES[$i + 1]}"
		getVersionCodeInstalledOnSystem "$apppack" && versionCodeOnSystem="$ret"
		getLatestPackageFDroid "$apppack"

		# Only download if not installed on system, or different version
		if [ $ret2 -gt $versionCodeOnSystem -o "$versionCodeOnSystem" == "-1" ] ; then
			downloadApk "$ret" "$appname"
		else
			coloredMessage "Skipping:" "$appname" "true"
		fi
	done
}
enterCredentials(){
	[ "$SKIP" == "true" ] && return
	if [ $# -gt 0 ] ; then
		REPO_USERNAME="$1"
		echo "Username: $1"
	else
		echo "Enter Username"
		read REPO_USERNAME
	fi
	echo "Enter Password: "
	read -s REPO_PASSWORD
}
clearCredentials(){
	REPO_USERNAME=""
	REPO_PASSWORD=""
}

#####################################

echo "Working folder: $TMP"
mkdir -p "$TMP"

####################################
# F-Droid packages (official)
loadFDroidRepo "https://f-droid.org/repo"

# dandelion
#getLatestPackageFDroid "com.github.dfa.diaspora_android"
#downloadApk "$ret" "dandelion"


PACKAGES=( \
 "AF-Wall" 		"dev.ukanth.ufirewall" \
 "Ad-Away" 		"org.adaway" \
 "Barcode Scanner"	"com.google.zxing.client.android" \
 "Contact Merger"	"de.measite.contactmerger" \
 "Conversations"	"eu.siacs.conversations" \
 "DavDroid"		"at.bitfire.davdroid" \
 "Chromium Auto up2"	"com.dosse.chromiumautoupdater" \
 "NextCloud"		"com.nextcloud.client" \
 "Night Screen"		"info.papdt.blackblub" \
 "OpenTasks"		"org.dmfs.tasks" \
 "OsmAnd"		"net.osmand.plus" \
 "Silence IM"		"org.smssecure.smssecure" \
 "VLC"			"org.videolan.vlc" \
 "QuickDic"		"de.reimardoeffinger.quickdic" \
)

downloadMultiplePackagesFromFdroid


####################################
# MYSERVER packages
PACKAGES=( \
 "Omich"		"com.omichsoft.newplayer" \
 "Titanium"		"com.keramidas.TitaniumBackup" \
)
enterCredentials "fdroid"
loadFDroidRepo "https://MYSERVER/fdroid"
downloadMultiplePackagesFromFdroid $PACKAGES

#### Install to phone
echo "APK --> Phone?"
cd "$TMP"
find . -iname "*.apk" -exec bash -c 'printf "\n\n" && adb install -r "{}"' \;