#!/bin/bash

set -e
set -x

echo "deb http://deb.debian.org/debian stretch-backports main" \
     > /etc/apt/sources.list.d/stretch-backports.list
apt-get update
apt-get install -y --no-install-recommends -t stretch-backports \
        fdroidserver openssh-client rsync python3-qrcode

db=`sed -n 's,.*DB_VERSION *= *\([0-9][0-9]*\).*,\1,p' app/src/main/java/org/fdroid/fdroid/data/DBHelper.java`
count=`git rev-list --first-parent --count HEAD`
sed -i "s,versionCode *[0-9][0-9]*.*,versionCode `printf '%d%05d' $db $count`," app/build.gradle

repo_git_base=${CI_PROJECT_NAMESPACE}/${CI_PROJECT_NAME}-nightly
repo_base=https://gitlab.com/${repo_git_base}
repo_url=${repo_base}/raw/master/fdroid/repo
archive_url=${repo_base}/raw/master/fdroid/archive
mkdir -p $HOME/.android
keystore=$HOME/.android/debug.keystore
echo "repo_name = '$repo_git_base'"              >> config/nightly-repo/config.py
echo "repo_url = '$repo_url'"                    >> config/nightly-repo/config.py
echo "archive_name = '$repo_git_base archive'"   >> config/nightly-repo/config.py
echo "archive_url = '$archive_url'"              >> config/nightly-repo/config.py
echo "servergitmirrors = 'git@gitlab.com:$repo_git_base'" >> config/nightly-repo/config.py
echo "keystore = '$keystore'" >> config/nightly-repo/config.py
chmod 0600 config/nightly-repo/config.py

sed -i -e '/<\/string-array>/d' -e '/<\/resources>/d' \
    app/src/main/res/values/default_repos.xml
echo "<item>$repo_git_base</item>" >> app/src/main/res/values/default_repos.xml
echo "<item>$repo_url</item>"      >> app/src/main/res/values/default_repos.xml
cat config/nightly-repo/repo.xml   >> app/src/main/res/values/default_repos.xml
echo "</string-array></resources>" >> app/src/main/res/values/default_repos.xml

set +x # do not show contents of secret variables!
echo $DEBUG_KEYSTORE | base64 --decode --ignore-garbage > $keystore
set -x

./gradlew assembleDebug -PdisablePreDex

mkdir config/nightly-repo/repo/
mv app/build/outputs/apk/app-debug.apk  config/nightly-repo/repo/
cd config/nightly-repo

pw=android
alias=androiddebugkey
keytool -v -importkeystore \
        -srckeystore $keystore -srcalias $alias -srcstorepass $pw -srckeypass $pw \
        -destkeystore keystore.p12 -destalias $alias -deststorepass $pw -destkeypass $pw -deststoretype PKCS12

ssh_private_key=$HOME/.ssh/id_rsa
mkdir -p $(dirname $ssh_private_key)
openssl pkcs12 -in keystore.p12 -out key.pem -passin pass:$pw -passout pass:$pw
openssl rsa -in key.pem -out ${ssh_private_key} -passin pass:$pw
chmod 600 ${ssh_private_key}
ssh-keygen -y -f ${ssh_private_key} > ${ssh_private_key}.pub
echo "SSH public deploy key:"
cat  ${ssh_private_key}.pub
eval $(ssh-agent -s)
ssh-add ${ssh_private_key}

if git clone $repo_base git-mirror; then
    cd git-mirror
    git remote rm origin
    qr $repo_url > qr.png
    echo "#  $repo_git_base" > README.md
    echo "[![$repo_url](qr.png)]($repo_url)" >> README.md
    printf "\n\nLast updated: " >> README.md
    date >> README.md
    git add README.md
    git config user.email "$CI_PROJECT_NAMESPACE@$CI_PROJECT_NAME"
    git config user.name "$CI_PROJECT_NAMESPACE $CI_PROJECT_NAME"
    git commit README.md -m README
    cd ..
fi
if [ -d git-mirror/fdroid/repo ]; then
    rsync -axv git-mirror/fdroid/repo/ repo/
fi

fdroid update --rename-apks

ssh-add -l
echo -e "Host *\n\tStrictHostKeyChecking no\n\n" >> ~/.ssh/config
fdroid server update --verbose