################################################################
#
# Currently in use here:
# https://gitpull.it/harbormaster/step/view/6/
#
# Source code:
# https://gitpull.it/P23
#
# -- Valerio B., Wed 26 Feb 2020 11:54:30 PM CET
#
################################################################

#
# Usage: the first argument is the Differential ID number
#        or empty if working on master.
#

# die on errors
set -e

# Require the Telegram
if [ -f ~/.phorge_bot_telegram_config ]; then
        echo "[INFO] including .env file"
        . ~/.phorge_bot_telegram_config
else
        echo "[WARN] skipping non-existing ~/.phorge_bot_telegram_config file for user $(whoami) with home $HOME"
fi

# expected base URL
EXPECTED_DEPLOY_URL=https://lab.reyboz.it/builds/libre-busto/

# pathname to the repository built apk file
#APK_PATH=./build/outputs/apk/release/libre-busto-release-unsigned.apk
#APK_PATH=./app/build/outputs/apk/debug/libre-busto-debug.apk
#APK_PATH=./app/build/outputs/apk/debug/app-debug.apk
APK_PATH=./app/build/outputs/apk/gitpull/app-gitpull-signed.apk

# Git commit hash
git_commit=$(git rev-parse HEAD)

git_commit_title=$(git show --pretty=format:%s -s HEAD)

# repository build pathname
BUILD_DIR=/home/www-data/reyboz.it/lab/builds/libre-busto

# document id of the page to be commented
document_id=

# get the branch name
branch_name=asd
if [ -n "$1" ]; then
        # it's a Differential revision
        branch_name=D"$1"

        document_id="$branch_name"
else
        # get a ref name (probably "HEAD")

        # remotes/origin/bigupdate
        remote_shit=$(git name-rev --name-only HEAD)

        # bigupdate
        branch_name=$(basename "$remote_shit")
fi

# give a name of this built apk
#APK_NAME="$branch_name"-libre-busto-unsigned.apk
APK_NAME="$branch_name"-libre-busto.apk

# complete build URL
BUILD_URL="$EXPECTED_DEPLOY_URL""$APK_NAME"

# pathname to the APK file in the HTTP build directory
BUILD_APK_FILE="$BUILD_DIR"/"$APK_NAME"

# pathname to the git show file in the HTTP build directory
BUILD_GIT_SHOW_FILE="$BUILD_DIR"/"$branch_name"-git-show.txt

echo "Current directory:"
echo "  $(pwd)"

echo "Calculating sha256sum of:"
echo "  $APK_PATH"

echo "File info"
ls -l "$APK_PATH"

# get the digital signature of the last version
APK_SHA256=$(sha256sum "$APK_PATH" | head -c 64)

# overwrite the latest built APK for this branch name (force date update)
echo "Cleaning old builds"
rm --force             "$BUILD_APK_FILE"
cp         "$APK_PATH" "$BUILD_APK_FILE"

# overwrite the latest git show for this branch name (force date update)
rm --force "$BUILD_GIT_SHOW_FILE"
git show > "$BUILD_GIT_SHOW_FILE"

echo "Update checksums"
cd "$BUILD_DIR"
rm -f       sha1sum.txt
sha1sum * > sha1sum.txt
cd -      > /dev/null

# show the build URL in the log
echo "Published here:"
echo "$BUILD_URL"

apix='`'

# Escaping texts for Telegram :(
BUILD_URL_ESCAPED=$(printf "%s" "$BUILD_URL"     | sed -E -e 's/\r//g' -e 's/([-"`´,§$%&/(){}#@!?*.\t])/\\\1/g')
APK_NAME_ESCAPED=$(printf "%s" "$APK_NAME"       | sed -E -e 's/\r//g' -e 's/([-"`´,§$%&/(){}#@!?*.\t])/\\\1/g')

# add a comment to the build URL
if [ -n "$document_id" ] && [ -z "$NO_COMMENT" ]; then

        # We have a Differentials revision under review!

        # Escaping text for Telegram :(
        # https://github.com/topkecleon/telegram-bot-bash/blob/8f23bca8a1f733aa5d69c648082b59716d7c1fa7/bashbot.sh#L105
        document_id_escaped=$(printf "%s" "$document_id" | sed -E -e 's/\r//g' -e 's/([-"`´,§$%&/(){}#@!?*.\t])/\\\1/g')

        # Send message to Telegram groups.
        telegram_chat_content="⚙ Dear Android hackers, please review this promising patch:
https://gitpull\.it/$document_id_escaped

Here the related fresh test build:
[Download $APK_NAME_ESCAPED]($BUILD_URL_ESCAPED)

APK sha256:
$apix$APK_SHA256$apix"

        echo "DEBUG TELEGRAM CONTENT"
        echo "$telegram_chat_content"
        telegram-comment.sh "$TELEGRAM_BOT_TOKEN" "$TELEGRAM_CHAT_ID" "$telegram_chat_content" || true

        # Send message to Phorge.
        echo "Adding bipbop Comment to $document_id"
        phab-comment.php "$document_id" "$BUILD_URL" "$APK_SHA256" || true
else

        # We have NOT a Differentials revision under review!
        # So this is an atomic commit.

        git_commit_title_escaped=$(printf "%s" "$git_commit_title" | sed -E -e 's/\r//g' -e 's/([-"`´,§$%&/(){}#@!?*.\t])/\\\1/g')

        # Send message to Telegram groups.
        telegram_chat_content="🌚 New commit: *$git_commit_title_escaped*
https://gitpull\.it/R4:$git_commit

Try this fresh test APK:
[Download $APK_NAME_ESCAPED]($BUILD_URL_ESCAPED)

APK fingerprint sha256:
$apix$APK_SHA256$apix"

        echo "DEBUG TELEGRAM CONTENT"
        echo "$telegram_chat_content"
        telegram-comment.sh "$TELEGRAM_BOT_TOKEN" "$TELEGRAM_CHAT_ID" "$telegram_chat_content" || true

fi

# delete very old files
echo "Cleaning"
find "$BUILD_DIR" -type f -mtime +120 -delete

# clean old APK in the repository to never re-use it by mistake
# as it happened when we moved everything to the /app directory
rm "$APK_PATH"

echo "Done"