#!/bin/bash

set -e # fail on any error
set -u # treat unset variables as error

# some necromancy:
# gsub(/"/, "", $2) deletes "qoutes"
# gsub(/ /, "", $2) deletes whitespaces
TRACK=`awk -F '=' '/^track/ {gsub(/"/, "", $2); gsub(/ /, "", $2); print $2}' ./util/version/Cargo.toml`
echo Track is: $TRACK

case ${TRACK} in
  nightly) export GRADE="devel" CHANNEL="edge";;
  beta) export GRADE="stable" CHANNEL="beta";;
  stable) export GRADE="stable" CHANNEL="stable";;
  *) echo "No release" && exit 0;;
esac

VERSION="v"$VERSION
SNAP_PACKAGE="parity_"$VERSION"_"$BUILD_ARCH".snap"

echo "__________Create snap package__________"
echo "Release channel :" $GRADE " Branch/tag: " $CI_COMMIT_REF_NAME
echo $VERSION:$GRADE:$BUILD_ARCH
# cat scripts/snap/snapcraft.template.yaml | envsubst '$VERSION:$GRADE:$BUILD_ARCH:$CARGO_TARGET' > snapcraft.yaml
# a bit more necromancy (substitutions):
pwd
cd /builds/$CI_PROJECT_PATH/scripts/snap/
sed -e 's/$VERSION/'"$VERSION"'/g' \
    -e 's/$GRADE/'"$GRADE"'/g' \
    -e 's/$BUILD_ARCH/'"$BUILD_ARCH"'/g' \
    -e 's/$CARGO_TARGET/'"$CARGO_TARGET"'/g' \
    snapcraft.template.yaml > /builds/$CI_PROJECT_PATH/snapcraft.yaml
cd /builds/$CI_PROJECT_PATH
pwd
apt update
apt install -y --no-install-recommends rhash
cat snapcraft.yaml
snapcraft --target-arch=$BUILD_ARCH
ls *.snap

echo "__________Calculating checksums__________"
rhash --sha256 $SNAP_PACKAGE -o $SNAP_PACKAGE".sha256"
cat $SNAP_PACKAGE".sha256"

echo "__________Releasing snap package__________"
echo "Release channel :" $CHANNEL " Branch/tag: " $CI_COMMIT_REF_NAME

echo $SNAPCRAFT_LOGIN_PARITY_BASE64 | base64 --decode > snapcraft.login
snapcraft login --with snapcraft.login
snapcraft push --release $CHANNEL $SNAP_PACKAGE
case ${CHANNEL} in
  beta) snapcraft push --release candidate $SNAP_PACKAGE;;
esac
snapcraft status parity
snapcraft logout