#!/bin/sh

set -eu

export SQUAD_RELEASE=1

v=$(python3 -c 'from squad.version import __version__ as v; print(v)')
if git rev-parse --verify --quiet "${v}" >/dev/null; then
    echo "Version ${v} has already been released. Let's prepare a new one"
    editor squad/version.py
fi

v=$(python3 -c 'from squad.version import __version__ as v; print(v)')
if git rev-parse --verify --quiet "${v}" >/dev/null; then
    echo "Version ${v} has already been released. Aborting"
    exit 1
fi

if ! grep -q "^# $v" CHANGELOG.md; then
    echo "Let's now document the changes in CHANGELOG.md"
    editor CHANGELOG.md
fi

if ! grep -q "^# $v" CHANGELOG.md; then
    echo "E: Version $v is not documented in CHANGELOG.md. Please do that before releasing"
    exit 1
fi

changed=$(git diff-index --name-only HEAD -- | (grep -v 'CHANGELOG.md\|squad/version.py' || true))
if [ -n "$changed" ]; then
    echo "E: uncommited changes found; cannot release like this"
    echo "I: changed files:"
    echo "$changed"
    echo "I: CHANGELOG.md and squad/version.py are excused, they would be committed automatically"
    exit 1
fi

if [ "${TEST:-yes}" != "no" ]; then
    ./manage.py test
fi

git commit --message "New release: ${v}" CHANGELOG.md squad/version.py || true

if ! ./scripts/check-ci; then
    printf "Are you sure you want to continue? [y/N]"
    read -r confirm
    if [ "$confirm" != 'y' ] && [ "$confirm" != 'Y' ]; then
        exit 1
    fi
fi

# build
rm -rf build/ dist/ *.egg-info/
local_settings=$(ls -1 squad/local_settings.py 2>/dev/null || true)
if [ -n "$local_settings" ]; then
    mv "$local_settings" "$local_settings".off
fi
python3 setup.py sdist bdist_wheel

# test
tar=$(mktemp tar.XXXXXXXXX)
git=$(mktemp git.XXXXXXXXX)
trap cleanup INT TERM EXIT
cleanup() {
    rm -rf "$tar" "$git"
    if [ -n "$local_settings" ]; then
        mv "$local_settings".off "$local_settings"
    fi
}
git ls-tree -r --name-only HEAD | sort > "$git"

downloads=$(awk '{ if ($1 && $1 !~ /^#/) { print($1)} }' squad/frontend/static/download.conf | xargs printf '%s\|')
tar taf dist/squad-${v}.tar.gz | cut -d / -f 2- | grep -v '\(/$\|^$\|PKG-INFO\|egg-info\|static\/\('$downloads'download.status\)\)' | sort > "$tar"
diff -u "$tar" "$git"

# sign & upload
for f in dist/*; do
    gpg --detach-sign --armor "$f"
done
twine upload dist/*

git tag -s -m "SQUAD release $v" "$v"
git push
git push --tags

rm -rf build/
rm -rf dist/
