#!/bin/sh

root="$(pwd)"
branch=$(git symbolic-ref HEAD 2>/dev/null || echo "?")
branch="${branch##refs/heads/}"

# Only test changes on main branch
if ! [ "$branch" = "main" ]; then
    exit 0;
fi

# Trigger cleanup if tests are interrupted.
cleanup() {
    printf "\033[31mTests aborted.\033[0m\n";
    rm -rf "$root/.test";
    exit;
}

trap cleanup HUP INT ABRT TERM;

cat <<EOF
I see you've committed to $branch! Time to test.
(Press ^C to abort.)

EOF

# Remove test directory if present.
rm -rf "$root/.test"

# Make and change into test directory.
mkdir "$root/.test" || exit;
cd "$root/.test" || exit;

# Clone the current repository into the test directory and change into it.
git clone .. repo 2>> "$root/.test/results"
cd "$root/.test/repo" 2>> "$root/.test/results" || exit;

touch "$root/.test/results";

# Run tests and show certain lines of output if successful.
if make test-ci > "$root/.test/results" 2>&1; then
    grep 'Done fetching communities' -A1 --color=no "$root/.test/results";
	grep -E 'Generated [[:digit:]]+ listings' -B1 --color=no "$root/.test/results";
    cat <<EOF
Tests passed.
Run \`make test\` to test the webpage yourself.
EOF
else
	# Show end of output if tests were not successful.
    printf "\033[31mTests failed.\033[0m";
    tail -n10 "$root/.test/results";
    echo "See $root/.test/results for the full log."
    exit 1;
fi

# Forget the cloned repository has version control to decrease clutter.
rm -rf "$root/.test/repo/.git" || exit;

# Return to main repository
cd "$root" || exit;