#!/usr/bin/env bash

# Generates version based on git tag.
LATEST_TAG=$(git tag | tail -n 1)

# Check latest tag commit. If it is equal to current - use that tag as version.
if [ "${LATEST_TAG}" != "" ]; then
    LATEST_TAG_COMMIT=$(git rev-list -n 1 $LATEST_TAG)
    LATEST_COMMIT=$(git rev-list -n 1 HEAD)

    if [ "${LATEST_TAG_COMMIT}" == "${LATEST_COMMIT}" ]; then
        echo "${LATEST_TAG}"

        exit 0
    fi
else
    # No tags in repo. Assuming latest tag is "v0.0.0".
    LATEST_TAG="0.0.0"
fi

# If we're here, then latest tag commit is not latest commit on current branch.
# We should increase second number and add "-dev" postfix.
IFS=. read MAJOR MINOR PATCH <<<"${LATEST_TAG}"
MINOR=$(($MINOR + 1))

case $1 in
client)
    echo "${MAJOR}.${MINOR}.${PATCH}"
    ;;
*)
    echo "v${MAJOR}.${MINOR}.${PATCH}-dev"
    ;;
esac