# Define global args
ARG DISTRO_VERSION

# Grab a fresh copy of the image and install ruby and build the runtime interface client gem
FROM centos:${DISTRO_VERSION} AS build-image

ARG RUNTIME_VERSION

RUN yum update -y && \
    yum install -y git-core zlib zlib-devel gcc-c++ patch readline readline-devel libffi-devel openssl-devel make bzip2 autoconf automake libtool bison curl sqlite-devel

RUN rm -rf /root/.rbenv/
RUN git clone https://github.com/rbenv/rbenv.git /root/.rbenv
ENV PATH="/root/.rbenv/bin:$PATH"
RUN echo 'eval "$(rbenv init -)"' >> /root/.bashrc
RUN git clone https://github.com/rbenv/ruby-build.git /root/.rbenv/plugins/ruby-build
RUN source /root/.bashrc
RUN RUNTIME_VERSIONS=($(rbenv install -L | grep  -oE $(echo "^${RUNTIME_VERSION}\.[0-9]+"))) && \
    RUNTIME_LATEST_VERSION=${RUNTIME_VERSIONS[-1]} && \
    rbenv install -v ${RUNTIME_LATEST_VERSION} && \
    rbenv global ${RUNTIME_LATEST_VERSION} && \
    cp /root/.rbenv/versions/${RUNTIME_LATEST_VERSION}/bin/gem /usr/local/bin/gem && \
    cp /root/.rbenv/versions/${RUNTIME_LATEST_VERSION}/bin/rake /usr/local/bin/rake && \
    gem install bundler

ARG RIC_BUILD_DIR="/build"
# Create directory to build the Runtime Interface Client gem
RUN mkdir -p ${RIC_BUILD_DIR}

WORKDIR ${RIC_BUILD_DIR}
COPY . .
RUN rake build


# Grab a fresh copy of the Ruby image
FROM centos:${DISTRO_VERSION}

ARG RUNTIME_VERSION

# Copy ruby from the build-image
COPY --from=build-image /root/.rbenv /root/.rbenv

ENV PATH="/root/.rbenv/bin:$PATH"

# Copy the Runtime Interface Client gem and install it
ARG RIC_BUILD_DIR="/build"
COPY --from=build-image ${RIC_BUILD_DIR}/pkg/aws_lambda_ric*.gem aws_lambda_ric.gem
RUN RUNTIME_VERSIONS=($(rbenv install -L | grep  -oE $(echo "^${RUNTIME_VERSION}\.[0-9]+"))) && \
    RUNTIME_LATEST_VERSION=${RUNTIME_VERSIONS[-1]} && \
    cp /root/.rbenv/versions/${RUNTIME_LATEST_VERSION}/bin/gem /usr/local/bin/gem && \
    gem install aws_lambda_ric.gem && \
    cp /root/.rbenv/versions/${RUNTIME_LATEST_VERSION}/bin/aws_lambda_ric /usr/local/bin/aws_lambda_ric

ARG FUNCTION_DIR="/function"

RUN mkdir -p ${FUNCTION_DIR}
# Copy function code
COPY test/integration/test-handlers/echo/* ${FUNCTION_DIR}
# Set working directory to function root directory
WORKDIR ${FUNCTION_DIR}

ENTRYPOINT ["aws_lambda_ric"]
CMD ["app.App::Handler.process"]