# Stage 1: Builder Stage
FROM ubuntu:22.04 AS builder

# Install build dependencies
RUN apt-get -y update && \
    apt-get install --no-install-recommends --yes \
    build-essential pkg-config uuid-dev zlib1g-dev libjpeg-dev libsqlite3-dev \
    libcurl4-openssl-dev libpcre3-dev libspeexdsp-dev libldns-dev libedit-dev \
    libtiff5-dev yasm libopus-dev libsndfile1-dev unzip libavformat-dev \
    libswscale-dev liblua5.2-dev cmake libpq-dev unixodbc-dev autoconf \
    automake libxml2-dev git ca-certificates libtool wget && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /usr/local/src

# Clone and build libks
RUN git clone https://github.com/signalwire/libks.git libks && \
    cd libks && \
    cmake . && \
    make -j$(nproc) && \
    make install

# Clone and build signalwire-c
RUN git clone https://github.com/signalwire/signalwire-c.git signalwire-c && \
    cd signalwire-c && \
    cmake . && \
    make -j$(nproc) && \
    make install

# Clone and build sofia-sip
RUN git clone https://github.com/freeswitch/sofia-sip.git sofia-sip && \
    cd sofia-sip && \
    ./bootstrap.sh && \
    ./configure && \
    make -j$(nproc) && \
    make install

# Clone and build spandsp (with specific commit)
RUN git clone https://github.com/freeswitch/spandsp.git spandsp && \
    cd spandsp && \
    git checkout -b finecode20230705 0d2e6ac65e0e8f53d652665a743015a88bf048d4 && \
    ./bootstrap.sh && \
    ./configure && \
    make -j$(nproc) && \
    make install

# Download and build FreeSwitch
RUN wget -c https://files.freeswitch.org/releases/freeswitch/freeswitch-1.10.12.-release.tar.gz -P /usr/local/src && \
    tar -zxvf freeswitch-1.10.12.-release.tar.gz && \
    cd freeswitch-1.10.12.-release && \
    ./configure && \
    make -j$(nproc) && \
    make install && \
    make cd-sounds-install && \
    make cd-moh-install

# Patch default FreeSwitch config (fix IPv4 bug)
RUN sed -i 's/<param name="listen-ip" value="::"\/>/<param name="listen-ip" value="127.0.0.1"\/>/' \
    /usr/local/freeswitch/conf/autoload_configs/event_socket.conf.xml

# Stage 2: Runtime Stage
FROM ubuntu:22.04

# Install runtime dependencies only
RUN apt-get -y update && \
    apt-get install --no-install-recommends --yes \
    zlib1g libjpeg8 libsqlite3-0 libcurl4 libpcre3 libspeexdsp1 \
    libedit2 libtiff5 libopus0 libsndfile1 libavformat58 libswscale5 \
    liblua5.2-0 libpq5 unixodbc libxml2 ca-certificates ntpdate && \
    rm -rf /var/lib/apt/lists/*

# Copy FreeSwitch and runtime libraries from builder
COPY --from=builder /usr/local/freeswitch /usr/local/freeswitch
COPY --from=builder /usr/local/lib/libks* /usr/local/lib/
COPY --from=builder /usr/local/lib/libsignalwire* /usr/local/lib/
COPY --from=builder /usr/local/lib/libsofia-sip* /usr/local/lib/
COPY --from=builder /usr/local/lib/libspandsp* /usr/local/lib/

COPY --from=builder /usr/local/freeswitch/conf /usr/local/freeswitch/default-conf

# Update linker cache
RUN ldconfig

# Copy entrypoint
COPY ./entrypoint.sh /entrypoint.sh
# Set PATH
ENV PATH="$PATH:/usr/local/freeswitch/bin"

# Expose ports
# ref: https://developer.signalwire.com/freeswitch/FreeSWITCH-Explained/Networking/Firewall_1048908/
EXPOSE 1719/udp
EXPOSE 1720/tcp
EXPOSE 2855-2856/tcp
EXPOSE 3478/udp
EXPOSE 3479/udp
EXPOSE 5002/udp
EXPOSE 5003/udp
EXPOSE 5060/tcp
EXPOSE 5060/udp
EXPOSE 5070/tcp
EXPOSE 5070/udp
EXPOSE 5080/tcp
EXPOSE 5080/udp
EXPOSE 8021/tcp
EXPOSE 16384-32768/udp
EXPOSE 5066/tcp
EXPOSE 7443/tcp
EXPOSE 8081-8082/tcp

# Set working directory and command
WORKDIR /usr/local/freeswitch
ENTRYPOINT ["/entrypoint.sh"]
#CMD ["/usr/local/freeswitch/bin/freeswitch"]