# Use specific Ubuntu version for reproducibility
FROM ubuntu:22.04

LABEL maintainer="Brax <support@braxtech.net>" \
      description="Ubuntu Touch OS build environment" \
      version="1.0"

# Set build arguments for flexibility
ARG CCACHE_SIZE=10G
ARG DEBIAN_FRONTEND=noninteractive
ARG TZ=UTC

# Environment variables
ENV DEBIAN_FRONTEND=${DEBIAN_FRONTEND} \
    TZ=${TZ} \
    USE_CCACHE=1 \
    CCACHE_EXEC=/usr/bin/ccache \
    JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64

# Set timezone to prevent tzdata interactive prompt
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
    echo $TZ > /etc/timezone

# Update package lists and install essential packages
RUN dpkg --add-architecture i386 && \
    apt-get update && \
    apt-get install --no-install-recommends -y \
        # Build essentials \
        software-properties-common \
        bc \
        bison \
        build-essential \
        ccache \
        curl \
        git \
        gnupg \
        ca-certificates \
        cpio \
        curl \
        fakeroot \
        flex  \
        kmod \
        libelf-dev \
        libssl-dev \
        libtinfo5 \
        lz4 \
        python3 \
        sudo  \
        img2simg \
        simg2img \
        unzip \
        zip \
        wget \
        zstd \
        jq \
        libncurses5 \
        imagemagick \
        liblz4-tool \
        schedtool \
        xsltproc \
        rsync \
        libxml2-utils \
        python3-markdown \
        tofrodos \
        python2 \
        gperf \
        bzr \
        libc6-dev \
        libncurses5-dev:i386 \
        x11proto-core-dev \
        libx11-dev:i386 \
        libreadline6-dev:i386 \
        libgl1-mesa-glx:i386 \
        libgl1-mesa-dev \
        g++-multilib \
        mingw-w64-i686-dev  \
        zlib1g-dev:i386 \
        lzop \
        xz-utils && \
    # Clean up package cache
    apt-get autoclean && \
    rm -rf /var/lib/apt/lists/*

# python 2 is required for some android build tools
RUN update-alternatives --install /usr/bin/python python /usr/bin/python2 1

# Download and install Android platform-tools
RUN mkdir -p /opt/platform-tools && \
    cd /opt/platform-tools && \
    wget -q https://dl.google.com/android/repository/platform-tools-latest-linux.zip && \
    unzip -q platform-tools-latest-linux.zip && \
    rm platform-tools-latest-linux.zip && \
    mv platform-tools/* . && \
    rmdir platform-tools && \
    chmod +x adb fastboot

# Add platform-tools to PATH
ENV PATH="/opt/platform-tools:${PATH}"

# Configure ccache
RUN ccache -M ${CCACHE_SIZE} && \
    ccache -s

# Create workspace directory with proper ownership
RUN mkdir -p /workspace && \
    chown -R ${BUILD_USER}:${BUILD_USER} /workspace

# Copy and set up entrypoint script
COPY --chown=root:root docker-entrypoint.sh /usr/local/bin/docker-entrypoint
COPY --chown=root:root docker-build.sh /usr/local/bin/docker-build
RUN chmod +x /usr/local/bin/docker-entrypoint && \
    chmod +x /usr/local/bin/docker-build

# Switch to non-root user for security
USER root
WORKDIR /workspace

# Set up user-specific configurations
RUN echo 'export USE_CCACHE=1' >> ~/.bashrc && \
    echo 'export CCACHE_EXEC=/usr/bin/ccache' >> ~/.bashrc

# Set entrypoint and default command
ENTRYPOINT ["docker-entrypoint"]
CMD ["/bin/bash"]