FROM python:3.13-alpine

ARG TARGET=thechart
ARG ICON=chart-671.png
ARG UID=1000
ARG GUID=1000

USER root
WORKDIR /app

RUN apk add --no-cache \
    build-base \
    libffi-dev \
    musl-dev \
    libressl-dev \
    tk-dev \
    tcl-dev \
    xorg-server \
    xauth \
    xvfb \
    font-terminus font-inconsolata font-dejavu font-noto font-noto-cjk font-awesome font-noto-extra \
    && pip install --upgrade pip && pip install pyinstaller python-dotenv

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# RUN export uid=$UID gid=$GUID
RUN mkdir -p /home/docker_user
RUN echo "docker_user:x:${UID}:${GUID}:docker_user,,,:/home/docker_user:/bin/bash" >> /etc/passwd
RUN echo "docker_user:x:${UID}:" >> /etc/group
RUN mkdir -p /etc/sudoers.d && echo "docker_user ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/docker_user
RUN chmod 0440 /etc/sudoers.d/docker_user
RUN chown -R ${UID}:${GUID} /home/docker_user

COPY --chown=${UID}:${GUID} --chmod=765 ./src/ ./src/
COPY --chown=${UID}:${GUID} --chmod=765 ./.env .
COPY --chown=${UID}:${GUID} --chmod=765 ./thechart_data.csv .
COPY --chown=${UID}:${GUID} --chmod=765 ./${ICON} .

ARG HOME=/home/docker_user
ENV HOME=/home/docker_user

# Make sure the icon file and data file are in the right location
RUN cp -f ./${ICON} ./src/ && cp -f ./thechart_data.csv ./.env ./src/

# Debug the environment
RUN echo "Icon file is: ${ICON}"
RUN ls -la ./src/

# Use a shell command with variable expansion to make sure variables are properly substituted
RUN sh -c "pyinstaller --name ${TARGET} --optimize 2 --onefile --windowed --hidden-import='PIL._tkinter_finder' --icon=./src/chart-671.png --add-data='.env:.' --add-data='./src/chart-671.png:.' --add-data='./src/thechart_data.csv:.' --distpath ${HOME}/${TARGET} ./src/main.py"

RUN chown -R ${UID}:${GUID} /home/docker_user/
RUN chmod -R 777 /home/docker_user/${TARGET}

# Set environment variables for X11 forwarding
ENV DISPLAY=:0
ENV XAUTHORITY=/tmp/.docker.xauth
ENV QT_X11_NO_MITSHM=1

# Create a startup script to handle X11 setup and application launch
# Create a proper entrypoint script with correct line endings
RUN echo '#!/bin/sh' > /home/docker_user/entrypoint.sh && \
    echo 'set -e' >> /home/docker_user/entrypoint.sh && \
    echo 'echo "Starting entrypoint script..."' >> /home/docker_user/entrypoint.sh && \
    echo 'echo "DISPLAY=$DISPLAY"' >> /home/docker_user/entrypoint.sh && \
    echo 'echo "XAUTHORITY=$XAUTHORITY"' >> /home/docker_user/entrypoint.sh && \
    echo 'echo "HOME=$HOME"' >> /home/docker_user/entrypoint.sh && \
    echo 'mkdir -p $(dirname $XAUTHORITY)' >> /home/docker_user/entrypoint.sh && \
    echo 'touch $XAUTHORITY || echo "Warning: Could not create $XAUTHORITY file"' >> /home/docker_user/entrypoint.sh && \
    echo 'xauth nlist $DISPLAY | sed -e "s/^..../ffff/" | xauth -f $XAUTHORITY nmerge - || echo "Warning: X auth setup failed"' >> /home/docker_user/entrypoint.sh && \
    echo "echo \"Starting application: \$HOME/${TARGET}/${TARGET}\"" >> /home/docker_user/entrypoint.sh && \
    echo "exec \$HOME/${TARGET}/${TARGET}" >> /home/docker_user/entrypoint.sh && \
    chmod +x /home/docker_user/entrypoint.sh

USER docker_user

# Set the entrypoint to our startup script through shell
ENTRYPOINT ["/bin/sh"]
CMD ["-c", "/home/docker_user/entrypoint.sh"]