FROM debian:trixie-slim

# Install essential packages for bootc compatibility
RUN apt-get update && apt-get install -y \
    ostree \
    ostree-boot \
    systemd \
    systemd-boot \
    linux-image-amd64 \
    grub-efi-amd64 \
    openssh-server \
    sudo \
    curl \
    wget \
    ca-certificates \
    polkitd \
    pkexec \
    libpolkit-gobject-1-0 \
    && rm -rf /var/lib/apt/lists/*

# Download and install bootc package
RUN wget https://git.raines.xyz/robojerk/-/packages/debian/bootc/1.6.0-1~trixie1/files/495 -O bootc_1.6.0-1~trixie1_amd64.deb && \
    dpkg -i bootc_1.6.0-1~trixie1_amd64.deb && \
    rm bootc_1.6.0-1~trixie1_amd64.deb

# Create a default user
RUN useradd -m -s /bin/bash -G sudo debian && \
    echo "debian:debian123" | chpasswd

# Configure SSH
RUN mkdir -p /home/debian/.ssh && \
    chmod 700 /home/debian/.ssh && \
    chown debian:debian /home/debian/.ssh

# ===== OSTREE FILESYSTEM TRANSFORMATION =====
# This is the critical step that transforms traditional Debian to OSTree

# Initialize OSTree repository
RUN mkdir -p /ostree/repo && \
    ostree init --repo=/ostree/repo --mode=bare-user

# Create OSTree deployment structure
RUN ostree admin init-fs / && \
    ostree admin stateroot-init debian

# Create a simple OSTree commit from the current filesystem
RUN mkdir -p /tmp/ostree-commit && \
    cd /tmp/ostree-commit && \
    # Copy only the files we want in OSTree (exclude special filesystems)
    cp -r /bin . && \
    cp -r /lib . && \
    cp -r /lib64 . && \
    cp -r /sbin . && \
    cp -r /usr . && \
    cp -r /etc . && \
    cp -r /var . && \
    cp -r /home . && \
    cp -r /root . && \
    cp -r /boot . && \
    # Create essential directories properly
    mkdir -p proc && \
    mkdir -p sys && \
    mkdir -p dev && \
    mkdir -p tmp && \
    mkdir -p run && \
    mkdir -p media && \
    mkdir -p mnt && \
    mkdir -p ostree && \
    # Create OSTree-expected kernel locations
    mkdir -p usr/lib/ostree-boot && \
    # Debug: check what's in boot directory
    echo "Boot directory contents:" && ls -la boot/ && \
    # Move kernel and initrd to OSTree-expected location
    if [ -f boot/vmlinuz-6.12.41+deb13-amd64 ]; then \
        cp boot/vmlinuz-6.12.41+deb13-amd64 usr/lib/ostree-boot/ && \
        echo "Kernel copied successfully"; \
    else \
        echo "Kernel not found!" && \
        find boot/ -name "*vmlinuz*" -o -name "*kernel*" 2>/dev/null; \
    fi && \
    if [ -f boot/initrd.img-6.12.41+deb13-amd64 ]; then \
        cp boot/initrd.img-6.12.41+deb13-amd64 usr/lib/ostree-boot/ && \
        echo "Initrd copied successfully"; \
    else \
        echo "Initrd not found!" && \
        find boot/ -name "*initrd*" 2>/dev/null; \
    fi && \
    # Create the commit
    ostree commit \
        --repo=/ostree/repo \
        --branch=debian/trixie/x86_64 \
        --subject="Debian trixie system" \
        --tree=dir=. && \
    echo "OSTree commit created successfully" && \
    # Clean up
    cd / && rm -rf /tmp/ostree-commit

# Deploy the OSTree commit to create proper deployment structure
# Note: Deployment will be done at runtime when the container boots
RUN echo "OSTree commit created, deployment will be done at runtime" && \
    echo "Commit hash: $(ostree rev-parse --repo=/ostree/repo debian/trixie/x86_64)"

# Configure OSTree
RUN mkdir -p /etc/ostree && \
    echo "[origin]" > /etc/ostree/remotes.d/origin.conf && \
    echo "repo=/ostree/repo" >> /etc/ostree/remotes.d/origin.conf

# Configure bootloader
RUN mkdir -p /boot/loader/entries

# Add bootc compatibility layer script
COPY bootc-compat.sh /usr/local/bin/bootc-compat.sh
RUN chmod +x /usr/local/bin/bootc-compat.sh

# Set up bootc status directory
RUN mkdir -p /usr/lib/bootc

# Create bootc status file
RUN echo '{' > /usr/lib/bootc/status.json && \
    echo '  "apiVersion": "org.containers.bootc/v1alpha1",' >> /usr/lib/bootc/status.json && \
    echo '  "kind": "BootcHost",' >> /usr/lib/bootc/status.json && \
    echo '  "spec": {' >> /usr/lib/bootc/status.json && \
    echo '    "image": {' >> /usr/lib/bootc/status.json && \
    echo '      "image": "localhost/debian-bootc:latest"' >> /usr/lib/bootc/status.json && \
    echo '    }' >> /usr/lib/bootc/status.json && \
    echo '  },' >> /usr/lib/bootc/status.json && \
    echo '  "status": {' >> /usr/lib/bootc/status.json && \
    echo '    "booted": {' >> /usr/lib/bootc/status.json && \
    echo '      "image": {' >> /usr/lib/bootc/status.json && \
    echo '        "image": "localhost/debian-bootc:latest",' >> /usr/lib/bootc/status.json && \
    echo '        "imageDigest": "sha256:$(echo -n '\''debian-bootc'\'' | sha256sum | cut -d'\'' '\'' -f1)"' >> /usr/lib/bootc/status.json && \
    echo '      }' >> /usr/lib/bootc/status.json && \
    echo '    }' >> /usr/lib/bootc/status.json && \
    echo '  }' >> /usr/lib/bootc/status.json && \
    echo '}' >> /usr/lib/bootc/status.json

# Set proper labels
LABEL bootc.filesystem="ext4"
LABEL bootc.architecture="x86_64"
LABEL ostree.commit="debian/trixie/x86_64"

CMD ["/usr/local/bin/bootc-compat.sh"]