FROM debian:13

ENV PATH="$PATH:/opt/flutter/bin"

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl unzip git xz-utils zip libglu1-mesa \
    && rm -rf /var/lib/apt/lists/*

# Install Flutter
RUN git clone https://github.com/flutter/flutter.git /opt/flutter \
    && cd /opt/flutter \
    && git checkout $FLUTTER_VERSION \
    && flutter precache --android

# Set up Android SDK
ENV ANDROID_HOME=/opt/android-sdk
ENV PATH=${PATH}:${ANDROID_HOME}/cmdline-tools/latest/bin:${ANDROID_HOME}/platform-tools:${ANDROID_HOME}/build-tools/36.0.0

RUN mkdir -p ${ANDROID_HOME}/cmdline-tools \
    && wget https://dl.google.com/android/repository/commandlinetools-linux-13114758_latest.zip -O commandlinetools.zip \
    && unzip commandlinetools.zip -d ${ANDROID_HOME}/cmdline-tools \
    && mv ${ANDROID_HOME}/cmdline-tools/cmdline-tools ${ANDROID_HOME}/cmdline-tools/latest \
    && rm commandlinetools.zip && yes | sdkmanager --licenses \
    && sdkmanager "platform-tools" "platforms;android-36" "build-tools;36.0.0" \
    && chown -R node:node ${ANDROID_HOME}

# Pre-warm Flutter
RUN flutter doctor -v