# ============================================================
# Worker 统一基础镜像（预构建）
# 预装系统依赖 + Python 全部依赖 + CJK 字体
# 业务构建从此镜像开始，只需 COPY 业务代码，构建时间 < 5 分钟
# 当 requirements-*.txt 变更时重新构建
# ============================================================

FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim

# 使用阿里云镜像加速
RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
    sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true

# 预装系统依赖（编译工具 + 运行时 + CJK 字体用于 ASS 字幕渲染）
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    python3-dev \
    binutils \
    ffmpeg \
    libglib2.0-0 \
    fonts-noto-cjk \
    && fc-cache -fv \
    && rm -rf /var/lib/apt/lists/*

# 创建虚拟环境
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

WORKDIR /tmp

# 预装全部 Python 依赖（基础 + Worker 大包 + 业务依赖）
COPY requirements-base.txt requirements.txt requirements-worker.txt ./
RUN pip install --no-cache-dir \
    -i https://mirrors.aliyun.com/pypi/simple/ \
    --trusted-host mirrors.aliyun.com \
    -r requirements-base.txt \
    -r requirements-worker.txt \
    -r requirements.txt

# 虚拟环境瘦身
RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true
RUN find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null; \
    find /opt/venv -name "*.pyc" -delete 2>/dev/null || true

# 清理临时文件
RUN rm -f /tmp/requirements-base.txt /tmp/requirements.txt /tmp/requirements-worker.txt

ENV PYTHONPATH=/app:/app/packages