# === 阶段1：构建 Backend ===
FROM python:3.11-slim AS backend-builder

RUN rm -f /etc/apt/sources.list && \
    rm -rf /etc/apt/sources.list.d/* && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y ffmpeg && \
    rm -rf /var/lib/apt/lists/*

ENV PATH="/usr/bin:${PATH}"
ENV HF_ENDPOINT=https://hf-mirror.com

WORKDIR /tmp/backend
COPY ./backend /tmp/backend
RUN pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt

# === 阶段2：构建 Frontend ===
FROM node:18-alpine AS frontend-builder

RUN npm install -g pnpm
WORKDIR /tmp/frontend
COPY ./BillNote_frontend /tmp/frontend
RUN pnpm install && pnpm run build

# === 阶段3：完整应用镜像 ===
FROM python:3.11-slim

# 安装必要的运行时依赖
RUN rm -f /etc/apt/sources.list && \
    rm -rf /etc/apt/sources.list.d/* && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    echo "deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y ffmpeg nginx supervisor procps && \
    rm -rf /var/lib/apt/lists/*

ENV PATH="/usr/bin:${PATH}"
ENV HF_ENDPOINT=https://hf-mirror.com
ENV PYTHONUNBUFFERED=1

# 复制 Python 依赖
COPY --from=backend-builder /usr/local/lib/python3.11/site-packages /usr/local/lib/python3.11/site-packages
COPY --from=backend-builder /usr/local/bin /usr/local/bin

# 复制 backend 代码
COPY ./backend /app/backend
WORKDIR /app/backend

# 复制前端静态文件到 nginx
COPY --from=frontend-builder /tmp/frontend/dist /usr/share/nginx/html

# 配置 nginx
RUN rm -rf /etc/nginx/conf.d/default.conf
COPY ./nginx/default.conf /etc/nginx/conf.d/default.conf

# 创建 supervisor 配置
RUN mkdir -p /var/log/supervisor
COPY <<EOF /etc/supervisor/conf.d/supervisord.conf
[supervisord]
nodaemon=true
user=root
logfile=/var/log/supervisor/supervisord.log
pidfile=/var/run/supervisord.pid

[program:nginx]
command=nginx -g "daemon off;"
stdout_logfile=/var/log/supervisor/nginx.log
stderr_logfile=/var/log/supervisor/nginx.log
autorestart=true
priority=10

[program:backend]
command=python main.py
directory=/app/backend
stdout_logfile=/var/log/supervisor/backend.log
stderr_logfile=/var/log/supervisor/backend.log
autorestart=true
priority=20
environment=BACKEND_PORT="8483",BACKEND_HOST="0.0.0.0"
EOF

# 修改 nginx 配置以使用本地 backend
RUN sed -i 's/proxy_pass http:\/\/backend:8483/proxy_pass http:\/\/127.0.0.1:8483/g' /etc/nginx/conf.d/default.conf && \
    sed -i 's/proxy_pass http:\/\/frontend:80/proxy_pass http:\/\/127.0.0.1:8080/g' /etc/nginx/conf.d/default.conf

# 启动 supervisor
EXPOSE 80
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]