# 多阶段构建Dockerfile for AMD64平台
# RTSP视频流并发拉取系统

# 构建参数定义平台架构，默认为linux/amd64
ARG BUILDPLATFORM=linux/amd64
ARG TARGETPLATFORM=linux/amd64

# ============================================
# 阶段1: 构建环境
# ============================================
FROM --platform=$BUILDPLATFORM ubuntu:22.04 AS builder

# 设置环境变量避免交互式提示
ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=Asia/Shanghai

# 安装构建依赖
RUN apt-get update && apt-get install -y \
    build-essential \
    cmake \
    git \
    wget \
    pkg-config \
    libavcodec-dev \
    libavformat-dev \
    libavutil-dev \
    libswscale-dev \
    libfmt-dev \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# 手动安装Boost 1.81（支持JSON组件）
RUN cd /tmp && \
    wget https://boostorg.jfrog.io/artifactory/main/release/1.81.0/source/boost_1_81_0.tar.gz && \
    tar -xzf boost_1_81_0.tar.gz && \
    cd boost_1_81_0 && \
    ./bootstrap.sh --with-libraries=system,json && \
    ./b2 -j$(nproc) install && \
    cd / && \
    rm -rf /tmp/boost_1_81_0*

# 创建工作目录
WORKDIR /app

# 复制项目文件
COPY CMakeLists.txt ./
COPY include/ ./include/
COPY src/ ./src/
COPY main.cpp ./
COPY config.json ./
COPY video_manager.html ./

# 创建构建目录并编译
RUN mkdir -p build && \
    cd build && \
    cmake .. && \
    make -j$(nproc)

# ============================================
# 阶段2: 运行环境
# ============================================
FROM ubuntu:22.04

# 设置环境变量
ENV DEBIAN_FRONTEND=noninteractive
ENV TZ=Asia/Shanghai

# 安装运行时依赖
RUN apt-get update && apt-get install -y \
    libavcodec-dev \
    libavformat-dev \
    libavutil-dev \
    libswscale-dev \
    libfmt-dev \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# 从构建阶段复制Boost库
COPY --from=builder /usr/local/lib/libboost* /usr/local/lib/
COPY --from=builder /usr/local/include/boost /usr/local/include/boost
# 更新库链接缓存
RUN ldconfig

# 创建应用目录
WORKDIR /app

# 从构建阶段复制编译好的可执行文件
COPY --from=builder /app/build/jtjai_media /app/jtjai_media

# 复制配置文件和Web资源
COPY --from=builder /app/config.json /app/config.json
COPY --from=builder /app/video_manager.html /app/video_manager.html

# 创建输出目录
RUN mkdir -p /app/output

# 暴露HTTP服务端口
EXPOSE 8080

# 设置启动命令
CMD ["/app/jtjai_media", "/app/config.json"]