# BASE_REGISTRY 默认 docker.io；国内拉不到可换镜像源：
#   docker build --build-arg BASE_REGISTRY=docker.m.daocloud.io -f Dockerfile.complete .
ARG BASE_REGISTRY=docker.io

# === 阶段1：构建 Backend ===
FROM ${BASE_REGISTRY}/library/python:3.11-slim AS backend-builder

ARG APT_MIRROR=mirrors.tuna.tsinghua.edu.cn
ARG PIP_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple

RUN set -ex && \
    rm -f /etc/apt/sources.list && \
    rm -rf /etc/apt/sources.list.d/* && \
    echo "deb http://${APT_MIRROR}/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
    echo "deb http://${APT_MIRROR}/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    echo "deb http://${APT_MIRROR}/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y --no-install-recommends ffmpeg && \
    rm -rf /var/lib/apt/lists/*

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

WORKDIR /tmp/backend

# 先复制 requirements.txt 利用层缓存
COPY ./backend/requirements.txt /tmp/backend/requirements.txt
RUN pip install --no-cache-dir -i ${PIP_INDEX} -r requirements.txt

COPY ./backend /tmp/backend

# === 阶段2：构建 Frontend ===
# Node 18-alpine 跑不动 Tailwind v4 / Vite 6（前者要求 Node 20+，后者推荐 Node 20+），
# 升到 node:20-alpine。alpine 走 musl，pnpm 会按 lockfile 拉 *-linux-x64-musl native binary。
ARG BASE_REGISTRY=docker.io
FROM ${BASE_REGISTRY}/library/node:20-alpine AS frontend-builder

# 可由发布 workflow 从 git tag 注入，用于前端 About 页展示版本；未传时由 Vite 回退读取 tauri.conf.json。
ARG VITE_APP_VERSION=
ENV VITE_APP_VERSION=${VITE_APP_VERSION}

# pnpm 版本 pin 到 9 系列：
# - lockfile (BillNote_frontend/pnpm-lock.yaml) 是 lockfileVersion '9.0'，由 pnpm 9 生成
# - pnpm 11+ 要求 Node 22+，与 node:20 不兼容（ERR_UNKNOWN_BUILTIN_MODULE）
# - 不用 @latest 避免上游 pnpm 升级悄悄破坏 CI
RUN corepack enable && corepack prepare pnpm@9.15.0 --activate

WORKDIR /tmp/frontend

# 先复制 package.json + lockfile 利用依赖层缓存
# --frozen-lockfile 保证 CI 与本地开发依赖版本一致，杜绝 semver 漂移引入的破坏性升级
COPY ./BillNote_frontend/package.json ./BillNote_frontend/pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile

COPY ./BillNote_frontend /tmp/frontend

# 设置环境变量，告诉 vite.config.ts 这是 Docker 构建
ENV DOCKER_BUILD=1
RUN pnpm run build

# === 阶段3：完整应用镜像 ===
ARG BASE_REGISTRY=docker.io
FROM ${BASE_REGISTRY}/library/python:3.11-slim

ARG APT_MIRROR=mirrors.tuna.tsinghua.edu.cn

# 安装必要的运行时依赖
RUN set -ex && \
    rm -f /etc/apt/sources.list && \
    rm -rf /etc/apt/sources.list.d/* && \
    echo "deb http://${APT_MIRROR}/debian bookworm main contrib non-free non-free-firmware" > /etc/apt/sources.list && \
    echo "deb http://${APT_MIRROR}/debian bookworm-updates main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    echo "deb http://${APT_MIRROR}/debian-security bookworm-security main contrib non-free non-free-firmware" >> /etc/apt/sources.list && \
    apt-get update && \
    apt-get install -y --no-install-recommends 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
# 关键点：supervisord 默认 *不* 把自己的环境变量传给子进程。
# 在 [supervisord] 块用 environment= 设兜底默认值；在 [program:backend] 用
# %(ENV_*)s 显式引用，等价于「把 host 通过 docker run -e 或 env_file 传进来的
# 变量再透传给 python main.py」。漏掉这一步就是用户「改 .env 没反应」的根因。
# /app/backend/data 用于持久化数据库与笔记（见下方 DATABASE_URL / NOTE_OUTPUT_DIR），
# 预建好目录，避免不挂卷启动时 sqlite 因父目录不存在而创建库失败。
RUN mkdir -p /var/log/supervisor /app/backend/data
COPY <<EOF /etc/supervisor/conf.d/supervisord.conf
[supervisord]
nodaemon=true
user=root
logfile=/var/log/supervisor/supervisord.log
pidfile=/var/run/supervisord.pid
environment=BACKEND_PORT="8483",BACKEND_HOST="0.0.0.0",TRANSCRIBER_TYPE="fast-whisper",WHISPER_MODEL_SIZE="tiny",FFMPEG_BIN_PATH="",HF_ENDPOINT="https://hf-mirror.com",STATIC="/static",OUT_DIR="./static/screenshots",DATA_DIR="data",NOTE_OUTPUT_DIR="data/note_results",DATABASE_URL="sqlite:////app/backend/data/bili_note.db",IMAGE_BASE_URL="/static/screenshots",ENV="production",GROQ_TRANSCRIBER_MODEL="whisper-large-v3-turbo"

[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="%(ENV_BACKEND_PORT)s",BACKEND_HOST="%(ENV_BACKEND_HOST)s",TRANSCRIBER_TYPE="%(ENV_TRANSCRIBER_TYPE)s",WHISPER_MODEL_SIZE="%(ENV_WHISPER_MODEL_SIZE)s",FFMPEG_BIN_PATH="%(ENV_FFMPEG_BIN_PATH)s",HF_ENDPOINT="%(ENV_HF_ENDPOINT)s",STATIC="%(ENV_STATIC)s",OUT_DIR="%(ENV_OUT_DIR)s",DATA_DIR="%(ENV_DATA_DIR)s",NOTE_OUTPUT_DIR="%(ENV_NOTE_OUTPUT_DIR)s",DATABASE_URL="%(ENV_DATABASE_URL)s",IMAGE_BASE_URL="%(ENV_IMAGE_BASE_URL)s",ENV="%(ENV_ENV)s",GROQ_TRANSCRIBER_MODEL="%(ENV_GROQ_TRANSCRIBER_MODEL)s"
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
# 推荐启动方式（覆盖默认 env）：
#   docker run -d --name bilinote --env-file .env -p 8080:80 bilinote-aio
# 单个变量覆盖：
#   docker run -d -e TRANSCRIBER_TYPE=groq -e WHISPER_MODEL_SIZE=base ...
EXPOSE 80
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisor/conf.d/supervisord.conf"]