# ========== 构建 Go 二进制 ==========
FROM golang:alpine AS builder

RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
    apk add --no-cache git ca-certificates tzdata

ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

ENV GO111MODULE=on
ENV GOPROXY=https://goproxy.cn,direct
ENV CGO_ENABLED=0
ENV GOTOOLCHAIN=auto
WORKDIR /build

COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN go build -ldflags="-s -w" -o main ./main.go


# ========== 运行时（FFmpeg + Python3 + PySceneDetect + Node.js + HyperFrames）==========
FROM alpine:3.21

# 阿里云镜像 + community 仓库
RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories \
    && echo "https://mirrors.aliyun.com/alpine/v3.21/community" >> /etc/apk/repositories \
    && apk add --no-cache ca-certificates tzdata ffmpeg python3 py3-pip nodejs npm \
    gcc musl-dev python3-dev linux-headers

ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

# opencv
RUN apk add --no-cache py3-opencv

# PySceneDetect（虚拟环境隔离）
RUN python3 -m venv --system-site-packages /opt/venv \
    && /opt/venv/bin/pip install --no-deps -i https://mirrors.aliyun.com/pypi/simple/ \
        --trusted-host mirrors.aliyun.com scenedetect \
    && /opt/venv/bin/pip install -i https://mirrors.aliyun.com/pypi/simple/ \
        --trusted-host mirrors.aliyun.com click platformdirs tqdm
ENV PATH=/opt/venv/bin:$PATH

RUN python3 -c "import scenedetect; print(f'scenedetect {scenedetect.__version__} installed')"

# HyperFrames
RUN npm install -g hyperframes --ignore-scripts

# Chromium + 中文字体
RUN apk add --no-cache chromium font-noto-cjk fontconfig \
    && fc-cache -f
RUN npx hyperframes browser ensure

WORKDIR /app

COPY --from=builder /build/main .
COPY config.yml .
COPY scripts/ ./scripts/

EXPOSE 3010

CMD ["./main"]