ARG ALPINE_VER="3.15"
FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as fetch-stage

############## fetch stage ##############

# package versions
ARG MP3GAIN_VER="1.6.2"
ARG MP3VAL_VER="0.1.8"

# install fetch packages
RUN \
  apk add --no-cache \
    bash \
    curl \
    git \
    jq \
    unzip

# set shell
SHELL ["/bin/bash", "-o", "pipefail", "-c"]

# fetch source code
RUN \
  set -ex && \
  mkdir -p \
    /tmp/beets-src \
    /tmp/mp3gain-src \
    /tmp/mp3val-src && \
  if [ -z ${BEETS_VERSION+x} ] ; then \
  BEETS_RAW_COMMIT=$(curl -sX GET "https://api.github.com/repos/beetbox/beets/commits/master" \
    | jq -r .sha) && \
  BEETS_VERSION="${BEETS_RAW_COMMIT:0:7}"; \
  fi && \
  curl -o \
  /tmp/beets.tar.gz -sL \
    "https://github.com/sampsyo/beets/archive/${BEETS_VERSION}.tar.gz" && \
  curl -o \
  /tmp/mp3gain.zip -sL \
    "https://sourceforge.net/projects/mp3gain/files/mp3gain/${MP3GAIN_VER}/mp3gain-${MP3GAIN_VER//./_}-src.zip" && \
  curl -o \
  /tmp/mp3val.tar.gz -sL \
    "https://downloads.sourceforge.net/mp3val/mp3val-${MP3VAL_VER}-src.tar.gz" && \
  tar xf \
    /tmp/beets.tar.gz -C \
    /tmp/beets-src --strip-components=1 && \
  unzip -q /tmp/mp3gain.zip -d /tmp/mp3gain-src && \
  tar xf \
    /tmp/mp3val.tar.gz -C \
    /tmp/mp3val-src --strip-components=1 && \
  git clone https://bitbucket.org/acoustid/chromaprint.git /tmp/chromaprint-src && \
  git clone https://github.com/Holzhaus/beets-extrafiles.git /tmp/extrafiles-src

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as beets_build-stage

############## beets build stage ##############

# copy artifacts from fetch stage
COPY --from=fetch-stage /tmp/beets-src /tmp/beets-src
COPY --from=fetch-stage /tmp/extrafiles-src /tmp/extrafiles-src

# set workdir for beets install
WORKDIR /tmp/beets-src

# install build packages
RUN \
  apk add --no-cache \
    py3-setuptools \
    python3-dev

# build beets package
RUN \
  set -ex && \
  python3 setup.py build && \
  python3 setup.py install --prefix=/usr --root=/build/beets

# set workdir for extrafiles install
WORKDIR /tmp/extrafiles-src

# build extrafiles package
RUN \
  set -ex && \
  python3 setup.py install --prefix=/usr --root=/build/beets

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as mp3gain_build-stage

############## mp3gain build stage ##############

# copy artifacts from fetch stage
COPY --from=fetch-stage /tmp/mp3gain-src /tmp/mp3gain-src

# set workdir
WORKDIR /tmp/mp3gain-src

# install build packages
RUN \
  apk add --no-cache \
    g++ \
    make \
    mpg123-dev

# build package
RUN \
  set -ex && \
  mkdir -p \
    /build/mp3gain/usr/bin && \
  sed -i "s#/usr/local/bin#/build/mp3gain/usr/bin#g" Makefile && \
  make && \
  make install

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as mp3val_build-stage

############## mp3val build stage ##############

# copy artifacts from fetch stage
COPY --from=fetch-stage /tmp/mp3val-src /tmp/mp3val-src

# set workdir
WORKDIR /tmp/mp3val-src

# install build packages
RUN \
  apk add --no-cache \
    g++ \
    make

# build package
RUN \
  set -ex && \
  mkdir -p \
    /build/mp3val/usr/bin && \
  make -f Makefile.linux && \
  cp -p mp3val /build/mp3val/usr/bin

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as chromaprint_build-stage

############## chromaprint build stage ##############

# copy artifacts from fetch stage
COPY --from=fetch-stage /tmp/chromaprint-src /tmp/chromaprint-src

# set workdir
WORKDIR /tmp/chromaprint-src

# install build packages
RUN \
  apk add --no-cache \
    cmake \
    ffmpeg-dev \
    fftw-dev \
    g++ \
    make

# build package
RUN \
  set -ex && \
  cmake \
    -DBUILD_TOOLS=ON \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX:PATH=/usr && \
  make && \
  make DESTDIR=/build/chromaprint install

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as pip-stage

############## pip packages install stage ##############

# install build packages
RUN \
  apk add --no-cache \
    g++ \
    make \
    py3-pip \
    python3-dev

# install pip packages
RUN \
  set -ex && \
  python3 -m pip install --upgrade pip && \  
  pip3 install --no-cache-dir -U --find-links https://wheel-index.linuxserver.io/alpine/ \
    confuse \
    discogs-client \
    enum34 \
    mediafile \
    mutagen \
    pyacoustid \
    pyyaml \
    unidecode

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER} as strip-stage

############## strip packages stage ##############

# copy artifacts build stages
COPY --from=beets_build-stage /build/beets/usr/ /build/all//usr/
COPY --from=chromaprint_build-stage /build/chromaprint/usr/ /build/all//usr/
COPY --from=mp3gain_build-stage /build/mp3gain/usr/ /build/all//usr/
COPY --from=mp3val_build-stage /build/mp3val/usr/ /build/all//usr/
COPY --from=pip-stage /usr/lib/python3.9/site-packages /build/all/usr/lib/python3.9/site-packages

# install strip packages
RUN \
  apk add --no-cache \
    bash \
    binutils

# set shell
SHELL ["/bin/bash", "-o", "pipefail", "-c"]

# remove unneeded files
RUN \
  set -ex && \
  for cleanfiles in *.la *.pyc *.pyo; \
  do \
    find /build/all/ -iname "${cleanfiles}" -exec rm -vf '{}' + \
  ; done

FROM ghcr.io/linuxserver/baseimage-alpine:arm32v7-${ALPINE_VER}

############## runtime stage ##############

# set version label
ARG BUILD_DATE
ARG VERSION
ARG BEETS_VERSION
LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
LABEL maintainer="sparklyballs"

# copy artifacts strip stage
COPY --from=strip-stage /build/all/usr/  /usr/

# install runtime packages
RUN \
  apk add --no-cache \
    curl \
    ffmpeg \
    fftw \
    flac \
    gst-plugins-good \
    gstreamer \
    mpg123 \
    nano \
    jq \
    lame \
    nano \
    py3-beautifulsoup4 \
    py3-flask \
    py3-gobject3 \
    py3-jellyfish \
    py3-munkres \
    py3-musicbrainzngs \
    py3-pillow \
    py3-pip \
    py3-pylast \
    py3-requests \
    py3-setuptools \
    py3-six \
    python3 \
    sqlite-libs \
    tar \
    wget

# environment settings
ENV BEETSDIR="/config" \
EDITOR="nano" \
HOME="/config"

# copy local files
COPY root/ /

# ports and volumes
EXPOSE 8337
VOLUME /config