#!/bin/bash
set -e

DEFAULTPROVIDERS="xumo distrotv"
BRANCHES="main master"

PROVIDERS="$*"
[ -z "$PROVIDERS" ] && PROVIDERS="$DEFAULTPROVIDERS"
DOCKERTAGS=vlc-bridge/${PROVIDERS// /-}

countdown () {
    let count=$1
    while [ $count -gt 0 ]; do
        echo -n $count ...
        let count--
        sleep 1
    done
    echo
}


echo -n Building for $PROVIDERS tagged as $DOCKERTAGS in ....
countdown 3
WORKDIR=vlc-bridge-tmp-$EPOCHSECONDS
mkdir -p $WORKDIR
cd $WORKDIR

REQUIREMENTS=""
for provider in $PROVIDERS; do
    for branch in $BRANCHES; do
        wget --quiet https://gitlab.com/miibeez/vlc-bridge-${provider}/-/raw/${branch}/${provider}.py || continue
        REQUIREMENTS="$REQUIREMENTS https://gitlab.com/miibeez/vlc-bridge-${provider}/-/raw/${branch}/requirements.txt"
        break
    done
done

wget --quiet -O - $REQUIREMENTS | sort -u > requirements.txt
#best server.py
wget --quiet https://gitlab.com/miibeez/vlc-bridge-xumo/-/raw/04d2b13891d2277e0028f5cd9840f2d43cddba97/server.py
patch server.py <<EOF
8,11c8,11
< name = os.environ['PROVIDER']
< providers = {
<     name: importlib.import_module(name).Client(),
< }
---
> names = os.environ['PROVIDERS'].split()
> providers = dict()
> for name in names:
>     providers[name] = importlib.import_module(name).Client()
EOF

cat >Dockerfile <<EOF
FROM python:alpine
WORKDIR /app
RUN apk add ca-certificates curl
HEALTHCHECK CMD curl -s -m1 -I localhost:7777
COPY requirements.txt ./
RUN pip install -r requirements.txt
COPY *.py ./
ENV PYTHONUNBUFFERED=1
ENV PROVIDERS="$PROVIDERS"
EXPOSE 7777/tcp
ENTRYPOINT ["python", "server.py"]
EOF

docker build  --no-cache -t $DOCKERTAGS .
echo Build process for $DOCKERTAGS finished in $SECONDS seconds


cd - >/dev/null
echo
echo To start, run
echo $ docker run -p 7777:7777 -d $DOCKERTAGS
echo -n Deleting the build directory - $WORKDIR - in ...
countdown 5
rm -rf $WORKDIR