#!/bin/sh

# set -x

export AUTOMATED_TESTING=1
export NONINTERACTIVE_TESTING=1

WEBDIR=/usr/share/nginx/www
CPANCOVER_STAGING=~/staging
CPANCOVER_LATEST=$WEBDIR/latest
CPANCOVER_DIR=$CPANCOVER_STAGING
DOCKER=docker
DOCKER_IMAGE=pjcj/cpancover

case "$1" in
    "update-copyright")
        from="${2:-`date +'%Y' --date='last year'`}"
        to="${3:-`date +'%Y'`}"
        echo Updating copyright from $from to $to
        perl -pi -e "s/Copyright \d+-\K$from(, Paul Johnson)/$to\$1/i" \
             `git ls-files`
        perl -pi -e "s/Copyright $from\K(, Paul Johnson)/-$to\$1/i" \
             `git ls-files`
        ;;
    "install_dependencies")
        shift;
        cpan -iTf Sereal Digest::MD5 Template Pod::Coverage::CountParents     \
                  Capture::Tiny Parallel::Iterator Template Class::XSAccessor \
                  Moo namespace::clean CPAN::Releases::Latest                 \
                  < /dev/null
        ;;
    "nice_cpus")
        shift;
        perl -Iutils -MDevel::Cover::BuildUtils=nice_cpus -e 'print nice_cpus'
        ;;
    "cpancover")
        shift;
        jobs=$($0 nice_cpus)
        if [ -z $CPANCOVER_LOCAL ]; then
            cpancover=cpancover
        else
            cpancover="perl -Mblib bin/cpancover -local"
        fi
        $cpancover -results_dir $CPANCOVER_DIR -workers $jobs "$@"
        ;;
    "cpancover-compress")
        find $CPANCOVER_DIR/ -name __failed__ -prune -o \
                               -type f -not -name '*.gz' -not -name '*.json' \
                               -exec gzip -f9 {} \;
        ;;
    "cpancover-latest")
        $0 cpancover -latest
        ;;
    "cpancover-build-module")
        module="$2"
        $0 cpancover -local_build -docker $DOCKER -workers 1 "$module"
        $0 cpancover-compress
        ;;
    "cpancover-docker-shell")
        staging="${4:-$CPANCOVER_DIR}"
        mkdir -p $staging
        # echo $name
        $DOCKER run -it                                    \
            --volume=/home/pjcj/g/perl/Devel--Cover:/dc:rw \
            --volume=$CPANCOVER_STAGING:/remote_staging:rw \
            --workdir=/dc --rm=false                       \
            --memory=1g                                    \
            $DOCKER_IMAGE /bin/bash
        ;;
    "cpancover-docker-module")
        module="$2"
        name="$3"
        staging="${4:-$CPANCOVER_DIR}"
        mkdir -p $staging
        # echo $name
        container=$($DOCKER run -d                                 \
                    --volume=/home/pjcj/g/perl/Devel--Cover:/dc:ro \
                    --volume=$CPANCOVER_STAGING:/remote_staging:ro \
                    --workdir=/dc --rm=false --name="$name"        \
                    --memory=1g                                    \
                    $DOCKER_IMAGE dc cpancover-build-module $module)
        # https://github.com/dotcloud/docker/issues/3986
        $DOCKER wait "$name" > /dev/null
        if [ $? = 0 ]; then
            $DOCKER logs "$name" > "$staging/$name.out"
            local_staging="$staging/$name"
            $DOCKER cp "$name:/root/staging" "$local_staging"
            if [ -d "$local_staging" ]; then
                sudo chmod -R 755 "$local_staging"
                sudo find "$local_staging" -type f -exec chmod 644 {} \;
                sudo chown -R pjcj:pjcj "$local_staging"
                cd "$local_staging"/*
                for f in *; do
                    if [ -d $f ]; then
                        rm -rf "$staging"/$f
                        mv $f "$staging"
                    fi
                done
                rm -r "$local_staging"
            fi
        fi
        $DOCKER rm "$name"
        ;;
    "cpancover-generate-html")
        echo Generating HTML at `date`
        # perl -V
        $0 cpancover -generate_html
        $0 cpancover-compress
        json=$CPANCOVER_DIR/cpancover.json
        tmp=$json-tmp-$$.gz
        echo Compressing $json
        pigz < $json > $tmp && mv $tmp $json.gz
        echo Done
        ;;
    "cpancover-run")
        export CPANCOVER_LOCAL=1
        export DEVEL_COVER_CPUS=10
        while true; do
            echo Starting cpancover run at `date` on $DEVEL_COVER_CPUS cpus
            $0 cpancover-rm-docker  # just in case something bad happened
            $0 cpancover-latest | $0 cpancover
            $0 cpancover-generate-html
            echo Finished cpancover run at `date`
            sleep 600  # 10 minutes
        done
        ;;
    "cpancover-kill-docker")
        $DOCKER ps -a | tail -n +2 | awk '{ print $1 }' | xargs -r $DOCKER kill
        ;;
    "cpancover-rm-docker")
        $DOCKER ps -a | tail -n +2 | awk '{ print $1 }' | xargs -r $DOCKER rm -f
        ;;
    "sereal_each_bug")
        perl="${2:-perl}"
        $perl Makefile.PL
        make
        rm -rf cover_db
        cp tests/trivial tests/change
        $perl -Mblib -MDevel::Cover tests/change
        cp tmp/change tests
        $perl -Mblib -MDevel::Cover tests/change
        $perl -Mblib bin/cover -report text
        rm tests/change
        ;;
    "options")
        perl -nE 'say $1 if /^    "([\w-]+)"\)$/ && $1 !~ /^_/' < $0
        ;;
    *)
        echo Unknown option "$1"
        ;;
esac