#!/usr/bin/env bash
# Copyright (c) 2019 Alex aka mailoman <alex@webz.asia>
#  
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#  
#      http://www.apache.org/licenses/LICENSE-2.0
#  
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#  
#   @author Alex aka mailoman <alex@webz.asia>
#   @copyright Copyright (c) 2019 Alex aka mailoman <alex@webz.asia>
#   @since 18.12.2019

path=$(pwd)
dir="${path%/*}"
path=${dir}
repo="${dir##*/}"
dir="${dir%/*}"
username=${dir##*/}
dir="${dir%/*}"
domain=${dir##*/}
image="go2dep"
image_exists=$(docker images|grep ${image})
volume_cache="-v ${path}/.cache:/go/pkg"

if [[ -z ${image_exists} ]];then
    echo "building image ${image}"
    docker build -t ${image} .
fi

if [[ ! -d ${path}/vendor ]];then
    echo "dep init"
    docker run --rm ${volume_cache} -v ${path}:/go/src/$domain/$username/$repo -w="/go/src/$domain/$username/$repo" ${image} dep init
fi

echo "Building $domain/$username/$repo/examples/main.go"

#buildVersion=$(git tag|tail -n1)
#buildHash=$(git log -1 --pretty=format:"%h")
#buildTime=$(date)
#buildFlags="-X '$domain/$username/$repo/version.BuildVersion=${buildVersion}' -X '$domain/$username/$repo/version.BuildHash=${buildHash}' -X '$domain/$username/$repo/version.BuildTime=${buildTime}'"
buildFlags=""

echo "  build flags: ${buildFlags}"

docker run --rm ${volume_cache} -v ${path}:/go/src/$domain/$username/$repo -v ${path}/bin:/go/bin -w="/go/src/$domain/$username/$repo" -e GOOS=linux -e GOARCH=amd64 -e CGO_ENABLED=0 ${image} go build -ldflags="${buildFlags}" -o /go/bin/example-main-x64.linux ./examples/
docker run --rm ${volume_cache} -v ${path}:/go/src/$domain/$username/$repo -v ${path}/bin:/go/bin -w="/go/src/$domain/$username/$repo" -e GOOS=darwin -e GOARCH=amd64 -e CGO_ENABLED=0 ${image} go build -ldflags="${buildFlags}" -o /go/bin/example-main-x64.macos ./examples/
docker run --rm ${volume_cache} -v ${path}:/go/src/$domain/$username/$repo -v ${path}/bin:/go/bin -w="/go/src/$domain/$username/$repo" -e GOOS=windows -e GOARCH=amd64 -e CGO_ENABLED=0 ${image} go build -ldflags="${buildFlags}" -o /go/bin/example-main-x64.exe ./examples/