#!/usr/bin/env bash

# ---------------- Settings

repo=git@cloud21.cvtt.vpn:/works/git/cvtt2/research/pairs_trading.git

dist_root=/home/cvttdist/software/cvtt2
dist_user=cvttdist
dist_host="cloud21.cvtt.vpn"
dist_ssh_port="22"

dist_locations="cloud21.cvtt.vpn:22 hs01.cvtt.vpn:22"
version_file="VERSION"

prj=pairs_trading
brnch=master
interactive=N

# ---------------- Settings

# ---------------- cmdline

usage() {
  echo "Usage: $0 [-b <branch (master)> -i (interactive)"
  exit 1
}

while getopts "b:i" opt; do
  case ${opt} in
    b )
      brnch=$OPTARG
      ;;
    i )
      interactive=Y
      ;;
    \? )
      echo "Invalid option: -$OPTARG" >&2
      usage
      ;;
    : )
      echo "Option -$OPTARG requires an argument." >&2
      usage
      ;;
  esac
done
# ---------------- cmdline

confirm() {
    if [ "${interactive}" == "Y" ]; then
        echo "--------------------------------"
        echo -n "Press <Enter> to continue" && read
    fi
}


if [ "${interactive}" == "Y" ]; then
    echo -n "Enter project [${prj}]: "
    read project
    if [ "${project}" == "" ]
    then
        project=${prj}
    fi
else
    project=${prj}
fi

# repo=${git_repo_arr[${project}]}
if [ -z ${repo} ]; then
    echo "ERROR: Project repository for ${project} not found"
    exit -1
fi
echo "Project repo: ${repo}"

if [ "${interactive}" == "Y" ]; then
    echo -n "Enter branch to build release from [${brnch}]: "
    read branch
    if [ "${branch}" == "" ]
    then
        branch=${brnch}
    fi
else
    branch=${brnch}
fi

tmp_dir=$(mktemp -d)
function cleanup {
    cd ${HOME}
    rm -rf ${tmp_dir}
}
trap cleanup EXIT


prj_dir="${tmp_dir}/${prj}"

cmd_arr=()
Cmd="git clone ${repo} ${prj_dir}"
cmd_arr+=("${Cmd}")

Cmd="cd ${prj_dir}"
cmd_arr+=("${Cmd}")

if [ "${interactive}" == "Y" ]; then
    echo "------------------------------------"
    echo "The following commands will execute:"
    echo "------------------------------------"
    for cmd in "${cmd_arr[@]}"
    do
        echo ${cmd}
    done
fi

confirm

for cmd in "${cmd_arr[@]}"
do
    echo ${cmd} && eval ${cmd}
done

Cmd="git checkout ${branch}"
echo ${Cmd} && eval ${Cmd}
if [ "${?}" != "0" ]; then
    echo "ERROR: Branch ${branch} is not found"
    cd ${HOME} && rm -rf ${tmp_dir}
    exit -1
fi


release_version=$(cat ${version_file} | awk -F',' '{print $1}')
whats_new=$(cat ${version_file} | awk -F',' '{print $2}')


echo "--------------------------------"
echo "Version file: ${version_file}"
echo "Release version: ${release_version}"

confirm

version_tag="v${release_version}"
if [ "$(git tag -l "${version_tag}")" != "" ]; then
    version_tag="${version_tag}.$(date +%Y%m%d_%H%M)"
fi
version_comment="'${version_tag} ${project} ${branch} $(date +%Y-%m-%d)\n${whats_new}'"

cmd_arr=()
Cmd="git tag -a ${version_tag} -m ${version_comment}"
cmd_arr+=("${Cmd}")

Cmd="git push origin --tags"
cmd_arr+=("${Cmd}")

Cmd="rm -rf .git"
cmd_arr+=("${Cmd}")

SourceLoc=../${project}

dist_path="${dist_root}/${project}/${release_version}"

for dist_loc in ${dist_locations}; do
    dhp=(${dist_loc//:/ })
    dist_host=${dhp[0]}
    dist_port=${dhp[1]}
    Cmd="rsync -avzh"
    Cmd="${Cmd} --rsync-path=\"mkdir -p ${dist_path}"
    Cmd="${Cmd} && rsync\" -e \"ssh -p ${dist_ssh_port}\""
    Cmd="${Cmd} $SourceLoc ${dist_user}@${dist_host}:${dist_path}/"
    cmd_arr+=("${Cmd}")
done

if [ "${interactive}" == "Y" ]; then
    echo "------------------------------------"
    echo "The following commands will execute:"
    echo "------------------------------------"
    for cmd in "${cmd_arr[@]}"
    do
        echo ${cmd}
    done
fi

confirm

for cmd in "${cmd_arr[@]}"
do
    pwd && echo ${cmd} && eval ${cmd}
done

echo "$0 Done ${project} ${release_version}"