#!/bin/sh

set -e
set -u
# DEBUG
#set -x


_dir_info() {
        d="${1}"

        cd ${d}
        # src https://stackoverflow.com/questions/6245570/how-do-i-get-the-current-branch-name-in-git/6245587#6245587
        branch_info="$(git branch --show-current)"
        # src https://ma.ttias.be/pretty-git-log-in-one-line/
        commit_info="$(git log --pretty=format:'[%ci] %h %an: %s' -n 1)"
        # get DOMAIN env var
        [ -f ./status_data ] && . ./status_data
        cd - >/dev/null
        d_name="$(basename "${d}")"
}

main() {

        cd "$(dirname "${0}")"
        instances="$(find . -maxdepth 1 -type d \
                          | grep -E 'pilot|instance' \
                          | cut -d'_' -f3 \
                          | sort -u
                          )"

        printf -- "meta:\n\n"
        _dir_info .
        d_name="docker"
        printf -- "- dir: %-17s | branch: %-8s | commit: %s\n" "${d_name}" "${branch_info}" "${commit_info}"
        printf -- "    - info: the repo that has all code for deployments, such as this status service\n"

        _dir_info ./ssikit_trustchain
        printf -- "- dir: %-17s | branch: %-8s | commit: %s\n" "${d_name}" "${branch_info}" "${commit_info}"
        printf -- "    - note: outdated ssikit_trustchain version could be present on any instance. Hence, this is only relevant for new or fresh builds\n\n"

        printf -- "idhub instances:\n\n"

        for i in ${instances}; do
                dirs="$(find . -maxdepth 1 -type d \
                          | grep -E 'pilot|instance' \
                          | grep "${i}$"
                          )"
                echo "- ${i}"
                for d in ${dirs}; do
                        _dir_info "${d}"
                        printf -- "    - %-32s | dir: %-30s | branch: %-8s | commit: %s\n" "${DOMAIN:-unknown domain}" "${d_name}" "${branch_info}" "${commit_info}"
                        unset DOMAIN
                done
        done
        printf '\n\n$ docker ps\n\n'
        # add on `/etc/sudoers.d/allow_dockerps` the following content:
        #   #https://serverfault.com/questions/184072/how-can-i-allow-all-users-to-run-a-given-command-via-sudo
        #   ALL ALL=NOPASSWD: /usr/bin/docker ps
        sudo docker ps
}

main "${@}"