#!/bin/bash
#%# family=auto

: << EOF
=head1 NAME
gitea_commit_time_diff - Plugin to monitor the time since the last commit for a gitea repository.


=head1 CONFIGURATION
  [gitea_commit_time_diff]
  env.url git.mgrote.net
  env.repo homeserver
  env.user mg
  env.git_ref HEAD
  # optional
  env.warn 300 # in min
  env.critical 1440 # in min
  # if the repository is private
  # add a application token for your user
  # scopes: repo
  env.token 1GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGb4

=head1 AUTHOR

Michael Grote (michael.grote@posteo.de)

=head1 MAGIC MARKERS

 #%# family=auto

 =head1 LICENSE

 GPLv3 or later

 SPDX-License-Identifier: GPL-3.0-or-later

=cut

EOF

if [ "$1" = "autoconf" ]; then
    if ! command -v date &> /dev/null; then
        echo "no (date could not be found)"
    elif ! command -v jq &> /dev/null; then
        echo "no (jq could not be found)"
    else
        echo "yes"
    fi
    exit 0
fi



if [ "$1" = "config" ]; then
    # setze optionen
    echo "multigraph gitea_diff_repo"
    echo "graph_title $repo time difference"
    echo "graph_vlabel minutes"
    echo "graph_category webserver"
    echo "graph_args -l 0"
    echo "graph_info Current time difference in minutes between the last plugin execution and the last commit to \$ref"
    echo "diff_min.label minutes"
    echo "diff_min.info Repository: $url/$user/$repo/$git_ref"
    if [ ! -z "${warning}" ]; then
          echo "diff_min.warning $warning"
    fi
    if [ ! -z "${critical}" ]; then
          echo "diff_min.critical $critical"
    fi
    exit 0
fi

# get data

now=$(date +%Y-%m-%dT%H:%M:%S%:z)

if [ ! -z "${token}" ]; then
    # when repo is private
    commit=$(curl --silent -X 'GET' "https://$url/api/v1/repos/$user/$repo/git/commits/$git_ref?access_token=$token" -H 'accept: application/json' | jq .created  | tr -d \")
else
    commit=$(curl --silent -X 'GET' "https://$url/api/v1/repos/$user/$repo/git/commits/$git_ref" -H 'accept: application/json' | jq .created  | tr -d \")
fi


now_sec=$(date -d "$now" +%s)
commit_sec=$(date -d "$commit" +%s)

echo "multigraph gitea_diff_repo"
echo "diff_min.value $(( ($now_sec - $commit_sec ) / 60 ))"

exit 0