# CLI support for JIRA interaction

  #

  # See README.md for details
  
  : ${JIRA_DEFAULT_ACTION:=new}
  
  function jira() {
    emulate -L zsh
    local action=${1:=$JIRA_DEFAULT_ACTION}
  
    local jira_url jira_prefix
    if [[ -f .jira-url ]]; then

      jira_url=$(cat .jira-url)

    elif [[ -f ~/.jira-url ]]; then

      jira_url=$(cat ~/.jira-url)

    elif [[ -n "${JIRA_URL}" ]]; then
      jira_url=${JIRA_URL}

    else

      _jira_url_help

      return 1
    fi

    if [[ -f .jira-prefix ]]; then

      jira_prefix=$(cat .jira-prefix)

    elif [[ -f ~/.jira-prefix ]]; then

      jira_prefix=$(cat ~/.jira-prefix)

    elif [[ -n "${JIRA_PREFIX}" ]]; then
      jira_prefix=${JIRA_PREFIX}

    else
      jira_prefix=""
    fi

  
    if [[ $action == "new" ]]; then

      echo "Opening new issue"

      open_command "${jira_url}/secure/CreateIssue!default.jspa"

    elif [[ "$action" == "assigned" || "$action" == "reported" ]]; then
      _jira_query $@
    elif [[ "$action" == "dashboard" ]]; then
      echo "Opening dashboard"

      if [[ "$JIRA_RAPID_BOARD" == "true" ]]; then
        open_command "${jira_url}/secure/RapidBoard.jspa"
      else
        open_command "${jira_url}/secure/Dashboard.jspa"
      fi

    elif [[ "$action" == "dumpconfig" ]]; then
      echo "JIRA_URL=$jira_url"
      echo "JIRA_PREFIX=$jira_prefix"
      echo "JIRA_NAME=$JIRA_NAME"
      echo "JIRA_RAPID_BOARD=$JIRA_RAPID_BOARD"
      echo "JIRA_DEFAULT_ACTION=$JIRA_DEFAULT_ACTION"
    else
      # Anything that doesn't match a special action is considered an issue name
      local issue_arg=$action
      local issue="${jira_prefix}${issue_arg}"
      local url_fragment=''

      if [[ "$2" == "m" ]]; then

        url_fragment="#add-comment"
        echo "Add comment to issue #$issue"

      else

        echo "Opening issue #$issue"

      fi

      if [[ "$JIRA_RAPID_BOARD" == "true" ]]; then
        open_command "${jira_url}/issues/${issue}${url_fragment}"

      else

        open_command "${jira_url}/browse/${issue}${url_fragment}"

      fi

    fi
  }

  function _jira_url_help() {
    cat << EOF
  error: JIRA URL is not specified anywhere.
  
  Valid options, in order of precedence:
    .jira-url file
    \$HOME/.jira-url file
    \$JIRA_URL environment variable
  EOF
  }
  
  function _jira_query() {
    emulate -L zsh
    local verb="$1"
    local jira_name lookup preposition query
    if [[ "${verb}" == "reported" ]]; then
      lookup=reporter
      preposition=by
    elif [[ "${verb}" == "assigned" ]]; then
      lookup=assignee
      preposition=to

    else

      echo "error: not a valid lookup: $verb" >&2
      return 1
    fi
    jira_name=${2:=$JIRA_NAME}
    if [[ -z $jira_name ]]; then
      echo "error: JIRA_NAME not specified" >&2
      return 1

    fi

    echo "Browsing issues ${verb} ${preposition} ${jira_name}"
    query="${lookup}+%3D+%22${jira_name}%22+AND+resolution+%3D+unresolved+ORDER+BY+priority+DESC%2C+created+ASC"
    open_command "${jira_url}/secure/IssueNavigator.jspa?reset=true&jqlQuery=${query}"

  }