# frozen_string_literal: true

# The MIT License
#
# Copyright (c) 2019-2020 Yurii Dubinka
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom
# the Software is  furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
# OR OTHER DEALINGS IN THE SOFTWARE.

require_relative "../log"
require_relative "../opts"
require_relative "../email"
require_relative "../version"
require_relative "../postman"

module Lazylead
  #
  # Email alerts about particular issue(s).
  #
  # Author:: Yurii Dubinka (yurii.dubinka@gmail.com)
  # Copyright:: Copyright (c) 2019-2020 Yurii Dubinka
  # License:: MIT
  module Task
    #
    # Notify particular person about tickets based on pre-defined html template.
    #
    # The task supports the following features:
    #  - fetch issues from remote ticketing system by query
    #  - prepare email based on predefined template (*.erb)
    #  - send the required notifications pre-defined "addressee".
    class Alert
      def initialize(log = Log.new)
        @log = log
      end

      def run(sys, postman, opts)
        tickets = sys.issues(opts["sql"], opts.jira_defaults)
        postman.send opts.merge(tickets: tickets) unless tickets.empty?
      end
    end

    #
    # A task that sends notifications about issues to their assignees.
    #
    # The task supports the following features:
    #  - fetch issues from remote ticketing system by query
    #  - group all issues by assignee
    #  - prepare email based on predefined template (*.erb)
    #  - send the required notifications to each assignee
    #
    # The email message is sending to the assignee regarding all his/her issues,
    #  not like one email per each issue.
    class AssigneeAlert
      def initialize(log = Log.new)
        @log = log
      end

      def run(sys, postman, opts)
        sys.issues(opts["sql"], opts.jira_defaults)
           .group_by(&:assignee)
           .each do |a, t|
          postman.send opts.merge(to: a.email, addressee: a.name, tickets: t)
        end
      end
    end

    #
    # A task that sends notifications about issues to their reporters.
    #
    # The task supports the following features:
    #  - fetch issues from remote ticketing system by query
    #  - group all issues by reporter
    #  - prepare email based on predefined template (*.erb)
    #  - send the required notifications to each reporter
    #
    # The email message is sending to the assignee regarding all his/her issues,
    #  not like one email per each issue.
    class ReporterAlert
      def initialize(log = Log.new)
        @log = log
      end

      def run(sys, postman, opts)
        sys.issues(opts["sql"], opts.jira_defaults)
           .group_by(&:reporter)
           .each do |a, t|
          postman.send opts.merge(to: a.email, addressee: a.name, tickets: t)
        end
      end
    end
  end
end