lib/lazylead/task/alert/changed_to.rb
# frozen_string_literal: true

# The MIT License
#
# Copyright (c) 2019-2022 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
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# 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.
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require_relative "../../opts"

module Lazylead
  #
  # Gives true when ticket status changed to expected status(es).
  #
  class ChangedTo
    def initialize(field, expected)
      @field = field
      @expected = expected
    end

    def passed(issue, opts)
      return false if issue.nil? || opts.nil? || opts[@expected].nil? || @field.nil?
      last = last_change(issue)
      opts.slice(@expected, ",").any? { |s| s.eql? last }
    end

    # Detect the last change of expected field in issue history
    def last_change(issue)
      issue.history
           .reverse
           .find { |h| h["items"].any? { |i| i["field"] == @field } }["items"]
           .find { |h| h["field"] == @field }["toString"]
    end
  end

  # Check that last status change has expected value.
  class ToStatus < Lazylead::ChangedTo
    def initialize
      super "status", "to_status"
    end
  end
end
