module HelpSections

# File lib/help_sections.rb, line 117
def self.entries_for_section(section_id, entries:)
  section_id = section_id.to_s.strip.downcase
  return [] unless section?(section_id)

  entries
    .select { |entry| section_for_entry(entry) == section_id }
    .sort_by { |entry| entry[:command] }
end

# File lib/help_sections.rb, line 106
def self.group_entries(entries)
  grouped = entries.group_by { |entry| section_for_entry(entry) }

  SECTION_ORDER.each_with_object({}) do |section_id, result|
    section_entries = grouped[section_id]
    next if section_entries.nil? || section_entries.empty?

    result[section_id] = section_entries.sort_by { |entry| entry[:command] }
  end
end

# File lib/help_sections.rb, line 97
def self.plugin_basename(plugin)
  File.basename(plugin.to_s, ".rb")
end

# File lib/help_sections.rb, line 89
def self.section?(topic)
  SECTIONS.key?(topic.to_s.strip.downcase)
end

# File lib/help_sections.rb, line 93
def self.section_config(section_id)
  SECTIONS.fetch(section_id.to_s)
end

# File lib/help_sections.rb, line 101
def self.section_for_entry(entry)
  basename = plugin_basename(entry[:plugin])
  PLUGIN_SECTION[basename] || "other"
end

# File lib/help_sections.rb, line 85
def self.section_ids
  SECTION_ORDER
end

# File lib/help_sections.rb, line 126
def self.section_index_line(section_id, count:)
  config = section_config(section_id)
  "!help #{section_id} — #{config[:blurb]} (#{count})"
end

# File lib/help_sections.rb, line 131
def self.section_index_lines(grouped)
  grouped.map do |section_id, section_entries|
    section_index_line(section_id, count: section_entries.length)
  end
end