class Gitlab::QA::SystemLogs::SystemLogsFormatter

def create_log_summaries(logs)
  section = []
  logs.each do |log|
    log_summary = <<~MARKDOWN.chomp
      <details><summary>Click to expand</summary>
      ```json
      #{JSON.pretty_generate(log.summary)}
      ```
      </details>
    MARKDOWN
    section.append(log_summary)
  end
  section.join("\n\n")
end

def create_log_summary_sections!(all_logs, sections)
  sections.zip(all_logs) do |section, logs|
    unless logs.empty?
      section_title = "\n#### #{logs.first.name}"
      section.append(section_title) unless section.include?(section_title)
      section.append(create_log_summaries(logs))
    end
  end
end

def initialize(base_paths, correlation_id)
  @base_paths = base_paths
  @correlation_id = correlation_id
end

def system_logs_summary_markdown
  log_sections = Array.new(NUM_OF_LOG_SECTIONS) { [] }
  @base_paths.each do |base_path|
    all_logs = [
      Finders::Rails::ApiLogFinder.new(base_path).find(@correlation_id),
      Finders::Rails::ExceptionLogFinder.new(base_path).find(@correlation_id),
      Finders::Rails::ApplicationLogFinder.new(base_path).find(@correlation_id),
      Finders::Rails::GraphqlLogFinder.new(base_path).find(@correlation_id)
    ]
    create_log_summary_sections!(all_logs, log_sections)
  end
  log_sections.prepend('### System Logs') unless log_sections.all?(&:empty?)
  log_sections.join("\n").rstrip
end