# frozen_string_literal: true

module GitHelper
  class CodeRequest
    def create
      process_project.create(
        {
          base_branch: base_branch,
          new_title: new_code_request_title
        }
      )
    end

    def merge
      process_project.merge
    end

    private def process_project
      if local_code.github_repo? # GitHub remotes are found
        # If GitLab remotes are also found, ask for clarification, else proceed with GitHub
        local_code.gitlab_project? ? ask_for_clarification : github_pull_request
      elsif local_code.gitlab_project? # Only GitLab remotes are found
        gitlab_merge_request
      else # Neither GitHub nor GitLab remotes are found
        puts 'Could not locate GitHub or GitLab remote URLs.'
        exit
      end
    end

    # rubocop:disable Metrics/MethodLength
    private def ask_for_clarification
      resp = cli.ask(
        'Found git remotes for both GitHub and GitLab. Would you like to proceed ' \
        'with GitLab or GitHub? (github/gitlab)'
      ).downcase

      if resp.include?('hub')
        github_pull_request
      elsif resp.include?('lab')
        gitlab_merge_request
      else
        puts 'The answer we received was not parseable.'
        exit
      end
    end
    # rubocop:enable Metrics/MethodLength

    private def github_pull_request
      @github_pull_request ||= GitHelper::GitHubPullRequest.new(options)
    end

    private def gitlab_merge_request
      @gitlab_merge_request ||= GitHelper::GitLabMergeRequest.new(options)
    end

    private def options
      {
        local_project: local_project,
        local_branch: local_branch,
        local_code: local_code,
        cli: cli
      }
    end

    private def local_project
      @local_project ||= local_code.project_name
    end

    private def default_branch
      @default_branch ||= local_code.default_branch
    end

    private def base_branch
      @base_branch ||=
        if cli.ask_yes_no("Is '#{default_branch}' the correct base branch for your new code request? (y/n)")
          default_branch
        else
          cli.ask('Base branch?')
        end
    end

    private def local_branch
      @local_branch ||= local_code.branch
    end

    private def autogenerated_title
      @autogenerated_title ||= local_code.generate_title(local_branch)
    end

    private def new_code_request_title
      @new_code_request_title ||=
        if autogenerated_title && cli.ask_yes_no(
          "Accept the autogenerated code request title '#{autogenerated_title}'? (y/n)"
        )
          autogenerated_title
        else
          cli.ask('Title?')
        end
    end

    private def cli
      @cli ||= GitHelper::HighlineCli.new
    end

    private def local_code
      @local_code ||= GitHelper::LocalCode.new
    end
  end
end