# frozen_string_literal: true

module Ruboty
  module Handlers
    class Github < Base
      ISSUE_PATTERN = %r{(?:https?://[^/]+/)?(?<repo>.+)(?:#|/pull/|/issues/)(?<number>\d+) ?}.freeze

      env :GITHUB_BASE_URL, 'Pass GitHub URL if needed (e.g. https://github.example.com)', optional: true

      on(
        /create issue "(?<title>.+)" on (?<repo>.+)(?:\n(?<description>[\s\S]+))?\z/,
        name: 'create_issue',
        description: 'Create a new issue'
      )

      on(
        /search issues "(?<query>.+)"/,
        name: 'search_issues',
        description: 'Search an issue'
      )

      on(
        /remember my github token (?<token>.+)\z/,
        name: 'remember',
        description: "Remember sender's GitHub access token"
      )

      on(
        /close(?: issue)? #{ISSUE_PATTERN}\z/o,
        name: 'close_issue',
        description: 'Close an issue'
      )

      on(
        /pull request "(?<title>.+)" from (?<from>.+) to (?<to>.+)(?:\n(?<description>[\s\S]+))?\z/,
        name: 'create_pull_request',
        description: 'Create a pull request'
      )

      on(
        /deploy pull request "(?<title>.+)" from (?<from>.+) to (?<to>.+)(?:\n(?<description>[\s\S]+))?\z/,
        name: 'create_deploy_pull_request',
        description: 'Create a pull request to deploy'
      )

      on(
        /merge #{ISSUE_PATTERN}\z/o,
        name: 'merge_pull_request',
        description: 'Merge pull request'
      )

      def create_issue(message)
        Ruboty::Github::Actions::CreateIssue.new(message).call
      end

      def search_issues(message)
        Ruboty::Github::Actions::SearchIssues.new(message).call
      end

      def close_issue(message)
        Ruboty::Github::Actions::CloseIssue.new(message).call
      end

      def remember(message)
        Ruboty::Github::Actions::Remember.new(message).call
      end

      def create_pull_request(message)
        Ruboty::Github::Actions::CreatePullRequest.new(message).call
      end

      def create_deploy_pull_request(message)
        Ruboty::Github::Actions::CreateDeployPullRequest.new(message).call
      end

      def merge_pull_request(message)
        Ruboty::Github::Actions::MergePullRequest.new(message).call
      end
    end
  end
end