Fastfile

# This file contains the fastlane.tools configuration
# You can find the documentation at https://docs.fastlane.tools
#
# For a list of all available actions, check out
#
#     https://docs.fastlane.tools/actions
#
# For a list of all available plugins, check out
#
#     https://docs.fastlane.tools/plugins/available-plugins
#

# Uncomment the line if you want fastlane to automatically update itself
# update_fastlane

 # CONSTANTS
    releaseNotesBodyHeader = "What's new in this release?"
    releaseNotesSuffixHeader = "Have feedback?"
    releaseNotesFileBody = "../app/version/release-notes"
    releaseNotesFileHiring = "../app/version/release-notes-hiring"
    releaseNotesFileSuffix = "../app/version/release-notes-suffix"
    releaseNotesLocales= ["en-US", "en-GB", "en-CA"]
    releaseNotesMaxLength = 500
    errorMessageCancelled = "Release cancelled 😢"
    aarbExecutable = "AndroidAsanaBridge"
    asanaBridgeInstallationProblem = "Android Asana Release Bridge not installed or configured correctly - see https://app.asana.com/0/0/1203116937958001/f for instructions"

default_platform(:android)

platform :android do

  desc "Generate release notes for the Play Store"
  private_lane :release_notes_playstore do

    releaseNotesBody = File.read(releaseNotesFileBody)
    releaseNotesSuffix = File.read(releaseNotesFileSuffix)
    releaseNotesHiring = File.read(releaseNotesFileHiring)

    formatted = "#{releaseNotesBodyHeader}\n#{releaseNotesBody}#{releaseNotesHiring}\n\n#{releaseNotesSuffixHeader}\n#{releaseNotesSuffix}"

    validateReleaseNotes(releaseNotes: formatted)
    UI.message("\n#{formatted}")

    formatted

  end

  desc "Generate release notes for GitHub"
    private_lane :release_notes_github do

      releaseNotesBody = File.read(releaseNotesFileBody)
      releaseNotesSuffix = File.read(releaseNotesFileSuffix)
      releaseNotesHiring = File.read(releaseNotesFileHiring)

      formatted = "\#\# #{releaseNotesBodyHeader}\n#{releaseNotesBody}#{releaseNotesHiring}\n\n\#\# #{releaseNotesSuffixHeader}\n#{releaseNotesSuffix}"
      UI.message("\n#{formatted}")
      formatted

    end


  desc "Upload APK to Play Store, in pre-production staging track"
  lane :deploy_playstore do

    update_fastlane_release_notes()

    props = property_file_read(file: "app/version/version.properties")
    version = props["VERSION"]
    apkPath = "app/build/outputs/apk/play/release/duckduckgo-#{version}-play-release.apk"

    upload_to_play_store(
      apk: apkPath,
      track: 'Staging',
      skip_upload_screenshots: true,
      skip_upload_images: true,
      validate_only: false
    )

    cleanup_fastlane_release_notes()

  end

  desc "Upload APK to ad-hoc internal app sharing"
  private_lane :deploy_adhoc do

      props = property_file_read(file: "app/version/version.properties")
      version = props["VERSION"]
      apkPath = "app/build/outputs/apk/play/release/duckduckgo-#{version}-play-release.apk"

      upload_to_play_store_internal_app_sharing(
        apk: apkPath
      )

 end

 desc "Upload APK to Play Store internal testing track"
 lane :deploy_dogfood do |options|

   UI.message("Apk path: #{options[:apk_path]}")
   upload_to_play_store(
     apk: options[:apk_path],
     track: 'internal',
     skip_upload_screenshots: true,
     skip_upload_images: true,
     validate_only: false
   )

 end

  desc "Deploy APK to GitHub"
  lane :deploy_github do

    props = property_file_read(file: "app/version/version.properties")
    version = props["VERSION"]
    releaseNotes = release_notes_github()
    apkPath = "app/build/outputs/apk/play/release/duckduckgo-#{version}-play-release.apk"
    token = ENV["GITHUB_UPLOAD_TOKEN"]

    UI.message ("Upload new app version to GitHub\nVersion: #{version}\nRelease Notes:\n=====\n#{releaseNotes}\n=====\n")

    set_github_release(
        repository_name: "DuckDuckGo/Android",
        api_token: token,
        name: version,
        tag_name: version,
        description: releaseNotes,
        upload_assets: [apkPath],
        is_draft: false,
        is_prerelease: false)

    end

    desc "Update local changelist metadata"
    private_lane :update_fastlane_release_notes do

      releaseNotes = release_notes_playstore()

      flversion=gradle(task: '-q fastlaneVersionCode').lines.map(&:chomp)[0]
      UI.message("App version for fastlane is #{flversion}.\nRelease notes for Play Store:\n\n#{releaseNotes}")

      releaseNotesLocales.each do |locale|
        File.open("../fastlane/metadata/android/#{locale}/changelogs/#{flversion}.txt", 'w') do |file| file.write("#{releaseNotes}") end
      end

    end

    desc "Clean up local changelist metadata"
        private_lane :cleanup_fastlane_release_notes do

          flversion=gradle(task: '-q fastlaneVersionCode').lines.map(&:chomp)[0]

          releaseNotesLocales.each do |locale|
            sh("rm '../fastlane/metadata/android/#{locale}/changelogs/#{flversion}.txt'")
          end

        end

    # Note, this currently relies on having `git flow` tools installed.
    # This dependency could be removed with a little more time to tidy up this script to do the branching/merging manually.

    desc "Create new release"
    lane :release do |options|

        ensure_git_status_clean
        ensure_git_branch( branch: 'develop' )

        options_release_number = options[:release_number]
        options_release_notes = options[:release_notes]
        options_notes_type = options[:notes_type]

        newVersion = determine_version_number(
            release_number: options_release_number
        )
        releaseNotes = determine_release_notes(
            release_notes: options_release_notes,
            notes_type: options_notes_type
        )

        isInteractiveMode = options_release_number == nil || (options_notes_type == nil && options_release_notes == nil) || (options_notes_type == "CUSTOM" && options_release_notes == nil)

        # For interactive flows, we want to confirm the data inputted by the user before proceeding
        if !isInteractiveMode
            UI.message("This are the release information:\n\nVersion=#{newVersion}\nRelease Notes:\n#{releaseNotes}\n")
            do_create_release_branch(newVersion: newVersion, releaseNotes: releaseNotes)
            do_create_and_push_tags(newVersion: newVersion)
        else
            if UI.confirm("Are you sure you're happy with this release?\n\nVersion=#{newVersion}\nRelease Notes:\n#{releaseNotes}\n")
                UI.success "Creating release branch for release/#{newVersion}"
                do_create_release_branch(newVersion: newVersion, releaseNotes: releaseNotes)
                if UI.confirm(text:"If you have any other changes to make to the release branch, do them now. Enter `y` when ready to create and push tags")
                    do_create_and_push_tags(newVersion: newVersion)
                else
                    UI.error errorMessageCancelled
                end
            else
                UI.error errorMessageCancelled
            end
        end
    end

        private_lane :do_create_release_branch do |options|
            newVersion = options[:newVersion]
            releaseNotes = options[:releaseNotes]
            sh "git flow release start #{newVersion}"

            File.open('../app/version/version.properties', 'w') do |file|
                file.write("VERSION=#{newVersion}")
            end

            File.open('../app/version/release-notes', 'w') do |file|
                file.write("""#{releaseNotes}""")
            end
        end

        private_lane :do_create_and_push_tags do |options|
            newVersion = options[:newVersion]
            git_commit(
                message: "Updated release notes and version number for new release - #{newVersion}",
                path: "*",
                allow_nothing_to_commit: true,
                skip_git_hooks: true
            )

            sh "git flow release finish -mnFS '#{newVersion}' '#{newVersion}'"
            push_git_tags(tag: newVersion)
            sh "git push origin main"
            sh "git push origin develop"

            UI.header("#{newVersion} tag has been successfully created. 🎉")
        end

        private_lane :determine_release_notes do |options|
            notes_type = options[:notes_type]
            custom_release_notes = options[:release_notes]
            existingReleaseNotes = File.read(releaseNotesFileBody)

            # This handles the flow when no options were passed. We will prompt the user for input.
            releaseNotes = if (notes_type == nil && custom_release_notes == nil) then
                commits = changelog_from_git_commits(
                    between: [last_git_tag, "HEAD"],
                    pretty: "- %s",
                    date_format: "short",
                    match_lightweight_tag: false,
                    merge_commit_filtering: "exclude_merges"
                )
                    UI.important("Existing release notes:\n")
                    UI.message("#{existingReleaseNotes}\n")
                    choice = UI.select "What do you want to do for release notes?", ["KEEP EXISTING", "CUSTOM",
                    "Bug fixes and other improvements",
                    ]

                retrieve_notes_for_type(
                    notes_type: choice,
                    existingReleaseNotes: existingReleaseNotes
                )
            else
                # Force notes_type to custom when custom_release_notes is present.
                if custom_release_notes != nil
                    retrieve_notes_for_type(
                        notes_type: "CUSTOM",
                        release_notes: custom_release_notes,
                        existingReleaseNotes: existingReleaseNotes
                    )
                else
                    retrieve_notes_for_type(
                        notes_type: notes_type,
                        release_notes: custom_release_notes,
                        existingReleaseNotes: existingReleaseNotes
                    )
                end

            end

            validateReleaseNotes(releaseNotes: releaseNotes)
            releaseNotes
        end

        desc "Validates the release notes to ensure they are suitable for the Play Store"
        private_lane :validateReleaseNotes do |options|
            releaseNotesLength = options[:releaseNotes].length
            if (releaseNotesLength > releaseNotesMaxLength)
                UI.user_error!("Release notes are too long for Play Store (#{releaseNotesLength} characters). Max size allowed: #{releaseNotesMaxLength}")
            end
        end

        private_lane :retrieve_notes_for_type do |options|
            notes_type = options[:notes_type]
            custom_release_notes = options[:release_notes]
            rl = case notes_type
                when "KEEP EXISTING"
                    options[:existingReleaseNotes]
                when "CUSTOM"
                    if custom_release_notes == nil then
                        prompt(text: "Release Notes: ", multi_line_end_keyword: "END")
                    else
                        custom_release_notes
                    end
                else
                     notes_type
                end
        end


       desc "Start new hotfix"
       lane :"hotfix-start" do
            UI.important("Starting a new hotfix")

            ensure_git_status_clean
            sh('git checkout develop && git pull')
            sh('git checkout main && git pull')

            newVersion = determine_version_number()
            releaseNotes = determine_release_notes()

            sh("git flow hotfix start #{newVersion}")

            File.open('../app/version/version.properties', 'w') do |file|
                file.write("VERSION=#{newVersion}")
            end

            File.open('../app/version/release-notes', 'w') do |file|
                file.write("""#{releaseNotes}""")
            end

            git_commit(
                message: "Updated release notes and version number for new release - #{newVersion}",
                path: "*",
                allow_nothing_to_commit: true,
                skip_git_hooks: true
            )

            UI.important(text:"Hotfix branch created. Apply your changes that need to be included in the hotfix now. Run `fastlane hotfix-finish` when you've made your changes and are happy it all works.")
       end

       desc "Finish a hotfix in progress"
       lane :"hotfix-finish" do
            ensure_git_status_clean
            ensure_git_branch( branch: '^hotfix/*' )

            version = property_file_read(file: "app/version/version.properties")["VERSION"]
            sh("git flow hotfix finish -m '#{version}' '#{version}'")

            sh "git push origin #{version}"
            sh "git push origin main"
            sh "git push origin develop"

            UI.header("🎉 #{version} tag has been successfully created, and hotfix has been merged back into main and develop. Everything has been pushed.")

       end

       desc "Prompt for version number"
       private_lane :"determine_version_number" do |options|
            release_number = options[:release_number]
            if release_number == nil
                prompt(text: "\nLast release was: #{last_git_tag}\nEnter New Version Number:")
            else
                release_number
            end
       end

    desc "Prepares the Asana release board with a new release task, tags tasks waiting for release etc.."
    lane :asana_release_prep do
        begin
            sh aarbExecutable, "action=verify"
        rescue => ex
            UI.user_error!("#{aarbExecutable} not installed. Install the tool and ensure it can be executed by executing `#{aarbExecutable}`")
        end

        newVersion = determine_version_number()
        if UI.confirm("About to create a new release task for #{newVersion}. Ready to continue?")
            UI.message("Creating release task...")
            sh aarbExecutable, "version=#{newVersion}", "action=createRelease,tagPendingTasks,addLinksToDescription,removePendingTasks", "board=real"
        else
            UI.error(errorMessageCancelled)
        end
    end

end