# frozen_string_literal: true

directory 'plugins'

desc 'install all official plugins (use GIT_WRITE=1 to pull with write access)'
task 'plugin:install_all_official' do
  skip = Set.new([
    'customer-flair',
    'lazy-yt',
    'poll'
  ])

  map = {
    'Canned Replies' => 'https://github.com/discourse/discourse-canned-replies'
  }

  STDERR.puts "Allowing write to all repos!" if ENV['GIT_WRITE']

  Plugin::Metadata::OFFICIAL_PLUGINS.each do |name|
    next if skip.include? name
    repo = map[name] || "https://github.com/discourse/#{name}"
    dir = repo.split('/').last
    path = File.expand_path('plugins/' + dir)

    if Dir.exist? path
      STDERR.puts "Skipping #{dir} cause it already exists!"
      next
    end

    if ENV['GIT_WRITE']
      repo = repo.gsub("https://github.com/", "git@github.com:")
      repo += ".git"
    end

    status = system("git clone #{repo} #{path}")
    unless status
      abort("Failed to clone #{repo}")
    end
  end
end

desc 'install plugin'
task 'plugin:install', :repo do |t, args|
  repo = ENV['REPO'] || ENV['repo'] || args[:repo]
  name = ENV['NAME'] || ENV['name'] || File.basename(repo, '.git')

  plugin_path = File.expand_path('plugins/' + name)
  if File.directory?(File.expand_path(plugin_path))
    abort('Plugin directory, ' + plugin_path + ', already exists.')
  end

  clone_status = system('git clone ' + repo + ' ' + plugin_path)
  unless clone_status
    FileUtils.rm_rf(plugin_path)
    abort('Unable to clone plugin')
  end
end

desc 'update all plugins'
task 'plugin:update_all' do |t|
  # Loop through each directory
  plugins = Dir.glob(File.expand_path('plugins/*')).select { |f| File.directory? f }
  # run plugin:update
  plugins.each do |plugin|
    next unless File.directory?(plugin + "/.git")
    Rake::Task['plugin:update'].invoke(plugin)
    Rake::Task['plugin:update'].reenable
  end
  Rake::Task['plugin:versions'].invoke
end

desc 'update a plugin'
task 'plugin:update', :plugin do |t, args|
  plugin = ENV['PLUGIN'] || ENV['plugin'] || args[:plugin]
  plugin_path = plugin
  plugin = File.basename(plugin)

  unless File.directory?(plugin_path)
    if File.directory?('plugins/' + plugin)
      plugin_path = File.expand_path('plugins/' + plugin)
    else
      abort('Plugin ' + plugin + ' not found')
    end
  end

  `git -C '#{plugin_path}' fetch origin --tags --force`

  upstream_branch = `git -C '#{plugin_path}' for-each-ref --format='%(upstream:short)' $(git -C '#{plugin_path}' symbolic-ref -q HEAD)`.strip
  has_origin_main = `git -C '#{plugin_path}' branch -a`.match?(/remotes\/origin\/main$/)
  has_local_main = `git -C '#{plugin_path}' show-ref refs/heads/main`.present?

  if upstream_branch == "origin/master" && has_origin_main
    puts "Branch has changed to `origin/main`"

    if has_local_main
      update_status = system("git -C '#{plugin_path}' checkout main")
      abort("Unable to pull latest version of plugin #{plugin_path}") unless update_status
    else
      `git -C '#{plugin_path}' branch -m master main`
    end

    `git -C '#{plugin_path}' branch -u origin/main main`
  end

  update_status = system("git -C '#{plugin_path}' pull --no-rebase")
  abort("Unable to pull latest version of plugin #{plugin_path}") unless update_status
end

desc 'pull compatible plugin versions for all plugins'
task 'plugin:pull_compatible_all' do |t|
  if GlobalSetting.load_plugins?
    STDERR.puts <<~TEXT
      WARNING: Plugins were activated before running `rake plugin:pull_compatible_all`
        You should prefix this command with LOAD_PLUGINS=0
    TEXT
  end

  # Loop through each directory
  plugins = Dir.glob(File.expand_path('plugins/*')).select { |f| File.directory? f }
  # run plugin:pull_compatible
  plugins.each do |plugin|
    next unless File.directory?(plugin + "/.git")
    Rake::Task['plugin:pull_compatible'].invoke(plugin)
    Rake::Task['plugin:pull_compatible'].reenable
  end
end

desc 'pull a compatible plugin version'
task 'plugin:pull_compatible', :plugin do |t, args|
  plugin = ENV['PLUGIN'] || ENV['plugin'] || args[:plugin]
  plugin_path = plugin
  plugin = File.basename(plugin)

  unless File.directory?(plugin_path)
    if File.directory?('plugins/' + plugin)
      plugin_path = File.expand_path('plugins/' + plugin)
    else
      abort('Plugin ' + plugin + ' not found')
    end
  end

  checkout_version = Discourse.find_compatible_git_resource(plugin_path)

  # Checkout value of the version compat
  if checkout_version
    puts "checking out compatible #{plugin} version: #{checkout_version}"
    update_status = system("git -C '#{plugin_path}' cat-file -e #{checkout_version} || git -C '#{plugin_path}' fetch --depth 1 $(git -C '#{plugin_path}' rev-parse --symbolic-full-name @{upstream} | awk -F '/' '{print $3}') #{checkout_version}; git -C '#{plugin_path}' reset --hard #{checkout_version}")
    abort('Unable to checkout a compatible plugin version') unless update_status
  else
    puts "#{plugin} is already at latest compatible version"
  end
end

desc 'install all plugin gems'
task 'plugin:install_all_gems' do |t|
  # Left intentionally blank.
  # When the app is being loaded, all missing gems are installed
  # See: lib/plugin_gem.rb
  puts "Done"
end

desc 'install plugin gems'
task 'plugin:install_gems', :plugin do |t, args|
  # Left intentionally blank.
  # When the app is being loaded, all missing gems are installed
  # See: lib/plugin_gem.rb
  puts "Done"
end

desc 'run plugin specs'
task 'plugin:spec', :plugin do |t, args|
  args.with_defaults(plugin: "*")
  params = ENV['RSPEC_FAILFAST'] ? '--profile --fail-fast' : '--profile'
  ruby = `which ruby`.strip
  files = Dir.glob("./plugins/#{args[:plugin]}/spec/**/*_spec.rb").sort
  if files.length > 0
    sh "LOAD_PLUGINS=1 #{ruby} -S rspec #{files.join(' ')} #{params}"
  else
    abort "No specs found."
  end
end

desc 'run plugin qunit tests'
task 'plugin:qunit', [:plugin, :timeout] do |t, args|
  args.with_defaults(plugin: "*")

  rake = "#{Rails.root}/bin/rake"

  cmd = 'LOAD_PLUGINS=1 '
  cmd += 'QUNIT_SKIP_CORE=1 '

  if args[:plugin] == "*"
    puts "Running qunit tests for all plugins"
  else
    puts "Running qunit tests for #{args[:plugin]}"
    cmd += "QUNIT_SINGLE_PLUGIN='#{args[:plugin]}' "
  end

  cmd += "#{rake} qunit:test"
  cmd += "[#{args[:timeout]}]" if args[:timeout]

  system cmd
  exit $?.exitstatus
end

desc 'run all migrations of a plugin'
namespace 'plugin:migrate' do
  def list_migrations(plugin_name)
    plugin_root = File.join(Rails.root, "plugins", plugin_name)
    migrations_root = File.join(plugin_root, "db", "{post_migrate,migrate}", "*.rb")
    Dir[migrations_root]
      .map do |migration_filename|
        File.basename(migration_filename)[/(^.*?)_/, 1].to_i
      end
      .sort
  end

  def cmd(operation, migration_number)
    "rails db:migrate:#{operation} LOAD_PLUGINS=1 VERSION=#{migration_number}"
  end

  task :down, [:plugin] do |t, args|
    list_migrations(args[:plugin]).reverse.each do |migration_number|
      sh cmd(:down, migration_number)
    end
  end

  task :up, [:plugin] do |t, args|
    list_migrations(args[:plugin]).each do |migration_number|
      sh cmd(:up, migration_number)
    end
  end
end

desc 'display all plugin versions'
task 'plugin:versions' do |t, args|
  versions =
    Dir
      .glob('*', base: 'plugins')
      .map { |plugin|
        [plugin, "plugins/#{plugin}", "plugins/#{plugin}/.git"]
      }
      .select { |plugin, plugin_dir, plugin_git_dir|
        File.directory?(plugin_dir) && File.directory?(plugin_git_dir)
      }
      .map { |plugin, _, plugin_git_dir|
        version = `git --git-dir \"#{plugin_git_dir}\" rev-parse HEAD`
        abort("unable to get #{plugin} version") unless version
        [plugin, version.strip[0...8]]
      }
      .to_h

  puts JSON.pretty_generate(versions)
end