# frozen_string_literal: true

require 'rails_helper'
require 'csv'

describe Jobs::ExportUserArchive do
  let(:user) { Fabricate(:user, username: "john_doe") }
  let(:extra) { {} }
  let(:job) {
    j = Jobs::ExportUserArchive.new
    j.current_user = user
    j.extra = extra
    j
  }
  let(:component) { raise 'component not set' }

  let(:admin) { Fabricate(:admin) }
  let(:category) { Fabricate(:category_with_definition) }
  let(:subcategory) { Fabricate(:category_with_definition, parent_category_id: category.id) }
  let(:topic) { Fabricate(:topic, category: category) }
  let(:post) { Fabricate(:post, user: user, topic: topic) }

  def make_component_csv
    data_rows = []
    csv_out = CSV.generate do |csv|
      csv << job.get_header(component)
      job.public_send(:"#{component}_export") do |row|
        csv << row
        data_rows << Jobs::ExportUserArchive::HEADER_ATTRS_FOR[component].zip(row.map(&:to_s)).to_h.with_indifferent_access
      end
    end
    [data_rows, csv_out]
  end

  def make_component_json
    JSON.parse(MultiJson.dump(job.public_send(:"#{component}_export")))
  end

  context '#execute' do
    before do
      _ = post
      user.user_profile.website = 'https://doe.example.com/john'
      user.user_profile.save
      # force a UserAuthTokenLog entry
      Discourse.current_user_provider.new({
        'HTTP_USER_AGENT' => 'MyWebBrowser',
        'REQUEST_PATH' => '/some_path/456852',
      }).log_on_user(user, {}, {})

      # force a nonstandard post action
      PostAction.new(user: user, post: post, post_action_type_id: 5).save
    end

    after do
      user.uploads.each(&:destroy!)
    end

    it 'raises an error when the user is missing' do
      expect { Jobs::ExportCsvFile.new.execute(user_id: user.id + (1 << 20)) }.to raise_error(Discourse::InvalidParameters)
    end

    it 'works' do
      expect do
        Jobs::ExportUserArchive.new.execute(
          user_id: user.id,
        )
      end.to change { Upload.count }.by(1)

      system_message = user.topics_allowed.last

      expect(system_message.title).to eq(I18n.t(
        "system_messages.csv_export_succeeded.subject_template",
        export_title: "User Archive"
      ))

      upload = system_message.first_post.uploads.first

      expect(system_message.first_post.raw).to eq(I18n.t(
        "system_messages.csv_export_succeeded.text_body_template",
        download_link: "[#{upload.original_filename}|attachment](#{upload.short_url}) (#{upload.human_filesize})"
      ).chomp)

      expect(system_message.id).to eq(UserExport.last.topic_id)
      expect(system_message.closed).to eq(true)

      files = []
      Zip::File.open(Discourse.store.path_for(upload)) do |zip_file|
        zip_file.each { |entry| files << entry.name }
      end

      expect(files.size).to eq(Jobs::ExportUserArchive::COMPONENTS.length)
      expect(files.find { |f| f == 'user_archive.csv' }).to_not be_nil
      expect(files.find { |f| f == 'category_preferences.csv' }).to_not be_nil
    end

    it 'sends a message if it fails' do
      SiteSetting.max_export_file_size_kb = 1

      expect do
        Jobs::ExportUserArchive.new.execute(
          user_id: user.id,
        )
      end.to change { Upload.count }.by(0)

      system_message = user.topics_allowed.last
      expect(system_message.title).to eq(I18n.t("system_messages.csv_export_failed.subject_template"))
    end
  end

  context 'user_archive posts' do
    let(:component) { 'user_archive' }
    let(:user2) { Fabricate(:user) }
    let(:subsubcategory) { Fabricate(:category_with_definition, parent_category_id: subcategory.id) }
    let(:subsubtopic) { Fabricate(:topic, category: subsubcategory) }
    let(:subsubpost) { Fabricate(:post, user: user, topic: subsubtopic) }

    let(:normal_post) { Fabricate(:post, user: user, topic: topic) }
    let(:reply) { PostCreator.new(user2, raw: 'asdf1234qwert7896', topic_id: topic.id, reply_to_post_number: normal_post.post_number).create }

    let(:message) { Fabricate(:private_message_topic) }
    let(:message_post) { Fabricate(:post, user: user, topic: message) }

    it 'properly exports posts' do
      SiteSetting.max_category_nesting = 3
      [reply, subsubpost, message_post]

      PostActionCreator.like(user2, normal_post)

      rows = []
      job.user_archive_export do |row|
        rows << Jobs::ExportUserArchive::HEADER_ATTRS_FOR['user_archive'].zip(row).to_h
      end

      expect(rows.length).to eq(3)

      post1 = rows.find { |r| r['topic_title'] == topic.title }
      post2 = rows.find { |r| r['topic_title'] == subsubtopic.title }
      post3 = rows.find { |r| r['topic_title'] == message.title }

      expect(post1["categories"]).to eq("#{category.name}")
      expect(post2["categories"]).to eq("#{category.name}|#{subcategory.name}|#{subsubcategory.name}")
      expect(post3["categories"]).to eq("-")

      expect(post1["is_pm"]).to eq(I18n.t("csv_export.boolean_no"))
      expect(post2["is_pm"]).to eq(I18n.t("csv_export.boolean_no"))
      expect(post3["is_pm"]).to eq(I18n.t("csv_export.boolean_yes"))

      expect(post1["post"]).to eq(normal_post.raw)
      expect(post2["post"]).to eq(subsubpost.raw)
      expect(post3["post"]).to eq(message_post.raw)

      expect(post1['like_count']).to eq(1)
      expect(post2['like_count']).to eq(0)

      expect(post1['reply_count']).to eq(1)
      expect(post2['reply_count']).to eq(0)
    end

    it 'can export a post from a deleted category' do
      cat2 = Fabricate(:category)
      topic2 = Fabricate(:topic, category: cat2, user: user)
      _post2 = Fabricate(:post, topic: topic2, user: user)

      cat2_id = cat2.id
      cat2.destroy!

      _, csv_out = make_component_csv
      expect(csv_out).to match cat2_id.to_s
    end
  end

  context 'preferences' do
    let(:component) { 'preferences' }

    before do
      user.user_profile.website = 'https://doe.example.com/john'
      user.user_profile.bio_raw = "I am John Doe\n\nHere I am"
      user.user_profile.save
      user.user_option.text_size = :smaller
      user.user_option.automatically_unpin_topics = false
      user.user_option.save
    end

    it 'properly includes the profile fields' do
      _serializer = job.preferences_export
      # puts MultiJson.dump(serializer, indent: 4)
      output = make_component_json
      payload = output['user']

      expect(payload['website']).to match('doe.example.com')
      expect(payload['bio_raw']).to match("Doe\n\nHere")
      expect(payload['user_option']['automatically_unpin_topics']).to eq(false)
      expect(payload['user_option']['text_size']).to eq('smaller')
    end
  end

  context 'auth tokens' do
    let(:component) { 'auth_tokens' }

    before do
      Discourse.current_user_provider.new({
        'HTTP_USER_AGENT' => 'MyWebBrowser',
        'REQUEST_PATH' => '/some_path/456852',
      }).log_on_user(user, {}, {})
    end

    it 'properly includes session records' do
      data, _csv_out = make_component_csv
      expect(data.length).to eq(1)

      expect(data[0]['user_agent']).to eq('MyWebBrowser')
    end

    context 'auth token logs' do
      let(:component) { 'auth_token_logs' }
      it 'includes details such as the path' do
        data, _csv_out = make_component_csv
        expect(data.length).to eq(1)

        expect(data[0]['action']).to eq('generate')
        expect(data[0]['path']).to eq('/some_path/456852')
      end
    end
  end

  context 'badges' do
    let(:component) { 'badges' }

    let(:badge1) { Fabricate(:badge) }
    let(:badge2) { Fabricate(:badge, multiple_grant: true) }
    let(:badge3) { Fabricate(:badge, multiple_grant: true) }
    let(:day_ago) { 1.day.ago }

    it 'properly includes badge records' do
      grant_start = Time.now.utc
      BadgeGranter.grant(badge1, user)
      BadgeGranter.grant(badge2, user)
      BadgeGranter.grant(badge2, user, granted_by: admin)
      BadgeGranter.grant(badge3, user, post_id: Fabricate(:post).id)
      BadgeGranter.grant(badge3, user, post_id: Fabricate(:post).id)
      BadgeGranter.grant(badge3, user, post_id: Fabricate(:post).id)

      data, _csv_out = make_component_csv
      expect(data.length).to eq(6)

      expect(data[0]['badge_id']).to eq(badge1.id.to_s)
      expect(data[0]['badge_name']).to eq(badge1.display_name)
      expect(data[0]['featured_rank']).to_not eq('')
      expect(DateTime.parse(data[0]['granted_at'])).to be >= DateTime.parse(grant_start.to_s)
      expect(data[2]['granted_manually']).to eq('true')
      expect(Post.find(data[3]['post_id'])).to_not be_nil
    end

  end

  context 'bookmarks' do
    let(:component) { 'bookmarks' }

    let(:name) { 'Collect my thoughts on this' }
    let(:manager) { BookmarkManager.new(user) }
    let(:topic1) { Fabricate(:topic) }
    let(:post1) { Fabricate(:post, topic: topic1, post_number: 5) }
    let(:post2) { Fabricate(:post) }
    let(:post3) { Fabricate(:post) }
    let(:message) { Fabricate(:private_message_topic) }
    let(:post4) { Fabricate(:post, topic: message) }
    let(:reminder_at) { 1.day.from_now }

    it 'properly includes bookmark records' do
      now = freeze_time '2017-03-01 12:00'

      bkmk1 = manager.create(post_id: post1.id, name: name)
      update1_at = now + 1.hours
      bkmk1.update(name: 'great food recipe', updated_at: update1_at)

      manager.create(post_id: post2.id, name: name, reminder_at: reminder_at, options: { auto_delete_preference: Bookmark.auto_delete_preferences[:when_reminder_sent] })
      twelve_hr_ago = freeze_time now - 12.hours
      pending_reminder = manager.create(post_id: post3.id, name: name, reminder_at: now - 8.hours)
      freeze_time now

      tau_record = message.topic_allowed_users.create!(user_id: user.id)
      manager.create(post_id: post4.id, name: name)
      tau_record.destroy!

      BookmarkReminderNotificationHandler.send_notification(pending_reminder)

      data, _csv_out = make_component_csv

      expect(data.length).to eq(4)

      expect(data[0]['post_id']).to eq(post1.id.to_s)
      expect(data[0]['topic_id']).to eq(topic1.id.to_s)
      expect(data[0]['post_number']).to eq('5')
      expect(data[0]['link']).to eq(post1.full_url)
      expect(DateTime.parse(data[0]['updated_at'])).to eq(DateTime.parse(update1_at.to_s))

      expect(data[1]['name']).to eq(name)
      expect(DateTime.parse(data[1]['reminder_at'])).to eq(DateTime.parse(reminder_at.to_s))
      expect(data[1]['auto_delete_preference']).to eq('when_reminder_sent')

      expect(DateTime.parse(data[2]['created_at'])).to eq(DateTime.parse(twelve_hr_ago.to_s))
      expect(DateTime.parse(data[2]['reminder_last_sent_at'])).to eq(DateTime.parse(now.to_s))
      expect(data[2]['reminder_set_at']).to eq('')

      expect(data[3]['topic_id']).to eq(message.id.to_s)
      expect(data[3]['link']).to eq('')
    end

  end

  context 'category_preferences' do
    let(:component) { 'category_preferences' }

    let(:subsubcategory) { Fabricate(:category_with_definition, parent_category_id: subcategory.id) }
    let(:announcements) { Fabricate(:category_with_definition) }
    let(:deleted_category) { Fabricate(:category) }

    let(:reset_at) { DateTime.parse('2017-03-01 12:00') }

    before do
      SiteSetting.max_category_nesting = 3

      # TopicsController#reset-new?category_id=&include_subcategories=true
      category_ids = [subcategory.id, subsubcategory.id]
      category_ids.each do |category_id|
        user
          .category_users
          .where(category_id: category_id)
          .first_or_initialize
          .update!(last_seen_at: reset_at)
      end

      # Set Watching First Post on announcements, Tracking on subcategory, Muted on deleted, nothing on subsubcategory
      CategoryUser.set_notification_level_for_category(user, NotificationLevels.all[:watching_first_post], announcements.id)
      CategoryUser.set_notification_level_for_category(user, NotificationLevels.all[:tracking], subcategory.id)
      CategoryUser.set_notification_level_for_category(user, NotificationLevels.all[:muted], deleted_category.id)

      deleted_category.destroy!
    end

    it 'correctly exports the CategoryUser table' do
      data, _csv_out = make_component_csv

      expect(data.find { |r| r['category_id'] == category.id }).to be_nil
      expect(data.length).to eq(4)
      data.sort! { |a, b| a['category_id'].to_i <=> b['category_id'].to_i }

      expect(data[0][:category_id]).to eq(subcategory.id.to_s)
      expect(data[0][:notification_level].to_s).to eq('tracking')
      expect(DateTime.parse(data[0][:dismiss_new_timestamp])).to eq(reset_at)

      expect(data[1][:category_id]).to eq(subsubcategory.id.to_s)
      expect(data[1][:category_names]).to eq("#{category.name}|#{subcategory.name}|#{subsubcategory.name}")
      expect(data[1][:notification_level]).to eq('') # empty string, not 'normal'
      expect(DateTime.parse(data[1][:dismiss_new_timestamp])).to eq(reset_at)

      expect(data[2][:category_id]).to eq(announcements.id.to_s)
      expect(data[2][:category_names]).to eq(announcements.name)
      expect(data[2][:notification_level]).to eq('watching_first_post')
      expect(data[2][:dismiss_new_timestamp]).to eq('')

      expect(data[3][:category_names]).to eq(data[3][:category_id])
    end
  end

  context 'flags' do
    let(:component) { 'flags' }
    let(:other_post) { Fabricate(:post, user: admin) }
    let(:post3) { Fabricate(:post) }
    let(:post4) { Fabricate(:post) }

    it 'correctly exports flags' do
      result0 = PostActionCreator.notify_moderators(user, other_post, "helping out the admins")
      PostActionCreator.spam(user, post3)
      PostActionDestroyer.destroy(user, post3, :spam)
      PostActionCreator.inappropriate(user, post3)

      result3 = PostActionCreator.off_topic(user, post4)
      result3.reviewable.perform(admin, :agree_and_keep)

      data, _csv_out = make_component_csv
      expect(data.length).to eq(4)
      data.sort_by! { |row| row['post_id'].to_i }

      expect(data[0]['post_id']).to eq(other_post.id.to_s)
      expect(data[0]['flag_type']).to eq('notify_moderators')
      expect(data[0]['related_post_id']).to eq(result0.post_action.related_post_id.to_s)

      expect(data[1]['flag_type']).to eq('spam')
      expect(data[2]['flag_type']).to eq('inappropriate')
      expect(data[1]['deleted_at']).to_not be_empty
      expect(data[1]['deleted_by']).to eq('self')
      expect(data[2]['deleted_at']).to be_empty

      expect(data[3]['post_id']).to eq(post4.id.to_s)
      expect(data[3]['flag_type']).to eq('off_topic')
      expect(data[3]['deleted_at']).to be_empty
    end
  end

  context 'likes' do
    let(:component) { 'likes' }
    let(:other_post) { Fabricate(:post, user: admin) }
    let(:post3) { Fabricate(:post) }

    it 'correctly exports likes' do
      PostActionCreator.like(user, other_post)
      PostActionCreator.like(user, post3)
      PostActionCreator.like(admin, post3)
      PostActionDestroyer.destroy(user, post3, :like)
      post3.destroy!

      data, _csv_out = make_component_csv
      expect(data.length).to eq(2)
      data.sort_by! { |row| row['post_id'].to_i }

      expect(data[0]['post_id']).to eq(other_post.id.to_s)
      expect(data[1]['post_id']).to eq(post3.id.to_s)
      expect(data[1]['deleted_at']).to_not be_empty
      expect(data[1]['deleted_by']).to eq('self')
    end
  end

  context 'queued posts' do
    let(:component) { 'queued_posts' }
    let(:reviewable_post) { Fabricate(:reviewable_queued_post, topic: topic, created_by: user) }
    let(:reviewable_topic) { Fabricate(:reviewable_queued_post_topic, category: category, created_by: user) }

    it 'correctly exports queued posts' do
      SiteSetting.tagging_enabled = true

      reviewable_post.perform(admin, :reject_post)
      reviewable_topic.payload['tags'] = ['example_tag']
      result = reviewable_topic.perform(admin, :approve_post)
      expect(result.success?).to eq(true)

      data, csv_out = make_component_csv
      expect(data.length).to eq(2)
      expect(csv_out).to_not match(admin.username)

      approved = data.find { |el| el["verdict"] === "approved" }
      rejected = data.find { |el| el["verdict"] === "rejected" }

      expect(approved['other_json']).to match('example_tag')
      expect(rejected['post_raw']).to eq('hello world post contents.')
      expect(rejected['other_json']).to match('reply_to_post_number')
    end
  end

  context 'visits' do
    let(:component) { 'visits' }
    let(:user2) { Fabricate(:user) }

    it 'correctly exports the UserVisit table' do
      freeze_time '2017-03-01 12:00'

      UserVisit.create(user_id: user.id, visited_at: 1.minute.ago, posts_read: 1, mobile: false, time_read: 10)
      UserVisit.create(user_id: user.id, visited_at: 2.days.ago, posts_read: 2, mobile: false, time_read: 20)
      UserVisit.create(user_id: user.id, visited_at: 1.week.ago, posts_read: 3, mobile: true, time_read: 30)
      UserVisit.create(user_id: user.id, visited_at: 1.year.ago, posts_read: 4, mobile: false, time_read: 40)
      UserVisit.create(user_id: user2.id, visited_at: 1.minute.ago, posts_read: 1, mobile: false, time_read: 50)

      data, _csv_out = make_component_csv

      # user2's data is not mixed in
      expect(data.length).to eq(4)
      expect(data.find { |r| r['time_read'] == 50 }).to be_nil

      expect(data[0]['visited_at']).to eq('2016-03-01')
      expect(data[0]['posts_read']).to eq('4')
      expect(data[0]['time_read']).to eq('40')
      expect(data[1]['mobile']).to eq('true')
      expect(data[3]['visited_at']).to eq('2017-03-01')
    end
  end
end