# frozen_string_literal: true

class CreateGoodJobs < ActiveRecord::Migration<%= migration_version %>
  def change
    # Uncomment for Postgres v12 or earlier to enable gen_random_uuid() support
    # enable_extension 'pgcrypto'

    create_table :good_jobs, id: :uuid do |t|
      t.text :queue_name
      t.integer :priority
      t.jsonb :serialized_params
      t.datetime :scheduled_at
      t.datetime :performed_at
      t.datetime :finished_at
      t.text :error

      t.timestamps

      t.uuid :active_job_id
      t.text :concurrency_key
      t.text :cron_key
      t.uuid :retried_good_job_id
      t.datetime :cron_at

      t.uuid :batch_id
      t.uuid :batch_callback_id

      t.boolean :is_discrete
      t.integer :executions_count
      t.text :job_class
      t.integer :error_event, limit: 2
      t.text :labels, array: true
    end

    create_table :good_job_batches, id: :uuid do |t|
      t.timestamps
      t.text :description
      t.jsonb :serialized_properties
      t.text :on_finish
      t.text :on_success
      t.text :on_discard
      t.text :callback_queue_name
      t.integer :callback_priority
      t.datetime :enqueued_at
      t.datetime :discarded_at
      t.datetime :finished_at
    end

    create_table :good_job_executions, id: :uuid do |t|
      t.timestamps

      t.uuid :active_job_id, null: false
      t.text :job_class
      t.text :queue_name
      t.jsonb :serialized_params
      t.datetime :scheduled_at
      t.datetime :finished_at
      t.text :error
      t.integer :error_event, limit: 2
    end

    create_table :good_job_processes, id: :uuid do |t|
      t.timestamps
      t.jsonb :state
    end

    create_table :good_job_settings, id: :uuid do |t|
      t.timestamps
      t.text :key
      t.jsonb :value
      t.index :key, unique: true
    end

    add_index :good_jobs, :scheduled_at, where: "(finished_at IS NULL)", name: :index_good_jobs_on_scheduled_at
    add_index :good_jobs, [:queue_name, :scheduled_at], where: "(finished_at IS NULL)", name: :index_good_jobs_on_queue_name_and_scheduled_at
    add_index :good_jobs, [:active_job_id, :created_at], name: :index_good_jobs_on_active_job_id_and_created_at
    add_index :good_jobs, :concurrency_key, where: "(finished_at IS NULL)", name: :index_good_jobs_on_concurrency_key_when_unfinished
    add_index :good_jobs, [:cron_key, :created_at], where: "(cron_key IS NOT NULL)", name: :index_good_jobs_on_cron_key_and_created_at_cond
    add_index :good_jobs, [:cron_key, :cron_at], where: "(cron_key IS NOT NULL)", unique: true, name: :index_good_jobs_on_cron_key_and_cron_at_cond
    add_index :good_jobs, [:finished_at], where: "retried_good_job_id IS NULL AND finished_at IS NOT NULL", name: :index_good_jobs_jobs_on_finished_at
    add_index :good_jobs, [:priority, :created_at], order: { priority: "DESC NULLS LAST", created_at: :asc },
      where: "finished_at IS NULL", name: :index_good_jobs_jobs_on_priority_created_at_when_unfinished
    add_index :good_jobs, [:priority, :created_at], order: { priority: "ASC NULLS LAST", created_at: :asc },
      where: "finished_at IS NULL", name: :index_good_job_jobs_for_candidate_lookup
    add_index :good_jobs, [:batch_id], where: "batch_id IS NOT NULL"
    add_index :good_jobs, [:batch_callback_id], where: "batch_callback_id IS NOT NULL"
    add_index :good_jobs, :labels, using: :gin, where: "(labels IS NOT NULL)", name: :index_good_jobs_on_labels

    add_index :good_job_executions, [:active_job_id, :created_at], name: :index_good_job_executions_on_active_job_id_and_created_at
  end
end