class CreateIssuesAndReports < ActiveRecord::Migration[5.0]
  def change
    create_table :issues do |t|
      t.string :reportable_type, :null => false
      t.integer :reportable_id, :null => false
      t.integer :reported_user_id, :null => false
      t.integer :status
      t.column :assigned_role, :user_role_enum, :null => false
      t.datetime :resolved_at
      t.integer :resolved_by
      t.integer :updated_by
      t.integer :reports_count, :default => 0
      t.timestamps :null => false
    end

    add_foreign_key :issues, :users, :column => :reported_user_id, :name => "issues_reported_user_id_fkey", :on_delete => :cascade
    add_foreign_key :issues, :users, :column => :updated_by, :name => "issues_updated_by_fkey", :on_delete => :cascade

    add_index :issues, :reported_user_id
    add_index :issues, [:reportable_id, :reportable_type]
    add_index :issues, :updated_by

    create_table :reports do |t|
      t.integer :issue_id
      t.integer :user_id
      t.text :details, :null => false
      t.string :category, :null => false
      t.timestamps :null => false
    end

    add_foreign_key :reports, :issues, :name => "reports_issue_id_fkey", :on_delete => :cascade
    add_foreign_key :reports, :users, :column => :user_id, :name => "reports_user_id_fkey", :on_delete => :cascade

    add_index :reports, :user_id
    add_index :reports, :issue_id

    create_table :issue_comments do |t|
      t.integer :issue_id, :null => false
      t.integer :user_id, :null => false
      t.text :body, :null => false
      t.timestamps :null => false
    end

    add_foreign_key :issue_comments, :issues, :name => "issue_comments_issue_id_fkey", :on_delete => :cascade
    add_foreign_key :issue_comments, :users, :column => :user_id, :name => "issue_comments_user_id", :on_delete => :cascade

    add_index :issue_comments, :user_id
    add_index :issue_comments, :issue_id
  end
end