class CreateSimplecrmSchema < ActiveRecord::Migration[8.1]
  def change
    create_table :users do |t|
      t.string :email, null: false
      t.string :password_digest, null: false
      t.string :first_name, null: false
      t.string :last_name, null: false
      t.string :role, null: false, default: "user"
      t.boolean :active, null: false, default: true
      t.string :password_reset_token
      t.datetime :password_reset_sent_at
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :users, :email, unique: true
    add_index :users, :password_reset_token, unique: true
    add_index :users, :role

    create_table :products do |t|
      t.string :name, null: false
      t.string :code, null: false
      t.boolean :active, null: false, default: true
      t.integer :position, null: false, default: 0
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :products, :code, unique: true
    add_index :products, :position

    create_table :organizations do |t|
      t.string :name, null: false
      t.string :legal_name
      t.string :organization_type, null: false, default: "altro"
      t.string :sport
      t.string :country, null: false, default: "Italia"
      t.string :region
      t.string :province
      t.string :city
      t.string :address
      t.string :website
      t.string :phone
      t.string :email
      t.string :vat_number
      t.text :notes
      t.string :status, null: false, default: "prospect"
      t.string :lead_source
      t.references :assigned_user, foreign_key: { to_table: :users }
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :organizations, :status
    add_index :organizations, :lead_source
    add_index :organizations, :organization_type
    add_index :organizations, :email
    add_index :organizations, :name
    add_index :organizations, :city
    add_index :organizations, :website
    add_index :organizations, :sport
    add_index :organizations, :country
    add_index :organizations, :region

    create_table :contacts do |t|
      t.references :organization, null: false, foreign_key: true
      t.string :first_name, null: false
      t.string :last_name, null: false
      t.string :role
      t.string :email
      t.string :phone
      t.string :mobile
      t.string :preferred_contact_method, default: "email"
      t.text :notes
      t.boolean :primary_contact, null: false, default: false
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :contacts, :email
    add_index :contacts, :phone
    add_index :contacts, :primary_contact
    add_index :contacts, [:last_name, :first_name]

    create_table :opportunities do |t|
      t.references :organization, null: false, foreign_key: true
      t.string :name, null: false
      t.string :pipeline_stage, null: false, default: "to_contact"
      t.decimal :estimated_value, precision: 12, scale: 2
      t.integer :probability, default: 0
      t.date :expected_close_date
      t.string :product
      t.references :assigned_user, foreign_key: { to_table: :users }
      t.string :lost_reason
      t.text :notes
      t.datetime :won_at
      t.datetime :lost_at
      t.datetime :stage_changed_at
      t.datetime :first_contacted_at
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :opportunities, :pipeline_stage
    add_index :opportunities, :lost_reason
    add_index :opportunities, :product
    add_index :opportunities, :expected_close_date
    add_index :opportunities, :stage_changed_at

    create_table :activities do |t|
      t.string :activity_type, null: false
      t.string :subject, null: false
      t.text :description
      t.datetime :happened_at, null: false
      t.references :user, null: false, foreign_key: true
      t.references :organization, null: false, foreign_key: true
      t.references :contact, foreign_key: true
      t.references :opportunity, foreign_key: true
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :activities, :activity_type
    add_index :activities, :happened_at
    add_index :activities, [:organization_id, :happened_at]

    create_table :tasks do |t|
      t.string :title, null: false
      t.text :description
      t.references :organization, null: false, foreign_key: true
      t.references :contact, foreign_key: true
      t.references :opportunity, foreign_key: true
      t.references :assigned_user, foreign_key: { to_table: :users }
      t.datetime :due_at, null: false
      t.datetime :completed_at
      t.string :priority, null: false, default: "normal"
      t.string :task_type, null: false, default: "generic"
      t.string :status, null: false, default: "pending"
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :tasks, :due_at
    add_index :tasks, :status
    add_index :tasks, :priority
    add_index :tasks, :task_type
    add_index :tasks, [:status, :due_at]

    create_table :sales_goals do |t|
      t.string :name, null: false
      t.string :metric, null: false
      t.decimal :target_value, precision: 12, scale: 2, null: false
      t.date :start_date, null: false
      t.date :end_date, null: false
      t.boolean :active, null: false, default: true
      t.bigint :created_by_id
      t.bigint :updated_by_id
      t.timestamps
    end
    add_index :sales_goals, :metric
    add_index :sales_goals, [:start_date, :end_date]
    add_index :sales_goals, :active
  end
end