databaseChangeLog:
  - changeSet:
      id: 0006-add-cart-direcciones
      author: jjo
      preConditions:
        onFail: MARK_RAN
        not:
          tableExists:
            tableName: cart_direcciones

      changes:
        - createTable:
            tableName: cart_direcciones
            remarks: "Relación de direcciones y unidades por carrito/direcciones_envio"
            columns:
              - column:
                  name: id
                  type: BIGINT UNSIGNED AUTO_INCREMENT
                  constraints:
                    primaryKey: true
                    primaryKeyName: pk_cart_direcciones

              - column:
                  name: cart_id
                  type: BIGINT
                  constraints:
                    nullable: false

              - column:
                  name: direccion_id
                  type: BIGINT
                  constraints:
                    nullable: false

              - column:
                  name: presupuesto_id
                  type: BIGINT
                  constraints:
                    nullable: true

              - column:
                  name: unidades
                  type: INT
                  constraints:
                    nullable: true
              
              - column:
                  name: is_palets
                  type: TINYINT(1)
                  constraints:
                    nullable: false
                    defaultValue: false
                    
        - createIndex:
            indexName: idx_cart_dir_direccion_id
            tableName: cart_direcciones
            columns:
              - column:
                  name: direccion_id

        - createIndex:
            indexName: idx_cart_dir_presupuesto_id
            tableName: cart_direcciones
            columns:
              - column:
                  name: presupuesto_id

        - addForeignKeyConstraint:
            baseTableName: cart_direcciones
            baseColumnNames: direccion_id
            constraintName: fk_cart_dir_direccion
            referencedTableName: direcciones
            referencedColumnNames: id
            onDelete: CASCADE
            onUpdate: CASCADE

        - addForeignKeyConstraint:
            baseTableName: cart_direcciones
            baseColumnNames: presupuesto_id
            constraintName: fk_cart_dir_presupuesto
            referencedTableName: presupuesto
            referencedColumnNames: id
            onDelete: SET NULL
            onUpdate: CASCADE

      rollback:
        - dropForeignKeyConstraint:
            baseTableName: cart_direcciones
            constraintName: fk_cart_dir_direccion
        - dropForeignKeyConstraint:
            baseTableName: cart_direcciones
            constraintName: fk_cart_dir_presupuesto
        - dropTable:
            tableName: cart_direcciones