<?php

/**
 * Implements hook_install
 */
function tripal_bulk_loader_install(){
   drupal_install_schema('tripal_bulk_loader');
}

/**
 * Implements hook_uninstall
 */
function tripal_bulk_loader_uninstall(){
   drupal_uninstall_schema('tripal_bulk_loader');
}

/**
 * Implements hook_schema
 *
 * Creates the following tables in the Drupal database:
 *  - tripal_bulk_loader: Stores extra details for bulk loading jobs (nodes)
 *  - tripal_bulk_loader_template: Stores all loading templates
 *  - tripal_bulk_loader_inserted: Keeps track of all records inserted for a given bulk loading job
 */
function tripal_bulk_loader_schema() {
	$schema = array();
	$schema['tripal_bulk_loader'] = array(
      'fields' => array(
         'nid' => array(
            'type' => 'int',
            'unsigned' => TRUE,
            'not null' => TRUE,
			),
         'loader_name' => array(
            'type' => 'varchar',
			),
         'template_id' => array(
            'type' => 'varchar',
			),
			'file' => array(
        'type' => 'varchar',
        'not null' => TRUE
			),
			'job_id' => array(
			  'type' => 'int',
			),
			'job_status' => array(
			  'type' => 'varchar',
			),
			'file_has_header' => array(
				'type' => 'int',
				'size' => 'tiny',
				'not null' => TRUE,
        'default' => 0,
			),
		),
  		'primary key' => array('nid'),
  		'unique keys' => array(
    		'name' => array('loader_name')
		),
	);
	$schema['tripal_bulk_loader_template'] = array(
      'fields' => array(
         'template_id' => array(
            'type' => 'serial',
            'unsigned' => TRUE,
            'not null' => TRUE,
			),
			'name' => array(
            'type' => 'varchar',
			),
         'template_array' => array(
            'type' => 'varchar',
			)
		),
  		'primary key' => array('template_id'),
		'unique keys' => array(
    		'name' => array('name')
		),
	);
	$schema['tripal_bulk_loader_inserted'] = array(
	  'fields' => array(
	    'tripal_bulk_loader_inserted_id' => array(
	      'type' => 'serial',
	      'not null' => TRUE
	    ),
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
			),
			'table_inserted_into' => array(
			  'type' => 'varchar',
			  'not null' => TRUE,
			),
			'table_primary_key' => array(
			  'type' => 'varchar',
			  'not null' => TRUE,
			),
			'ids_inserted' => array(
			  'type' => 'text',
			  'not null' => TRUE
			),
	  ),
	  'primary key' => array('tripal_bulk_loader_inserted_id'),
	);
	return $schema;
}