<?php

/**
 * @file
 * This file contains all the functions which describe and implement drupal database tables
 * needed by this module. This module was developed by Chad N.A. Krilow and Lacey-Anne Sanderson,
 * University of Saskatchewan.
 *
 * The contact manamgenet module allows you to sync data in a chado/Tripal instance with
 * multiple contact/mysql instances as well as manage and create such contact instances
 */

/**
 * Implementation of hook_requirements().
 *
 */
function tripal_contact_requirements($phase) {
  $requirements = array();
  if ($phase == 'install') {
    // make sure chado is installed
    if (!tripal_core_is_chado_installed()) {
      $requirements ['tripal_contact'] = array(
        'title' => "tripal_contact",
        'value' => "ERROR: Chado most be installed before this module can be enabled",
        'severity' => REQUIREMENT_ERROR,
      );
    }
  }
  return $requirements;
}

/**
 * Implementation of hook_install().
 */
function tripal_contact_install() {
	
	// create the module's data directory
  tripal_create_moddir('tripal_contact');
  
  // add the contactprop table to Chado
  tripal_contact_add_custom_tables();
  
  // add loading of the the tripal contact ontology to the job queue
  $obo_path =  realpath('./') . '/' . drupal_get_path('module', 'tripal_contact') . '/files/tcontact.obo';
  $obo_id = tripal_cv_add_obo_ref('Tripal Contacts', $obo_path);
  tripal_cv_submit_obo_job($obo_id);
}

/**
 * Implementation of hook_uninstall().
 */
function tripal_contact_uninstall() {

}

/**
 * Implementation of hook_schema().
 */
function tripal_contact_schema() {
  $schema['chado_contact'] = array(
    'fields' => array(
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0
      ),
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0
      ),
      'contact_id' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0
      )
    ),
    'indexes' => array(
      'contact_id' => array('contact_id')
    ),
    'unique keys' => array(
      'nid_vid' => array('nid', 'vid'),
      'vid' => array('vid')
    ),
    'primary key' => array('nid'),
  );
  return $schema;
}


/*
 * 
 */
function tripal_contact_add_custom_tables(){
  $schema = array (
    'table' => 'contactprop',
    'fields' => array (
      'contactprop_id' => array (
        'type' => 'serial',
        'not null' => true,
      ),
      'contact_id' => array (
        'type' => 'int',
        'not null' => true,
      ),
      'type_id' => array (
        'type' => 'int',
        'not null' => true,
      ),
      'value' => array (
        'type' => 'text',
        'not null' => false,
      ),
      'rank' => array (
        'type' => 'int',
        'not null' => true,
        'default' => 0,
      ),
    ),
    'primary key' => array (
      0 => 'contactprop_id',
    ),
    'unique keys' => array (
      'contactprop_c1' => array (
        0 => 'contact_id',
        1 => 'type_id',
        2 => 'rank',
      ),
    ),
    'indexes' => array (
      'contactprop_idx1' => array (
        0 => 'contact_id',
      ),
      'contactprop_idx2' => array (
        0 => 'type_id',
      ),
    ),
    'foreign keys' => array (
      'cvterm' => array (
        'table' => 'cvterm',
        'columns' => array (
          'type_id' => 'cvterm_id',
        ),
      ),
      'contact' => array (
        'table' => 'contact',
        'columns' => array (
          'contact_id' => 'contact_id',
        ),
      ),
    ),
  );
  tripal_core_create_custom_table('contactprop', $schema, TRUE);
}