<?php

/**
 * @file
 *
 * Reminder installation callbacks.
 */

/**
 * Implements hook_schema()
 */
function reminder_schema() {
  $schema['reminder'] = array(
    'description' => 'The main informations of the reminders.',
    'fields' => array(
      'nid' => array(
        'description' => 'The contact with the base node.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE
      ),
      'uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0
      ),
      'anonym_name' => array(
        'type' => 'varchar',
        'length' => 100,
        'default' => ''
      ),
      'anonym_email' => array(
        'type' => 'varchar',
        'length' => 100,
        'default' => ''
      ),
      'until' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0'
      ),
      'frequency' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0'
      ),
      'url' => array(
        'type' => 'varchar',
        'length' => 10,
        'not null' => TRUE,
        'default' => ''
      ),
      'admin_url' => array(
        'type' => 'varchar',
        'length' => 25,
        'not null' => TRUE,
        'default' => ''
      ),
      'secure' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => '0'
      ),
      'description' => array(
          'description' => t('Reminder description'),
          'type'        => 'text',
          'length'      => 5000,
       ),
    ),
    'primary key' => array('nid'),
  );

  $schema['reminder_subscriptions'] = array(
    'description' => 'The table of subscribed users.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE
      ),
      'email' => array(
        'type' => 'varchar',
        'length' => 100,
        'default' => ''
      ),
      'reminder_id' => array(
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
        'default' => 0
      ),
      'unsubscribe_url' => array(
        'type' => 'varchar',
        'length' => 30,
        'not null' => TRUE,
        'default' => ''
      ),
    ),

    'primary key' => array('id'),
  );

  $schema['reminder_logs'] = array(
    'description' => 'Log table.',
    'fields' => array(
      'log_id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE
      ),
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0
      ),
      'username' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''
      ),
      'dt' => array(
        'type' => 'int',
        'not null' => TRUE,
      ),
    ),

    'primary key' => array('log_id'),
  );

  $schema['reminder_notifications'] = array(
    'description' => 'The table of sent notifications.',
    'fields' => array(
      'id' => array(
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE
      ),
      'reminder_id' => array(
        'type' => 'int',
        'not null' => TRUE,
        'unsigned' => TRUE,
        'default' => 0
      ),
      'last' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0'
      ),
    ),

    'primary key' => array('id'),
  );

  return $schema;
}

/**
 * Adds notification table.
 */
function reminder_update_7000(&$sandbox) {
  // Make sure to not run this update twice.
  if (db_table_exists('reminder_notifications')) {
    return;
  }

  $schema = reminder_schema();
  db_create_table('reminder_notifications', $schema['reminder_notifications']);
}

/**
 * Change field 'interval' to 'frequency'.
 */
function reminder_update_7001(&$sandbox) {
  // Make sure to not run this update twice.
  if (db_field_exists('reminder', 'frequency')) {
    return;
  }

  db_drop_field('reminder', 'interval');

  db_add_field('reminder', 'frequency',
    array(
      'description' => t('Reminder frequency.'),
      'type'        => 'varchar',
      'length'      => 255,
      'not null'    => TRUE,
      'default'     => '0'
    )
  );
}

/**
 * Adds description field.
 */
function reminder_update_7002(&$sandbox) {
  db_add_field('reminder', 'description',
    array(
      'description' => t('Reminder description'),
      'type'        => 'text',
      'length'      => 5000,
    )
  );
}

/**
 * Increase unsubscribe_url size.
 */
function reminder_update_7003(&$sandbox) {
  db_change_field('reminder_subscriptions', 'unsubscribe_url', 'unsubscribe_url',
      array(
        'type'     => 'varchar',
        'length'   => 30,
        'not null' => TRUE,
        'default'  => ''
        )
      );
}