<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ @package   akeebabackup
  ~ @copyright Copyright (c)2006-2021 Nicholas K. Dionysopoulos / Akeeba Ltd
  ~ @license   GNU General Public License version 3, or later
  -->

<schema>
    <!-- Metadata -->
    <meta>
        <!-- Supported driver types -->
        <drivers>
            <driver>mysql</driver>
            <driver>mysqli</driver>
            <driver>pdomysql</driver>
        </drivers>
    </meta>

    <!-- SQL commands to run on installation and update -->
    <sql>
        <!-- Create the #__ak_profiles table if it's missing -->
        <action table="#__ak_profiles" canfail="0">
            <condition type="missing" value="" />
            <query><![CDATA[
CREATE TABLE `#__ak_profiles` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`description` varchar(255) NOT NULL,
`configuration` longtext,
`filters` longtext,
`quickicon` tinyint(3) NOT NULL DEFAULT '1',
PRIMARY KEY (`id`)
) DEFAULT COLLATE utf8_general_ci;
            ]]></query>
        </action>

        <!-- Insert into #__ak_profiles if id=1 is not there -->
        <action table="#__ak_profiles" canfail="1">
            <condition type="equals" operator="not" value="1"><![CDATA[
SELECT COUNT(*) FROM `#__ak_profiles` WHERE `id` = 1;
            ]]></condition>

            <query><![CDATA[
INSERT IGNORE INTO `#__ak_profiles`
(`id`,`description`, `configuration`, `filters`, `quickicon`) VALUES
(1,'Default Backup Profile','','',1);
            ]]></query>
        </action>

        <!-- Create #__ak_stats if it's missing -->
        <action table="#__ak_stats" canfail="0">
            <condition type="missing" value="" />
            <query><![CDATA[
CREATE TABLE `#__ak_stats` (
	`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
	`description` varchar(255) NOT NULL,
	`comment` longtext,
	`backupstart` timestamp NULL DEFAULT NULL,
	`backupend` timestamp NULL DEFAULT NULL,
	`status` enum('run','fail','complete') NOT NULL DEFAULT 'run',
	`origin` varchar(30) NOT NULL DEFAULT 'backend',
	`type` varchar(30) NOT NULL DEFAULT 'full',
	`profile_id` bigint(20) NOT NULL DEFAULT '1',
	`archivename` longtext,
	`absolute_path` longtext,
	`multipart` int(11) NOT NULL DEFAULT '0',
	`tag` varchar(255) DEFAULT NULL,
	`backupid` varchar(255) DEFAULT NULL,
	`filesexist` tinyint(3) NOT NULL DEFAULT '1',
	`remote_filename` varchar(1000) DEFAULT NULL,
	`total_size` bigint(20) NOT NULL DEFAULT '0',
	`frozen` tinyint(1) NOT NULL DEFAULT '0',
	`instep` tinyint(1) NOT NULL DEFAULT '0',
	PRIMARY KEY (`id`),
	KEY `idx_fullstatus` (`filesexist`,`status`),
	KEY `idx_stale` (`status`,`origin`)
) DEFAULT COLLATE utf8_general_ci;
            ]]></query>
        </action>

        <!-- Create #__ak_storage if it's missing -->
        <action table="#__ak_storage" canfail="0">
            <condition type="missing" value="" />
            <query><![CDATA[
CREATE TABLE `#__ak_storage` (
	`tag` varchar(255) NOT NULL,
	`lastupdate` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
	`data` longtext,
	PRIMARY KEY (`tag`(100))
) DEFAULT COLLATE utf8_general_ci;
            ]]></query>
        </action>

        <!-- Add the backupid column to #__ak_stats if it's missing -->
        <action table="#__ak_stats" canfail="1">
            <condition type="missing" value="backupid" />
            <query><![CDATA[
ALTER TABLE `#__ak_stats`
ADD COLUMN `backupid` varchar(255) DEFAULT NULL
AFTER `tag`
            ]]></query>
        </action>

        <!-- Add the quickicon column to #__ak_profiles if it's missing -->
        <action table="#__ak_profiles" canfail="1">
            <condition type="missing" value="quickicon" />
            <query><![CDATA[
ALTER TABLE `#__ak_profiles`
ADD COLUMN `quickicon` tinyint(3) NOT NULL DEFAULT '1'
AFTER `filters`
            ]]></query>
        </action>

        <!-- Shorten the primary key before upgrading to utf8mb4 (in Joomla! 3.5+) -->
        <action table="#__ak_storage" canfail="1">
            <condition type="utf8mb4upgrade" />
            <query><![CDATA[
ALTER TABLE `#__ak_storage` DROP PRIMARY KEY;
            ]]></query>
            <query><![CDATA[
ALTER TABLE `#__ak_storage` ADD PRIMARY KEY (`tag`(100));
            ]]></query>
        </action>

        <!-- Add the frozen column to #__ak_stats if it's missing -->
        <action table="#__ak_stats" canfail="1">
            <condition type="missing" value="frozen" />
            <query><![CDATA[
ALTER TABLE `#__ak_stats` ADD COLUMN `frozen` tinyint(1) DEFAULT '0';
            ]]></query>
        </action>

        <!-- Add the instep column to #__ak_stats if it's missing -->
        <action table="#__ak_stats" canfail="1">
            <condition type="missing" value="instep" />
            <query><![CDATA[
ALTER TABLE `#__ak_stats` ADD COLUMN `instep` tinyint(1) DEFAULT '0';
            ]]></query>
        </action>

        <!-- Change datetime fields to nullable -->
        <action table="#__ak_stats" canfail="1">
            <condition type="nullable" value="backupstart" operator="not"/>
            <query><![CDATA[
        ALTER TABLE `#__ak_stats` MODIFY `backupstart` TIMESTAMP NULL DEFAULT NULL;
        ]]></query>
            <query><![CDATA[
        UPDATE `#__ak_stats` SET `backupstart` = NULL WHERE `backupstart` = '0000-00-00 00:00:00';
        ]]></query>
        </action>

        <action table="#__ak_stats" canfail="1">
            <condition type="nullable" value="backupend" operator="not"/>
            <query><![CDATA[
        ALTER TABLE `#__ak_stats` MODIFY `backupend` TIMESTAMP NULL DEFAULT NULL;
        ]]></query>
            <query><![CDATA[
        UPDATE `#__ak_stats` SET `backupend` = NULL WHERE `backupend` = '0000-00-00 00:00:00';
        ]]></query>
        </action>

        <!-- Nuke any old record inside the ak_storage table -->
        <action table="#__ak_storage" canfail="1">
            <condition type="equals" operator="not" value="0"><![CDATA[
SELECT COUNT(*) FROM `#__ak_storage`;
            ]]></condition>

            <query><![CDATA[
TRUNCATE TABLE `#__ak_storage`;
            ]]></query>
        </action>
    </sql>
</schema>