<?php
/*
* 2007-2016 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2016 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

abstract class AdminStatsTabControllerCore extends AdminPreferencesControllerCore
{
    public function init()
    {
        parent::init();

        $this->action = 'view';
        $this->display = 'view';
    }

    public function initContent()
    {
        if ($this->ajax) {
            return;
        }

        $this->initTabModuleList();
        $this->addToolBarModulesListButton();
        $this->toolbar_title = $this->l('Stats', 'AdminStatsTab');
        $this->initPageHeaderToolbar();
        if ($this->display == 'view') {
            // Some controllers use the view action without an object
            if ($this->className) {
                $this->loadObject(true);
            }
            $this->content .= $this->renderView();
        }
        
        $this->content .= $this->displayMenu();
        $this->content .= $this->displayCalendar();
        $this->content .= $this->displayStats();


        $this->context->smarty->assign(array(
            'content' => $this->content,
            'url_post' => self::$currentIndex.'&token='.$this->token,
            'show_page_header_toolbar' => $this->show_page_header_toolbar,
            'page_header_toolbar_title' => $this->page_header_toolbar_title,
            'page_header_toolbar_btn' => $this->page_header_toolbar_btn
        ));
    }

    public function initPageHeaderToolbar()
    {
        parent::initPageHeaderToolbar();
        unset($this->page_header_toolbar_btn['back']);
    }

    public function displayCalendar()
    {
        return AdminStatsTabController::displayCalendarForm(array(
            'Calendar' => $this->l('Calendar', 'AdminStatsTab'),
            'Day' => $this->l('Day', 'AdminStatsTab'),
            'Month' => $this->l('Month', 'AdminStatsTab'),
            'Year' => $this->l('Year', 'AdminStatsTab'),
            'From' => $this->l('From:', 'AdminStatsTab'),
            'To' => $this->l('To:', 'AdminStatsTab'),
            'Save' => $this->l('Save', 'AdminStatsTab')
        ), $this->token);
    }

    public static function displayCalendarForm($translations, $token, $action = null, $table = null, $identifier = null, $id = null)
    {
        $context = Context::getContext();

        $tpl = $context->controller->createTemplate('calendar.tpl');

        $context->controller->addJqueryUI('ui.datepicker');

        if ($identifier === null && Tools::getValue('module')) {
            $identifier = 'module';
            $id = Tools::getValue('module');
        }
        
        $action = Context::getContext()->link->getAdminLink('AdminStats');
        $action .= ($action && $table ? '&'.Tools::safeOutput($action) : '');
        $action .= ($identifier && $id ? '&'.Tools::safeOutput($identifier).'='.(int)$id : '');
        $module = Tools::getValue('module');
        $action .= ($module ? '&module='.Tools::safeOutput($module) : '');
        $action .= (($id_product = Tools::getValue('id_product')) ? '&id_product='.Tools::safeOutput($id_product) : '');
        $tpl->assign(array(
            'current' => self::$currentIndex,
            'token' => $token,
            'action' => $action,
            'table' => $table,
            'identifier' => $identifier,
            'id' => $id,
            'translations' => $translations,
            'datepickerFrom' => Tools::getValue('datepickerFrom', $context->employee->stats_date_from),
            'datepickerTo' => Tools::getValue('datepickerTo', $context->employee->stats_date_to)
        ));

        return $tpl->fetch();
    }

    /* Not used anymore, but still work */
    protected function displayEngines()
    {
        $tpl = $this->createTemplate('engines.tpl');

        $autoclean_period = array(
            'never' =>    $this->l('Never', 'AdminStatsTab'),
            'week' =>    $this->l('Week', 'AdminStatsTab'),
            'month' =>    $this->l('Month', 'AdminStatsTab'),
            'year' =>    $this->l('Year', 'AdminStatsTab')
        );

        $tpl->assign(array(
            'current' => self::$currentIndex,
            'token' => $this->token,
            'graph_engine' => Configuration::get('PS_STATS_RENDER'),
            'grid_engine' => Configuration::get('PS_STATS_GRID_RENDER'),
            'auto_clean' => Configuration::get('PS_STATS_OLD_CONNECT_AUTO_CLEAN'),
            'array_graph_engines' => ModuleGraphEngine::getGraphEngines(),
            'array_grid_engines' => ModuleGridEngine::getGridEngines(),
            'array_auto_clean' => $autoclean_period,
        ));

        return $tpl->fetch();
    }

    public function displayMenu()
    {
        $tpl = $this->createTemplate('menu.tpl');

        $modules = $this->getModules();
        $module_instance = array();
        foreach ($modules as $m => $module) {
            if ($module_instance[$module['name']] = Module::getInstanceByName($module['name'])) {
                $modules[$m]['displayName'] = $module_instance[$module['name']]->displayName;
            } else {
                unset($module_instance[$module['name']]);
                unset($modules[$m]);
            }
        }

        uasort($modules, array($this, 'checkModulesNames'));

        $tpl->assign(array(
            'current' => self::$currentIndex,
            'current_module_name' => Tools::getValue('module', 'statsforecast'),
            'token' => $this->token,
            'modules' => $modules,
            'module_instance' => $module_instance
        ));

        return $tpl->fetch();
    }
    
    public function checkModulesNames($a, $b)
    {
        return (bool)($a['displayName'] > $b['displayName']);
    }

    protected function getModules()
    {
        $sql = 'SELECT h.`name` AS hook, m.`name`
				FROM `'._DB_PREFIX_.'module` m
				LEFT JOIN `'._DB_PREFIX_.'hook_module` hm ON hm.`id_module` = m.`id_module`
				LEFT JOIN `'._DB_PREFIX_.'hook` h ON hm.`id_hook` = h.`id_hook`
				WHERE h.`name` = \'displayAdminStatsModules\'
					AND m.`active` = 1
				GROUP BY hm.id_module
				ORDER BY hm.`position`';
        return Db::getInstance()->executeS($sql);
    }

    public function displayStats()
    {
        $tpl = $this->createTemplate('stats.tpl');

        if ((!($module_name = Tools::getValue('module')) || !Validate::isModuleName($module_name)) && ($module_instance = Module::getInstanceByName('statsforecast')) && $module_instance->active) {
            $module_name = 'statsforecast';
        }

        if ($module_name) {
            $_GET['module'] = $module_name;

            if (!isset($module_instance)) {
                $module_instance = Module::getInstanceByName($module_name);
            }
                
            if ($module_instance && $module_instance->active) {
                $hook = Hook::exec('displayAdminStatsModules', null, $module_instance->id);
            }
        }

        $tpl->assign(array(
            'module_name' => $module_name,
            'module_instance' => isset($module_instance) ? $module_instance : null,
            'hook' => isset($hook) ? $hook : null
        ));

        return $tpl->fetch();
    }

    public function postProcess()
    {
        $this->context = Context::getContext();
        
        $this->processDateRange();
        
        if (Tools::getValue('submitSettings')) {
            if ($this->tabAccess['edit'] === '1') {
                self::$currentIndex .= '&module='.Tools::getValue('module');
                Configuration::updateValue('PS_STATS_RENDER', Tools::getValue('PS_STATS_RENDER', Configuration::get('PS_STATS_RENDER')));
                Configuration::updateValue('PS_STATS_GRID_RENDER', Tools::getValue('PS_STATS_GRID_RENDER', Configuration::get('PS_STATS_GRID_RENDER')));
                Configuration::updateValue('PS_STATS_OLD_CONNECT_AUTO_CLEAN', Tools::getValue('PS_STATS_OLD_CONNECT_AUTO_CLEAN', Configuration::get('PS_STATS_OLD_CONNECT_AUTO_CLEAN')));
            } else {
                $this->errors[] = Tools::displayError('You do not have permission to edit this.');
            }
        }
    }
    
    public function processDateRange()
    {
        if (Tools::isSubmit('submitDatePicker')) {
            if ((!Validate::isDate($from = Tools::getValue('datepickerFrom')) || !Validate::isDate($to = Tools::getValue('datepickerTo'))) || (strtotime($from) > strtotime($to))) {
                $this->errors[] = Tools::displayError('The specified date is invalid.');
            }
        }
        if (Tools::isSubmit('submitDateDay')) {
            $from = date('Y-m-d');
            $to = date('Y-m-d');
        }
        if (Tools::isSubmit('submitDateDayPrev')) {
            $yesterday = time() - 60 * 60 * 24;
            $from = date('Y-m-d', $yesterday);
            $to = date('Y-m-d', $yesterday);
        }
        if (Tools::isSubmit('submitDateMonth')) {
            $from = date('Y-m-01');
            $to = date('Y-m-t');
        }
        if (Tools::isSubmit('submitDateMonthPrev')) {
            $m = (date('m') == 1 ? 12 : date('m') - 1);
            $y = ($m == 12 ? date('Y') - 1 : date('Y'));
            $from = $y.'-'.$m.'-01';
            $to = $y.'-'.$m.date('-t', mktime(12, 0, 0, $m, 15, $y));
        }
        if (Tools::isSubmit('submitDateYear')) {
            $from = date('Y-01-01');
            $to = date('Y-12-31');
        }
        if (Tools::isSubmit('submitDateYearPrev')) {
            $from = (date('Y') - 1).date('-01-01');
            $to = (date('Y') - 1).date('-12-31');
        }
        if (isset($from) && isset($to) && !count($this->errors)) {
            $this->context->employee->stats_date_from = $from;
            $this->context->employee->stats_date_to = $to;
            $this->context->employee->update();
            if (!$this->isXmlHttpRequest()) {
                Tools::redirectAdmin($_SERVER['REQUEST_URI']);
            }
        }
    }
    
    public function ajaxProcessSetDashboardDateRange()
    {
        $this->processDateRange();
        
        if ($this->isXmlHttpRequest()) {
            if (is_array($this->errors) && count($this->errors)) {
                die(Tools::jsonEncode(array(
                    'has_errors' => true,
                    'errors' => array($this->errors),
                    'date_from' => $this->context->employee->stats_date_from,
                    'date_to' => $this->context->employee->stats_date_to)
                ));
            } else {
                die(Tools::jsonEncode(array(
                    'has_errors' => false,
                    'date_from' => $this->context->employee->stats_date_from,
                    'date_to' => $this->context->employee->stats_date_to)
                    ));
            }
        }
    }

    protected function getDate()
    {
        $year = isset($this->context->cookie->stats_year) ? $this->context->cookie->stats_year : date('Y');
        $month = isset($this->context->cookie->stats_month) ? sprintf('%02d', $this->context->cookie->stats_month) : '%';
        $day = isset($this->context->cookie->stats_day) ? sprintf('%02d', $this->context->cookie->stats_day) : '%';
        return $year.'-'.$month.'-'.$day;
    }
}
