<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Steps definitions related with blocks.
 *
 * @package   core_block
 * @category  test
 * @copyright 2012 David Monllaó
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.

use Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException;
use Behat\Gherkin\Node\TableNode as TableNode;

require_once(__DIR__ . '/../../../lib/behat/behat_base.php');

/**
 * Blocks management steps definitions.
 *
 * @package    core_block
 * @category   test
 * @copyright  2012 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class behat_blocks extends behat_base {

    /**
     * Adds the selected block. Editing mode must be previously enabled.
     *
     * @Given /^I add the "(?P<block_name_string>(?:[^"]|\\")*)" block$/
     * @param string $blockname
     */
    public function i_add_the_block($blockname) {
        $addblock = get_string('addblock');
        $this->execute('behat_general::i_click_on_in_the', [$addblock, 'link_exact', '.add_block_button', 'css_element']);

        if (!$this->running_javascript()) {
            $this->execute('behat_general::i_click_on_in_the', [$blockname, 'link_exact', '#region-main', 'css_element']);
        } else {
            $this->execute('behat_general::i_click_on_in_the', [$blockname, 'link_exact', $addblock, 'dialogue']);
        }
    }

    /**
     * Adds the selected block to the specified region
     *
     * Editing mode must be previously enabled.
     *
     * @Given /^I add the "(?P<block_name_string>(?:[^"]|\\")*)" block to the "(?P<region_string>(?:[^"]|\\")*)" region$/
     * @param string $blockname
     * @param string $region
     */
    public function i_add_the_block_to_the_region(string $blockname, string $region) {
        if (!$this->running_javascript()) {
            throw new coding_exception('Adding block to specific region is not possible with Javascript disabled');
        }
        if ($region === "default") {
            $region = "";
        }
        $csselement = 'a[data-key="addblock"][data-blockregion='.behat_context_helper::escape($region).']';
        $addblock = get_string('addblock');
        $this->execute('behat_general::i_click_on', [$csselement, 'css_element']);
        $this->execute('behat_general::i_click_on_in_the', [$blockname, 'link_exact', $addblock, 'dialogue']);
    }

    /**
     * Adds the selected block to the specified region and fills configuration form.
     *
     * Editing mode must be previously enabled.
     *
     * @Given /^I add the "(?P<block_name_string>(?:[^"]|\\")*)" block to the (?P<region_string>(?:[^"]|\\")*) region with:$/
     * @param string $blockname
     * @param string $region
     * @param TableNode $data
     */
    public function i_add_the_block_to_the_region_with(string $blockname, string $region, TableNode $data) {
        $blocklabel = get_string('textellipsis', 'moodle', $blockname);
        $this->execute('behat_blocks::i_add_the_block_to_the_region', [$blocklabel, $region]);
        $this->wait_for_pending_js();
        $dialogname = get_string('addblock', 'core_block', $blockname);
        $this->execute('behat_forms::i_set_the_following_fields_in_container_to_these_values',
            [$dialogname, "dialogue", $data]);
        $this->execute('behat_general::i_click_on_in_the', ["Save changes", 'button', $dialogname, 'dialogue']);
    }

    /**
     * Adds the selected block if it is not already present. Editing mode must be previously enabled.
     *
     * @Given /^I add the "(?P<block_name_string>(?:[^"]|\\")*)" block if not present$/
     * @param string $blockname
     */
    public function i_add_the_block_if_not_present($blockname) {
        try {
            $this->get_text_selector_node('block', $blockname);
        } catch (ElementNotFoundException $e) {
            $this->execute('behat_blocks::i_add_the_block', [$blockname]);
        }
    }

    /**
     * Opens a block's actions menu if it is not already opened.
     *
     * @Given /^I open the "(?P<block_name_string>(?:[^"]|\\")*)" blocks action menu$/
     * @throws DriverException The step is not available when Javascript is disabled
     * @param string $blockname
     */
    public function i_open_the_blocks_action_menu($blockname) {

        if (!$this->running_javascript()) {
            // Action menu does not need to be open if Javascript is off.
            return;
        }

        // If it is already opened we do nothing.
        $blocknode = $this->get_text_selector_node('block', $blockname);
        if ($blocknode->hasClass('action-menu-shown')) {
            return;
        }

        $this->execute('behat_general::i_click_on_in_the',
                array("a[data-toggle='dropdown']", "css_element", $this->escape($blockname), "block")
        );
    }

    /**
     * Clicks on Configure block for specified block. Page must be in editing mode.
     *
     * Argument block_name may be either the name of the block or CSS class of the block.
     *
     * @Given /^I configure the "(?P<block_name_string>(?:[^"]|\\")*)" block$/
     * @param string $blockname
     */
    public function i_configure_the_block($blockname) {
        // Note that since $blockname may be either block name or CSS class, we can not use the exact label of "Configure" link.

        $this->execute("behat_blocks::i_open_the_blocks_action_menu", $this->escape($blockname));

        $this->execute('behat_general::i_click_on_in_the',
            array("Configure", "link", $this->escape($blockname), "block")
        );
    }

    /**
     * Ensures that block can be added to the page but does not actually add it.
     *
     * @Then /^the add block selector should contain "(?P<block_name_string>(?:[^"]|\\")*)" block$/
     * @param string $blockname
     */
    public function the_add_block_selector_should_contain_block($blockname) {
        $addblock = get_string('addblock');
        $this->execute('behat_general::i_click_on', [$addblock, 'link_exact']);


        $cancelstr = get_string('cancel');
        if (!$this->running_javascript()) {
            $this->execute('behat_general::should_exist_in_the', [$blockname, 'link_exact', '#region-main', 'css_element']);
            $this->execute('behat_general::i_click_on_in_the', [$cancelstr, 'link_exact', '#region-main', 'css_element']);
        } else {
            $this->execute('behat_general::should_exist_in_the', [$blockname, 'link_exact', $addblock, 'dialogue']);
            $this->execute('behat_general::i_click_on_in_the', [$cancelstr, 'button', $addblock, 'dialogue']);
        }
    }

    /**
     * Ensures that block can not be added to the page.
     *
     * @Then /^the add block selector should not contain "(?P<block_name_string>(?:[^"]|\\")*)" block$/
     * @param string $blockname
     */
    public function the_add_block_selector_should_not_contain_block($blockname) {
        $addblock = get_string('addblock');
        $this->execute('behat_general::i_click_on', [$addblock, 'link_exact']);


        $cancelstr = get_string('cancel');
        if (!$this->running_javascript()) {
            $this->execute('behat_general::should_not_exist_in_the', [$blockname, 'link_exact', '#region-main', 'css_element']);
            $this->execute('behat_general::i_click_on_in_the', [$cancelstr, 'link_exact', '#region-main', 'css_element']);
        } else {
            $this->execute('behat_general::should_not_exist_in_the', [$blockname, 'link_exact', $addblock, 'dialogue']);
            $this->execute('behat_general::i_click_on_in_the', [$cancelstr, 'button', $addblock, 'dialogue']);
        }
    }
}
