<?php

/**
 *
 * @copyright Copyright (c) 2018, Daniel Calviño Sánchez (danxuliu@gmail.com)
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

use Behat\Behat\Context\Context;

class FilesAppSharingContext implements Context, ActorAwareInterface {
	use ActorAware;

	/**
	 * @return Locator
	 */
	public static function sharedByLabel() {
		return Locator::forThe()->css(".sharing-entry__reshare")->
				descendantOf(FilesAppContext::detailsView())->
				describedAs("Shared by label in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareWithInput() {
		return Locator::forThe()->css(".sharing-input .multiselect__input")->
				descendantOf(FilesAppContext::detailsView())->
				describedAs("Share with input in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareWithInputResults() {
		return Locator::forThe()->css(".sharing-input .multiselect__content-wrapper")->
				descendantOf(FilesAppContext::detailsView())->
				describedAs("Share with input results list in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareWithInputResult($result) {
		return Locator::forThe()->xpath("//li[contains(concat(' ', normalize-space(@class), ' '), ' multiselect__element ')]//span[normalize-space() = '$result']/ancestor::li")->
				descendantOf(self::shareWithInputResults())->
				describedAs("Share with input result from the results list in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareeList() {
		return Locator::forThe()->css(".sharing-sharee-list")->
				descendantOf(FilesAppContext::detailsView())->
				describedAs("Sharee list in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function sharedWithRow($sharedWithName) {
		// "username" class is used for any type of share, not only for shares
		// with users.
		return Locator::forThe()->xpath("//li[contains(concat(' ', normalize-space(@class), ' '), ' sharing-entry ')]//h5[normalize-space() = '$sharedWithName']/ancestor::li")->
				descendantOf(self::shareeList())->
				describedAs("Shared with $sharedWithName row in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareWithMenuButton($sharedWithName) {
		return Locator::forThe()->css(".sharing-entry__actions > .action-item__menutoggle")->
				descendantOf(self::sharedWithRow($sharedWithName))->
				describedAs("Share with $sharedWithName menu button in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareWithMenu($sharedWithName) {
		return Locator::forThe()->css(".sharing-entry__actions > .action-item__menu")->
				descendantOf(self::sharedWithRow($sharedWithName))->
				describedAs("Share with $sharedWithName menu in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function canReshareCheckbox($sharedWithName) {
		// forThe()->checkbox("Can reshare") can not be used here; that would
		// return the checkbox itself, but the element that the user interacts
		// with is the label.
		return Locator::forThe()->xpath("//label[normalize-space() = 'Allow resharing']")->
				descendantOf(self::shareWithMenu($sharedWithName))->
				describedAs("Allow resharing checkbox in the share with $sharedWithName menu in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function canReshareCheckboxInput($sharedWithName) {
		return Locator::forThe()->checkbox("Allow resharing")->
				descendantOf(self::shareWithMenu($sharedWithName))->
				describedAs("Allow resharing checkbox input in the share with $sharedWithName menu in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareLinkRow() {
		return Locator::forThe()->css(".sharing-link-list .sharing-entry__link:first-child")->
				descendantOf(FilesAppContext::detailsView())->
				describedAs("Share link row in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareLinkAddNewButton() {
		// When there is no link share the "Add new share" item is shown instead
		// of the menu button as a direct child of ".share-menu".
		return Locator::forThe()->css(".action-item.icon-add")->
				descendantOf(self::shareLinkRow())->
				describedAs("Add new share link button in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function copyLinkButton() {
		return Locator::forThe()->css("a.sharing-entry__copy")->
				descendantOf(self::shareLinkRow())->
				describedAs("Copy link button in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareLinkMenuButton() {
		return Locator::forThe()->css(".sharing-entry__actions .action-item__menutoggle")->
				descendantOf(self::shareLinkRow())->
				describedAs("Share link menu button in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function shareLinkMenu() {
		return Locator::forThe()->css(".sharing-entry__actions .action-item__menu")->
				descendantOf(self::shareLinkRow())->
				describedAs("Share link menu in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function hideDownloadCheckbox() {
		// forThe()->checkbox("Hide download") can not be used here; that would
		// return the checkbox itself, but the element that the user interacts
		// with is the label.
		return Locator::forThe()->xpath("//label[normalize-space() = 'Hide download']")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Hide download checkbox in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function hideDownloadCheckboxInput() {
		return Locator::forThe()->checkbox("Hide download")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Hide download checkbox input in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function allowUploadAndEditingRadioButton() {
		// forThe()->radio("Allow upload and editing") can not be used here;
		// that would return the radio button itself, but the element that the
		// user interacts with is the label.
		return Locator::forThe()->xpath("//label[normalize-space() = 'Allow upload and editing']")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Allow upload and editing radio button in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function passwordProtectCheckbox() {
		// forThe()->checkbox("Password protect") can not be used here; that
		// would return the checkbox itself, but the element that the user
		// interacts with is the label.
		return Locator::forThe()->xpath("//label[normalize-space() = 'Password protect']")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Password protect checkbox in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function passwordProtectCheckboxInput() {
		return Locator::forThe()->checkbox("Password protect")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Password protect checkbox input in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function passwordProtectField() {
		return Locator::forThe()->css(".share-link-password input.action-input__input")->descendantOf(self::shareLinkMenu())->
				describedAs("Password protect field in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function disabledPasswordProtectField() {
		return Locator::forThe()->css(".share-link-password input.action-input__input[disabled]")->descendantOf(self::shareLinkMenu())->
				describedAs("Disabled password protect field in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function passwordProtectByTalkCheckbox() {
		// forThe()->checkbox("Password protect by Talk") can not be used here;
		// that would return the checkbox itself, but the element that the user
		// interacts with is the label.
		return Locator::forThe()->xpath("//label[normalize-space() = 'Password protect by Talk']")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Password protect by Talk checkbox in the details view in Files app");
	}

	/**
	 * @return Locator
	 */
	public static function passwordProtectByTalkCheckboxInput() {
		return Locator::forThe()->checkbox("Password protect by Talk")->
				descendantOf(self::shareLinkMenu())->
				describedAs("Password protect by Talk checkbox input in the details view in Files app");
	}

	/**
	 * @Given I share the link for :fileName
	 */
	public function iShareTheLinkFor($fileName) {
		$this->actor->find(FileListContext::shareActionForFile(FilesAppContext::currentSectionMainView(), $fileName), 10)->click();

		$this->actor->find(self::shareLinkAddNewButton(), 5)->click();
	}

	/**
	 * @Given I share :fileName with :shareWithName
	 */
	public function iShareWith($fileName, $shareWithName) {
		$this->actor->find(FileListContext::shareActionForFile(FilesAppContext::currentSectionMainView(), $fileName), 10)->click();

		$this->actor->find(self::shareWithInput(), 5)->setValue($shareWithName);
		// "setValue()" ends sending a tab, which unfocuses the input and causes
		// the results to be hidden, so the input needs to be clicked to show
		// the results again.
		$this->actor->find(self::shareWithInput())->click();
		$this->actor->find(self::shareWithInputResult($shareWithName), 5)->click();
	}

	/**
	 * @Given I write down the shared link
	 */
	public function iWriteDownTheSharedLink() {
		$this->actor->find(self::copyLinkButton(), 10)->click();

		// Clicking on the menu item copies the link to the clipboard, but it is
		// not possible to access that value from the acceptance tests. Due to
		// this the value of the attribute that holds the URL is used instead.
		$this->actor->getSharedNotebook()["shared link"] = $this->actor->find(self::copyLinkButton(), 2)->getWrappedElement()->getAttribute("href");
	}

	/**
	 * @When I set the download of the shared link as hidden
	 */
	public function iSetTheDownloadOfTheSharedLinkAsHidden() {
		$this->showShareLinkMenuIfNeeded();

		$this->iSeeThatTheDownloadOfTheLinkShareIsShown();

		$this->actor->find(self::hideDownloadCheckbox(), 2)->click();
	}

	/**
	 * @When I set the download of the shared link as shown
	 */
	public function iSetTheDownloadOfTheSharedLinkAsShown() {
		$this->showShareLinkMenuIfNeeded();

		$this->iSeeThatTheDownloadOfTheLinkShareIsHidden();

		$this->actor->find(self::hideDownloadCheckbox(), 2)->click();
	}

	/**
	 * @When I set the shared link as editable
	 */
	public function iSetTheSharedLinkAsEditable() {
		$this->showShareLinkMenuIfNeeded();

		$this->actor->find(self::allowUploadAndEditingRadioButton(), 2)->click();
	}

	/**
	 * @When I protect the shared link with the password :password
	 */
	public function iProtectTheSharedLinkWithThePassword($password) {
		$this->showShareLinkMenuIfNeeded();

		$this->actor->find(self::passwordProtectCheckbox(), 2)->click();

		$this->actor->find(self::passwordProtectField(), 2)->setValue($password . "\r");
	}

	/**
	 * @When I set the password of the shared link as protected by Talk
	 */
	public function iSetThePasswordOfTheSharedLinkAsProtectedByTalk() {
		$this->showShareLinkMenuIfNeeded();

		$this->iSeeThatThePasswordOfTheLinkShareIsNotProtectedByTalk();

		$this->actor->find(self::passwordProtectByTalkCheckbox(), 2)->click();
	}

	/**
	 * @When I set the password of the shared link as not protected by Talk
	 */
	public function iSetThePasswordOfTheSharedLinkAsNotProtectedByTalk() {
		$this->showShareLinkMenuIfNeeded();

		$this->iSeeThatThePasswordOfTheLinkShareIsProtectedByTalk();

		$this->actor->find(self::passwordProtectByTalkCheckbox(), 2)->click();
	}

	/**
	 * @When I set the share with :shareWithName as not reshareable
	 */
	public function iSetTheShareWithAsNotReshareable($shareWithName) {
		$this->showShareWithMenuIfNeeded($shareWithName);

		$this->iSeeThatCanReshareTheShare($shareWithName);

		$this->actor->find(self::canReshareCheckbox($shareWithName), 2)->click();
	}

	/**
	 * @Then I see that the file is shared with me by :sharedByName
	 */
	public function iSeeThatTheFileIsSharedWithMeBy($sharedByName) {
		PHPUnit_Framework_Assert::assertEquals(
				$this->actor->find(self::sharedByLabel(), 10)->getText(), "Shared with you by $sharedByName");
	}

	/**
	 * @Then I see that the file is shared with :sharedWithName
	 */
	public function iSeeThatTheFileIsSharedWith($sharedWithName) {
		PHPUnit_Framework_Assert::assertTrue(
				$this->actor->find(self::sharedWithRow($sharedWithName), 10)->isVisible());
	}

	/**
	 * @Then I see that resharing the file is not allowed
	 */
	public function iSeeThatResharingTheFileIsNotAllowed() {
		PHPUnit_Framework_Assert::assertEquals(
				$this->actor->find(self::shareWithInput(), 10)->getWrappedElement()->getAttribute("disabled"), "disabled");
		PHPUnit_Framework_Assert::assertEquals(
				$this->actor->find(self::shareWithInput(), 10)->getWrappedElement()->getAttribute("placeholder"), "Resharing is not allowed");
	}

	/**
	 * @Then I see that :sharedWithName can reshare the share
	 */
	public function iSeeThatCanReshareTheShare($sharedWithName) {
		$this->showShareWithMenuIfNeeded($sharedWithName);

		PHPUnit_Framework_Assert::assertTrue(
				$this->actor->find(self::canReshareCheckboxInput($sharedWithName), 10)->isChecked());
	}

	/**
	 * @Then I see that :sharedWithName can not reshare the share
	 */
	public function iSeeThatCanNotReshareTheShare($sharedWithName) {
		$this->showShareWithMenuIfNeeded($sharedWithName);

		PHPUnit_Framework_Assert::assertFalse(
				$this->actor->find(self::canReshareCheckboxInput($sharedWithName), 10)->isChecked());
	}

	/**
	 * @Then I see that the download of the link share is hidden
	 */
	public function iSeeThatTheDownloadOfTheLinkShareIsHidden() {
		$this->showShareLinkMenuIfNeeded();

		PHPUnit_Framework_Assert::assertTrue($this->actor->find(self::hideDownloadCheckboxInput(), 10)->isChecked());
	}

	/**
	 * @Then I see that the download of the link share is shown
	 */
	public function iSeeThatTheDownloadOfTheLinkShareIsShown() {
		$this->showShareLinkMenuIfNeeded();

		PHPUnit_Framework_Assert::assertFalse($this->actor->find(self::hideDownloadCheckboxInput(), 10)->isChecked());
	}

	/**
	 * @Then I see that the password protect is disabled while loading
	 */
	public function iSeeThatThePasswordProtectIsDisabledWhileLoading() {
		PHPUnit_Framework_Assert::assertNotNull($this->actor->find(self::disabledPasswordProtectField(), 10));

		if (!WaitFor::elementToBeEventuallyNotShown(
				$this->actor,
				self::disabledPasswordProtectField(),
				$timeout = 10 * $this->actor->getFindTimeoutMultiplier())) {
			PHPUnit_Framework_Assert::fail("The password protect field is still disabled after $timeout seconds");
		}
	}

	/**
	 * @Then I see that the link share is password protected
	 */
	public function iSeeThatTheLinkShareIsPasswordProtected() {
		$this->showShareLinkMenuIfNeeded();

		PHPUnit_Framework_Assert::assertTrue($this->actor->find(self::passwordProtectCheckboxInput(), 10)->isChecked(), "Password protect checkbox is checked");
		PHPUnit_Framework_Assert::assertTrue($this->actor->find(self::passwordProtectField(), 10)->isVisible(), "Password protect field is visible");
	}

	/**
	 * @Then I see that the password of the link share is protected by Talk
	 */
	public function iSeeThatThePasswordOfTheLinkShareIsProtectedByTalk() {
		$this->showShareLinkMenuIfNeeded();

		PHPUnit_Framework_Assert::assertTrue($this->actor->find(self::passwordProtectByTalkCheckboxInput(), 10)->isChecked());
	}

	/**
	 * @Then I see that the password of the link share is not protected by Talk
	 */
	public function iSeeThatThePasswordOfTheLinkShareIsNotProtectedByTalk() {
		$this->showShareLinkMenuIfNeeded();

		PHPUnit_Framework_Assert::assertFalse($this->actor->find(self::passwordProtectByTalkCheckboxInput(), 10)->isChecked());
	}

	/**
	 * @Then I see that the checkbox to protect the password of the link share by Talk is not shown
	 */
	public function iSeeThatTheCheckboxToProtectThePasswordOfTheLinkShareByTalkIsNotShown() {
		$this->showShareLinkMenuIfNeeded();

		try {
			PHPUnit_Framework_Assert::assertFalse(
					$this->actor->find(self::passwordProtectByTalkCheckbox())->isVisible());
		} catch (NoSuchElementException $exception) {
		}
	}

	/**
	 * @Given I share the link for :fileName protected by the password :password
	 */
	public function iShareTheLinkForProtectedByThePassword($fileName, $password) {
		$this->iShareTheLinkFor($fileName);
		$this->iProtectTheSharedLinkWithThePassword($password);
		$this->iSeeThatThePasswordProtectIsDisabledWhileLoading();
	}

	private function showShareLinkMenuIfNeeded() {
		// In some cases the share menu is hidden after clicking on an action of
		// the menu. Therefore, if the menu is visible, wait a little just in
		// case it is in the process of being hidden due to a previous action,
		// in which case it is shown again.
		if (WaitFor::elementToBeEventuallyNotShown(
				$this->actor,
				self::shareLinkMenu(),
				$timeout = 2 * $this->actor->getFindTimeoutMultiplier())) {
			$this->actor->find(self::shareLinkMenuButton(), 10)->click();
		}
	}

	private function showShareWithMenuIfNeeded($shareWithName) {
		// In some cases the share menu is hidden after clicking on an action of
		// the menu. Therefore, if the menu is visible, wait a little just in
		// case it is in the process of being hidden due to a previous action,
		// in which case it is shown again.
		if (WaitFor::elementToBeEventuallyNotShown(
				$this->actor,
				self::shareWithMenu($shareWithName),
				$timeout = 2 * $this->actor->getFindTimeoutMultiplier())) {
			$this->actor->find(self::shareWithMenuButton($shareWithName), 10)->click();
		}
	}
}