<?php
	/**
	* @package   Freemius
	* @copyright Copyright (c) 2015, Freemius, Inc.
	* @license   https://www.gnu.org/licenses/gpl-3.0.html GNU General Public License Version 3
	* @since     2.3.2
	*/

	if ( ! defined( 'ABSPATH' ) ) {
		exit;
	}

	/**
	 * @var array    $VARS
	 *
	 * @var Freemius $fs
	 */
	$fs   = freemius( $VARS['id'] );
	$slug = $fs->get_slug();

	/**
	 * @var object[] $license_owners
	 */
	$license_owners = $VARS['license_owners'];

	$change_user_message                  = fs_text_inline( 'By changing the user, you agree to transfer the account ownership to:', 'change-user--message', $slug );
	$header_title                         = fs_text_inline( 'Change User', 'change-user', $slug );
	$user_change_button_text              = fs_text_inline( 'I Agree - Change User', 'agree-change-user', $slug );
	$other_text                           = fs_text_inline( 'Other', 'other', $slug );
	$enter_email_address_placeholder_text = fs_text_inline( 'Enter email address', 'enter-email-address', $slug );

	$user_change_options_html = <<< HTML
	<div class="fs-user-change-options-container">
		<table>
			<tbody>
HTML;

		foreach ( $license_owners as $license_owner ) {
			$user_change_options_html .= <<< HTML
				<tr class="fs-email-address-container">
					<td><input id="fs_email_address_{$license_owner->id}" type="radio" name="fs_email_address" value="{$license_owner->id}"></td>
					<td><label for="fs_email_address_{$license_owner->id}">{$license_owner->email}</label></td>
				</tr>
HTML;
		}

		$user_change_options_html .= <<< HTML
				<tr>
					<td><input id="fs_other_email_address_radio" type="radio" name="fs_email_address" value="other"></td>
					<td class="fs-other-email-address-container">
						<div>
							<label for="fs_email_address">{$other_text}: </label>
							<div>
								<input id="fs_other_email_address_text_field" class="fs-email-address" type="text" placeholder="{$enter_email_address_placeholder_text}" tabindex="1">
							</div>
						</div>
					</td>
				</tr>
			</tbody>
		</table>
	</div>
HTML;

	$modal_content_html = <<< HTML
	<div class="notice notice-error inline fs-change-user-result-message"><p></p></div>
	<p>{$change_user_message}</p>
	{$user_change_options_html}
HTML;

	fs_enqueue_local_style( 'fs_dialog_boxes', '/admin/dialog-boxes.css' );
?>
<script type="text/javascript">
(function( $ ) {
	$( document ).ready(function() {
		var modalContentHtml            = <?php echo json_encode( $modal_content_html ) ?>,
			modalHtml                   =
				'<div class="fs-modal fs-modal-change-user fs-modal-change-user-<?php echo $fs->get_unique_affix() ?>">'
				+ '	<div class="fs-modal-dialog">'
				+ '		<div class="fs-modal-header">'
				+ '		    <h4><?php echo esc_js( $header_title ) ?></h4>'
				+ '         <a href="!#" class="fs-close"><i class="dashicons dashicons-no" title="<?php echo esc_js( fs_text_x_inline( 'Dismiss', 'close window', 'dismiss', $slug ) ) ?>"></i></a>'
				+ '		</div>'
				+ '		<div class="fs-modal-body">'
				+ '			<div class="fs-modal-panel active">' + modalContentHtml + '</div>'
				+ '		</div>'
				+ '		<div class="fs-modal-footer">'
				+ '			<button class="button button-secondary button-close" tabindex="4"><?php fs_esc_js_echo_inline( 'Cancel', 'cancel', $slug ) ?></button>'
				+ '			<button class="button button-primary fs-user-change-button" tabindex="3"><?php echo esc_js( $user_change_button_text ) ?></button>'
				+ '		</div>'
				+ '	</div>'
				+ '</div>',
			$modal                      = $( modalHtml ),
			$userChangeButton           = $modal.find( '.fs-user-change-button' ),
			$otherEmailAddressRadio     = $modal.find( '#fs_other_email_address_radio' ),
			$changeUserResultMessage    = $modal.find( '.fs-change-user-result-message' ),
			$otherEmailAddressContainer = $modal.find( '.fs-other-email-address-container' ),
			$otherEmailAddressTextField = $modal.find( '#fs_other_email_address_text_field' ),
			$licenseOwners              = $modal.find( 'input[type="radio"][name="fs_email_address"]' );

		$modal.appendTo( $( 'body' ) );

		var previousEmailAddress = null;

		function registerEventHandlers() {
			$licenseOwners.change( function() {
				var otherEmailAddress           = $otherEmailAddressTextField.val().trim(),
					otherEmailAddressIsSelected = isOtherEmailAddressSelected();

				if ( otherEmailAddressIsSelected ) {
					$otherEmailAddressTextField.focus();
				}

				if ( otherEmailAddress.length > 0 || ! otherEmailAddressIsSelected ) {
					enableUserChangeButton();
				} else {
					disableUserChangeButton();
				}
			} );

			$otherEmailAddressContainer.click( function () {
				$otherEmailAddressRadio.click();
			} );

			// Handle for the "Change User" button on the "Account" page.
			$( '#fs_change_user' ).click( function ( evt ) {
				evt.preventDefault();

				showModal( evt );
			} );

			/**
			 * Disables the "Change User" button when the email address is empty.
			 */
			$modal.on( 'keyup paste delete cut', 'input#fs_other_email_address_text_field', function () {
				setTimeout( function () {
					var emailAddress = $otherEmailAddressRadio.val().trim();

					if ( emailAddress === previousEmailAddress ) {
						return;
					}

					if ( '' === emailAddress ) {
						disableUserChangeButton();
					} else {
						enableUserChangeButton();
					}

					previousEmailAddress = emailAddress;
				}, 100 );
			} ).focus();

			$modal.on( 'input propertychange', 'input#fs_other_email_address_text_field', function () {
				var emailAddress = $( this ).val().trim();

				/**
				 * If email address is not empty, enable the "Change User" button.
				 */
				if ( emailAddress.length > 0 ) {
					enableUserChangeButton();
				}
			} );

			$modal.on( 'blur', 'input#fs_other_email_address_text_field', function( evt ) {
				var emailAddress = $( this ).val().trim();

				/**
				 * If email address is empty, disable the "Change User" button.
				 */
				if ( 0 === emailAddress.length ) {
				   disableUserChangeButton();
				}
			} );

			$modal.on( 'click', '.fs-user-change-button', function ( evt ) {
				evt.preventDefault();

				if ( $( this ).hasClass( 'disabled' ) ) {
					return;
				}

				var emailAddress   = '',
					licenseOwnerID = null;

				if ( ! isOtherEmailAddressSelected() ) {
					licenseOwnerID = $licenseOwners.filter( ':checked' ).val();
				} else {
					emailAddress = $otherEmailAddressTextField.val().trim();

					if ( 0 === emailAddress.length ) {
						return;
					}
				}

				disableUserChangeButton();

				$.ajax( {
					url       : <?php echo Freemius::ajax_url() ?>,
					method    : 'POST',
					data      : {
						action       : '<?php echo $fs->get_ajax_action( 'change_user' ) ?>',
						security     : '<?php echo $fs->get_ajax_security( 'change_user' ) ?>',
						email_address: emailAddress,
						user_id      : licenseOwnerID,
						module_id    : '<?php echo $fs->get_id() ?>'
					},
					beforeSend: function () {
						$userChangeButton
							.text( '<?php fs_esc_js_echo_inline( 'Changing user, please wait', 'changing-user-please-wait', $slug ) ?>...' )
							.prepend('<i class="fs-ajax-spinner"></i>');

						$(document.body).css({'cursor': 'wait'});
					},
					success   : function( result ) {
						if ( result.success ) {
							// Redirect to the "Account" page.
							window.location.reload();
						} else {
							$(document.body).css({'cursor': 'auto'});

							showError( result.error.message ? result.error.message : result.error );
							resetUserChangeButton();
						}
					},
					error     : function () {
						$(document.body).css({'cursor': 'auto'});

						showError( '<?php fs_esc_js_echo_inline( 'Unexpected error, try again in 5 minutes. If the error persists, please contact support.', 'unexpected-error', $slug ) ?>' );

						resetUserChangeButton();
					}
				} );
			} );

			// If the user has clicked outside the window, close the modal.
			$modal.on( 'click', '.fs-close, .button-secondary', function () {
				closeModal();
				return false;
			} );
		}

		registerEventHandlers();

		/**
		 * @returns {Boolean}
		 */
		function isOtherEmailAddressSelected() {
			return ( 'other' === $licenseOwners.filter( ':checked' ).val() );
		}

		function showModal() {
			resetModal();

			// Display the dialog box.
			$modal.addClass( 'active' );
			$( 'body' ).addClass( 'has-fs-modal' );

			// Select the first radio button.
			$licenseOwners.get( 0 ).click();

			$otherEmailAddressTextField.val( '' );
		}

		function closeModal() {
			$modal.removeClass( 'active' );
			$( 'body' ).removeClass( 'has-fs-modal' );
		}

		function resetUserChangeButton() {
			enableUserChangeButton();
			$userChangeButton.text( <?php echo json_encode( $user_change_button_text ) ?> );
		}

		function resetModal() {
			hideError();
			resetUserChangeButton();
		}

		function enableUserChangeButton() {
			$userChangeButton.removeClass( 'disabled' );
		}

		function disableUserChangeButton() {
			$userChangeButton.addClass( 'disabled' );
		}

		function hideError() {
			$changeUserResultMessage.hide();
		}

		function showError( msg ) {
			$changeUserResultMessage.find( ' > p' ).html( msg );
			$changeUserResultMessage.show();
		}
	});
})( jQuery );
</script>
