/**

 * @output wp-admin/js/user-profile.js

 */

(function($) {

	var updateLock = false,

		isSubmitting = false,

		__ = wp.i18n.__,

		$pass1Row,

		$pass1,

		$pass2,

		$weakRow,

		$weakCheckbox,

		$toggleButton,

		$submitButtons,

		$submitButton,

		currentPass,

		$form,

		originalFormContent,

	function generatePassword() {

		if ( typeof zxcvbn !== 'function' ) {

			setTimeout( generatePassword, 50 );

			return;

		} else if ( ! $pass1.val() || $passwordWrapper.hasClass( 'is-open' ) ) {

			// zxcvbn loaded before user entered password, or generating new password.

			$pass1.val( $pass1.data( 'pw' ) );

			$pass1.trigger( 'pwupdate' );

			showOrHideWeakPasswordCheckbox();

		} else {

			// zxcvbn loaded after the user entered password, check strength.

			check_pass_strength();

			showOrHideWeakPasswordCheckbox();

		}

		/*

		 * This works around a race condition when zxcvbn loads quickly and

		 * causes `generatePassword()` to run prior to the toggle button being

		 * bound.

		 */

		bindToggleButton();

		// Install screen.

		if ( 1 !== parseInt( $toggleButton.data( 'start-masked' ), 10 ) ) {

			// Show the password not masked if admin_password hasn't been posted yet.

			$pass1.attr( 'type', 'text' );

		} else {

			// Otherwise, mask the password.

			$toggleButton.trigger( 'click' );

		}

		// Once zxcvbn loads, passwords strength is known.

		$( '#pw-weak-text-label' ).text( __( 'Confirm use of weak password' ) );

		// Focus the password field.

		if ( 'mailserver_pass' !== $pass1.prop('id' ) ) {

			$( $pass1 ).trigger( 'focus' );

		}

	}

	function bindPass1() {

		currentPass = $pass1.val();

		if ( 1 === parseInt( $pass1.data( 'reveal' ), 10 ) ) {

			generatePassword();

		}

		$pass1.on( 'input' + ' pwupdate', function () {

			if ( $pass1.val() === currentPass ) {

				return;

			}

			currentPass = $pass1.val();

			// Refresh password strength area.

			$pass1.removeClass( 'short bad good strong' );

			showOrHideWeakPasswordCheckbox();

		} );

	}

	function resetToggle( show ) {

		$toggleButton

			.attr({

				'aria-label': show ? __( 'Show password' ) : __( 'Hide password' )

			})

			.find( '.text' )

				.text( show ? __( 'Show' ) : __( 'Hide' ) )

			.end()

			.find( '.dashicons' )

				.removeClass( show ? 'dashicons-hidden' : 'dashicons-visibility' )

				.addClass( show ? 'dashicons-visibility' : 'dashicons-hidden' );

	}

	function bindToggleButton() {

		if ( !! $toggleButton ) {

			// Do not rebind.

			return;

		}

		$toggleButton = $pass1Row.find('.wp-hide-pw');

		$toggleButton.show().on( 'click', function () {

			if ( 'password' === $pass1.attr( 'type' ) ) {

				$pass1.attr( 'type', 'text' );

				resetToggle( false );

			} else {

				$pass1.attr( 'type', 'password' );

				resetToggle( true );

			}

		});

	}

	/**

	 * Handle the password reset button. Sets up an ajax callback to trigger sending

	 * a password reset email.

	 */

	function bindPasswordResetLink() {

		$( '#generate-reset-link' ).on( 'click', function() {

			var $this  = $(this),

				data = {

					'user_id': userProfileL10n.user_id, // The user to send a reset to.

					'nonce':   userProfileL10n.nonce    // Nonce to validate the action.

				};

				// Remove any previous error messages.

				$this.parent().find( '.notice-error' ).remove();

				// Send the reset request.

				var resetAction =  wp.ajax.post( 'send-password-reset', data );

				// Handle reset success.

				resetAction.done( function( response ) {

					addInlineNotice( $this, true, response );

				} );

				// Handle reset failure.

				resetAction.fail( function( response ) {

					addInlineNotice( $this, false, response );

				} );

		});

	}

	/**

	 * Helper function to insert an inline notice of success or failure.

	 *

	 * @param {jQuery Object} $this   The button element: the message will be inserted

	 *                                above this button

	 * @param {bool}          success Whether the message is a success message.

	 * @param {string}        message The message to insert.

	 */

	function addInlineNotice( $this, success, message ) {

		var resultDiv = $( '<div />', {

			role: 'alert'

		} );

		// Set up the notice div.

		resultDiv.addClass( 'notice inline' );

		// Add a class indicating success or failure.

		resultDiv.addClass( 'notice-' + ( success ? 'success' : 'error' ) );

		// Add the message, wrapping in a p tag, with a fadein to highlight each message.

		resultDiv.text( $( $.parseHTML( message ) ).text() ).wrapInner( '<p />');

		// Disable the button when the callback has succeeded.

		$this.prop( 'disabled', success );

		// Remove any previous notices.

		$this.siblings( '.notice' ).remove();

		// Insert the notice.

		$this.before( resultDiv );

	}

	function bindPasswordForm() {

		var $generateButton,

			$cancelButton;

		$pass1Row = $( '.user-pass1-wrap, .user-pass-wrap, .mailserver-pass-wrap, .reset-pass-submit' );

		// Hide the confirm password field when JavaScript support is enabled.

		$('.user-pass2-wrap').hide();

		$submitButton = $( '#submit, #wp-submit' ).on( 'click', function () {

			updateLock = false;

		});

		$submitButtons = $submitButton.add( ' #createusersub' );

		$weakRow = $( '.pw-weak' );

		$weakCheckbox = $weakRow.find( '.pw-checkbox' );

		$weakCheckbox.on( 'change', function() {

			$submitButtons.prop( 'disabled', ! $weakCheckbox.prop( 'checked' ) );

		} );

		$pass1 = $('#pass1, #mailserver_pass');

		if ( $pass1.length ) {

			bindPass1();

		} else {

			// Password field for the login form.

			$pass1 = $( '#user_pass' );

		}

		/*

		 * Fix a LastPass mismatch issue, LastPass only changes pass2.

		 *

		 * This fixes the issue by copying any changes from the hidden

		 * pass2 field to the pass1 field, then running check_pass_strength.

		 */

		$pass2 = $( '#pass2' ).on( 'input', function () {

			if ( $pass2.val().length > 0 ) {

				$pass1.val( $pass2.val() );

				$pass2.val('');

				currentPass = '';

				$pass1.trigger( 'pwupdate' );

			}

		} );

		// Disable hidden inputs to prevent autofill and submission.

		if ( $pass1.is( ':hidden' ) ) {

			$pass1.prop( 'disabled', true );

			$pass2.prop( 'disabled', true );

		}

		$passwordWrapper = $pass1Row.find( '.wp-pwd' );

		$generateButton  = $pass1Row.find( 'button.wp-generate-pw' );

		bindToggleButton();

		$generateButton.show();

		$generateButton.on( 'click', function () {

			updateLock = true;

			// Make sure the password fields are shown.

			$generateButton.not( '.skip-aria-expanded' ).attr( 'aria-expanded', 'true' );

			$passwordWrapper

				.show()

				.addClass( 'is-open' );

			// Enable the inputs when showing.

			$pass1.attr( 'disabled', false );

			$pass2.attr( 'disabled', false );

			// Set the password to the generated value.

			generatePassword();

			// Show generated password in plaintext by default.

			resetToggle ( false );

			// Generate the next password and cache.

			wp.ajax.post( 'generate-password' )

				.done( function( data ) {

					$pass1.data( 'pw', data );

				} );

		} );

		$cancelButton = $pass1Row.find( 'button.wp-cancel-pw' );

		$cancelButton.on( 'click', function () {

			updateLock = false;

			// Disable the inputs when hiding to prevent autofill and submission.

			$pass1.prop( 'disabled', true );

			$pass2.prop( 'disabled', true );

			// Clear password field and update the UI.

			$pass1.val( '' ).trigger( 'pwupdate' );

			resetToggle( false );

			// Hide password controls.

			$passwordWrapper

				.hide()

				.removeClass( 'is-open' );

			// Stop an empty password from being submitted as a change.

			$submitButtons.prop( 'disabled', false );

			$generateButton.attr( 'aria-expanded', 'false' );

		} );

		$pass1Row.closest( 'form' ).on( 'submit', function () {

			updateLock = false;

			$pass1.prop( 'disabled', false );

			$pass2.prop( 'disabled', false );

			$pass2.val( $pass1.val() );

		});

	}

	function check_pass_strength() {

		var pass1 = $('#pass1').val(), strength;

		$('#pass-strength-result').removeClass('short bad good strong empty');

		if ( ! pass1 || '' ===  pass1.trim() ) {

			$( '#pass-strength-result' ).addClass( 'empty' ).html( ' ' );

			return;

		}

		strength = wp.passwordStrength.meter( pass1, wp.passwordStrength.userInputDisallowedList(), pass1 );

		switch ( strength ) {

			case -1:

				$( '#pass-strength-result' ).addClass( 'bad' ).html( pwsL10n.unknown );

				break;

			case 2:

				$('#pass-strength-result').addClass('bad').html( pwsL10n.bad );

				break;

			case 3:

				$('#pass-strength-result').addClass('good').html( pwsL10n.good );

				break;

			case 4:

				$('#pass-strength-result').addClass('strong').html( pwsL10n.strong );

				break;

			case 5:

				$('#pass-strength-result').addClass('short').html( pwsL10n.mismatch );

				break;

			default:

				$('#pass-strength-result').addClass('short').html( pwsL10n.short );

		}

	}

	function showOrHideWeakPasswordCheckbox() {

		var passStrengthResult = $('#pass-strength-result');

		if ( passStrengthResult.length ) {

			var passStrength = passStrengthResult[0];

			if ( passStrength.className ) {

				$pass1.addClass( passStrength.className );

				if ( $( passStrength ).is( '.short, .bad' ) ) {

					if ( ! $weakCheckbox.prop( 'checked' ) ) {

						$submitButtons.prop( 'disabled', true );

					}

					$weakRow.show();

				} else {

					if ( $( passStrength ).is( '.empty' ) ) {

						$submitButtons.prop( 'disabled', true );

						$weakCheckbox.prop( 'checked', false );

					} else {

						$submitButtons.prop( 'disabled', false );

					}

					$weakRow.hide();

				}

			}

		}

	}