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

/* global ajaxurl, pwsL10n, userProfileL10n, ClipboardJS */
(function($) {
var updateLock = false,
isSubmitting = false,
__ = wp.i18n.__,
clipboard = new ClipboardJS( '.application-password-display .copy-button' ),
$pass1Row,
$pass1,
$pass2,
$weakRow,
$weakCheckbox,
$toggleButton,
$submitButtons,
$submitButton,
currentPass,
$form,
originalFormContent,
$passwordWrapper,
successTimeout;

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( '&nbsp;' );
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();
}
}
}
}

// Debug information copy section.
clipboard.on( 'success', function( e ) {
var triggerElement = $( e.trigger ),
successElement = $( '.success', triggerElement.closest( '.application-password-display' ) );

// Clear the selection and move focus back to the trigger.
e.clearSelection();

// Show success visual feedback.
clearTimeout( successTimeout );
successElement.removeClass( 'hidden' );

// Hide success visual feedback after 3 seconds since last success.
successTimeout = setTimeout( function() {
successElement.addClass( 'hidden' );
}, 3000 );

// Handle success audible feedback.
wp.a11y.speak( __( 'Application password has been copied to your clipboard.' ) );
} );

$( function() {
var $colorpicker, $stylesheet, user_id, current_user_id,
select = $( '#display_name' ),
current_name = select.val(),
greeting = $( '#wp-admin-bar-my-account' ).find( '.display-name' );

$( '#pass1' ).val( '' ).on( 'input' + ' pwupdate', check_pass_strength );
$('#pass-strength-result').show();
$('.color-palette').on( 'click', function() {
$(this).siblings('input[name="admin_color"]').prop('checked', true);
});

if ( select.length ) {
$('#first_name, #last_name, #nickname').on( 'blur.user_profile', function() {
var dub = [],
inputs = {
display_nickname : $('#nickname').val() || '',
display_username : $('#user_login').val() || '',
display_firstname : $('#first_name').val() || '',
display_lastname : $('#last_name').val() || ''
};

if ( inputs.display_firstname && inputs.display_lastname ) {
inputs.display_firstlast = inputs.display_firstname + ' ' + inputs.display_lastname;
inputs.display_lastfirst = inputs.display_lastname + ' ' + inputs.display_firstname;
}

$.each( $('option', select), function( i, el ){
dub.push( el.value );
});

$.each(inputs, function( id, value ) {
if ( ! value ) {
return;
}

var val = value.replace(/<\/?[a-z][^>]*>/gi, '');

if ( inputs[id].length && $.inArray( val, dub ) === -1 ) {
dub.push(val);
$('<option />', {
'text': val
}).appendTo( select );
}
});
});

/**
* Replaces "Howdy, *" in the admin toolbar whenever the display name dropdown is updated for one's own profile.
*/
select.on( 'change', function() {
if ( user_id !== current_user_id ) {
return;
}

var display_name = this.value.trim() || current_name;

greeting.text( display_name );
} );
}

$colorpicker = $( '#color-picker' );
$stylesheet = $( '#colors-css' );
user_id = $( 'input#user_id' ).val();
current_user_id = $( 'input[name="checkuser_id"]' ).val();

$colorpicker.on( 'click.colorpicker', '.color-option', function() {
var colors,
$this = $(this);

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

$this.siblings( '.selected' ).removeClass( 'selected' );
$this.addClass( 'selected' ).find( 'input[type="radio"]' ).prop( 'checked', true );

// Set color scheme.
if ( user_id === current_user_id ) {
// Load the colors stylesheet.
// The default color scheme won't have one, so we'll need to create an element.
if ( 0 === $stylesheet.length ) {
$stylesheet = $( '<link rel="stylesheet" />' ).appendTo( 'head' );
}
$stylesheet.attr( 'href', $this.children( '.css_url' ).val() );

// Repaint icons.
if ( typeof wp !== 'undefined' && wp.svgPainter ) {
try {
colors = JSON.parse( $this.children( '.icon_colors' ).val() );
} catch ( error ) {}

if ( colors ) {
wp.svgPainter.setColors( colors );
wp.svgPainter.paint();
}
}

// Update user option.
$.post( ajaxurl, {
action: 'save-user-color-scheme',
color_scheme: $this.children( 'input[name="admin_color"]' ).val(),
nonce: $('#color-nonce').val()
}).done( function( response ) {
if ( response.success ) {
$( 'body' ).removeClass( response.data.previousScheme ).addClass( response.data.currentScheme );
}
});
}
});

bindPasswordForm();
bindPasswordResetLink();
$submitButtons.on( 'click', function() {
isSubmitting = true;
});

$form = $( '#your-profile, #createuser' );
originalFormContent = $form.serialize();
});

$( '#destroy-sessions' ).on( 'click', function( e ) {
var $this = $(this);

wp.ajax.post( 'destroy-sessions', {
nonce: $( '#_wpnonce' ).val(),
user_id: $( '#user_id' ).val()
}).done( function( response ) {
$this.prop( 'disabled', true );
$this.siblings( '.notice' ).remove();
$this.before( '<div class="notice notice-success inline" role="alert"><p>' + response.message + '</p></div>' );
}).fail( function( response ) {
$this.siblings( '.notice' ).remove();
$this.before( '<div class="notice notice-error inline" role="alert"><p>' + response.message + '</p></div>' );
});

e.preventDefault();
});

window.generatePassword = generatePassword;

// Warn the user if password was generated but not saved.
$( window ).on( 'beforeunload', function () {
if ( true === updateLock ) {
return __( 'Your new password has not been saved.' );
}
if ( originalFormContent !== $form.serialize() && ! isSubmitting ) {
return __( 'The changes you made will be lost if you navigate away from this page.' );
}
});

/*
* We need to generate a password as soon as the Reset Password page is loaded,
* to avoid double clicking the button to retrieve the first generated password.
* See ticket #39638.
*/
$( function() {
if ( $( '.reset-pass-submit' ).length ) {
$( '.reset-pass-submit button.wp-generate-pw' ).trigger( 'click' );
}
});

})(jQuery);