/* global jQuery, wp, m365LoginAdmin */
( function ( $ ) {
	'use strict';

	var cfg = window.m365LoginAdmin || {};
	var i18n = cfg.i18n || {};

	$( function () {
		var $preview = $( '#m365-preview' );

		/* ---------------- Tabs ---------------- */
		var $tabs = $( '.m365-admin__tab' );
		var $panels = $( '.m365-admin__panel' );

		function activate( name ) {
			$tabs.removeClass( 'is-active' ).attr( 'aria-selected', 'false' ).filter( '[data-tab="' + name + '"]' ).addClass( 'is-active' ).attr( 'aria-selected', 'true' );
			$panels.removeClass( 'is-active' ).filter( '[data-panel="' + name + '"]' ).addClass( 'is-active' );
			try {
				window.localStorage.setItem( 'm365LoginTab', name );
			} catch ( e ) {}
		}

		$tabs.on( 'click', function () {
			activate( $( this ).data( 'tab' ) );
		} );

		try {
			var saved = window.localStorage.getItem( 'm365LoginTab' );
			if ( saved && $tabs.filter( '[data-tab="' + saved + '"]' ).length ) {
				activate( saved );
			}
		} catch ( e ) {}

		// Jump to the tab that contains a validation error.
		var $error = $( '.settings-error' ).first();
		if ( $error.length && $error.text().toLowerCase().indexOf( 'tenant' ) !== -1 ) {
			activate( 'connection' );
		}

		/* ---------------- Live preview ---------------- */
		function setVar( name, value ) {
			$preview[ 0 ].style.setProperty( '--m365-' + name, value );
		}

		function updateIcon() {
			var show = $( '[data-preview="show-icon"]' ).is( ':checked' );
			var url = $.trim( $( '#m365-icon-url' ).val() );
			var $icon = $( '#m365-preview-icon' );
			var $thumb = $( '#m365-icon-thumb' );

			$icon.toggleClass( 'is-hidden', ! show );

			if ( url ) {
				var $img = $( '<img>', { src: url, alt: '' } );
				$icon.empty().append( $img );
				$thumb.empty().append( $img.clone() );
			} else {
				$icon.html( cfg.defaultLogo || '' );
				$thumb.html( cfg.defaultLogo || '' );
			}
		}

		$( '[data-preview="text"]' ).on( 'input', function () {
			$( '#m365-preview-text' ).text( $( this ).val() );
		} );

		$( '[data-preview="divider"]' ).on( 'input', function () {
			var val = $.trim( $( this ).val() );
			$( '#m365-preview-divider' ).text( val ).closest( '.m365-login__divider' ).toggleClass( 'is-hidden', ! val );
		} ).trigger( 'input' );

		$( '[data-preview="show-icon"], #m365-icon-url' ).on( 'change input', updateIcon );

		$( '[data-preview="radius"]' ).on( 'input change', function () {
			setVar( 'radius', $( this ).val() + 'px' );
			$( '#m365-radius-value' ).text( $( this ).val() + ' px' );
		} );

		$( '.m365-color' ).wpColorPicker( {
			change: function ( event, ui ) {
				var key = $( event.target ).data( 'preview' );
				var color = ui.color.toString();
				setVar( key.replace( '_', '-' ), color );
			},
			clear: function ( event ) {
				var $input = $( event.target ).closest( '.wp-picker-container' ).find( '.m365-color' );
				setVar( $input.data( 'preview' ).replace( '_', '-' ), $input.data( 'default-color' ) );
			}
		} );

		$( '.m365-preset' ).on( 'click', function () {
			var preset = $( this ).data( 'preset' );
			if ( ! preset ) {
				return;
			}
			$.each( preset, function ( key, value ) {
				$( '#m365-button_' + key ).wpColorPicker( 'color', value );
			} );
		} );

		/* ---------------- Media library ---------------- */
		var frame;
		$( '#m365-icon-choose' ).on( 'click', function ( e ) {
			e.preventDefault();
			if ( ! window.wp || ! wp.media ) {
				return;
			}
			if ( ! frame ) {
				frame = wp.media( {
					title: i18n.chooseIcon || '',
					button: { text: i18n.useIcon || '' },
					library: { type: 'image' },
					multiple: false
				} );
				frame.on( 'select', function () {
					var attachment = frame.state().get( 'selection' ).first().toJSON();
					var url = attachment.url;
					if ( attachment.sizes && attachment.sizes.thumbnail && attachment.mime !== 'image/svg+xml' ) {
						url = attachment.sizes.thumbnail.url;
					}
					$( '#m365-icon-url' ).val( url ).trigger( 'input' );
				} );
			}
			frame.open();
		} );

		$( '#m365-icon-reset' ).on( 'click', function ( e ) {
			e.preventDefault();
			$( '#m365-icon-url' ).val( '' ).trigger( 'input' );
		} );

		/* ---------------- Secret visibility ---------------- */
		$( '.m365-toggle-secret' ).on( 'click', function () {
			var $input = $( '#m365-client-secret' );
			var show = 'password' === $input.attr( 'type' );
			$input.attr( 'type', show ? 'text' : 'password' );
			$( this ).find( '.dashicons' ).toggleClass( 'dashicons-visibility', ! show ).toggleClass( 'dashicons-hidden', show );
		} );

		/* ---------------- Copy redirect URI ---------------- */
		$( '.m365-copy__button' ).on( 'click', function () {
			var $btn = $( this );
			var text = $( '#' + $btn.data( 'copy' ) ).text();
			var done = function () {
				$btn.text( i18n.copied || 'Copied!' );
				window.setTimeout( function () {
					$btn.text( i18n.copy || 'Copy' );
				}, 1500 );
			};
			if ( navigator.clipboard && navigator.clipboard.writeText ) {
				navigator.clipboard.writeText( text ).then( done );
			} else {
				var $tmp = $( '<textarea>' ).val( text ).appendTo( 'body' ).select();
				try {
					document.execCommand( 'copy' );
				} catch ( e ) {}
				$tmp.remove();
				done();
			}
		} );

		/* ---------------- Test tenant ---------------- */
		$( '#m365-test' ).on( 'click', function () {
			var $btn = $( this );
			var $out = $( '#m365-test-result' );
			var label = $btn.text();

			$btn.prop( 'disabled', true ).text( i18n.testing || '…' );
			$out.removeClass( 'is-success is-error' ).prop( 'hidden', true ).empty();

			$.post( cfg.ajaxUrl, {
				action: cfg.action,
				nonce: cfg.nonce,
				tenant: $( '#m365-tenant' ).val()
			} ).done( function ( res ) {
				if ( res && res.success ) {
					$out.addClass( 'is-success' ).text( res.data.message ).append( $( '<code>' ).text( res.data.issuer ) );
				} else {
					$out.addClass( 'is-error' ).text( ( res && res.data && res.data.message ) || i18n.testFailed || '' );
				}
			} ).fail( function () {
				$out.addClass( 'is-error' ).text( i18n.testFailed || '' );
			} ).always( function () {
				$btn.prop( 'disabled', false ).text( label );
				$out.prop( 'hidden', false );
			} );
		} );
	} );
}( jQuery ) );