/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

'use strict';

import { testTokenization } from './testRunner';
import { htmlTokenTypes } from '../src/handlebars';

const HTML_DELIM_START = htmlTokenTypes.DELIM_START;
const HTML_DELIM_END = htmlTokenTypes.DELIM_END;
const DELIM_ASSIGN = 'delimiter';
const HTML_ATTRIB_NAME = 'attribute.name';
const HTML_ATTRIB_VALUE = 'attribute.value';
function getTag(name: string) {
	return htmlTokenTypes.getTag(name);
}

const handlebarsTokenTypes = {
	EMBED: 'delimiter.handlebars',
	EMBED_UNESCAPED: 'delimiter.handlebars',
	KEYWORD: 'keyword.helper.handlebars',
	VARIABLE: 'variable.parameter.handlebars',
}

testTokenization(['handlebars', 'css'], [

	// Just HTML
	[{
		line: '<h1>handlebars!</h1>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('h1') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: '' },
			{ startIndex: 15, type: HTML_DELIM_START },
			{ startIndex: 17, type: getTag('h1') },
			{ startIndex: 19, type: HTML_DELIM_END }
		]
	}],

	// Expressions
	[{
		line: '<h1>{{ title }}</h1>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('h1') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 6, type: '' },
			{ startIndex: 7, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 12, type: '' },
			{ startIndex: 13, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 15, type: HTML_DELIM_START },
			{ startIndex: 17, type: getTag('h1') },
			{ startIndex: 19, type: HTML_DELIM_END }
		]
	}],

	// Expressions Sans Whitespace
	[{
		line: '<h1>{{title}}</h1>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('h1') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 6, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 11, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 13, type: HTML_DELIM_START },
			{ startIndex: 15, type: getTag('h1') },
			{ startIndex: 17, type: HTML_DELIM_END }
		]
	}],

	// Unescaped Expressions
	[{
		line: '<h1>{{{ title }}}</h1>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('h1') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: handlebarsTokenTypes.EMBED_UNESCAPED },
			{ startIndex: 7, type: '' },
			{ startIndex: 8, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 13, type: '' },
			{ startIndex: 14, type: handlebarsTokenTypes.EMBED_UNESCAPED },
			{ startIndex: 17, type: HTML_DELIM_START },
			{ startIndex: 19, type: getTag('h1') },
			{ startIndex: 21, type: HTML_DELIM_END }
		]
	}],

	// Blocks
	[{
		line: '<ul>{{#each items}}<li>{{item}}</li>{{/each}}</ul>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('ul') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 6, type: handlebarsTokenTypes.KEYWORD },
			{ startIndex: 11, type: '' },
			{ startIndex: 12, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 17, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 19, type: HTML_DELIM_START },
			{ startIndex: 20, type: getTag('li') },
			{ startIndex: 22, type: HTML_DELIM_END },
			{ startIndex: 23, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 25, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 29, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 31, type: HTML_DELIM_START },
			{ startIndex: 33, type: getTag('li') },
			{ startIndex: 35, type: HTML_DELIM_END },
			{ startIndex: 36, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 38, type: handlebarsTokenTypes.KEYWORD },
			{ startIndex: 43, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 45, type: HTML_DELIM_START },
			{ startIndex: 47, type: getTag('ul') },
			{ startIndex: 49, type: HTML_DELIM_END }
		]
	}],

	// Multiline
	[{
		line: '<div>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('div') },
			{ startIndex: 4, type: HTML_DELIM_END }
		]
	}, {
		line: '{{#if foo}}',
		tokens: [
			{ startIndex: 0, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 2, type: handlebarsTokenTypes.KEYWORD },
			{ startIndex: 5, type: '' },
			{ startIndex: 6, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 9, type: handlebarsTokenTypes.EMBED }
		]
	}, {
		line: '<span>{{bar}}</span>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('span') },
			{ startIndex: 5, type: HTML_DELIM_END },
			{ startIndex: 6, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 8, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 11, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 13, type: HTML_DELIM_START },
			{ startIndex: 15, type: getTag('span') },
			{ startIndex: 19, type: HTML_DELIM_END }
		]
	}, {
		line: '{{/if}}',
		tokens: [
			{ startIndex: 0, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 2, type: handlebarsTokenTypes.KEYWORD },
			{ startIndex: 5, type: handlebarsTokenTypes.EMBED }
		]
	}],

	// Div end
	[{
		line: '</div>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 2, type: getTag('div') },
			{ startIndex: 5, type: HTML_DELIM_END }
		]
	}],

	// HTML Expressions
	[{
		line: '<script type="text/x-handlebars-template"><h1>{{ title }}</h1></script>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('script') },
			{ startIndex: 7, type: '' },
			{ startIndex: 8, type: HTML_ATTRIB_NAME },
			{ startIndex: 12, type: DELIM_ASSIGN },
			{ startIndex: 13, type: HTML_ATTRIB_VALUE },
			{ startIndex: 41, type: HTML_DELIM_END },
			{ startIndex: 42, type: HTML_DELIM_START },
			{ startIndex: 43, type: getTag('h1') },
			{ startIndex: 45, type: HTML_DELIM_END },
			{ startIndex: 46, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 48, type: '' },
			{ startIndex: 49, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 54, type: '' },
			{ startIndex: 55, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 57, type: HTML_DELIM_START },
			{ startIndex: 59, type: getTag('h1') },
			{ startIndex: 61, type: HTML_DELIM_END },
			{ startIndex: 62, type: HTML_DELIM_START },
			{ startIndex: 64, type: getTag('script') },
			{ startIndex: 70, type: HTML_DELIM_END }
		]
	}],

	// Multi-line HTML Expressions
	[{
		line: '<script type="text/x-handlebars-template">',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('script') },
			{ startIndex: 7, type: '' },
			{ startIndex: 8, type: HTML_ATTRIB_NAME },
			{ startIndex: 12, type: DELIM_ASSIGN },
			{ startIndex: 13, type: HTML_ATTRIB_VALUE },
			{ startIndex: 41, type: HTML_DELIM_END }
		]
	}, {
		line: '<h1>{{ title }}</h1>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('h1') },
			{ startIndex: 3, type: HTML_DELIM_END },
			{ startIndex: 4, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 6, type: '' },
			{ startIndex: 7, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 12, type: '' },
			{ startIndex: 13, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 15, type: HTML_DELIM_START },
			{ startIndex: 17, type: getTag('h1') },
			{ startIndex: 19, type: HTML_DELIM_END }
		]
	}, {
		line: '</script>',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 2, type: getTag('script') },
			{ startIndex: 8, type: HTML_DELIM_END }
		]
	}],

	// HTML Nested Modes
	[{
		line: '{{foo}}<script></script>{{bar}}',
		tokens: [
			{ startIndex: 0, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 2, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 5, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 7, type: HTML_DELIM_START },
			{ startIndex: 8, type: getTag('script') },
			{ startIndex: 14, type: HTML_DELIM_END },
			// { startIndex:15, type: HTML_DELIM_START },
			{ startIndex: 17, type: getTag('script') },
			{ startIndex: 23, type: HTML_DELIM_END },
			{ startIndex: 24, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 26, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 29, type: handlebarsTokenTypes.EMBED }
		]
	}],

	// else keyword
	[{
		line: '{{else}}',
		tokens: [
			{ startIndex: 0, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 2, type: handlebarsTokenTypes.KEYWORD },
			{ startIndex: 6, type: handlebarsTokenTypes.EMBED }
		]
	}],

	// else keyword #2
	[{
		line: '{{elseFoo}}',
		tokens: [
			{ startIndex: 0, type: handlebarsTokenTypes.EMBED },
			{ startIndex: 2, type: handlebarsTokenTypes.VARIABLE },
			{ startIndex: 9, type: handlebarsTokenTypes.EMBED }
		]
	}],

	// Token inside attribute
	[{
		line: '<a href="/posts/{{permalink}}">',
		tokens: [
			{ startIndex: 0, type: HTML_DELIM_START },
			{ startIndex: 1, type: getTag('a') },
			{ startIndex: 2, type: '' },
			{ startIndex: 3, type: HTML_ATTRIB_NAME },
			{ startIndex: 7, type: DELIM_ASSIGN },
			{ startIndex: 8, type: HTML_ATTRIB_VALUE },
			{ startIndex: 30, type: HTML_DELIM_END }
		]
	}]
]);