/*************************************************************
 *
 *  Copyright (c) 2017 The MathJax Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @fileoverview  The MathJax TeXFont object
 *
 * @author dpvc@mathjax.org (Davide Cervone)
 */

import {SVGFontData, SVGFontDataClass, SVGCharOptions, SVGVariantData, SVGDelimiterData,
        CharData, CharOptions, DelimiterMap, CharMapMap, CssFontMap, FontDataClass} from '../FontData.js';
import {CommonTeXFontMixin} from '../../common/fonts/tex.js';
import {StyleList, StyleData} from '../../common/CssStyles.js';
import {em} from '../../../util/lengths.js';
import {OptionList, defaultOptions, userOptions} from '../../../util/Options.js';
import {StringMap} from '../Wrapper.js';
import {DIRECTION} from '../FontData.js';

import {boldItalic} from './tex/bold-italic.js';
import {bold} from './tex/bold.js';
import {doubleStruck} from './tex/double-struck.js';
import {frakturBold} from './tex/fraktur-bold.js';
import {fraktur} from './tex/fraktur.js';
import {italic} from './tex/italic.js';
import {largeop} from './tex/largeop.js';
import {monospace} from './tex/monospace.js';
import {normal} from './tex/normal.js';
import {sansSerifBoldItalic} from './tex/sans-serif-bold-italic.js';
import {sansSerifBold} from './tex/sans-serif-bold.js';
import {sansSerifItalic} from './tex/sans-serif-italic.js';
import {sansSerif} from './tex/sans-serif.js';
import {scriptBold} from './tex/script-bold.js';
import {script} from './tex/script.js';
import {smallop} from './tex/smallop.js';
import {texCalligraphicBold} from './tex/tex-calligraphic-bold.js';
import {texCalligraphic} from './tex/tex-calligraphic.js';
import {texMathit} from './tex/tex-mathit.js';
import {texOldstyleBold} from './tex/tex-oldstyle-bold.js';
import {texOldstyle} from './tex/tex-oldstyle.js';
import {texSize3} from './tex/tex-size3.js';
import {texSize4} from './tex/tex-size4.js';
import {texVariant} from './tex/tex-variant.js';

import {delimiters} from '../../common/fonts/tex/delimiters.js';

/***********************************************************************************/
/**
 *  The TeXFont class
 */
export class TeXFont extends
CommonTeXFontMixin<SVGCharOptions, SVGVariantData, SVGDelimiterData, SVGFontDataClass>(SVGFontData) {

    /**
     *  The stretchy delimiter data
     */
    protected static defaultDelimiters: DelimiterMap<SVGDelimiterData> = delimiters;

    /**
     *  The character data by variant
     */
    protected static defaultChars: CharMapMap<SVGCharOptions> = {
        'normal': normal,
        'bold': bold,
        'italic': italic,
        'bold-italic': boldItalic,
        'double-struck': doubleStruck,
        'fraktur': fraktur,
        'bold-fraktur': frakturBold,
        'script': script,
        'bold-script': scriptBold,
        'sans-serif': sansSerif,
        'bold-sans-serif': sansSerifBold,
        'sans-serif-italic': sansSerifItalic,
        'bold-sans-serif-italic': sansSerifBoldItalic,
        'monospace': monospace,
        '-smallop': smallop,
        '-largeop': largeop,
        '-size3': texSize3,
        '-size4': texSize4,
        '-tex-calligraphic': texCalligraphic,
        '-tex-bold-calligraphic': texCalligraphicBold,
        '-tex-mathit': texMathit,
        '-tex-oldstyle': texOldstyle,
        '-tex-bold-oldstyle': texOldstyleBold,
        '-tex-variant': texVariant
    };

    /**
     * The cacheIDs to use for the variants in font-caching
     */
    protected static variantCacheIds: {[name: string]: string} = {
        'normal': 'N',
        'bold': 'B',
        'italic': 'I',
        'bold-italic': 'BI',
        'double-struck': 'D',
        'fraktur': 'F',
        'bold-fraktur': 'BF',
        'script': 'S',
        'bold-script': 'BS',
        'sans-serif': 'SS',
        'bold-sans-serif': 'BSS',
        'sans-serif-italic': 'SSI',
        'bold-sans-serif-italic': 'BSSI',
        'monospace': 'M',
        '-smallop': 'SO',
        '-largeop': 'LO',
        '-size3': 'S3',
        '-size4': 'S4',
        '-tex-calligraphic': 'C',
        '-tex-bold-calligraphic': 'BC',
        '-tex-mathit': 'MI',
        '-tex-oldstyle': 'OS',
        '-tex-bold-oldstyle': 'BOS',
        '-tex-variant': 'V'
    };

    /**
     * @override
     */
    constructor() {
        super();
        //
        //  Add the cacheIDs to the variants
        //
        const CLASS = this.constructor as typeof TeXFont;
        for (const variant of Object.keys(CLASS.variantCacheIds)) {
            this.variant[variant].cacheID = 'TEX-' + CLASS.variantCacheIds[variant];
        }
    }

}