/*
 * Copyright (c) 2018 Arnaud Ysmal.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

package tex

import (
	"jsonresume/model"
	"jsonresume/themes"
	"path"
	"strings"
	"text/template"
)

const (
	packageDirectory = "themes/tex"
	fileTemplate     = "resume_template.tex"
)

var Theme = themes.Theme{
	Name:      "tex",
	Directory: packageDirectory,
	Functions: template.FuncMap{"md2tex": md2tex},
}

func init() {
	t, _ := Asset(path.Join(packageDirectory, fileTemplate))
	Theme.Template = string(t)
	(&Theme).Register()
}

type replacement struct {
	o string
	n string
}

var latexAccents = []replacement{
	{"\\", "\\\\"},
	{"{", "\\{"},
	{"}", "\\}"},

	{"à", "\\`a"},
	{"è", "\\`e"},
	{"ì", "\\`\\i"},
	{"ò", "\\`o"},
	{"ù", "\\`u"},
	{"ỳ", "\\`y"},
	{"À", "\\`A"},
	{"È", "\\`E"},
	{"Ì", "\\`\\I"},
	{"Ò", "\\`O"},
	{"Ù", "\\`U"},
	{"Ỳ", "\\`Y"},
	{"á", "\\'a"},
	{"é", "\\'e"},
	{"í", "\\'\\i"},
	{"ó", "\\'o"},
	{"ú", "\\'u"},
	{"ý", "\\'y"},
	{"Á", "\\'A"},
	{"É", "\\'E"},
	{"Í", "\\'\\I"},
	{"Ó", "\\'O"},
	{"Ú", "\\'U"},
	{"Ý", "\\'Y"},
	{"â", "\\^a"},
	{"ê", "\\^e"},
	{"î", "\\^\\i"},
	{"ô", "\\^o"},
	{"û", "\\^u"},
	{"ŷ", "\\^y"},
	{"Â", "\\^A"},
	{"Ê", "\\^E"},
	{"Î", "\\^\\I"},
	{"Ô", "\\^O"},
	{"Û", "\\^U"},
	{"Ŷ", "\\^Y"},
	{"ä", "\\\"a"},
	{"ë", "\\\"e"},
	{"ï", "\\\"\\i"},
	{"ö", "\\\"o"},
	{"ü", "\\\"u"},
	{"ÿ", "\\\"y"},
	{"Ä", "\\\"A"},
	{"Ë", "\\\"E"},
	{"Ï", "\\\"\\I"},
	{"Ö", "\\\"O"},
	{"Ü", "\\\"U"},
	{"Ÿ", "\\\"Y"},
	{"ç", "\\c{c}"},
	{"Ç", "\\c{C}"},
	{"œ", "\\oe{}"},
	{"Œ", "{\\OE}"},
	{"æ", "{\\ae}"},
	{"Æ", "{\\AE}"},
	{"å", "{\\aa}"},
	{"Å", "{\\AA}"},
	{"–", "--"},
	{"—", "---"},
	{"ø", "{\\o}"},
	{"Ø", "{\\O}"},
	{"ß", "{\\ss}"},
	{"¡", "{!`}"},
	{"¿", "{?`}"},
	{"~", "\\~"},
	{"&", "\\&"},
	{"$", "\\$"},
	{"%", "\\%"},
	{"#", "\\#"},
	{"_", "\\_"},
	{"≥", "$\\ge$"},
	{"≤", "$\\le$"},
	{"≠", "$\\neq$"},
	{"ı", "{\\i}"},
	{"µ", "$\\mu$"},
	{"°", "$\\deg$"},
	{"‘", "`"},
	{"’", "'"},
	{"“", "``"},
	{"”", "''"},
	{"‚", ","},
	{"„", ",,"},
}

func md2tex(s string) string {
	for _, r := range latexAccents {
		s = strings.Replace(s, r.o, r.n, -1)
	}

	return model.MarkdownURLRegexp.ReplaceAllString(s, `\href{$2}{$1}`)
}