# -*- coding: utf-8 -*-
"""novelWriter HTML Text Converter

 novelWriter – HTML Text Converter
===================================
 Extends the Tokenizer class to write HTML

 File History:
 Created: 2019-05-07 [0.0.1]

"""

import logging
import re
import nw

from nw.convert.tokenizer import Tokenizer

logger = logging.getLogger(__name__)

class ToHtml(Tokenizer):

    def __init__(self, theProject, theParent):
        Tokenizer.__init__(self, theProject, theParent)
        return

    def doAutoReplace(self):
        Tokenizer.doAutoReplace(self)

        repDict = {
            "<"      : "&lt;",
            ">"      : "&gt;",
            "&"      : "&amp;",
            "\u2013" : "&endash;",
            "\u2014" : "$emdash;",
            "\u2500" : "$emdash;",
            "\u2026" : "&hellip;",
        }
        xRep = re.compile("|".join([re.escape(k) for k in repDict.keys()]), flags=re.DOTALL)
        self.theText = xRep.sub(lambda x: repDict[x.group(0)], self.theText)

        return

    def doConvert(self):

        htmlTags = {
            self.FMT_B_B : "<strong>",
            self.FMT_B_E : "</strong>",
            self.FMT_I_B : "<em>",
            self.FMT_I_E : "</em>",
            self.FMT_U_B : "<u>",
            self.FMT_U_E : "</u>",
        }

        self.theResult = ""
        thisPar = []
        for tType, tText, tFormat, tAlign in self.theTokens:

            aStyle = []
            if tAlign == self.A_CENTRE:
                aStyle.append("text-align: center;")

            if len(aStyle) > 0:
                hStyle = " style='%s'" % (" ".join(aStyle))
            else:
                hStyle = ""

            if tType == self.T_EMPTY:
                if len(thisPar) > 0:
                    self.theResult += "<p%s>%s</p>\n" % (hStyle," ".join(thisPar))
                thisPar = []

            elif tType == self.T_HEAD1:
                self.theResult += "<h1%s>%s</h1>\n" % (hStyle,tText)

            elif tType == self.T_HEAD2:
                self.theResult += "<h2%s>%s</h2>\n" % (hStyle,tText)

            elif tType == self.T_HEAD3:
                self.theResult += "<h3%s>%s</h3>\n" % (hStyle,tText)

            elif tType == self.T_HEAD4:
                self.theResult += "<h4%s>%s</h4>\n" % (hStyle,tText)

            elif tType == self.T_SEP:
                self.theResult += "<div%s>%s</div>\n" % (hStyle,tText)

            elif tType == self.T_TEXT:
                tTemp = tText
                for xPos, xLen, xFmt in reversed(tFormat):
                    tTemp = tTemp[:xPos]+htmlTags[xFmt]+tTemp[xPos+xLen:]
                thisPar.append(tTemp)

            elif tType == self.T_COMMENT and self.doComments:
                self.theResult += "<div class='comment'>%s</div>\n" % tText

            elif tType == self.T_COMMAND and self.doCommands:
                self.theResult += "<pre>%s</pre>\n" % tText

        # print(self.theResult)

        return

# END Class ToHtml