// Copyright (c) 2023 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#include "VNTextEventParser.hpp"
#include "util/parser/TypeParsers.hpp"

using namespace Dawn;

std::vector<std::string> VNTextParser::getRequiredAttributes() {
  return { "lang" };
}

std::map<std::string, std::string> VNTextParser::getOptionalAttributes() {
  return { };
}

int32_t VNTextParser::onParse(
  Xml *node,
  std::map<std::string, std::string> values,
  struct VNText *out,
  std::string *error
) {
  std::string innerXml = node->innerXml;

  // Split by newlines, then trim each line.
  std::vector<std::string> lines = stringSplit(innerXml, "\n");
  std::vector<std::string> finalLines;
  for(auto it = lines.begin(); it != lines.end(); ++it) {
    auto newLine = stringTrim(*it);
    if(newLine.length() > 0) finalLines.push_back(newLine);
  }
  std::string finalXml = stringJoin(finalLines, "\n");

  out->language = values["lang"];
  out->text = stringParser(finalXml, error);
  return error->length() == 0 ? 0 : -1;
}

// // // // // // // // // // // // // // // // // // // // // // // // // // //

std::vector<std::string> VNTextEventParser::getRequiredAttributes() {
  return { };
}

std::map<std::string, std::string> VNTextEventParser::getOptionalAttributes() {
  return { };
}

int32_t VNTextEventParser::onParse(
  Xml *node,
  std::map<std::string, std::string> values,
  struct VNTextEvent *out,
  std::string *error
) {
  int32_t ret;
  auto itChildren = node->childNodes.begin();
  while(itChildren != node->childNodes.end()) {
    if(itChildren->nodeType != XML_NODE_TYPE_ELEMENT) {
      ++itChildren;
      continue;
    }

    Xml *child = itChildren->child;

    // Parse strings
    if(child->node == "string") {
      VNText text;
      ret = (VNTextParser()).parse(child, &text, error);
      if(ret != 0) return ret;
      out->texts.push_back(text);
    } else {
      *error = "Unknown child node for text event '" + child->node + "'";
      return -1;
    }

    itChildren++;
  }

  return 0;
}