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

#pragma once
#include "util/string.hpp"

namespace Dawn {
  static inline std::string rawParser(std::string v, std::string *error) {
    return v;
  };

  static inline std::string stringParser(std::string v, std::string *error) {
    return "\"" + v + "\"";
  };

  static inline std::string floatParser(std::string v, std::string *error) {
    v = stringTrim(v);

    // Make sure number contains decimal
    if(v.find(".") == std::string::npos) {
      v += ".0";
    }
    // Make sure number contains a number before the decimal
    if(v.find(".") == 0) {
      v = "0" + v;
    }
    // Make sure ends with f
    if(v.find("f") == std::string::npos) {
      v += "f";
    }
    return v;
  };

  static inline std::string intParser(std::string v, std::string *error) {
    v = stringTrim(v);
    return v;
  }

  static inline std::string vec2Parser(std::string v, std::string *error) {
    // Split string by comma into two strings that we pass into float
    auto split = stringSplit(v, ",");
    if(split.size() != 2) {
      *error = "Invalid vec2 value: " + v;
      return std::string("");
    }
    return std::string(
      "glm::vec2(" +
        floatParser(split[0], error) + ", " +
        floatParser(split[1], error) +
      ")"
    );
  };


  static inline std::string vec3Parser(std::string v, std::string *error) {
    // Split string by comma into two strings that we pass into float
    auto split = stringSplit(v, ",");
    if(split.size() != 3) {
      *error = "Invalid vec3 value: " + v;
      return std::string("");
    }
    return std::string(
      "glm::vec3(" +
        floatParser(split[0], error) + ", " +
        floatParser(split[1], error) + ", " +
        floatParser(split[2], error) +
      ")"
    );
  };

  static inline std::string colorParser(std::string v, std::string *error) {
    return rawParser(v, error);
  }
}