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

#include "Environment.hpp"
#include "assert/assert.hpp"

using namespace Dawn;

Environment environment;

bool_t Environment::hasVariable(const std::string &key) {
  assertTrue(key.length() > 0, "Key must be at least 1 character long.");
  return this->variables.find(key) != this->variables.end();
}

void Environment::setVariable(
  const std::string &key,
  const std::string &value
) {
  assertTrue(key.length() > 0, "Key must be at least 1 character long.");

  this->variables[key] = value;
}

std::string Environment::getVariable(const std::string &key) {
  assertTrue(key.length() > 0, "Key must be at least 1 character long.");
  assertTrue(this->hasVariable(key), "Variable does not exist.");
  return this->variables[key];
}