#include "ScoreManager.h"
#include <fstream>
#include <iostream>

ScoreManager::ScoreManager(const std::string& filename) : highscoreFile(filename) {
  loadHighscore();
}

void ScoreManager::loadHighscore() {
  std::ifstream file(highscoreFile);

  if (!file.is_open()) {
    std::cout << "No highscore file found, creating new file.\n";
    highScore = 9999;
    bestTime = 99999.99;
    return;
  }

  std::string key;
  while (file >> key) {
    if (key == "score") file >> highScore;
    else if (key == "time") file >> bestTime;
  }

  file.close();

  // If file contains useless values (like old format), reset
  if (highScore <= 0 || highScore > 9999) highScore = 9999;
  if (bestTime <= 0 || bestTime > 99999.99) bestTime = 99999.99;
}


void ScoreManager::incrementScore() {
  currentScore++;
}

void ScoreManager::resetScore() {
  currentScore = 0;
}

void ScoreManager::saveHighScore(int finalScore, double finalTime) {
  bool updated = false;

  if (finalScore < highScore) {
    highScore = finalScore;
    updated = true;
  }

  if (finalTime < bestTime) {
    bestTime = finalTime;
    updated = true;
  }

  // For safety: If file was default → always write
  if (highScore == 9999 && bestTime == 99999.99)
    updated = true;

  if (!updated) return;

  std::ofstream file(highscoreFile);
  if (!file.is_open()) {
    std::cerr << "❌ ERROR: Can't write highscore file\n";
    return;
  }

  file << "score " << highScore << "\n";
  file << "time " << bestTime << "\n";
  file.close();

  std::cout << "✅ Highscore updated!\n";
}