package funkin.util;

import lime.system.System;

class DeviceUtil
{
  // --- iPhone Number Detection ---
  #if ios
  public static var iPhoneNumber(get, never):Int;

  private static function get_iPhoneNumber():Int
  {
    // TODO: Add ipad detection gah
    if (!model.startsWith('iPhone')) return 0; // Not an iPhone, must be an ipad!!

    return switch (model)
    {
      // iPhone 12 Series
      case 'iPhone13,1':
        12;
      case 'iPhone13,2':
        12;
      case 'iPhone13,3':
        12;
      case 'iPhone13,4':
        12;

      // iPhone 13 Series
      case 'iPhone14,4':
        13;
      case 'iPhone14,5':
        13;
      case 'iPhone14,2':
        13;
      case 'iPhone14,3':
        13;

      // iPhone 14 Series
      case 'iPhone14,7':
        14;
      case 'iPhone14,8':
        14;
      case 'iPhone15,2':
        14;
      case 'iPhone15,3':
        14;

      // iPhone 15 Series
      case 'iPhone15,4':
        15;
      case 'iPhone15,5':
        15;
      case 'iPhone16,1':
        15;
      case 'iPhone16,2':
        15;

      // iPhone 16 Series
      case 'iPhone17,1':
        16;
      case 'iPhone17,5':
        16;
      case 'iPhone17,4':
        16;
      case 'iPhone17,3':
        16;
      case 'iPhone17,2':
        16;

      // Unknown or newer model fallback
      default:
        final parts = model.substr(6).split(',');
        if (parts.length == 2)
        {
          final major = Std.parseInt(parts[0]);
          final minor = Std.parseInt(parts[1]);
          if (major != null && minor != null)
          {
            if (major > 17 || (major == 17 && minor > 5))
            {
              return 100; // future device
            }
          }
        }
        return 0; // obsolete or unknown
    }
  }
  #end

  // --- General Device Info ---
  public static var osVersion(get, null):String;

  static function get_osVersion():String
  {
    return System.platformVersion;
  }

  public static var vendor(get, null):String;

  static function get_vendor():String
  {
    return System.deviceVendor;
  }

  public static var model(get, null):String;

  static function get_model():String
  {
    return System.deviceModel;
  }
}