AccessibilitySettings.hpp

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/*
** EPITECH PROJECT, 2026
** r-type
** File description:
** AccessibilitySettings - Struct for storing accessibility settings with binary save/load
*/
 
#pragma once
 
#include <cstdint>
#include <cstdio>
#include <cstring>
 
namespace Settings {
 
    constexpr uint32_t SETTINGS_MAGIC = 0x52545950;  // "RTYP"
 
    constexpr uint32_t SETTINGS_VERSION = 1;
 
    constexpr const char *SETTINGS_FILE_PATH = ".rtype_settings";
 
    enum class ColorblindFilterType : uint8_t {
        NONE = 0,
        PROTANOPIA = 1,
        DEUTERANOPIA = 2,
        TRITANOPIA = 3,
        MONOCHROMACY = 4
    };
 
#pragma pack(push, 1)
    struct AccessibilitySettings {
        // Header for validation
        uint32_t magic;    
        uint32_t version;  
 
        // Accessibility settings
        ColorblindFilterType colorblindFilter;  
        uint8_t visualSoundIndicators;          
        uint8_t padding[2];                     
 
        void SetDefaults() {
            magic = SETTINGS_MAGIC;
            version = SETTINGS_VERSION;
            colorblindFilter = ColorblindFilterType::NONE;
            visualSoundIndicators = 0;
            padding[0] = 0;
            padding[1] = 0;
        }
 
        [[nodiscard]] bool IsValid() const { return magic == SETTINGS_MAGIC && version <= SETTINGS_VERSION; }
    };
#pragma pack(pop)
 
    inline bool SaveSettings(const AccessibilitySettings &settings,
                             const char *filePath = SETTINGS_FILE_PATH) {
        FILE *file = fopen(filePath, "wb");
        if (!file) {
            return false;
        }
 
        size_t written = fwrite(&settings, sizeof(AccessibilitySettings), 1, file);
        fclose(file);
 
        return written == 1;
    }
 
    inline bool LoadSettings(AccessibilitySettings &settings, const char *filePath = SETTINGS_FILE_PATH) {
        FILE *file = fopen(filePath, "rb");
        if (!file) {
            // File doesn't exist - use defaults
            settings.SetDefaults();
            return false;
        }
 
        size_t read = fread(&settings, sizeof(AccessibilitySettings), 1, file);
        fclose(file);
 
        if (read != 1 || !settings.IsValid()) {
            // Invalid file - use defaults
            settings.SetDefaults();
            return false;
        }
 
        return true;
    }
 
    inline bool SettingsFileExists(const char *filePath = SETTINGS_FILE_PATH) {
        FILE *file = fopen(filePath, "rb");
        if (file) {
            fclose(file);
            return true;
        }
        return false;
    }
 
}  // namespace Settings