#include "XCEngine/Resources/IResourceLoader.h"
#include <fstream>

namespace XCEngine {
namespace Resources {

Containers::Array<Core::uint8> IResourceLoader::ReadFileData(const Containers::String& path) {
    Containers::Array<Core::uint8> data;
    
    std::ifstream file(path.CStr(), std::ios::binary | std::ios::ate);
    if (!file.is_open()) {
        return data;
    }
    
    std::streamsize size = file.tellg();
    file.seekg(0, std::ios::beg);
    
    data.Resize(static_cast<size_t>(size));
    if (!file.read(reinterpret_cast<char*>(data.Data()), size)) {
        data.Clear();
    }
    
    return data;
}

Containers::String IResourceLoader::GetExtension(const Containers::String& path) {
    Containers::String ext;
    size_t dotPos = Containers::String::npos;
    for (size_t i = path.Length(); i > 0; --i) {
        if (path[i - 1] == '.') {
            dotPos = i - 1;
            break;
        }
    }
    if (dotPos != Containers::String::npos) {
        ext = path.Substring(dotPos + 1);
    }
    return ext;
}

} // namespace Resources
} // namespace XCEngine