#include "InspectorPanel.h"
#include "Managers/SceneManager.h"
#include "Managers/SelectionManager.h"
#include <imgui.h>
#include <string>
#include <glm/glm.hpp>

namespace UI {

InspectorPanel::InspectorPanel() : Panel("Inspector") {
    m_selectionHandlerId = SelectionManager::Get().OnSelectionChanged.Subscribe([this](uint64_t) {
    });
}

InspectorPanel::~InspectorPanel() {
    SelectionManager::Get().OnSelectionChanged.Unsubscribe(m_selectionHandlerId);
}

void InspectorPanel::Render() {
    ImGui::Begin(m_name.c_str(), nullptr, ImGuiWindowFlags_None);
    
    XCEngine::Components::GameObject* entity = SelectionManager::Get().GetSelectedEntity();
    
    if (entity) {
        RenderEntity(entity);
    } else {
        ImGui::Text("No object selected");
        ImGui::TextColored(ImVec4(0.5f, 0.5f, 0.5f, 1.0f), "Select an object in Hierarchy");
    }
    
    ImGui::End();
}

void InspectorPanel::RenderEntity(XCEngine::Components::GameObject* entity) {
    ImGui::Text("%s", entity->GetName().c_str());
    ImGui::Separator();
    
    for (auto& component : entity->m_components) {
        RenderComponent(component.get());
        ImGui::Separator();
    }
}

void InspectorPanel::RenderComponent(XCEngine::Components::Component* component) {
    if (!component) return;
    
    const char* name = component->GetName().c_str();
    
    std::string headerId = std::string(name) + "##" + std::to_string(reinterpret_cast<uintptr_t>(component));
    
    if (ImGui::CollapsingHeader(headerId.c_str(), ImGuiTreeNodeFlags_DefaultOpen)) {
        ImGui::Indent(10.0f);
        
        if (auto* transform = dynamic_cast<XCEngine::Components::TransformComponent*>(component)) {
            glm::vec3 position = transform->GetLocalPosition();
            glm::vec3 rotation = transform->GetLocalEulerAngles();
            glm::vec3 scale = transform->GetLocalScale();
            
            if (ImGui::DragFloat3("Position", &position.x, 0.1f)) {
                transform->SetLocalPosition(position);
            }
            
            if (ImGui::DragFloat3("Rotation", &rotation.x, 1.0f)) {
                transform->SetLocalEulerAngles(rotation);
            }
            
            if (ImGui::DragFloat3("Scale", &scale.x, 0.1f)) {
                transform->SetLocalScale(scale);
            }
        }
        
        ImGui::Unindent(10.0f);
    }
}

}