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

namespace UI {

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

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

void InspectorPanel::Render() {
    ImGui::Begin(m_name.c_str(), nullptr, ImGuiWindowFlags_None);
    
    EntityID selectedId = SelectionManager::Get().GetSelectedEntity();
    GameObject* entity = SceneManager::Get().GetEntity(selectedId);
    
    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(GameObject* entity) {
    ImGui::Text("%s", entity->name.c_str());
    ImGui::Separator();
    
    for (auto& component : entity->components) {
        RenderComponent(component.get());
        ImGui::Separator();
    }
}

void InspectorPanel::RenderComponent(Component* component) {
    if (!component) return;
    
    const char* name = component->GetName().c_str();
    
    std::string headerId = name + std::string("##") + 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<TransformComponent*>(component)) {
            ImGui::Text("Position");
            ImGui::SameLine(80);
            ImGui::SetNextItemWidth(180);
            ImGui::DragFloat3("##Position", transform->position, 0.1f);
            
            ImGui::Text("Rotation");
            ImGui::SameLine(80);
            ImGui::SetNextItemWidth(180);
            ImGui::DragFloat3("##Rotation", transform->rotation, 1.0f);
            
            ImGui::Text("Scale");
            ImGui::SameLine(80);
            ImGui::SetNextItemWidth(180);
            ImGui::DragFloat3("##Scale", transform->scale, 0.1f);
        }
        else if (auto* meshRenderer = dynamic_cast<MeshRendererComponent*>(component)) {
            char materialBuffer[256] = {};
            strncpy_s(materialBuffer, meshRenderer->materialName.c_str(), sizeof(materialBuffer) - 1);
            ImGui::Text("Material");
            ImGui::SameLine(80);
            ImGui::SetNextItemWidth(180);
            if (ImGui::InputText("##Material", materialBuffer, sizeof(materialBuffer))) {
                meshRenderer->materialName = materialBuffer;
            }
            
            char meshBuffer[256] = {};
            strncpy_s(meshBuffer, meshRenderer->meshName.c_str(), sizeof(meshBuffer) - 1);
            ImGui::Text("Mesh");
            ImGui::SameLine(80);
            ImGui::SetNextItemWidth(180);
            if (ImGui::InputText("##Mesh", meshBuffer, sizeof(meshBuffer))) {
                meshRenderer->meshName = meshBuffer;
            }
        }
        
        ImGui::Unindent(10.0f);
    }
}

}