#include "Commands/SceneCommands.h"
#include "EditorLayer.h"
#include "Layout/DockLayoutController.h"
#include "panels/MenuBar.h"
#include "panels/HierarchyPanel.h"
#include "panels/SceneViewPanel.h"
#include "panels/GameViewPanel.h"
#include "panels/InspectorPanel.h"
#include "panels/ConsolePanel.h"
#include "panels/ProjectPanel.h"
#include "Core/IEditorContext.h"
#include "Core/EditorContext.h"
#include "Core/IUndoManager.h"
#include <filesystem>
#include <imgui.h>

namespace XCEngine {
namespace Editor {

namespace {

std::string BuildFallbackScenePath(const IEditorContext& context) {
    return (std::filesystem::path(context.GetProjectPath()) / "Assets" / "Scenes" / "Main.xc").string();
}

} // namespace

EditorLayer::EditorLayer() : Layer("Editor") {}

void EditorLayer::SetContext(std::shared_ptr<IEditorContext> context) {
    m_context = context;
}

void EditorLayer::onAttach() {
    if (!m_context) {
        m_context = std::make_shared<EditorContext>();
    }

    m_panels.Clear();
    m_panels.SetContext(m_context.get());
    m_panels.Emplace<MenuBar>();
    m_panels.Emplace<HierarchyPanel>();
    m_panels.Emplace<SceneViewPanel>();
    m_panels.Emplace<GameViewPanel>();
    m_panels.Emplace<InspectorPanel>();
    m_panels.Emplace<ConsolePanel>();
    m_projectPanel = &m_panels.Emplace<ProjectPanel>();
    m_dockLayoutController = std::make_unique<DockLayoutController>();

    m_projectPanel->Initialize(m_context->GetProjectPath());
    Commands::LoadStartupScene(*m_context);
    m_dockLayoutController->Attach(*m_context);
    m_panels.AttachAll();
}

void EditorLayer::onDetach() {
    if (m_context) {
        Commands::SaveDirtySceneWithFallback(*m_context, BuildFallbackScenePath(*m_context));
    }

    if (m_dockLayoutController) {
        m_dockLayoutController->Detach();
    }

    m_panels.DetachAll();
    m_panels.Clear();
    m_projectPanel = nullptr;
}

void EditorLayer::onUpdate(float dt) {
    m_panels.UpdateAll(dt);
}

void EditorLayer::onEvent(void* event) {
    m_panels.DispatchEvent(event);
}

void EditorLayer::onImGuiRender() {
    m_dockLayoutController->RenderDockspace();
    m_panels.RenderAll();
}

}
}