#pragma once

#include "IComponentEditor.h"
#include "Core/IUndoManager.h"
#include "UI/UI.h"

#include <XCEngine/Components/CameraComponent.h>

namespace XCEngine {
namespace Editor {

class CameraComponentEditor : public IComponentEditor {
public:
    const char* GetComponentTypeName() const override {
        return "Camera";
    }

    const char* GetDisplayName() const override {
        return "Camera";
    }

    bool Render(::XCEngine::Components::Component* component, IUndoManager* undoManager) override {
        auto* camera = dynamic_cast<::XCEngine::Components::CameraComponent*>(component);
        if (!camera) {
            return false;
        }

        int projectionType = static_cast<int>(camera->GetProjectionType());
        const char* projectionLabels[] = { "Perspective", "Orthographic" };
        bool changed = false;
        if (ImGui::Combo("Projection", &projectionType, projectionLabels, 2)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetProjectionType(static_cast<::XCEngine::Components::CameraProjectionType>(projectionType));
            changed = true;
        }

        if (camera->GetProjectionType() == ::XCEngine::Components::CameraProjectionType::Perspective) {
            float fieldOfView = camera->GetFieldOfView();
            if (UI::DrawSliderFloat("Field Of View", fieldOfView, 1.0f, 179.0f, 100.0f, "%.1f")) {
                if (undoManager) {
                    undoManager->BeginInteractiveChange("Modify Camera");
                }
                camera->SetFieldOfView(fieldOfView);
                changed = true;
            }
        } else {
            float orthographicSize = camera->GetOrthographicSize();
            if (UI::DrawFloat("Orthographic Size", orthographicSize, 100.0f, 0.1f, 0.001f)) {
                if (undoManager) {
                    undoManager->BeginInteractiveChange("Modify Camera");
                }
                camera->SetOrthographicSize(orthographicSize);
                changed = true;
            }
        }

        float nearClip = camera->GetNearClipPlane();
        if (UI::DrawFloat("Near Clip", nearClip, 100.0f, 0.01f, 0.001f)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetNearClipPlane(nearClip);
            changed = true;
        }

        float farClip = camera->GetFarClipPlane();
        if (UI::DrawFloat("Far Clip", farClip, 100.0f, 0.1f, nearClip + 0.001f)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetFarClipPlane(farClip);
            changed = true;
        }

        float depth = camera->GetDepth();
        if (UI::DrawFloat("Depth", depth, 100.0f, 0.1f)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetDepth(depth);
            changed = true;
        }

        bool primary = camera->IsPrimary();
        if (UI::DrawBool("Primary", primary)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetPrimary(primary);
            changed = true;
        }

        float clearColor[4] = {
            camera->GetClearColor().r,
            camera->GetClearColor().g,
            camera->GetClearColor().b,
            camera->GetClearColor().a
        };
        if (UI::DrawColor4("Clear Color", clearColor)) {
            if (undoManager) {
                undoManager->BeginInteractiveChange("Modify Camera");
            }
            camera->SetClearColor(::XCEngine::Math::Color(clearColor[0], clearColor[1], clearColor[2], clearColor[3]));
            changed = true;
        }

        return changed;
    }

    bool CanAddTo(::XCEngine::Components::GameObject* gameObject) const override {
        return gameObject && !gameObject->GetComponent<::XCEngine::Components::CameraComponent>();
    }

    const char* GetAddDisabledReason(::XCEngine::Components::GameObject* gameObject) const override {
        if (!gameObject) {
            return "Invalid";
        }
        return gameObject->GetComponent<::XCEngine::Components::CameraComponent>() ? "Already Added" : nullptr;
    }

    bool CanRemove(::XCEngine::Components::Component* component) const override {
        return CanEdit(component);
    }
};

} // namespace Editor
} // namespace XCEngine