#include "UI.hpp"

#include "Model/Workflow.hpp"
#include "Model/WorkflowNodes.hpp"
#include "UI/Localization.hpp"

#include <imgui.h>
#include <memory>
#include <vector>

namespace {
class WorkflowCreationMenu {
private:
	using WorkflowNodeConstructor = std::unique_ptr<WorkflowNode> (*)();

	struct Candidate {
		WorkflowNodeConstructor Constructor;
	};

	std::vector<Candidate> mCandidates;

public:
	WorkflowCreationMenu() {
		SetupCandidates();
	}

private:
	void SetupCandidates() {
		mCandidates.push_back(Candidate{
			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<NumericOperationNode>(NumericOperationNode::Addition); },
		});

		mCandidates.push_back(Candidate{
			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<NumericOperationNode>(NumericOperationNode::Subtraction); },
		});

		mCandidates.push_back(Candidate{
			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<NumericOperationNode>(NumericOperationNode::Multiplication); },
		});

		mCandidates.push_back(Candidate{
			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<NumericOperationNode>(NumericOperationNode::Division); },
		});

//		mCandidates.push_back(Candidate{
//			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<NumericExpressionNode>(); },
//		});

		mCandidates.push_back(Candidate{
			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<TextFormatterNode>(); },
		});

//		mCandidates.push_back(Candidate{
//			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<DocumentTemplateExpansionNode>(); },
//		});

//		mCandidates.push_back(Candidate{
//			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<FormInputNode>(); },
//		});

//		mCandidates.push_back(Candidate{
//			.Constructor = []() -> std::unique_ptr<WorkflowNode> { return std::make_unique<DatabaseRowsInputNode>(); },
//		});
	}
};

class WorkflowUI {
private:
	Workflow* mWorkflow;

public:
	void Draw() {
	}
};
} // namespace

void UI::WorkflowsTab() {
	// TODO
}