// Adapted from https://github.com/patrickcjk/imgui-notify
#pragma once

#include <imgui.h>
#include <cstdint>

enum ImGuiToastType {
	ImGuiToastType_None,
	ImGuiToastType_Success,
	ImGuiToastType_Warning,
	ImGuiToastType_Error,
	ImGuiToastType_Info,
	ImGuiToastType_COUNT
};

enum ImGuiToastPhase {
	ImGuiToastPhase_FadeIn,
	ImGuiToastPhase_Wait,
	ImGuiToastPhase_FadeOut,
	ImGuiToastPhase_Expired,
	ImGuiToastPhase_COUNT
};

enum ImGuiToastPos {
	ImGuiToastPos_TopLeft,
	ImGuiToastPos_TopCenter,
	ImGuiToastPos_TopRight,
	ImGuiToastPos_BottomLeft,
	ImGuiToastPos_BottomCenter,
	ImGuiToastPos_BottomRight,
	ImGuiToastPos_Center,
	ImGuiToastPos_COUNT
};

constexpr int kNotifyMaxMsgLength = 4096; // Max message content length
constexpr float kNotifyPaddingX = 20.0f; // Bottom-left X padding
constexpr float kNotifyPaddingY = 20.0f; // Bottom-left Y padding
constexpr float kNotifyPaddingMessageY = 10.0f; // Padding Y between each message
constexpr uint64_t kNotifyFadeInOutTime = 150; // Fade in and out duration
constexpr uint64_t kNotifyDefaultDismiss = 3000; // Auto dismiss after X ms (default, applied only of no data provided in constructors)
constexpr float kNotifyOpacity = 1.0f; // 0-1 Toast opacity
constexpr ImGuiWindowFlags kNotifyToastFlags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoFocusOnAppearing;

class ImGuiToast {
private:
	ImGuiToastType mType = ImGuiToastType_None;
	char mTitle[kNotifyMaxMsgLength] = {};
	char mContent[kNotifyMaxMsgLength] = {};
	int mDismissTime = kNotifyDefaultDismiss;
	uint64_t mCreationTime = 0;

public:
	ImGuiToast(ImGuiToastType type, int dismissTime = kNotifyDefaultDismiss);
	ImGuiToast(ImGuiToastType type, const char* format, ...);
	ImGuiToast(ImGuiToastType type, int dismissTime, const char* format, ...);

	void SetTitle(const char* format, ...);
	void SetContent(const char* format, ...);
	void SetType(const ImGuiToastType& type);

	const char* GetTitle();
	const char* GetDefaultTitle();
	ImGuiToastType GetType();
	ImVec4 GetColor();
	const char* GetIcon();
	const char* GetContent();
	;
	uint64_t GetElapsedTime();
	ImGuiToastPhase GetPhase();
	float GetFadePercent();

private:
	void SetTitle(const char* format, va_list args);
	void SetContent(const char* format, va_list args);
};

namespace ImGui {
void AddNotification(ImGuiToast toast);
void RemoveNotification(int index);
void ShowNotifications();
} // namespace ImGui