#include "NotifyLayer.h"
#include <SDL3/SDL.h>
#include "../ManagementContext/StyleManagmentContext.h"

void NotifyAppLayer::OnActivate()
{
    isActive = true;
}
void NotifyAppLayer::OnDeactivate()
{
    isActive = false;
}
void NotifyAppLayer::OnRender()
{
    if (secondsLeft <= 0.0) {
        return;
    }
    secondsLeft -= (SDL_GetTicks() - startTime) / 1000.0;
    startTime = SDL_GetTicks();
    const float paddingHorizontal = 16.0f;
    const float paddingVertical = 8.0f;
    float gray = secondsLeft > 0.5 ? 0.5f : secondsLeft;
    StyleManagmentContext::Push(NOTIFY);
    ImGui::PushStyleColor(ImGuiCol_Border, ImVec4(0.25f, 0.25f, 0.25f, gray));


    const ImGuiViewport* viewport = ImGui::GetMainViewport();
    ImVec2 work_pos = viewport->WorkPos;
    ImVec2 work_size = viewport->WorkSize;
    ImVec2 window_pos;
    ImVec2 messageSize = ImGui::CalcTextSize(message.c_str());

    float messageWidth = messageSize.x + paddingHorizontal * 2;

    window_pos.x = work_pos.x + (work_size.x / 2) - (messageWidth / 2);
    window_pos.y = work_pos.y + 8 + messageSize.y + (paddingVertical * 2);
    ImGui::SetNextWindowPos((window_pos), 0, ImVec2(0.0f, 1.0f));
    ImGui::SetNextWindowBgAlpha(secondsLeft > 0.5 ? 0.5f : secondsLeft);

    ImGui::Begin("Notification", (bool*)NULL, ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove);
    ImGui::Text("%s", message.c_str());
    ImGui::End();

    ImGui::PopStyleColor();
    StyleManagmentContext::Pop();
}

void NotifyAppLayer::SetMessage(std::string message, double seconds)
{
    NotifyAppLayer::message = message;
    secondsLeft = seconds;
    startTime = SDL_GetTicks();
}

std::string NotifyAppLayer::message;
double NotifyAppLayer::secondsLeft = 0.0;
long int NotifyAppLayer::startTime = 0;