#include "ConsolePanel.h"
#include "Core/EditorConsoleSink.h"
#include "UI/Core.h"
#include "UI/PanelChrome.h"
#include <XCEngine/Debug/LogCategory.h>
#include <XCEngine/Debug/Logger.h>
#include <imgui.h>

namespace XCEngine {
namespace Editor {

namespace {

constexpr float kConsoleToolbarHeight = 34.0f;

} // namespace

ConsolePanel::ConsolePanel() : Panel("Console") {
}

void ConsolePanel::Render() {
    UI::PanelWindowScope panel(m_name.c_str());
    if (!panel.IsOpen()) {
        return;
    }

    auto* sink = Debug::EditorConsoleSink::GetInstance();

    {
        UI::PanelToolbarScope toolbar("ConsoleToolbar", kConsoleToolbarHeight);
        if (toolbar.IsOpen()) {
            if (UI::ToolbarButton("Clear")) {
                sink->Clear();
            }
            ImGui::SameLine();

            ImGui::TextDisabled("Filter");
            ImGui::SameLine();
            if (UI::ToolbarButton("Info", m_showInfo)) {
                m_showInfo = !m_showInfo;
            }
            ImGui::SameLine();
            if (UI::ToolbarButton("Warn", m_showWarning)) {
                m_showWarning = !m_showWarning;
            }
            ImGui::SameLine();
            if (UI::ToolbarButton("Error", m_showError)) {
                m_showError = !m_showError;
            }
        }
    }

    UI::PanelContentScope content("LogScroll", UI::DefaultPanelContentPadding(), ImGuiWindowFlags_HorizontalScrollbar);
    if (!content.IsOpen()) {
        return;
    }
    
    const auto logs = sink->GetLogs();
    size_t logIndex = 0;
    for (const auto& log : logs) {
        bool shouldShow = false;
        switch (log.level) {
            case ::XCEngine::Debug::LogLevel::Info:
            case ::XCEngine::Debug::LogLevel::Verbose:
            case ::XCEngine::Debug::LogLevel::Debug:
                shouldShow = m_showInfo;
                break;
            case ::XCEngine::Debug::LogLevel::Warning:
                shouldShow = m_showWarning;
                break;
            case ::XCEngine::Debug::LogLevel::Error:
            case ::XCEngine::Debug::LogLevel::Fatal:
                shouldShow = m_showError;
                break;
        }
        
        if (!shouldShow) {
            continue;
        }
        
        const char* prefix;
        
        switch (log.level) {
            case ::XCEngine::Debug::LogLevel::Verbose:
            case ::XCEngine::Debug::LogLevel::Debug:
            case ::XCEngine::Debug::LogLevel::Info:
                prefix = "[INFO] ";
                break;
            case ::XCEngine::Debug::LogLevel::Warning:
                prefix = "[WARN] ";
                break;
            case ::XCEngine::Debug::LogLevel::Error:
            case ::XCEngine::Debug::LogLevel::Fatal:
                prefix = "[ERROR] ";
                break;
        }
        
        ImGui::PushID(static_cast<int>(logIndex));

        const char* category = ::XCEngine::Debug::LogCategoryToString(log.category);
        std::string fullMessage = std::string(prefix) + "[" + category + "] " + log.message.CStr();
        ImGui::TextUnformatted(fullMessage.c_str());

        if (ImGui::IsItemClicked()) {
            ImGui::SetClipboardText(fullMessage.c_str());
        }
        
        ImGui::PopID();
        logIndex++;
    }
    
}

}
}