//
// Created by grimmauld on 08.03.24.
//

#ifndef SWAYMUX_SWITCHTOKEYBINDLISTENER_H
#define SWAYMUX_SWITCHTOKEYBINDLISTENER_H

#include <QTreeView>
#include <iostream>
#include "AbstractKeyListener.h"
#include "../tree/SwayTreeModel.h"
#include "../sway_bindings/swayoutputs.h"

class SwitchToKeybindListener : public AbstractKeyListener {
public:
    explicit SwitchToKeybindListener(SwayTreeModel *swayTreeModel, QTreeView *treeView) : swayTreeModel(
            swayTreeModel), treeView(treeView) {}

    void handleKeyEvent(const QKeyEvent *keyEvent) const override {
        auto *root = swayTreeModel->getRoot();
        if (root == nullptr)
            return;

        Formatter cmd;
        auto selectedNodes = swayTreeModel->getSelectedNodes(treeView);
        if (selectedNodes.empty())
            return;

        auto availableOutputs = SwayOutputList(SwayTreeModel::sway);
        if (selectedNodes.size() == 1) {
            auto *selected = *selectedNodes.begin();
            if (availableOutputs.isOutputValid(selected->findOutput())) {
                switch (selected->node.type) {
                    case NodeType::output:
                        cmd << "focus output " << selected->node.name;
                        break;
                    case NodeType::workspace:
                        cmd << "workspace " << selected->node.name;
                        break;
                    case NodeType::con:
                    case NodeType::floating_con:
                        cmd << "[con_id=" << selected->node.id << "] focus";
                        break;
                    case NodeType::root:
                        return; // this should never happen! isOutputValid should guard against this.
                }
                std::cout << cmd.str() << "\n";
                auto resp = SwayTreeModel::sway.sendIPC(swaymsg(0, cmd.str()));
                std::cout << resp.msg << "\n";
                QApplication::quit();
                return;
            }
        }

        auto used_workspaces = root->accumulateWorkspaces();
        int newWorkspace = 1; // workspace 1 is the first one. We don't expect our users to be programmers.
        for (; used_workspaces.contains(std::to_string(newWorkspace)); ++newWorkspace) {}


        std::set<int> containersToMove;
        for (auto* container: selectedNodes) {
            auto containers = container->accumulateContainers();
            for (auto* containerToMove : container->accumulateContainers()) {
                containersToMove.insert(containerToMove->node.id);
            }
        }

        if (containersToMove.empty())
            return;

        for (auto id: containersToMove) {
            cmd << "[con_id=" << id << "] move container workspace " << newWorkspace << " ; ";
        }

        cmd << "workspace number " << newWorkspace;

        std::cout << cmd.str() << "\n";
        auto resp = SwayTreeModel::sway.sendIPC(swaymsg(0, cmd.str()));
        std::cout << resp.msg << "\n";
        QApplication::quit();
    }

    const std::string getDescription() override {
        return "Switch to selected container(s)";
    }

    const std::string getKeyText() override {
        return "Enter";
    }

    [[nodiscard]] bool canAcceptKey(int key) const override {
        return key == Qt::Key_Enter || key == Qt::Key_Return;
    }

private:
    SwayTreeModel *swayTreeModel;
    QTreeView *treeView;
};


#endif //SWAYMUX_SWITCHTOKEYBINDLISTENER_H