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#pragma once

#include <memory>
#include <vector>
#include <unordered_map>
#include "WaylandProtocol.hpp"
#include "drm-lease-v1.hpp"
#include "../helpers/signal/Signal.hpp"

/*
    TODO: this protocol is not made for systems with multiple DRM nodes (e.g. multigpu)
*/

AQUAMARINE_FORWARD(CDRMBackend);
AQUAMARINE_FORWARD(CDRMLease);
class CDRMLeaseDeviceResource;
class CMonitor;
class CDRMLeaseProtocol;
class CDRMLeaseConnectorResource;
class CDRMLeaseRequestResource;

class CDRMLeaseResource {
  public:
    CDRMLeaseResource(SP<CWpDrmLeaseV1> resource_, SP<CDRMLeaseRequestResource> request);
    ~CDRMLeaseResource();

    bool                                        good();

    WP<CDRMLeaseDeviceResource>                 parent;
    std::vector<WP<CDRMLeaseConnectorResource>> requested;
    SP<Aquamarine::CDRMLease>                   lease;

    int                                         leaseFD = -1;

    struct {
        CHyprSignalListener destroyLease;
    } listeners;

  private:
    SP<CWpDrmLeaseV1> resource;
};

class CDRMLeaseRequestResource {
  public:
    CDRMLeaseRequestResource(SP<CWpDrmLeaseRequestV1> resource_);

    bool                                        good();

    WP<CDRMLeaseDeviceResource>                 parent;
    WP<CDRMLeaseRequestResource>                self;
    std::vector<WP<CDRMLeaseConnectorResource>> requested;

  private:
    SP<CWpDrmLeaseRequestV1> resource;
};

class CDRMLeaseConnectorResource {
  public:
    CDRMLeaseConnectorResource(SP<CWpDrmLeaseConnectorV1> resource_, SP<CMonitor> monitor_);
    static SP<CDRMLeaseConnectorResource> fromResource(wl_resource*);

    bool                                  good();
    void                                  sendData();

    WP<CDRMLeaseConnectorResource>        self;
    WP<CDRMLeaseDeviceResource>           parent;
    WP<CMonitor>                          monitor;
    bool                                  dead = false;

  private:
    SP<CWpDrmLeaseConnectorV1> resource;

    struct {
        CHyprSignalListener destroyMonitor;
    } listeners;

    friend class CDRMLeaseDeviceResource;
};

class CDRMLeaseDeviceResource {
  public:
    CDRMLeaseDeviceResource(SP<CWpDrmLeaseDeviceV1> resource_);

    bool                                        good();
    void                                        sendConnector(SP<CMonitor> monitor);

    std::vector<WP<CDRMLeaseConnectorResource>> connectorsSent;

    WP<CDRMLeaseDeviceResource>                 self;

  private:
    SP<CWpDrmLeaseDeviceV1> resource;

    friend class CDRMLeaseProtocol;
};

class CDRMLeaseDevice {
  public:
    CDRMLeaseDevice(SP<Aquamarine::CDRMBackend> drmBackend);

    std::string                 name    = "";
    bool                        success = false;
    SP<Aquamarine::CDRMBackend> backend;

    std::vector<WP<CMonitor>>   offeredOutputs;
};

class CDRMLeaseProtocol : public IWaylandProtocol {
  public:
    CDRMLeaseProtocol(const wl_interface* iface, const int& ver, const std::string& name);

    virtual void bindManager(wl_client* client, void* data, uint32_t ver, uint32_t id);

    void         offer(SP<CMonitor> monitor);

  private:
    void destroyResource(CDRMLeaseDeviceResource* resource);
    void destroyResource(CDRMLeaseConnectorResource* resource);
    void destroyResource(CDRMLeaseRequestResource* resource);
    void destroyResource(CDRMLeaseResource* resource);

    //
    std::vector<SP<CDRMLeaseDeviceResource>>    m_vManagers;
    std::vector<SP<CDRMLeaseConnectorResource>> m_vConnectors;
    std::vector<SP<CDRMLeaseRequestResource>>   m_vRequests;
    std::vector<SP<CDRMLeaseResource>>          m_vLeases;

    SP<CDRMLeaseDevice>                         primaryDevice;

    friend class CDRMLeaseDeviceResource;
    friend class CDRMLeaseConnectorResource;
    friend class CDRMLeaseRequestResource;
    friend class CDRMLeaseResource;
};

namespace PROTO {
    inline UP<CDRMLeaseProtocol> lease;
};