#pragma once

#include <event/event_bus.h>

#define E2D_EVENT_BUS_NAME_(n) n##_Bus

/**
 * @brief 声明事件总线
 */
#define DECLARE_EVENT_BUS(BusName)                                             \
  struct BusName##_Bus {                                                       \
    static constexpr const char *NAME = #BusName;                              \
  };

/**
 * @brief 声明无参数事件
 */
#define DECLARE_EVENT_0(EventName, BusName)                                    \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName)> {           \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit() { ::extra2d::event::broadcast<EventName>(); }           \
  };

/**
 * @brief 声明单参数事件
 */
#define DECLARE_EVENT_1(EventName, BusName, Arg0)                              \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0> {     \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0) {                                              \
      ::extra2d::event::broadcast<EventName>(arg0);                            \
    }                                                                          \
  };

/**
 * @brief 声明双参数事件
 */
#define DECLARE_EVENT_2(EventName, BusName, Arg0, Arg1)                        \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0,       \
                                     Arg1> {                                   \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1) {                                   \
      ::extra2d::event::broadcast<EventName>(arg0, arg1);                      \
    }                                                                          \
  };

/**
 * @brief 声明三参数事件
 */
#define DECLARE_EVENT_3(EventName, BusName, Arg0, Arg1, Arg2)                  \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2> {                                   \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2) {                        \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2);                \
    }                                                                          \
  };

/**
 * @brief 声明四参数事件
 */
#define DECLARE_EVENT_4(EventName, BusName, Arg0, Arg1, Arg2, Arg3)            \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2, Arg3> {                             \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2, Arg3 arg3) {             \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2, arg3);          \
    }                                                                          \
  };

/**
 * @brief 声明五参数事件
 */
#define DECLARE_EVENT_5(EventName, BusName, Arg0, Arg1, Arg2, Arg3, Arg4)      \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2, Arg3, Arg4> {                       \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4) {  \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2, arg3, arg4);    \
    }                                                                          \
  };

/**
 * @brief 声明六参数事件
 */
#define DECLARE_EVENT_6(EventName, BusName, Arg0, Arg1, Arg2, Arg3, Arg4,      \
                        Arg5)                                                  \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2, Arg3, Arg4, Arg5> {                 \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4,    \
                     Arg5 arg5) {                                              \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2, arg3, arg4,     \
                                             arg5);                            \
    }                                                                          \
  };

/**
 * @brief 声明七参数事件
 */
#define DECLARE_EVENT_7(EventName, BusName, Arg0, Arg1, Arg2, Arg3, Arg4,      \
                        Arg5, Arg6)                                            \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2, Arg3, Arg4, Arg5, Arg6> {           \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4,    \
                     Arg5 arg5, Arg6 arg6) {                                   \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2, arg3, arg4,     \
                                             arg5, arg6);                      \
    }                                                                          \
  };

/**
 * @brief 声明八参数事件
 */
#define DECLARE_EVENT_8(EventName, BusName, Arg0, Arg1, Arg2, Arg3, Arg4,      \
                        Arg5, Arg6, Arg7)                                      \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName), Arg0, Arg1, \
                                     Arg2, Arg3, Arg4, Arg5, Arg6, Arg7> {     \
    using Listener = ::extra2d::event::Listener<EventName>;                    \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(Arg0 arg0, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4,    \
                     Arg5 arg5, Arg6 arg6, Arg7 arg7) {                        \
      ::extra2d::event::broadcast<EventName>(arg0, arg1, arg2, arg3, arg4,     \
                                             arg5, arg6, arg7);                \
    }                                                                          \
  };

/**
 * @brief 声明模板事件（支持任意配置类型）
 * @param EventName 事件名称
 * @param BusName 总线名称
 * 
 * 使用示例：
 *   DECLARE_EVENT_T(OnModuleInit, Engine)
 *   
 *   // 发送事件
 *   OnModuleInit::emit<MyConfig>(myConfig);
 *   
 *   // 监听事件
 *   OnModuleInit::subscribe(this, &MyModule::onInit);
 */
#define DECLARE_EVENT_T(EventName, BusName)                                    \
  template <typename ConfigT>                                                  \
  struct EventName                                                             \
      : ::extra2d::event::EventTrait<E2D_EVENT_BUS_NAME_(BusName),             \
                                     const ConfigT &> {                        \
    using Listener = ::extra2d::event::Listener<EventName<ConfigT>>;           \
    static constexpr const char *NAME = #EventName;                            \
    static constexpr const char *BUS_NAME =                                    \
        E2D_EVENT_BUS_NAME_(BusName)::NAME;                                    \
    static void emit(const ConfigT &config) {                                  \
      ::extra2d::event::broadcast<EventName<ConfigT>>(config);                 \
    }                                                                          \
  };