package wire

import (
	"carrot_bbs/internal/cache"
	"carrot_bbs/internal/handler"
	"carrot_bbs/internal/pkg/sse"
	"carrot_bbs/internal/repository"
	"carrot_bbs/internal/service"

	"github.com/google/wire"
)

// HandlerSet Handler 层 Provider Set
var HandlerSet = wire.NewSet(
	// 直接使用构造函数的 Handler
	handler.NewCommentHandler,
	handler.NewNotificationHandler,
	handler.NewUploadHandler,
	handler.NewPushHandler,
	handler.NewStickerHandler,
	handler.NewVoteHandler,
	handler.NewChannelHandler,
	handler.NewRoleHandler,
	handler.NewAdminUserHandler,
	handler.NewAdminPostHandler,
	handler.NewAdminCommentHandler,
	handler.NewAdminGroupHandler,
	handler.NewAdminDashboardHandler,
	handler.NewAdminLogHandler,
	handler.NewQRCodeHandler,

	// 需要特殊处理的 Handler
	ProvideUserHandler,
	ProvidePostHandler,
	ProvideMessageHandler,
	ProvideSystemMessageHandler,
	ProvideGroupHandler,
	ProvideScheduleHandler,
)

// ProvideUserHandler 提供用户处理器
func ProvideUserHandler(
	userService service.UserService,
	activityService service.UserActivityService,
	postService service.PostService,
	commentService *service.CommentService,
	logService *service.LogService,
) *handler.UserHandler {
	h := handler.NewUserHandler(userService, activityService)
	h.SetLogService(logService)

	// 同时设置到其他服务
	if ps, ok := postService.(interface{ SetLogService(*service.LogService) }); ok {
		ps.SetLogService(logService)
	}
	if commentService != nil {
		commentService.SetLogService(logService)
	}

	return h
}

// ProvidePostHandler 提供帖子处理器
func ProvidePostHandler(
	postService service.PostService,
	userService service.UserService,
	logService *service.LogService,
) *handler.PostHandler {
	h := handler.NewPostHandler(postService, userService)
	if ps, ok := postService.(interface{ SetLogService(*service.LogService) }); ok {
		ps.SetLogService(logService)
	}
	return h
}

// ProvideAdminPostHandler 提供管理端帖子处理器
func ProvideAdminPostHandler(
	postService service.AdminPostService,
	logService *service.LogService,
) *handler.AdminPostHandler {
	h := handler.NewAdminPostHandler(postService)
	if ps, ok := postService.(interface{ SetLogService(*service.LogService) }); ok {
		ps.SetLogService(logService)
	}
	return h
}

// ProvideMessageHandler 提供消息处理器
func ProvideMessageHandler(
	chatService service.ChatService,
	messageService *service.MessageService,
	userService service.UserService,
	groupService service.GroupService,
	sseHub *sse.Hub,
) *handler.MessageHandler {
	return handler.NewMessageHandler(chatService, messageService, userService, groupService, sseHub)
}

// ProvideSystemMessageHandler 提供系统消息处理器
func ProvideSystemMessageHandler(
	systemMsgService service.SystemMessageService,
	systemNotificationRepo *repository.SystemNotificationRepository,
	cacheBackend cache.Cache,
) *handler.SystemMessageHandler {
	return handler.NewSystemMessageHandler(systemMsgService, systemNotificationRepo, cacheBackend)
}

// ProvideGroupHandler 提供群组处理器
func ProvideGroupHandler(
	groupService service.GroupService,
	userService service.UserService,
) *handler.GroupHandler {
	return handler.NewGroupHandler(groupService, userService)
}

// ProvideScheduleHandler 提供课表处理器
func ProvideScheduleHandler(
	scheduleService service.ScheduleService,
	scheduleSyncService service.ScheduleSyncService,
) *handler.ScheduleHandler {
	return handler.NewScheduleHandler(scheduleService, scheduleSyncService)
}