// models/event.go
package models

import (
	"time"
)

type EventType string

const (
	EventTypeRace     EventType = "race"
	EventTypeTraining EventType = "training"
	EventTypeSocial   EventType = "social"
	EventTypeWorkshop EventType = "workshop"
)

type Event struct {
	ID                uint      `gorm:"primaryKey" json:"id"`
	Title             string    `gorm:"size:255;not null" json:"title" validate:"required,min=5,max=255"`
	Description       string    `gorm:"type:text;not null" json:"description" validate:"required,min=10"`
	Date              time.Time `gorm:"not null" json:"date" validate:"required"`
	Location          string    `gorm:"size:255;not null" json:"location" validate:"required,max=255"`
	Type              EventType `gorm:"size:50;not null" json:"type" validate:"required,oneof=race training social workshop"`
	Distance          string    `gorm:"size:50" json:"distance" validate:"max=50"`
	ParticipantsCount int       `gorm:"default:0" json:"participants_count"`
	MaxParticipants   int       `gorm:"default:0" json:"max_participants" validate:"min=0"`
	RegistrationOpen  bool      `gorm:"default:true" json:"registration_open"`
	Image             string    `gorm:"size:500" json:"image" validate:"max=500"`
	CreatedAt         time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt         time.Time `gorm:"autoUpdateTime" json:"updated_at"`

	// Связи
	Registrations []EventRegistration `gorm:"foreignKey:EventID" json:"registrations,omitempty"`
}

type EventRegistration struct {
	ID         uint      `gorm:"primaryKey" json:"id"`
	UserID     uint      `gorm:"not null" json:"user_id"`
	EventID    uint      `gorm:"not null" json:"event_id"`
	Status     string    `gorm:"size:50;default:pending" json:"status" validate:"oneof=pending confirmed cancelled completed"`
	Notes      string    `gorm:"type:text" json:"notes" validate:"max=500"`
	ResultTime string    `gorm:"size:20" json:"result_time" validate:"max=20"`
	CreatedAt  time.Time `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt  time.Time `gorm:"autoUpdateTime" json:"updated_at"`

	// Связи
	User  User  `gorm:"foreignKey:UserID" json:"user,omitempty"`
	Event *Event `gorm:"foreignKey:EventID" json:"event,omitempty"`
}