package models

import (
	"time"

	"gorm.io/gorm"
)

type Lottery struct {
	ID                   uint           `gorm:"primaryKey" json:"id"`
	Name                 string         `gorm:"size:100;not null" json:"name"`
	Description          string         `json:"description"`
	StartTime            time.Time      `json:"start_time"`
	EndTime              time.Time      `json:"end_time"`
	Cycle                string         `gorm:"size:20" json:"cycle"`
	DailyQuota           *int           `json:"daily_quota"`
	TotalQuota           *int           `json:"total_quota"`
	RegistrationValidity *int           `json:"registration_validity"`
	IsActive             bool           `gorm:"default:true" json:"is_active"`
	CreatedAt            time.Time      `json:"created_at"`
	UpdatedAt            time.Time      `json:"updated_at"`
	DeletedAt            gorm.DeletedAt `gorm:"index" json:"-"`
	Prizes               []LotteryPrize `json:"prizes,omitempty"`
}

func (Lottery) TableName() string {
	return "lotteries"
}

type LotteryPrize struct {
	ID            uint   `gorm:"primaryKey" json:"id"`
	LotteryID     uint   `gorm:"index;not null" json:"lottery_id"`
	Name          string `gorm:"size:100;not null" json:"name"`
	Type          string `gorm:"size:20;not null" json:"type"`
	Quantity      int    `gorm:"not null" json:"quantity"`
	Weight        int    `gorm:"default:1" json:"weight"`
	CreditReward  *int   `json:"credit_reward"`
	DrawMode      string `gorm:"size:20;default:'random'" json:"draw_mode"`
}

func (LotteryPrize) TableName() string {
	return "lottery_prizes"
}

type LotteryParticipant struct {
	ID             uint      `gorm:"primaryKey" json:"id"`
	LotteryID      uint      `gorm:"index;not null" json:"lottery_id"`
	UserID         uint      `gorm:"index;not null" json:"user_id"`
	PurchaseWeight int       `gorm:"default:0" json:"purchase_weight"`
	RegisteredAt   time.Time `json:"registered_at"`
}

func (LotteryParticipant) TableName() string {
	return "lottery_participants"
}

type LotteryWinner struct {
	ID        uint      `gorm:"primaryKey" json:"id"`
	LotteryID uint      `gorm:"index;not null" json:"lottery_id"`
	PrizeID   uint      `gorm:"index;not null" json:"prize_id"`
	UserID    uint      `gorm:"index;not null" json:"user_id"`
	DrawnAt   time.Time `json:"drawn_at"`
}

func (LotteryWinner) TableName() string {
	return "lottery_winners"
}

const (
	PrizeTypePhysical = "physical"
	PrizeTypeVirtual  = "virtual"
	PrizeTypeCredit   = "credit"

	DrawModeRandom  = "random"
	DrawModeWeight  = "weight"

	CycleDaily   = "daily"
	CycleWeekly  = "weekly"
	CycleMonthly = "monthly"
)