package model

import (
	"time"

	"gorm.io/gorm"
)

// 广告类型与状态
const (
	AdKindImage = "image"
	AdKindText  = "text"

	AdStatusPending  = "pending"
	AdStatusActive   = "active"
	AdStatusRejected = "rejected"
	AdStatusExpired  = "expired"
)

// Ad 赞助广告（游客可申购，管理员审核后展示于首页侧栏）
type Ad struct {
	ID            uint           `gorm:"primaryKey" json:"id"`
	Kind          string         `gorm:"size:16;not null;index" json:"kind"`     // image | text
	Status        string         `gorm:"size:16;not null;index" json:"status"`   // pending/active/rejected/expired
	ContactEmail  string         `gorm:"size:128;not null" json:"contact_email"`
	LinkURL       string         `gorm:"size:512;not null" json:"link_url"`
	ImageURL      string         `gorm:"size:512" json:"image_url"` // 图片广告
	Title         string         `gorm:"size:64" json:"title"`      // 文字广告
	TextColor     string         `gorm:"size:16" json:"text_color"`
	BgColor       string         `gorm:"size:16" json:"bg_color"`
	DurationDays  int            `gorm:"not null" json:"duration_days"`
	PaymentID     string         `gorm:"size:64;not null" json:"payment_id"`
	BuyerNote     string         `gorm:"size:200" json:"buyer_note"`
	StartsAt      *time.Time     `json:"starts_at"`
	EndsAt        *time.Time     `json:"ends_at"`
	RejectReason  string         `gorm:"size:200" json:"reject_reason"`
	SortOrder     int            `gorm:"not null;default:0" json:"sort_order"`
	SubmitIP      string         `gorm:"size:45" json:"-"`
	ReviewedAt    *time.Time     `json:"reviewed_at"`
	ReviewedBy    *uint          `json:"reviewed_by"`
	CreatedAt     time.Time      `json:"created_at"`
	UpdatedAt     time.Time      `json:"updated_at"`
	DeletedAt     gorm.DeletedAt `gorm:"index" json:"-"`
}