package models

import (
	"time"

	"github.com/google/uuid"
	"gorm.io/gorm"
)

// LiveStream represents a live stream metadata record
type LiveStream struct {
	ID           uuid.UUID      `gorm:"type:uuid;primaryKey" json:"id" db:"id"`
	UserID       uuid.UUID      `gorm:"type:uuid;not null" json:"user_id" db:"user_id"`
	Title        string         `gorm:"size:200;not null" json:"title" db:"title"`
	Description  string         `gorm:"type:text" json:"description" db:"description"`
	Category     string         `gorm:"size:100" json:"category" db:"category"`
	ThumbnailURL string         `gorm:"size:500" json:"thumbnailUrl" db:"thumbnail_url"`
	StreamKey    string         `gorm:"size:100" json:"-" db:"stream_key"`
	StreamerName string         `gorm:"size:100" json:"streamer" db:"streamer_name"`
	IsLive       bool           `gorm:"default:false" json:"isLive" db:"is_live"`
	StartedAt    *time.Time     `json:"startedAt" db:"started_at"`
	EndedAt      *time.Time     `json:"endedAt" db:"ended_at"`
	ViewerCount  int            `gorm:"default:0" json:"viewers" db:"viewer_count"`
	Tags         []string       `gorm:"serializer:json;default:'[]'" json:"tags" db:"tags"`
	ScheduledAt  *time.Time     `json:"scheduled_at,omitempty" db:"scheduled_at"`
	StreamURL    string         `gorm:"type:text;default:''" json:"stream_url,omitempty" db:"stream_url"`
	IsVOD        bool           `gorm:"default:false" json:"is_vod" db:"is_vod"`
	CreatedAt    time.Time      `gorm:"autoCreateTime" json:"created_at" db:"created_at"`
	UpdatedAt    time.Time      `gorm:"autoUpdateTime" json:"updated_at" db:"updated_at"`
	DeletedAt    gorm.DeletedAt `json:"-" db:"deleted_at"`

	User *User `gorm:"foreignKey:UserID;constraint:OnDelete:CASCADE" json:"-"`
}

// TableName defines the table name for GORM
func (LiveStream) TableName() string {
	return "live_streams"
}

// BeforeCreate hook for GORM to generate UUID
func (m *LiveStream) BeforeCreate(tx *gorm.DB) error {
	if m.ID == uuid.Nil {
		m.ID = uuid.New()
	}
	return nil
}