package models

import (
	"time"

	"gorm.io/gorm"
)

// Material 素材表模型
type Material struct {
	ID           int64  `gorm:"primaryKey;autoIncrement;column:id"`
	OssKey       string `gorm:"type:varchar(255);not null;uniqueIndex;column:oss_key"`
	OriginalName string `gorm:"type:varchar(255);not null;column:original_name"`
	FileSize     int64  `gorm:"not null;column:file_size"`
	MimeType     string `gorm:"type:varchar(100);not null;column:mime_type"`
	Width        *int   `gorm:"column:width"`
	Height       *int   `gorm:"column:height"`
	Hash         string `gorm:"type:varchar(64);not null;index;column:hash"`
	CreatedBy    int64  `gorm:"not null;index;column:created_by"`
	StarID       int64  `gorm:"not null;index;column:star_id"`
	CreatedAt    int64  `gorm:"not null;column:created_at"`
	UpdatedAt    int64  `gorm:"not null;column:updated_at"`
	DeletedAt    *int64 `gorm:"index;column:deleted_at"`
}

func (Material) TableName() string { return "materials" }

func (m *Material) BeforeCreate(tx *gorm.DB) error {
	now := time.Now().UnixMilli()
	m.CreatedAt = now
	m.UpdatedAt = now
	return nil
}

func (m *Material) BeforeUpdate(tx *gorm.DB) error {
	m.UpdatedAt = time.Now().UnixMilli()
	return nil
}

// AssetMaterialRelation 资产-素材关联表模型
type AssetMaterialRelation struct {
	ID           int64    `gorm:"primaryKey;autoIncrement;column:id"`
	AssetID      int64    `gorm:"not null;index:idx_amr_asset_id;column:asset_id"`
	MaterialID   int64    `gorm:"not null;index:idx_amr_material_id;column:material_id"`
	MaterialType string   `gorm:"type:varchar(50);not null;column:material_type"`
	LayerOrder   int      `gorm:"not null;default:0;column:layer_order"`
	PosX         *float64 `gorm:"column:pos_x"`
	PosY         *float64 `gorm:"column:pos_y"`
	Opacity      *float64 `gorm:"default:1.0;column:opacity"`
	Rotation     *float64 `gorm:"default:0;column:rotation"`
	ScaleX       *float64 `gorm:"default:1.0;column:scale_x"`
	ScaleY       *float64 `gorm:"default:1.0;column:scale_y"`
	Version      int      `gorm:"not null;default:1;column:version"`
	CreatedAt    int64    `gorm:"not null;column:created_at"`
	UpdatedAt    int64    `gorm:"not null;column:updated_at"`
	DeletedAt    *int64   `gorm:"index;column:deleted_at"`

	Asset    Asset    `gorm:"foreignKey:AssetID;references:ID;constraint:OnDelete:CASCADE"`
	Material Material `gorm:"foreignKey:MaterialID;references:ID;constraint:OnDelete:RESTRICT"`
}

func (AssetMaterialRelation) TableName() string { return "asset_material_relations" }