package models

import (
	"gorm.io/gorm"
)

// UploadedFile represents a file uploaded to the server
type UploadedFile struct {
	gorm.Model
	Filename       string  `gorm:"not null" json:"filename"`
	FilePath       string  `gorm:"uniqueIndex;not null" json:"file_path"`
	FileURL        string  `gorm:"not null" json:"file_url"`
	FileSize       int64   `gorm:"default:0" json:"file_size"`
	MimeType       string  `json:"mime_type"`
	UploadedByID   *uint   `gorm:"index" json:"uploaded_by_id,omitempty"`
	UploadedBy     *User   `gorm:"foreignKey:UploadedByID" json:"uploaded_by,omitempty"`
	Usages         []FileUsage `gorm:"foreignKey:FileID" json:"usages,omitempty"`
}

// FileUsage tracks where a file is being used
type FileUsage struct {
	gorm.Model
	FileID     uint         `gorm:"not null;index" json:"file_id"`
	File       *UploadedFile `gorm:"foreignKey:FileID" json:"file,omitempty"`
	EntityType string       `gorm:"not null;index" json:"entity_type"` // article, player, sponsor, event, contact, settings
	EntityID   uint         `gorm:"not null;index" json:"entity_id"`
	FieldName  string       `json:"field_name"` // image_url, logo_url, attachments, etc.
}

// TableName specifies the table name for UploadedFile
func (UploadedFile) TableName() string {
	return "uploaded_files"
}

// TableName specifies the table name for FileUsage
func (FileUsage) TableName() string {
	return "file_usages"
}