package models

import (
    "time"
    "gorm.io/gorm"
    "github.com/google/uuid"
)

// Base contains common columns for all tables.
type Base struct {
    UUID      uuid.UUID         `json:"uuid"        gorm:"type:uuid;primarykey"`
    CreatedAt time.Time         `json:"created_at"`
    UpdatedAt time.Time         `json:"updated_at"`
    DeletedAt gorm.DeletedAt    `json:"deleted_at"  gorm:"index"`
}

func (base *Base) BeforeCreate(tx *gorm.DB) (err error) {
    base.UUID = uuid.New()
    return
}

type ServerSetting struct {
    Base
    Name        string  `json:"name"        gorm:"not null"`
    Description string  `json:"description" gorm:"not null"`
    Value       string  `json:"value"       gorm:"not null"`
}

type Device struct {
    Base
    User         User    `json:"user"   gorm:"ForeignKey:UUID;not null"` // User UUID
    Name         string  `json:"name"   gorm:"not null"`                 // Name of Device
    Type         string  `json:"type"   gorm:"not null"`                 // Android, iOS, Chrome, FireFox, Edge
    RefreshKey   string  `json:"-"`                                      // Device Specific Refresh Key
}

type User struct {
    Base
    Email           string  `json:"email"       gorm:"unique"`                 // Email
    Username        string  `json:"username"    gorm:"unique"`                 // Username
    FirstName       string  `json:"first_name"`                                // First Name
    LastName        string  `json:"last_name"`                                 // Last Name
    Role            string  `json:"role"`                                      // Role
    AuthType        string  `json:"auth_type"   gorm:"default:Local;not null"` // Auth Type (E.g. Local, LDAP)
    Password        string  `json:"-"`                                         // Hased & Salted Password
}

type MediaItem struct {
    Base
    User        User        `json:"user"        gorm:"ForeignKey:UUID;not null"` // User UUID
    EXIFDate    time.Time   `json:"exif_date"`                                   // EXIF Date
    Latitude    float32     `json:"latitude"    gorm:"type:decimal(10,2)"`       // Decimal Latitude
    Longitude   float32     `json:"longitude"   gorm:"type:decimal(10,2)"`       // Decimal Longitude
    MediaType   string      `json:"media_type"  gorm:"default:Image;not null"`   // Image, Video
    OrigName    string      `json:"orig_name"   gorm:"not null"`                 // Original Name
    FileName    string      `json:"file_name"   gorm:"not null"`                 // File Name
    Tags        []Tag       `json:"tags"        gorm:"many2many:media_tags;"`    // Associated Tag UUIDs
    Albums      []Album     `json:"albums"      gorm:"many2many:media_albums;"`  // Associated Album UUIDs
}

type Tag struct {
    Base
    Name        string  `json:"name"    gorm:"not null"` // Tag Name
}

type Album struct {
    Base
    Name        string  `json:"name"    gorm:"not null"` // Album Name
}