package model

import (
	"encoding/json"
	"time"

	"gorm.io/gorm"
)

// User represents a GoChat agent/admin user.
// Reference: Chatwoot app/models/user.rb + P2B M1 User spec
type User struct {
	ID                uint           `gorm:"primaryKey" json:"id"`
	Name              string         `gorm:"size:255;not null" json:"name"`
	Email             string         `gorm:"size:255;uniqueIndex;not null" json:"email"`
	PasswordDigest    string         `gorm:"size:255;not null" json:"-"`
	Provider          string         `gorm:"size:255;default:'email'" json:"provider"` // email/google/saml
	UID               string         `gorm:"size:255" json:"uid"`
	AvatarURL         string         `gorm:"size:512" json:"avatar_url"`
	Availability      string         `gorm:"size:50;default:'offline'" json:"availability"` // online/offline/busy
	AutoOffline       bool           `gorm:"default:false" json:"auto_offline"`
	Type              string         `gorm:"size:50;default:'user'" json:"type"` // user/super_admin
	Locale            string         `gorm:"size:10;default:'en'" json:"locale"`
	DisplayName       string         `gorm:"size:255" json:"display_name"`
	PhoneNumber       string         `gorm:"size:50" json:"phone_number"`
	ConfirmedAt       *time.Time     `json:"confirmed_at,omitempty"`
	LastSignInAt      *time.Time     `json:"last_sign_in_at,omitempty"`
	LastSignInIP      string         `gorm:"size:255" json:"last_sign_in_ip"`
	CurrentSignInIP   string         `gorm:"size:255" json:"current_sign_in_ip"`
	SignInCount       int            `gorm:"default:0" json:"sign_in_count"`
	TOTPSecret        string         `gorm:"size:255" json:"-"` // MFA
	TOTPEnabled       bool           `gorm:"default:false" json:"totp_enabled"`
	CustomAttributes  json.RawMessage `gorm:"type:jsonb" json:"custom_attributes"`
	CreatedAt         time.Time      `gorm:"autoCreateTime" json:"created_at"`
	UpdatedAt         time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
	DeletedAt         gorm.DeletedAt `gorm:"index" json:"deleted_at,omitempty"`

	AccountUsers   []AccountUser    `gorm:"foreignKey:UserID" json:"account_users,omitempty"`
	AssignedConvs  []Conversation   `gorm:"foreignKey:AssigneeID" json:"assigned_conversations,omitempty"`
}

func (User) TableName() string { return "users" }