package models

import (
	"time"
)

// UserSettings represents user preferences and settings
// Feature: accounting-feature-upgrade
// Validates: Requirements 5.4, 6.5, 8.25-8.27
type UserSettings struct {
	ID                   uint      `gorm:"primarykey" json:"id"`
	UserID               *uint     `gorm:"uniqueIndex" json:"user_id,omitempty"`
	PreciseTimeEnabled   bool      `gorm:"default:true" json:"precise_time_enabled"`
	IconLayout           string    `gorm:"size:10;default:'five'" json:"icon_layout"` // four, five, six
	ImageCompression     string    `gorm:"size:10;default:'medium'" json:"image_compression"` // low, medium, high
	ShowReimbursementBtn bool      `gorm:"default:true" json:"show_reimbursement_btn"`
	ShowRefundBtn        bool      `gorm:"default:true" json:"show_refund_btn"`
	CurrentLedgerID      *uint     `gorm:"index" json:"current_ledger_id,omitempty"`

	// Default account settings
	// Feature: financial-core-upgrade
	// Validates: Requirements 5.1, 5.2
	DefaultExpenseAccountID *uint `gorm:"index" json:"default_expense_account_id,omitempty"`
	DefaultIncomeAccountID  *uint `gorm:"index" json:"default_income_account_id,omitempty"`

	CreatedAt time.Time `json:"created_at"`
	UpdatedAt time.Time `json:"updated_at"`

	// Relationships
	DefaultExpenseAccount *Account `gorm:"foreignKey:DefaultExpenseAccountID" json:"default_expense_account,omitempty"`
	DefaultIncomeAccount  *Account `gorm:"foreignKey:DefaultIncomeAccountID" json:"default_income_account,omitempty"`
}

// TableName specifies the table name for UserSettings
func (UserSettings) TableName() string {
	return "user_settings"
}

// IconLayoutType represents the icon layout options
type IconLayoutType string

const (
	IconLayoutFour IconLayoutType = "four"
	IconLayoutFive IconLayoutType = "five"
	IconLayoutSix  IconLayoutType = "six"
)

// ImageCompressionType represents the image compression options
type ImageCompressionType string

const (
	ImageCompressionLow    ImageCompressionType = "low"    // 鏍囨竻 - max width 800px
	ImageCompressionMedium ImageCompressionType = "medium" // 楂樻竻 - max width 1200px
	ImageCompressionHigh   ImageCompressionType = "high"   // 鍘熺敾 - no compression
)