package domain

import (
	"context"
	"time"
)

// AddressType defines the purpose of an address
type AddressType string

const (
	AddressTypeHeadquarters AddressType = "headquarters"
	AddressTypeBilling      AddressType = "billing"
	AddressTypeShipping     AddressType = "shipping"
	AddressTypeBranch       AddressType = "branch"
	AddressTypeSite         AddressType = "site"
)

// Address represents a physical address that can be associated with organizations or sites
type Address struct {
	ID string `gorm:"primaryKey;type:text"`

	// Address components
	Street     string `gorm:"type:text"`
	City       string `gorm:"type:text"`
	Region     string `gorm:"type:text"`
	PostalCode string `gorm:"type:varchar(20)"`
	Country    string `gorm:"type:varchar(2);default:'RU'"` // ISO country code

	// Full formatted address in different locales
	FormattedRu string `gorm:"type:text;index"` // Russian
	FormattedEn string `gorm:"type:text"`       // English
	FormattedTt string `gorm:"type:text"`       // Tatar

	// Geolocation
	Latitude  float64 `gorm:"type:double precision;index:idx_address_location"`
	Longitude float64 `gorm:"type:double precision;index:idx_address_location"`

	// Address type and usage
	AddressType AddressType `gorm:"type:varchar(20);index"`

	// Metadata
	Verified bool   `gorm:"default:false"`
	Source   string `gorm:"type:text"` // OSM, manual, API, etc.

	// Timestamps
	CreatedAt time.Time `gorm:"autoCreateTime"`
	UpdatedAt time.Time `gorm:"autoUpdateTime"`

	// Associations - many-to-many relationships
	Organizations []Organization `gorm:"many2many:organization_addresses;"`
	Sites         []Site         `gorm:"many2many:site_addresses;"`
}

// TableName specifies the table name for GORM
func (Address) TableName() string {
	return "addresses"
}

// AddressRepository defines operations for address management
type AddressRepository interface {
	Create(ctx context.Context, address *Address) error
	GetByID(ctx context.Context, id string) (*Address, error)
	GetAll(ctx context.Context) ([]*Address, error)
	Update(ctx context.Context, address *Address) error
	Delete(ctx context.Context, id string) error

	// Find addresses by location
	GetWithinRadius(ctx context.Context, lat, lng, radiusKm float64) ([]*Address, error)

	// Find addresses by entity
	GetByOrganizationID(ctx context.Context, orgID string) ([]*Address, error)
	GetBySiteID(ctx context.Context, siteID string) ([]*Address, error)

	// Find or create address (deduplication)
	FindOrCreate(ctx context.Context, address *Address) (*Address, error)
}