package kiosk

import (
	"api-service/internal/models"
	"database/sql"
	"encoding/json"
	"time"
)

// Listkiosk represents the data structure for the listkiosk table
// with proper null handling and optimized JSON marshaling
type Listkiosk struct {
	ID                    int64                `json:"id" db:"id"`
	Name                  sql.NullString       `json:"name,omitempty" db:"name"`
	Icon                  sql.NullString       `json:"icon,omitempty" db:"icon"`
	Url                   sql.NullString       `json:"url,omitempty" db:"url"`
	Active                sql.NullBool         `json:"active,omitempty" db:"active"`
	FKRefHealthcareTypeID models.NullableInt32 `json:"fk_ref_healthcare_type_id,omitempty" db:"fk_ref_healthcare_type_id"`
	FKRefServiceTypeID    models.NullableInt32 `json:"fk_ref_service_type_id,omitempty" db:"fk_ref_service_type_id"`
	FKSdLocationID        sql.NullString       `json:"fk_sd_location_id,omitempty" db:"fk_sd_location_id"`
	DsSdLocation          sql.NullString       `json:"ds_sd_location,omitempty" db:"ds_sd_location"`
}

// Custom JSON marshaling untuk Listkiosk agar NULL values tidak muncul di response
func (r Listkiosk) MarshalJSON() ([]byte, error) {
	type Alias Listkiosk
	aux := &struct {
		Name                  *string `json:"name,omitempty"`
		Icon                  *string `json:"icon,omitempty"`
		Url                   *string `json:"url,omitempty"`
		Active                *bool   `json:"active,omitempty"`
		FKRefHealthcareTypeID *int32  `json:"fk_ref_healthcare_type_id,omitempty"`
		FKRefServiceTypeID    *int32  `json:"fk_ref_service_type_id,omitempty"`
		FKSdLocationID        *string `json:"fk_sd_location_id,omitempty"`
		DsSdLocation          *string `json:"ds_sd_location,omitempty"`
		*Alias
	}{
		Alias: (*Alias)(&r),
	}
	if r.Name.Valid {
		aux.Name = &r.Name.String
	}
	if r.Icon.Valid {
		aux.Icon = &r.Icon.String
	}
	if r.Url.Valid {
		aux.Url = &r.Url.String
	}
	if r.Active.Valid {
		aux.Active = &r.Active.Bool
	}

	if r.FKRefHealthcareTypeID.Valid {
		fkrht := int32(r.FKRefHealthcareTypeID.Int32)
		aux.FKRefHealthcareTypeID = &fkrht
	}

	if r.FKRefServiceTypeID.Valid {
		fkrst := int32(r.FKRefServiceTypeID.Int32)
		aux.FKRefServiceTypeID = &fkrst
	}

	if r.FKSdLocationID.Valid {
		aux.FKSdLocationID = &r.FKSdLocationID.String
	}
	if r.DsSdLocation.Valid {
		aux.DsSdLocation = &r.DsSdLocation.String
	}
	return json.Marshal(aux)
}

// Helper methods untuk mendapatkan nilai yang aman
func (r *Listkiosk) GetName() string {
	if r.Name.Valid {
		return r.Name.String
	}
	return ""
}

// Response struct untuk GET by ID
type ListkioskGetByIDResponse struct {
	Message string     `json:"message"`
	Data    *Listkiosk `json:"data"`
}

// Enhanced GET response dengan pagination dan aggregation
type ListkioskGetResponse struct {
	Message string                `json:"message"`
	Data    []Listkiosk           `json:"data"`
	Meta    models.MetaResponse   `json:"meta"`
	Summary *models.AggregateData `json:"summary,omitempty"`
}

// Request struct untuk create
type ListkioskCreateRequest struct {
	Name                  string `json:"name" validate:"min=1,max=20"`
	Icon                  string `json:"icon" validate:"min=1,max=20"`
	Url                   string `json:"url" validate:"min=1,max=255"`
	Active                bool   `json:"active"`
	FKRefHealthcareTypeID int32  `json:"fk_ref_healthcare_type_id" validate:"min=1"`
	FKRefServiceTypeID    int32  `json:"fk_ref_service_type_id" validate:"min=1"`
	FKSdLocationID        string `json:"fk_sd_location_id"`
	DsSdLocation          string `json:"ds_sd_location"`
}

// Response struct untuk create
type ListkioskCreateResponse struct {
	Message string     `json:"message"`
	Data    *Listkiosk `json:"data"`
}

// Update request
type ListkioskUpdateRequest struct {
	ID                    int    `json:"id" validate:"required,min=1"`
	Name                  string `json:"name" validate:"min=1,max=20"`
	Icon                  string `json:"icon" validate:"min=1,max=20"`
	Url                   string `json:"url" validate:"min=1,max=255"`
	Active                bool   `json:"active"`
	FKRefHealthcareTypeID int32  `json:"fk_ref_healthcare_type_id" validate:"min=1"`
	FKRefServiceTypeID    int32  `json:"fk_ref_service_type_id" validate:"min=1"`
	FKSdLocationID        string `json:"fk_sd_location_id"`
	DsSdLocation          string `json:"ds_sd_location" validate:"max=255"`
}

// Response struct untuk update
type ListkioskUpdateResponse struct {
	Message string     `json:"message"`
	Data    *Listkiosk `json:"data"`
}

// Response struct untuk delete
type ListkioskDeleteResponse struct {
	Message string `json:"message"`
	ID      string `json:"id"`
}

// Filter struct untuk query parameters
type ListkioskFilter struct {
	Status   *string    `json:"status,omitempty" form:"status"`
	Search   *string    `json:"search,omitempty" form:"search"`
	DateFrom *time.Time `json:"date_from,omitempty" form:"date_from"`
	DateTo   *time.Time `json:"date_to,omitempty" form:"date_to"`
}