package domain

import (
	"context"
	"time"

	"mengstack/internal/kernel/model"
)

// Example is a sample entity demonstrating the plugin data model.
type Example struct {
	model.BaseModel
	Name        string    `json:"name" gorm:"type:varchar(255);not null"`
	Description string    `json:"description" gorm:"type:text"`
	Status      int       `json:"status" gorm:"type:smallint;default:1"`
	ExpiresAt   time.Time `json:"expires_at"`
}

func (Example) TableName() string { return "examples" }

// ExampleDTO is the response projection.
type ExampleDTO struct {
	ID          uint      `json:"id"`
	TenantID    string    `json:"tenant_id"`
	Name        string    `json:"name"`
	Description string    `json:"description"`
	Status      int       `json:"status"`
	ExpiresAt   time.Time `json:"expires_at"`
	CreatedAt   time.Time `json:"created_at"`
	UpdatedAt   time.Time `json:"updated_at"`
}

// ToDTO converts an Example entity to its DTO.
func ToDTO(e *Example) ExampleDTO {
	return ExampleDTO{
		ID:          e.ID,
		TenantID:    e.TenantID,
		Name:        e.Name,
		Description: e.Description,
		Status:      e.Status,
		ExpiresAt:   e.ExpiresAt,
		CreatedAt:   e.CreatedAt,
		UpdatedAt:   e.UpdatedAt,
	}
}

// CreateExampleRequest is the input for creating an example.
type CreateExampleRequest struct {
	Name        string    `json:"name" binding:"required,max=255"`
	Description string    `json:"description"`
	ExpiresAt   time.Time `json:"expires_at"`
}

// Repository defines the data access contract for examples.
type Repository interface {
	Create(ctx context.Context, e *Example) error
	FindByID(ctx context.Context, tenantID string, id uint) (*Example, error)
	FindAll(ctx context.Context, tenantID string) ([]Example, error)
	Update(ctx context.Context, tenantID string, e *Example) error
	Delete(ctx context.Context, tenantID string, id uint) error
}