package json

import (
	"context"
	"encoding/json"
	"fmt"
	"os"

	"github.com/paramah/ai_devs4/s01e02/internal/domain"
)

// Repository implements domain.PersonRepository
type Repository struct{}

// NewRepository creates a new JSON repository
func NewRepository() *Repository {
	return &Repository{}
}

// LoadPersons loads persons from a JSON file
func (r *Repository) LoadPersons(ctx context.Context, filePath string) ([]domain.Person, error) {
	data, err := os.ReadFile(filePath)
	if err != nil {
		return nil, fmt.Errorf("reading file: %w", err)
	}

	var persons []domain.Person
	if err := json.Unmarshal(data, &persons); err != nil {
		return nil, fmt.Errorf("parsing JSON: %w", err)
	}

	return persons, nil
}