package framework

import (
	"os"

	"gopkg.in/yaml.v3"

	"project/internal/domain"
)

type Loader interface {
	LoadFromFile(path string) (*domain.InterviewFramework, error)
}

type YAMLLoader struct{}

func NewYAMLLoader() *YAMLLoader {
	return &YAMLLoader{}
}

func (l *YAMLLoader) LoadFromFile(path string) (*domain.InterviewFramework, error) {
	b, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}

	var fw domain.InterviewFramework
	if err := yaml.Unmarshal(b, &fw); err != nil {
		return nil, err
	}

	return &fw, nil
}