package main

import (
	"fmt"
	"os"

	"gopkg.in/yaml.v3"
)

type Config struct {
	Server struct {
		Port            int `yaml:"port"`
		RefreshInterval int `yaml:"refresh_interval"`
	} `yaml:"server"`
	Stations []Station `yaml:"stations"`
}

type Station struct {
	Name string `yaml:"name"`
	Code string `yaml:"code"`
}

func LoadConfig(filename string) (*Config, error) {
	data, err := os.ReadFile(filename)
	if err != nil {
		return nil, fmt.Errorf("failed to read config file: %w", err)
	}

	var config Config
	err = yaml.Unmarshal(data, &config)
	if err != nil {
		return nil, fmt.Errorf("failed to parse config file: %w", err)
	}

	return &config, nil
}