package config

import (
	"encoding/json"
	"log"
	"os"
)

type Config struct {
	SiteName string `json:"site_name"`
	Port     string `json:"port"`
	DataDir  string `json:"data_dir"`
}

func Load(path string) Config {
	configData := Config{
		SiteName: "Unnamed Download Listing",
		Port:     "8080",
		DataDir:  "data",
	}

	file, err := os.Open(path)
	if err != nil {
		log.Println("No config file found, using defaults. Consider setting up a Site Name at the very least!")
		return configData
	}
	defer file.Close()

	// Overwrite the default configuration with data from 'file'
	err = json.NewDecoder(file).Decode(&configData)
	if err != nil {
		log.Fatal("Config file exists but has errors:", err)
	}

	return configData
}