package main

import (
	"os"

	"gopkg.in/yaml.v2"
)

type Config struct {
	Timeout        int    `yaml:"timeout"` // minutes
	StartCommand   string `yaml:"start_command"`
	Port           string `yaml:"port"`
	ConnectTimeout int    `yaml:"connect_timeout"` //seconds
	MCPort         string `yaml:"mc_port"`
}

var defaultConfig = Config{
	MCPort:         "25565",
	ConnectTimeout: 10,
	Port:           "4567",
	Timeout:        1,
}

// this is a global constant since it's shared
var config = Config{}

const DEFAULT_VALUE_FMT_STR = "%s not found, default to %v"

func LoadConfig(filePath string) error {
	data, err := os.ReadFile(filePath)
	if err != nil {
		GetLogger().Fatalf("Failed to read config file: %v", err)
		return err
	}
	if err := yaml.Unmarshal(data, &config); err != nil {
		GetLogger().Fatalf("Failed to unmarshal config: %v", err)
		return err
	}
	GetLogger().Info("Configuration loaded successfully")
	if config.MCPort == "" {
		GetLogger().Warnf(DEFAULT_VALUE_FMT_STR, "MCPort", defaultConfig.MCPort)
		config.MCPort = defaultConfig.MCPort
	}
	if config.ConnectTimeout == 0 {
		GetLogger().Warnf(DEFAULT_VALUE_FMT_STR, "ConnectTimeout", defaultConfig.ConnectTimeout)
		config.ConnectTimeout = defaultConfig.ConnectTimeout
	}
	if config.Port == "" {
		GetLogger().Warnf(DEFAULT_VALUE_FMT_STR, "Port", defaultConfig.Port)
		config.Port = defaultConfig.Port
	}
	if config.Timeout == 0 {
		GetLogger().Warnf(DEFAULT_VALUE_FMT_STR, "Timeout", defaultConfig.Timeout)
		config.Timeout = defaultConfig.Timeout
	}
	return nil
}