package main

import (
	"fmt"
	"os"

	"gopkg.in/yaml.v3"
)

type Config struct {
	BotToken       string `yaml:"bot_token"`
	ChannelID      string `yaml:"channel_id"`
	ServerHost     string `yaml:"server_host"`
	ServerPort     int    `yaml:"server_port"`
	UpdateInterval int    `yaml:"update_interval"`
}

func LoadConfig(path string) (*Config, error) {
	data, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}
	var cfg Config
	if err := yaml.Unmarshal(data, &cfg); err != nil {
		return nil, err
	}
	if cfg.BotToken == "" {
		return nil, fmt.Errorf("bot_token is required")
	}
	if cfg.ChannelID == "" {
		return nil, fmt.Errorf("channel_id is required")
	}
	if cfg.ServerHost == "" {
		return nil, fmt.Errorf("server_host is required")
	}
	if cfg.ServerPort == 0 {
		cfg.ServerPort = 25565
	}
	if cfg.UpdateInterval == 0 {
		cfg.UpdateInterval = 15
	}
	return &cfg, nil
}