package main

import (
	"errors"
	"fmt"
	"log"
	"os"

	"gopkg.in/yaml.v3"
)

func readCfg(factCfg string) UsrConfig {
	//read config file (YAML)
	fileBytes, err := os.ReadFile(factCfg)
	if err != nil {
		log.Fatalf("Error reading config file: %v", err)
	}
	// return Struct
	var config UsrConfig
	err = yaml.Unmarshal(fileBytes, &config)
	if err != nil {
		log.Fatalf("Error unmarshalling YAML file: %v", err)
	}
	return config
}
func isItReal(path string) bool { //check if path exists
	if _, err := os.Stat(path); err == nil {
		return true
	} else if errors.Is(err, os.ErrNotExist) {
		return false
	} else {
		return false
	}
}
func verifyConfig(config UsrConfig) bool { // check each file/dir to see if it exists
	if !isItReal(config.Server.ServDir) { //check for Server directory
		fmt.Printf("PATH NOT FOUND: %s", config.Server.ServDir)
		return false
	}
	if !isItReal(config.Server.WorldFile) { // check for world file
		fmt.Printf("PATH NOT FOUND: %s", config.Server.WorldFile)
		return false
	}
	if !isItReal(config.Server.ServCfg) { // check for server config
		fmt.Printf("PATH NOT FOUND: %s", config.Server.ServCfg)
		return false
	}
	if !isItReal(config.Server.ServExec) { // check for server exec file to lanch server
		fmt.Printf("PATH NOT FOUND: %s", config.Server.ServExec)
		return false
	}
	if !isItReal(config.Factoryman.BackupDir) { // check for backup directory
		fmt.Printf("PATH NOT FOUND: %s", config.Factoryman.BackupDir)
		return false
	}

	if config.Factoryman.ApiToken == "" || config.Factoryman.UserName == "" {
		fmt.Printf("API Token/Username not set (to download mods add api token and username to config)")
	}
	return true

}