package bootstrap

import (
	"os"
	"slices"
	"strconv"
)

var (
	validSyncModes = []string{
		"sync",
		"strict",
		"dry",
	}
)

// part of environment checking
func safeStringGrab(key, fallback string) string {
	if v, ok := os.LookupEnv(key); ok {
		return v
	}
	return fallback
}

func safeIntGrab(key string, fallback int) int {
	if v, ok := os.LookupEnv(key); ok {
		if i, err := strconv.Atoi(v); err == nil {
			return i
		}
	}
	return fallback
}

func safeBoolGrab(key string, fallback bool) bool {
	if v, ok := os.LookupEnv(key); ok {
		if b, err := strconv.ParseBool(v); err == nil {
			return b
		}
	}
	return fallback
}

func safeSyncModeGrab(key, fallback string) string {
	if v, ok := os.LookupEnv(key); ok {
		if slices.Contains(validSyncModes, v) {
			return v
		}
	}
	return fallback
}