package app

import (
	"crypto/sha256"
	"fmt"
	"strconv"
	"strings"
	"time"
	"unicode"

	"github.com/martinlindhe/base36"
)

func hashString(input string) string {
	h := sha256.New()
	if _, err := h.Write([]byte(input)); err != nil {
		return ""
	}
	return base36.EncodeBytes(h.Sum(nil))
}

func getIDFromBase36(input string) int64 {
	return int64(base36.Decode(input))
}

func encodeIDToBase36(ID int64) string {
	return strings.ToLower(base36.Encode(uint64(ID)))
}

func sanitizeText(input string) string {
	input = strings.Map(func(r rune) rune {
		if unicode.IsPrint(r) || r == '\n' {
			return r
		}
		return -1
	}, input)
	return strings.TrimSpace(input)
}

func stripHandlerAlias(input string) string {
	return strings.Join(strings.Split(input, ":")[1:], ":")
}

func formatTime(t time.Time) string {
	return t.Format(time.RFC3339Nano)
}

func formatHumanTime(t time.Time) string {
	return t.Format(time.RFC822)
}

func getCharacterFullName(record CharacterRecord) string {
	return strings.TrimSpace(fmt.Sprintf("%s %s %s", record.FirstName, record.LastName, record.World))
}

func getRecordUserID(createdBy string) int64 {
	ID, _ := strconv.ParseInt(strings.TrimPrefix(createdBy, "user:"), 10, 64)
	return ID
}