package httpapi

import (
	"crypto/sha256"
	"encoding/hex"
	"fmt"
)

// ─── Helpers ───────────────────────────────────────────────────────────

func coalesceStr(s *string, def string) string {
	if s == nil || *s == "" {
		return def
	}
	return *s
}

func parseIntOrZero(s string) (int, error) {
	var n int
	for _, c := range s {
		if c < '0' || c > '9' {
			return 0, fmt.Errorf("invalid integer: %q", s)
		}
		n = n*10 + int(c-'0')
	}
	return n, nil
}

func hashToken(token string) string {
	h := sha256.Sum256([]byte(token))
	return hex.EncodeToString(h[:])
}