From ffd2e70fec069441d56db73da9fa9c8e0633e0dc Mon Sep 17 00:00:00 2001
From: Sebastian <sebasjm@gmail.com>
Date: Mon, 15 Apr 2024 13:56:21 -0300
Subject: fix #8724

---
 .../src/components/form/InputNumber.tsx            |   5 +-
 .../src/components/form/InputPaytoForm.tsx         | 112 +++++++++++++++------
 2 files changed, 84 insertions(+), 33 deletions(-)

diff --git a/packages/merchant-backoffice-ui/src/components/form/InputNumber.tsx b/packages/merchant-backoffice-ui/src/components/form/InputNumber.tsx
index 10b28cd93..38444b85d 100644
--- a/packages/merchant-backoffice-ui/src/components/form/InputNumber.tsx
+++ b/packages/merchant-backoffice-ui/src/components/form/InputNumber.tsx
@@ -53,8 +53,9 @@ export function InputNumber<T>({
       help={help}
       tooltip={tooltip}
       inputExtra={{ min: 0 }}
-      children={children}
       side={side}
-    />
+    >
+      {children}
+    </InputWithAddon>
   );
 }
diff --git a/packages/merchant-backoffice-ui/src/components/form/InputPaytoForm.tsx b/packages/merchant-backoffice-ui/src/components/form/InputPaytoForm.tsx
index 3337e5f57..a0c15c77c 100644
--- a/packages/merchant-backoffice-ui/src/components/form/InputPaytoForm.tsx
+++ b/packages/merchant-backoffice-ui/src/components/form/InputPaytoForm.tsx
@@ -18,7 +18,11 @@
  *
  * @author Sebastian Javier Marchano (sebasjm)
  */
-import { parsePaytoUri, PaytoUriGeneric, stringifyPaytoUri } from "@gnu-taler/taler-util";
+import {
+  parsePaytoUri,
+  PaytoUriGeneric,
+  stringifyPaytoUri,
+} from "@gnu-taler/taler-util";
 import { useTranslationContext } from "@gnu-taler/web-util/browser";
 import { Fragment, h, VNode } from "preact";
 import { COUNTRY_TABLE } from "../../utils/constants.js";
@@ -71,7 +75,7 @@ function checkAddressChecksum(address: string) {
   return true;
 }
 
-function validateBitcoin(
+function validateBitcoin_path1(
   addr: string,
   i18n: ReturnType<typeof useTranslationContext>["i18n"],
 ): string | undefined {
@@ -84,7 +88,7 @@ function validateBitcoin(
   return i18n.str`This is not a valid bitcoin address.`;
 }
 
-function validateEthereum(
+function validateEthereum_path1(
   addr: string,
   i18n: ReturnType<typeof useTranslationContext>["i18n"],
 ): string | undefined {
@@ -97,6 +101,29 @@ function validateEthereum(
   return i18n.str`This is not a valid Ethereum address.`;
 }
 
+/**
+ * validates
+ * bank.com/
+ * bank.com
+ * bank.com/path
+ * bank.com/path/subpath/
+ */
+const DOMAIN_REGEX = /^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9](?:\.[a-zA-Z]{2,})+(\/[a-zA-Z0-9-.]+)*\/?$/
+
+function validateTalerBank_path1(
+  addr: string,
+  i18n: ReturnType<typeof useTranslationContext>["i18n"],
+): string | undefined {
+  console.log(addr, DOMAIN_REGEX.test(addr))
+  try {
+    const valid = DOMAIN_REGEX.test(addr);
+    if (valid) return undefined;
+  } catch (e) {
+    console.log(e);
+  }
+  return i18n.str`This is not a valid host.`;
+}
+
 /**
  * An IBAN is validated by converting it into an integer and performing a
  * basic mod-97 operation (as described in ISO 7064) on it.
@@ -111,7 +138,7 @@ function validateEthereum(
  * If the remainder is 1, the check digit test is passed and the IBAN might be valid.
  *
  */
-function validateIBAN(
+function validateIBAN_path1(
   iban: string,
   i18n: ReturnType<typeof useTranslationContext>["i18n"],
 ): string | undefined {
@@ -178,34 +205,36 @@ export function InputPaytoForm<T>({
 }: Props<keyof T>): VNode {
   const { value: initialValueStr, onChange } = useField<T>(name);
 
-  const initialPayto = parsePaytoUri(initialValueStr ?? "")
-  const paths = !initialPayto ? [] : initialPayto.targetPath.split("/")
+  const initialPayto = parsePaytoUri(initialValueStr ?? "");
+  const paths = !initialPayto ? [] : initialPayto.targetPath.split("/");
   const initialPath1 = paths.length >= 1 ? paths[0] : undefined;
   const initialPath2 = paths.length >= 2 ? paths[1] : undefined;
-  const initial: Entity = initialPayto === undefined ? defaultTarget : {
-    target: initialPayto.targetType,
-    params: initialPayto.params,
-    path1: initialPath1,
-    path2: initialPath2,
-  }
-  const [value, setValue] = useState<Partial<Entity>>(initial)
+  const initial: Entity =
+    initialPayto === undefined
+      ? defaultTarget
+      : {
+          target: initialPayto.targetType,
+          params: initialPayto.params,
+          path1: initialPath1,
+          path2: initialPath2,
+        };
+  const [value, setValue] = useState<Partial<Entity>>(initial);
 
   const { i18n } = useTranslationContext();
 
   const errors: FormErrors<Entity> = {
-    target:
-      value.target === noTargetValue
-        ? i18n.str`required`
-        : undefined,
+    target: value.target === noTargetValue ? i18n.str`required` : undefined,
     path1: !value.path1
       ? i18n.str`required`
       : value.target === "iban"
-        ? validateIBAN(value.path1, i18n)
+        ? validateIBAN_path1(value.path1, i18n)
         : value.target === "bitcoin"
-          ? validateBitcoin(value.path1, i18n)
+          ? validateBitcoin_path1(value.path1, i18n)
           : value.target === "ethereum"
-            ? validateEthereum(value.path1, i18n)
-            : undefined,
+            ? validateEthereum_path1(value.path1, i18n)
+            : value.target === "x-taler-bank"
+              ? validateTalerBank_path1(value.path1, i18n)
+              : undefined,
     path2:
       value.target === "x-taler-bank"
         ? !value.path2
@@ -222,15 +251,22 @@ export function InputPaytoForm<T>({
   const hasErrors = Object.keys(errors).some(
     (k) => (errors as any)[k] !== undefined,
   );
-  const str = hasErrors || !value.target ? undefined : stringifyPaytoUri({
-    targetType: value.target,
-    targetPath: value.path2 ? `${value.path1}/${value.path2}` : (value.path1 ?? ""),
-    params: value.params ?? {} as any,
-    isKnown: false,
-  })
+
+  const path1WithSlash = value.path1 && !value.path1.endsWith("/") ? value.path1 + "/" : value.path1
+  const str =
+    hasErrors || !value.target
+      ? undefined
+      : stringifyPaytoUri({
+          targetType: value.target,
+          targetPath: value.path2
+            ? `${path1WithSlash}${value.path2}`
+            : value.path1 ?? "",
+          params: value.params ?? ({} as any),
+          isKnown: false,
+        });
   useEffect(() => {
-    onChange(str as any)
-  }, [str])
+    onChange(str as any);
+  }, [str]);
 
   // const submit = useCallback((): void => {
   //   // const accounts: TalerMerchantApi.AccountAddDetails[] = paytos;
@@ -365,7 +401,23 @@ export function InputPaytoForm<T>({
               name="path1"
               readonly={readonly}
               label={i18n.str`Host`}
+              fromStr={(v) => {
+                if (v.startsWith("http")) {
+                  try {
+                    const url = new URL(v);
+                    return url.host + url.pathname;
+                  } catch {
+                    return v;
+                  }
+                }
+                return v;
+              }}
               tooltip={i18n.str`Bank host.`}
+              help={<Fragment>
+                <div><i18n.Translate>Without scheme and may include subpath:</i18n.Translate></div>
+                <div>bank.com/</div>
+                <div>bank.com/path/subpath/</div>
+                </Fragment>}
             />
             <Input<Entity>
               name="path2"
@@ -389,9 +441,7 @@ export function InputPaytoForm<T>({
             />
           </Fragment>
         )}
-
       </FormProvider>
     </InputGroup>
   );
 }
-
-- 
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