From 795570cee950fe07625a58cb999a2145709b4f47 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nu=C5=A1a=20Puk=C5=A1i=C4=8D?= <nusa.puksic@gmail.com>
Date: Thu, 6 Nov 2025 15:15:00 +0100
Subject: [PATCH] Split zaps

---
 assets/styles/03-components/zaps.css        |  3 ---
 src/Service/NostrSigner.php                 | 23 ++++++++++++++++++++-
 src/Twig/Components/Molecules/ZapButton.php | 10 ++++++++-
 3 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/assets/styles/03-components/zaps.css b/assets/styles/03-components/zaps.css
index 999eeea..f24feb4 100644
--- a/assets/styles/03-components/zaps.css
+++ b/assets/styles/03-components/zaps.css
@@ -1,6 +1,3 @@
-.zap-button-component {
-    margin: var(--spacing-2) 0;
-}
 .zap-modal-overlay {
     position: fixed;
     top: 0;
diff --git a/src/Service/NostrSigner.php b/src/Service/NostrSigner.php
index d361b6e..9ccafb3 100644
--- a/src/Service/NostrSigner.php
+++ b/src/Service/NostrSigner.php
@@ -59,6 +59,7 @@ class NostrSigner
      * @param string $lnurl The LNURL or callback URL
      * @param string $comment Optional comment/note
      * @param array $relays Optional list of relays
+     * @param array $zapSplits Optional zap splits configuration [['recipient' => hex, 'relay' => url, 'weight' => int]]
      * @return string JSON-encoded signed zap request
      */
     public function buildZapRequest(
@@ -66,7 +67,8 @@ class NostrSigner
         int $amountMillisats,
         string $lnurl,
         string $comment = '',
-        array $relays = []
+        array $relays = [],
+        array $zapSplits = []
     ): string {
         $tags = [
             ['p', $recipientPubkey],
@@ -79,6 +81,25 @@ class NostrSigner
             $tags[] = ['relays', $relay];
         }
 
+        // Add zap splits if provided (NIP-57)
+        foreach ($zapSplits as $split) {
+            $zapTag = ['zap', $split['recipient']];
+
+            // Add relay if specified
+            if (!empty($split['relay'])) {
+                $zapTag[] = $split['relay'];
+            } else {
+                $zapTag[] = ''; // placeholder for relay position
+            }
+
+            // Add weight if specified
+            if (!empty($split['weight'])) {
+                $zapTag[] = (string) $split['weight'];
+            }
+
+            $tags[] = $zapTag;
+        }
+
         return $this->signEphemeral(9734, $tags, $comment);
     }
 }
diff --git a/src/Twig/Components/Molecules/ZapButton.php b/src/Twig/Components/Molecules/ZapButton.php
index 89f319d..547cec0 100644
--- a/src/Twig/Components/Molecules/ZapButton.php
+++ b/src/Twig/Components/Molecules/ZapButton.php
@@ -34,6 +34,13 @@ final class ZapButton
     #[LiveProp]
     public ?string $recipientLud06 = null;
 
+    /**
+     * Zap splits configuration
+     * Array of ['recipient' => hex pubkey, 'relay' => url, 'weight' => int]
+     */
+    #[LiveProp]
+    public array $zapSplits = [];
+
     // UI state props (internal)
     #[LiveProp(writable: true)]
     public bool $open = false;
@@ -156,7 +163,8 @@ final class ZapButton
                 amountMillisats: $amountMillisats,
                 lnurl: $lnurlInfo->bech32 ?? ($this->recipientLud16 ?? $this->recipientLud06 ?? ''),
                 comment: $this->comment,
-                relays: [] // Optional: could add user's preferred relays
+                relays: [], // Optional: could add user's preferred relays
+                zapSplits: $this->zapSplits
             );
 
             // URL-encode the zap request for the callback