From 929da89c74cc14058d9d3ee7a918af7999f85649 Mon Sep 17 00:00:00 2001
From: Daniele Verducci <danieleverducci@zenpenguin>
Date: Sat, 20 Dec 2025 21:30:12 +0100
Subject: [PATCH] Ugly but working playback code

---
 esphome/fabula.yaml | 49 +++++++++++++++++++++++++++------------------
 1 file changed, 29 insertions(+), 20 deletions(-)

diff --git a/esphome/fabula.yaml b/esphome/fabula.yaml
index beb727e..aefa1b3 100644
--- a/esphome/fabula.yaml
+++ b/esphome/fabula.yaml
@@ -22,6 +22,14 @@ wifi:
   password: "SediaChinita@Terrazzo2017"
 
 
+# ---------------------- Global variables ----------------------
+
+globals:
+  - id: current_folder
+    type: int
+    restore_value: no
+    initial_value: '0'
+
 
 # ---------------------- PN532 NFC Reader ----------------------
 
@@ -35,30 +43,31 @@ pn532_i2c:
   update_interval: 1s
   on_tag:
     then:
+      - !lambda |-
+          if (tag.has_ndef_message()) {
+            const auto &message = tag.get_ndef_message();
+            const auto &records = message->get_records();
+            for (const auto &record : records) {
+              if (record->get_type().c_str()[0] != 'T') {
+                ESP_LOGD("Fabula", "  Ignoring non-text record %s", record->get_payload().c_str());
+                continue;
+              }
+              ESP_LOGD("Fabula", "  Found record %s in tag, try to convert to int", record->get_payload().c_str());
+              // Note: exception handling is disabled in ESPHome: the following line may crash the microcontroller if a tag with a textual record if scanned
+              int folderId = std::stoi(record->get_payload());
+              ESP_LOGD("Fabula", "  Found valid record in tag: playing folder %d", folderId);
+              id(current_folder) = folderId;
+              return folderId;
+            }
+          }
+          ESP_LOGD("Fabula", "  No valid record found in tag. Please add a text field containing the folder number, e.g. 001");
+          id(current_folder) = 0;
+          return 0;
       # - logger.log:
       #     format: "NFC Tag found: %s"
       #     args: [ 'tag.get_ndef_message()->get_records()[0]->get_payload().c_str()' ]
       - dfplayer.play_folder:
-          loop: True
-          # Crashes somewhere here in the lambda
-          folder: !lambda |-
-            if (tag.has_ndef_message()) {
-              const auto &message = tag.get_ndef_message();
-              const auto &records = message->get_records();
-              for (const auto &record : records) {
-                if (record->get_type().c_str()[0] != 'T') {
-                  ESP_LOGD("Fabula", "  Ignoring non-text record %s", record->get_payload().c_str());
-                  continue;
-                }
-                ESP_LOGD("Fabula", "  Found record %s in tag, try to convert to int", record->get_payload().c_str());
-                // Note: exception handling is disabled in ESPHome: the following line may crash the microcontroller if a tag with a textual record if scanned
-                int folderId = std::stoi(record->get_payload());
-                ESP_LOGD("Fabula", "  Found valid record in tag: playing folder %d", folderId);
-                return folderId;
-              }
-            }
-            ESP_LOGD("Fabula", "  No valid record found in tag. Please add a text field containing the folder number, e.g. 001");
-            return 0;
+          folder: 
   on_tag_removed: 
     then:
       - logger.log: "NFC Tag removed"