From 5fb4c87f1d6b34b22cee2a3c378ae26a2c816afd Mon Sep 17 00:00:00 2001
From: NicolasCantu <nicolas.cantu@pm.me>
Date: Mon, 6 Jan 2025 12:36:04 +0100
Subject: [PATCH] Add getDescription

---
 src/pages/process/process.ts | 56 +++++++++++++++++++++++++++++++-----
 1 file changed, 49 insertions(+), 7 deletions(-)

diff --git a/src/pages/process/process.ts b/src/pages/process/process.ts
index 0e82e70..9de7994 100755
--- a/src/pages/process/process.ts
+++ b/src/pages/process/process.ts
@@ -1,6 +1,7 @@
 import { addSubscription } from '../../utils/subscription.utils';
 import Services from '../../services/service';
 import { getCorrectDOM } from '~/utils/html.utils';
+import { Process } from 'pkg/sdk_client';
 
 // Initialize function, create initial tokens with itens that are already selected by the user
 export async function init() {
@@ -39,13 +40,19 @@ export async function init() {
   // Create a new process with hardcoded members for demonstration purpose
   await createMessagingProcess();
 
-  const processes = await getProcesses();
-  for (let process of processes) {
-    const processName = process['description'];
-    const opt = new Option(processName);
-    opt.value = processName;
-    element.add(opt);
-  }
+  setTimeout(async () => {
+    const processes = await getProcesses();
+    for (const {key, value} of processes) {
+      const processName = await getDescription(key, value);
+      // const processName = value['description'];
+      if (processName) {
+        console.log('adding process name to list:', processName);
+        const opt = new Option(processName);
+        opt.value = processName;
+        element.add(opt);
+      }
+    }
+  }, 1000)
   // set the wrapper as child (instead of the element)
   element.parentNode?.replaceChild(wrapper, element);
   // set element as child of wrapper
@@ -457,6 +464,41 @@ async function createMessagingProcess(): Promise<void> {
   await service.handleApiReturn(apiReturn);
 }
 
+async function getDescription(processId: string, process: Process): Promise<string | null> {
+  const service = await Services.getInstance();
+  // Get the `commited_in` value of the last state and remove it from the array
+  const currentCommitedIn = process.states.pop()?.commited_in;
+
+  if (currentCommitedIn === undefined) {
+    return null; // No states available
+  }
+
+  // Find the last state where `commited_in` is different
+  let lastDifferentState = process.states.findLast(
+    state => state.commited_in !== currentCommitedIn
+  );
+
+  if (!lastDifferentState) {
+    // It means that we only have one state that is not commited yet, that can happen with process we just created
+    // let's assume that the right description is in the last concurrent state and not handle the (arguably rare) case where we have multiple concurrent states on a creation
+    lastDifferentState = process.states.pop();
+  }
+
+  // Take the description out of the state, if any
+  const description = lastDifferentState!.pcd_commitment['description'];
+  if (description) {
+    const userDiff = await service.getDiffByValue(description);
+    if (userDiff) {
+      console.log("Successfully retrieved userDiff:", userDiff);
+      return userDiff.new_value;
+    } else {
+      console.log("Failed to retrieve a non-null userDiff.");
+    }
+  }
+
+  return null;
+}
+
 async function getProcesses(): Promise<any[]> {
   const service = await Services.getInstance();
   const processes = await service.getProcesses();