From 5775eee44815c5dcc40be090b4773e212bd42a9f Mon Sep 17 00:00:00 2001
From: Moncef STITI <moncef.stiti@etu.u-pec.fr>
Date: Thu, 6 Feb 2025 17:54:18 +0100
Subject: [PATCH] =?UTF-8?q?Ajout=20de=20la=20gestion=20des=20timestamps=20?=
 =?UTF-8?q?pour=20les=20fichiers=20cibles=20et=20d=C3=A9pendances,=20avec?=
 =?UTF-8?q?=20des=20messages=20de=20d=C3=A9bogage=20pour=20faciliter=20le?=
 =?UTF-8?q?=20suivi=20des=20modifications.?=
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---
 src/fr/monlouyan/bakefile/Rule.java             |  9 +++++++++
 src/fr/monlouyan/bakefile/TimestampManager.java | 13 +++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/src/fr/monlouyan/bakefile/Rule.java b/src/fr/monlouyan/bakefile/Rule.java
index 0b1b01c..a3218c2 100644
--- a/src/fr/monlouyan/bakefile/Rule.java
+++ b/src/fr/monlouyan/bakefile/Rule.java
@@ -101,9 +101,18 @@ public class Rule {
             System.out.println("Debug : Checking if target file " + name + " exist and is up to date");
         }
         long targetTimestamp = targetFile.exists() ? TimestampManager.getTimestamp(targetFile) : 0;
+        
+        if (BakeCLI.isDebug()) {
+            System.out.println("Debug : Target file '" + name + "' last modified at " + TimestampManager.formatTimestamp(targetTimestamp));
+        }
     
         for (String dependency : dependencies) {
             File depFile = new File(dependency);
+            long depTimestamp = depFile.exists() ? TimestampManager.getTimestamp(depFile) : 0;
+
+            if (BakeCLI.isDebug()) {
+                System.out.println("Debug : Dependency '" + dependency + "' last modified at " + TimestampManager.formatTimestamp(depTimestamp));
+            }
             
             if (!depFile.exists() && !dependency.isEmpty()) {
                 System.out.println("bake: *** No rule to make target '" + dependency + "', needed by '" + name + "'.  Stop.");
diff --git a/src/fr/monlouyan/bakefile/TimestampManager.java b/src/fr/monlouyan/bakefile/TimestampManager.java
index fc37bda..6ffac34 100644
--- a/src/fr/monlouyan/bakefile/TimestampManager.java
+++ b/src/fr/monlouyan/bakefile/TimestampManager.java
@@ -1,6 +1,8 @@
 package fr.monlouyan.bakefile;
 
 import java.io.File;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 
 /**
  * Classe utilitaire pour la gestion des timestamps des fichiers.
@@ -36,4 +38,15 @@ public class TimestampManager {
         long time2 = getTimestamp(file2);
         return Long.compare(time1, time2);
     }
+
+    /**
+     * Permet de formater un timestamp en une date lisible.
+     * @param timestamp Le timestamp à formater
+     * @return La date formatée
+     */
+    public static String formatTimestamp(long timestamp) {
+        if (timestamp == 0) return "N/A";
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        return sdf.format(new Date(timestamp));
+    }
 }