A little bit more progress on the progress save feature.

main.c

@@ -129,15 +129,25 @@ char activity_button(int x, int y, int width, int height, char *title, char *sub
 // entertainment, reading, socializing,
 // housework, journaling, programmming (or projects?),
 // break, other
-enum activity_type {
+typedef enum activity_type {
     other,
     work,
     projects,
     gaming,
     exercise,
     activity_type_COUNT
+} activity_type;
+
+char *activity_type_string_representation[activity_type_COUNT] = {
+    "Other", "Work", "Projects", "Gaming", "Exercise"
 };
 
+Color activity_type_color_representation[activity_type_COUNT] = {
+    RED, BLUE, YELLOW, GREEN, PURPLE
+};
+
+// TODO: String representation.
+
 typedef struct Activity {
     enum activity_type activity; // TODO: Rename to kind or type.
     Color color;
@@ -170,6 +180,12 @@ int main(int argc, char *argv[])
     (void)argc;
     (void)argv;
 
+    Activity activities[100];
+    U32 current_activity = 0;
+
+    Activity_Stat activities_stats[activity_type_COUNT];
+    memset(activities_stats, 0, sizeof(activities_stats));
+
     U64 secs = now();
     struct tm *t = localtime((time_t *)(&secs));
     t->tm_hour = 0;
@@ -182,6 +198,8 @@ int main(int argc, char *argv[])
         return 1;
     }
 
+    // TODO: Clean up.
+
     // Check if 2025-02-10 available
     // build array
     // then, save the file periodically (every ~5 seconds)
@@ -199,6 +217,7 @@ int main(int argc, char *argv[])
     }
 
     // TODO: Fix error handling.
+    // WARNING: Not bullet proof, yet.
     FILE *f;
     if(path_exists(file_buffer)) {
         f = fopen(file_buffer, "r+");
@@ -218,15 +237,38 @@ int main(int argc, char *argv[])
             size_t n = strcspn(line, "\r\n");
             line[n] = '\0';
 
-            printf("%s\n", line);
+            char activity_name[64];
+            U64 lower;
+            U64 upper;
+            int l = sscanf(line, "%s %llu %llu", activity_name, &lower, &upper);
+            if(l != 3)
+                continue;
 
-            /* if(current_activity >= 0) */
-            /*     current_activity++; */
+            if(lower > upper)
+                continue;
 
-            char test[64];
-            U64 var1;
-            U64 var2;
-            int l = sscanf(line, "%s %llu %llu", test, &var1, &var2);
+            activity_type type = other;
+            if(strcmp(activity_name, activity_type_string_representation[other]) == 0)
+                type = other;
+            else if(strcmp(activity_name, activity_type_string_representation[work]) == 0)
+                type = work;
+            else if(strcmp(activity_name, activity_type_string_representation[projects]) == 0)
+                type = projects;
+            else if(strcmp(activity_name, activity_type_string_representation[gaming]) == 0)
+                type = gaming;
+            else if(strcmp(activity_name, activity_type_string_representation[exercise]) == 0)
+                type = exercise;
+            else
+                continue;
+
+            activities[current_activity].activity = type;
+            activities[current_activity].color = activity_type_color_representation[type];
+            activities[current_activity].began = lower;
+            activities[current_activity].ended = upper;
+
+            current_activity++;
+
+            printf("Added: %s\n", activity_name);
         }
     }
 
@@ -236,20 +278,12 @@ int main(int argc, char *argv[])
 
     fclose(f);
 
-    return 0;
+    /* return 0; */
 
     U64 lower_bound_s = (U64)ts;
     U64 upper_bound_s = lower_bound_s + 86400;
     // U64 upper_bound_s = lower_bound_s + 3600;
 
-
-
-    Activity activities[100];
-    U32 current_activity = 0;
-
-    Activity_Stat activities_stats[activity_type_COUNT];
-    memset(activities_stats, 0, sizeof(activities_stats));
-
     S32 window_w = 800;
     S32 window_h = 450;
 
@@ -278,8 +312,6 @@ int main(int argc, char *argv[])
     while(!WindowShouldClose()) {
         U64 now_s = now();
 
-        // fprintf(stderr, "%lu ... %lu: %lu\n", lower_bound_s, upper_bound_s, now_s);
-
         window_w = GetScreenWidth();
         window_h = GetScreenHeight();