From 3553b28e8ec0f1e9caaa2717714bfffee3f82ac4 Mon Sep 17 00:00:00 2001
From: samwondim <samwondim@gmail.com>
Date: Thu, 15 Aug 2024 11:18:55 +0300
Subject: [PATCH 1/3] feat: Implemented output logger functionality.

---
 metta-run/src/main.rs         |  5 ++++-
 metta-run/src/tools/logger.rs | 31 +++++++++++++++++++++++++++++++
 metta-run/src/tools/mod.rs    |  1 +
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 metta-run/src/tools/logger.rs
 create mode 100644 metta-run/src/tools/mod.rs

diff --git a/metta-run/src/main.rs b/metta-run/src/main.rs
index ffad28d..355b86c 100644
--- a/metta-run/src/main.rs
+++ b/metta-run/src/main.rs
@@ -3,6 +3,7 @@ use formatters::commands::{format, FormatterCommands};
 use std::io;
 mod formatters;
 mod runners;
+mod tools;
 
 fn main() -> io::Result<()> {
     #[derive(Parser)]
@@ -22,7 +23,10 @@ fn main() -> io::Result<()> {
 
     let args = Args::parse();
     let file = args.file;
+
+    let start_time = tools::logger::start_timer();
     let metta_output = runners::metta::run(file);
+    tools::logger::stop_timer(start_time, &metta_output)?;
 
     if let Some(command) = args.commands {
         match command {
@@ -31,6 +35,5 @@ fn main() -> io::Result<()> {
     } else {
         println!("{}", metta_output);
     }
-
     Ok(())
 }
diff --git a/metta-run/src/tools/logger.rs b/metta-run/src/tools/logger.rs
new file mode 100644
index 0000000..9f968f3
--- /dev/null
+++ b/metta-run/src/tools/logger.rs
@@ -0,0 +1,31 @@
+use chrono::Local;
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::time::{Duration, Instant};
+
+pub fn start_timer() -> Instant {
+    Instant::now()
+}
+
+pub fn stop_timer(start_time: Instant, metta_output: &String) -> Result<(), std::io::Error> {
+    let now = Local::now();
+    let formatted_date = now.format("%Y-%m-%d").to_string();
+    let log_file_name = format!("{}.log", formatted_date);
+
+    let mut output_file = OpenOptions::new()
+        .append(true)
+        .create(true)
+        .open(&log_file_name)?;
+
+    let end_time = Instant::now();
+    let elapsed_time = end_time.duration_since(start_time);
+    let final_output = format!(
+        "\nStart time: {}\nElapsed time: {:.3}\n{}\n",
+        now.format("%Y-%m-%d %H-%m-%s").to_string(),
+        elapsed_time.as_secs_f32(),
+        metta_output
+    );
+    output_file.write_all(final_output.as_bytes())?;
+
+    Ok(())
+}
diff --git a/metta-run/src/tools/mod.rs b/metta-run/src/tools/mod.rs
new file mode 100644
index 0000000..d991728
--- /dev/null
+++ b/metta-run/src/tools/mod.rs
@@ -0,0 +1 @@
+pub mod logger;

From f956c5fe0d3c59f95b661ecafeafa42c07d9455f Mon Sep 17 00:00:00 2001
From: samwondim <samwondim@gmail.com>
Date: Thu, 15 Aug 2024 11:20:50 +0300
Subject: [PATCH 2/3] [ENH] add additional chrono crate

---
 metta-run/Cargo.toml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/metta-run/Cargo.toml b/metta-run/Cargo.toml
index f7f2e90..d3ec4b3 100644
--- a/metta-run/Cargo.toml
+++ b/metta-run/Cargo.toml
@@ -6,4 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono = "0.4.38"
 clap = { version = "4.5.13", features = ["derive"] }

From 0f0cf243ec2a842cbee44105d846f2dec5974c3e Mon Sep 17 00:00:00 2001
From: samwondim <samwondim@gmail.com>
Date: Thu, 15 Aug 2024 11:29:18 +0300
Subject: [PATCH 3/3] [ENH] refactor logger.rs

---
 metta-run/src/tools/logger.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/metta-run/src/tools/logger.rs b/metta-run/src/tools/logger.rs
index 9f968f3..e5b0e17 100644
--- a/metta-run/src/tools/logger.rs
+++ b/metta-run/src/tools/logger.rs
@@ -10,12 +10,8 @@ pub fn start_timer() -> Instant {
 pub fn stop_timer(start_time: Instant, metta_output: &String) -> Result<(), std::io::Error> {
     let now = Local::now();
     let formatted_date = now.format("%Y-%m-%d").to_string();
-    let log_file_name = format!("{}.log", formatted_date);
 
-    let mut output_file = OpenOptions::new()
-        .append(true)
-        .create(true)
-        .open(&log_file_name)?;
+    let log_file_name = format!("{}.log", formatted_date);
 
     let end_time = Instant::now();
     let elapsed_time = end_time.duration_since(start_time);
@@ -25,6 +21,12 @@ pub fn stop_timer(start_time: Instant, metta_output: &String) -> Result<(), std:
         elapsed_time.as_secs_f32(),
         metta_output
     );
+
+    let mut output_file = OpenOptions::new()
+        .append(true)
+        .create(true)
+        .open(&log_file_name)?;
+
     output_file.write_all(final_output.as_bytes())?;
 
     Ok(())