From 9a5ec69554a5b93bb57d3f35828751d4d2241958 Mon Sep 17 00:00:00 2001
From: eug-vs <eugene@eug-vs.xyz>
Date: Sun, 21 Jan 2024 15:34:54 +0100
Subject: feat: add anomaly searcher script

---
 Cargo.toml              |  6 +++++
 src/anomaly-searcher.rs | 68 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 src/anomaly-searcher.rs

diff --git a/Cargo.toml b/Cargo.toml
index ca8466d..379a62b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,6 +2,7 @@
 name = "chessnost"
 version = "0.1.0"
 edition = "2021"
+default-run = "chessnost"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -21,3 +22,8 @@ harness = false
 [[bench]]
 name = "search"
 harness = false
+
+[[bin]]
+name = "anomaly-searcher"
+path = "src/anomaly-searcher.rs"
+
diff --git a/src/anomaly-searcher.rs b/src/anomaly-searcher.rs
new file mode 100644
index 0000000..6b5cc15
--- /dev/null
+++ b/src/anomaly-searcher.rs
@@ -0,0 +1,68 @@
+use std::env;
+use std::fs::File;
+use std::io::{self, BufRead, Write};
+use std::path::Path;
+use std::process::{Command, Stdio};
+
+fn read_game_log(log_file: &str) -> Option<Vec<String>> {
+    if let Ok(file) = File::open(log_file) {
+        let lines: Result<Vec<String>, _> = io::BufReader::new(file).lines().collect();
+        return lines.ok();
+    }
+
+    None
+}
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() != 2 {
+        eprintln!("Usage: ./anomaly-searcher game.log");
+        std::process::exit(1);
+    }
+
+    let game_log_file = &args[1];
+    if let Some(lines) = read_game_log(game_log_file) {
+        let mut engine_process = Command::new("./target/release/chessnost")
+            .stdin(Stdio::piped())
+            .stdout(Stdio::piped())
+            .spawn()
+            .expect("Failed to start the engine process");
+
+        let mut engine_stdin = engine_process.stdin.take().expect("Failed to open engine STDIN");
+        let mut engine_stdout = io::BufReader::new(engine_process.stdout.take().expect("Failed to open engine STDOUT"));
+
+        for line in lines.iter().filter(|l| !l.contains("info string")) {
+            if line.starts_with("<<") {
+                // Send the line to the engine without printing it
+                writeln!(engine_stdin, "{}", &line[3..]).expect("Failed to write to engine STDIN");
+                println!("{}", line);
+            } else if line.starts_with(">>") {
+                // Wait for the engine's output
+                let mut response = String::new();
+                while response.is_empty() || response.contains("info string") {
+                    response = String::new();
+                    engine_stdout.read_line(&mut response).expect("Failed to read from engine STDOUT");
+                }
+
+                // Print the engine's response
+                print!(">> {}", response);
+
+                // Compare the engine's response to the original log
+                let original_response = line[3..].trim(); // Remove the ">> " prefix
+                if response.trim() != original_response {
+                    println!("** {}\n", original_response);
+                }
+            }
+        }
+
+        // Close the engine's STDIN to signal that we're done sending commands
+        drop(engine_stdin);
+
+        // Wait for the engine process to finish
+        let _ = engine_process.wait();
+    } else {
+        eprintln!("Error reading the game log.");
+        std::process::exit(1);
+    }
+}
-- 
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