brk: first commit

_src/utils/log.rs

@@ -0,0 +1,82 @@
+use std::{
+    fmt::Display,
+    fs::{self, OpenOptions},
+    io::Write,
+};
+
+use chrono::Local;
+use color_eyre::owo_colors::OwoColorize;
+use env_logger::Env;
+
+use crate::structs::Config;
+
+#[inline(always)]
+pub fn init_log() {
+    let _ = fs::remove_file(Config::path_log());
+
+    let file = Box::new(
+        OpenOptions::new()
+            .create(true)
+            .append(true)
+            .open(Config::path_log())
+            .unwrap(),
+    );
+
+    env_logger::Builder::from_env(
+        Env::default().default_filter_or(format!("{}=info", env!("CARGO_PKG_NAME"))),
+    )
+    .format(move |buf, record| {
+        let date_time = format!("{}", Local::now().format("%Y-%m-%d %H:%M:%S"));
+        let level = record.level().as_str().to_lowercase();
+        let level = format!("{:5}", level);
+        let target = record.target();
+        let dash = "-";
+        let args = record.args();
+
+        let _ = write(
+            file.try_clone().unwrap(),
+            &date_time,
+            target,
+            &level,
+            dash,
+            args,
+        );
+
+        let colored_date_time = date_time.bright_black();
+        let colored_level = match level.chars().next().unwrap() {
+            'e' => level.red().to_string(),
+            'w' => level.yellow().to_string(),
+            'i' => level.green().to_string(),
+            'd' => level.blue().to_string(),
+            't' => level.cyan().to_string(),
+            _ => panic!(),
+        };
+        let colored_dash = dash.bright_black();
+
+        write(
+            buf,
+            colored_date_time,
+            target,
+            colored_level,
+            colored_dash,
+            args,
+        )
+    })
+    .init();
+}
+
+fn write(
+    mut buf: impl Write,
+    date_time: impl Display,
+    _target: impl Display,
+    level: impl Display,
+    dash: impl Display,
+    args: impl Display,
+) -> Result<(), std::io::Error> {
+    writeln!(buf, "{} {} {} {}", date_time, dash, level, args)
+    // writeln!(
+    //     buf,
+    //     "{} {} {} {}  {}",
+    //     date_time, _target, level, dash, args
+    // )
+}