added cli interface options and some error msgs

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 chrono = "0.4.26"
+clap = { version = "4.5.1", features = ["derive"] }
 comrak = "0.18.0"
 figment = { version = "0.10.10", features = ["env", "serde_json", "json"] }
 regex = "1.8.4"

src/cli/mod.rs

@@ -0,0 +1,13 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Parser, Debug)]
+#[command(version, about)]
+pub struct Args {
+    /// set config file to use
+    #[arg(short, long, value_name = "FILE")]
+    pub config: Option<String>,
+
+    /// show current config file
+    #[arg(short = 'C', long)]
+    pub current_config: bool,
+}

src/main.rs

@@ -1,6 +1,10 @@
+mod cli;
 mod config;
 mod todo;
 
+use crate::cli::Args;
+use clap::Parser;
+
 use crate::config::Config;
 use crate::todo::File as TodoFile;
 use crate::todo::{Status as TaskStatus, TaskGroup};
@@ -11,19 +15,25 @@ use comrak::{parse_document, Arena};
 use comrak::{ComrakExtensionOptions, ComrakOptions, ComrakParseOptions};
 use std::borrow::Borrow;
 use std::collections::HashMap;
-use std::env;
 use std::fs::{create_dir_all, metadata, read, read_dir, File};
-use std::io::Write;
+use std::io::{self, Write};
 use std::path::{Path, PathBuf};
 use std::process::Command;
-use std::str;
+use std::{env, str};
 
 //TODO handle unwraps and errors more uniformly
 //TODO refactor creating new file
 //TODO clean up verbose printing
 //TODO create custom errors for better error handling
+//TODO Default path for note_dir should start with curent path not home
 
-fn main() {
+#[derive(Debug)]
+enum ExitError {
+    ConfigError(String),
+    IOError(String, io::Error),
+}
+
+fn main() -> Result<(), ExitError> {
     let expected_cfg_files = Config::expected_locations().unwrap();
     println!("{:#?}", expected_cfg_files);
     let cfg_files: Vec<&Path> = expected_cfg_files
@@ -36,7 +46,10 @@ fn main() {
     if cfg_files.len() <= 0 {
         let status = Config::write_default(expected_cfg_files[0].to_str().unwrap());
         if let Err(e) = status {
-            println!("Could not write to default cfg location: {:#?}", e);
+            return Err(ExitError::ConfigError(format!(
+                "Could not write to default cfg location: {:#?}",
+                e
+            )));
         }
     }
 
@@ -48,18 +61,27 @@ fn main() {
     let cfg = Config::load(cfg_file).unwrap();
 
     println!("{:#?}", cfg);
-    let data_dir = get_data_dir(
-        &cfg.notes_dir
-            .clone()
-            .expect("Could not get notes dir from config"),
-    );
+    let data_dir = match &cfg.notes_dir {
+        Some(dir) => get_data_dir(dir),
+        _ => {
+            return Err(ExitError::ConfigError(
+                "Could not get notes dir from config".to_string(),
+            ))
+        }
+    };
+
     if !metadata(&data_dir).is_ok() {
-        if let Err(e) = create_dir_all(&data_dir) {
-            println!(
-                "Could not create defult directory({}): {:#?}",
+        match create_dir_all(&data_dir) {
+            Err(e) => {
+                return Err(ExitError::IOError(
+                    format!(
+                        "Could not create defult directory: {}",
                         &data_dir.to_str().unwrap(),
-                e
-            );
+                    ),
+                    e,
+                ))
+            }
+            _ => (),
         };
     }
     println!("dir = {}", data_dir.to_str().unwrap());
@@ -126,6 +148,8 @@ fn main() {
         .args([current_file])
         .status()
         .expect(format!("failed to launch editor {}", "vim").as_str());
+
+    Ok(())
 }
 
 fn get_filepath(data_dir: &PathBuf, date: &NaiveDate) -> PathBuf {