filled out help_view option and implemented logic to trigger it

src/main.rs

@@ -18,6 +18,7 @@ use model::utils_model::RunningMode;
 
 use view::default_view::render_ui as default_render;
 use view::debug_view::render_ui as debug_render;
+use view::help_view::print_help_text;
 use controller::default_controller::run;
 use utils::handle_args::handle_input_args;
 //use controller::debugController::run as run_debug;
@@ -37,11 +38,9 @@ fn main() -> Result<(), io::Error>{
         }
     };
 
-    match running_mode {
-        RunningMode::Help => {
-            return Ok(());
-        }
-        _ => {}
+    if running_mode == RunningMode::Help {
+        print_help_text();
+        return Ok(());
     }
 
     enable_raw_mode()?;

src/model/utils_model.rs

@@ -16,7 +16,7 @@ pub enum _InsertMode {
     Removing
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 pub enum RunningMode {
     Normal,
     Debug,

src/utils/handle_args.rs

@@ -73,8 +73,13 @@ pub fn handle_input_args(args: Vec<String>)
 
             },
             "-d"|"--debug" => {
-                running_mode = RunningMode::Debug;
+                if running_mode != RunningMode::Help {
+                    running_mode = RunningMode::Debug;
+                }
             },
+            "-h"|"--help" => {
+                running_mode = RunningMode::Help;
+            }
             _ => {}
         };
     } 

src/view.rs

@@ -1,2 +1,3 @@
 pub mod default_view;
 pub mod debug_view;
+pub mod help_view;

src/view/default_view.rs

@@ -1,5 +1,3 @@
-use std::io;
-
 use tui::{
     backend::Backend, 
     widgets::{

src/view/help_view.rs

@@ -0,0 +1,23 @@
+pub fn print_help_text() {
+    let help_text = "
+Usage:
+csv-tui [options]       Run CSV editor
+
+Options:
+ -h, --help             Print this help message
+ -f, --filename         Open file defined in next arg in editor
+ -d, --debug            Run CSV editor in Debug mode
+ -c, --comma            Set the CSV delimiter to comma
+ -t, --tab              Set the CSV delimiter to tab
+ -sc, --semicolon       Set the CSV delimiter to semicolon
+ -s, --space            Set the CSV delimiter to space
+
+Examples:
+ csv-tui                    Opens empty editor
+ csv-tui -f test.csv        Opens test.csv into the editor
+ csv-tui -f test.csv -sc    Tries to open test.csv using semicolon as delimiter
+ csv-tui --tab              Opens empty editor, setting delimiter to tab
+ csv-tui --debug            Opens empty editor in debug mode
+";
+    println!("{}", help_text);
+}