Use clap for argument parsing

2 files changed, 15 insertions, 23 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 12a27e6..78ddfe4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,26 +1,7 @@
 use rss::Channel;
-use std::env;
 use std::fs::File;
 use std::path::PathBuf;
 
-/// Parse CLI arguments and return (feed_url, output_dir)
-pub fn parse_args() -> (String, String) {
-    let mut args: Vec<String> = env::args().collect();
-    if args.len() < 2 {
-        eprintln!("Usage: {} <RSS_FEED_URL> [OUTPUT_DIR]", args[0]);
-        std::process::exit(1);
-    }
-
-    let feed_url = args.remove(1);
-    let output_dir = if args.len() > 1 {
-        args.remove(1)
-    } else {
-        String::from(".")
-    };
-
-    (feed_url, output_dir)
-}
-
 /// Fetch RSS feed content from a URL
 pub fn fetch_feed(url: &str) -> Result<String, reqwest::Error> {
     reqwest::blocking::get(url)?.text()
diff --git a/src/main.rs b/src/main.rs
index 7e28a52..a2ac775 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,15 +1,26 @@
+use clap::Parser;
 use simple_rss_podcast_downloader::*;
 
+#[derive(Parser, Debug)]
+#[command(author, version, about)]
+struct Cli {
+    feed_url: String,
+    #[arg(default_value = ".")]
+    output_dir: String,
+    #[arg(short, long)]
+    numbered: bool,
+}
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let (feed_url, output_dir) = parse_args();
+    let args = Cli::parse();
 
-    println!("Feed RSS feed from: {}", feed_url);
+    println!("Feed RSS feed from: {}", args.feed_url);
 
-    let xml = fetch_feed(&feed_url)?;
+    let xml = fetch_feed(&args.feed_url)?;
     let channel = parse_feed(&xml)?;
     for url in get_audio_urls(&channel) {
         println!("Downloading file: {}", url);
-        download_file(url, &output_dir)?;
+        download_file(url, &args.output_dir)?;
     }
 
     Ok(())