diff --git a/Cargo.lock b/Cargo.lock
index 81e46d3..2e0d36a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2969dcb958b36655471fc61f7e416fa76033bdd4bfed0678d8fee1e2d07a1f0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -673,6 +682,7 @@ name = "music-downloader"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "regex",
  "serde",
  "serde_json",
  "spotify-rs",
@@ -882,6 +892,35 @@ dependencies = [
  "bitflags 1.3.2",
 ]
 
+[[package]]
+name = "regex"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "380b951a9c5e80ddfd6136919eef32310721aa4aacd4889a8d39124b026ab343"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f804c7828047e88b2d32e2d7fe5a105da8ee3264f01902f796c8e067dc2483f"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
+
 [[package]]
 name = "reqwest"
 version = "0.11.22"
diff --git a/Cargo.toml b/Cargo.toml
index 9bea66a..4963290 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 clap = { version = "4.4.6", features = ["derive"] }
+regex = "1.10.2"
 serde = { version = "1.0.189", features = ["derive"] }
 serde_json = "1.0.107"
 spotify-rs = "0.3.9"
diff --git a/src/main.rs b/src/main.rs
index 570c346..a24e849 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 use std::process;
 
 use clap::Parser;
+use music_downloader::structs::Spotify;
 
 #[derive(Parser)]
 #[command(author, version, about, long_about = None)]
@@ -10,6 +11,9 @@ struct Cli {
 
     #[arg(short, long, default_value = "youtube")]
     download_from: String,
+
+    #[arg(short, long, default_value = "~/.config/music-downloader/config.json")]
+    config_file: String,
 }
 
 fn main() {
@@ -25,10 +29,16 @@ fn main() {
         process::exit(1);
     }
 
+    // handle args
     let args = Cli::parse(); 
     println!("url: {}", args.url);
     println!("download from: {}", args.download_from);
 
-    // TODO: init config
+    // init config
+    music_downloader::create_config(&args.config_file[..]);
+
+    // run???
+    let spot = Spotify::from_link(&args.url);
+    // TODO: get song info
     // TODO: add a way to put data in config from cli
 }
diff --git a/src/structs.rs b/src/structs.rs
index 62f9ecd..9545375 100644
--- a/src/structs.rs
+++ b/src/structs.rs
@@ -1,7 +1,58 @@
-use serde::{Serialize, Deserialize};
+use std::process;
+
+use regex::Regex;
+use serde::{Deserialize, Serialize};
 
 #[derive(Serialize, Deserialize)]
 pub struct Config {
     pub client_id: String,
     pub client_secret: String,
 }
+
+pub struct Spotify {
+    pub mtype: SpotifyType,
+    pub id: String,
+}
+
+pub enum SpotifyType {
+    Album, // album: https://open.spotify.com/album/5MfAxS5zz8MlfROjGQVXhy?si=2BBYm0iVR3m4UlQ3xE8RRg
+    Playlist, // playlist: https://open.spotify.com/playlist/1XsYplOyHG528tYcSaZOhT?si=ef60c1c83a744e29
+    Song,     // song: https://open.spotify.com/track/08QaHlMPWuO5PUxjl61bXn?si=2bf95daa4f8347f0
+    Artist, // artist: https://open.spotify.com/artist/06HL4z0CvFAxyc27GXpf02?si=QzRParYJT72CfTdXk-5EDg
+    Episode, // episode: https://open.spotify.com/episode/122w4xeQAWeFcIz3KUP52M?si=390abae7a5ae4404
+    Show,   // show: https://open.spotify.com/show/7bVFJvj8A2ZuYVs5lS992b?si=5c18c614eb3c420
+}
+
+impl Spotify {
+    pub fn from_link(url: &String) -> Spotify {
+        println!("{url}");
+        let re = match Regex::new(r#"(open.spotify.com)\/(?<type>album|playlist|track|artist|episode|show)\/(?<id>[^?]*)"#) {
+            Ok(val) => val,
+            Err(why) => {
+                eprintln!("structs::Spotify::from_link: Couldn't compile regex: {why}");
+                process::exit(1);
+            }
+        };
+
+        let caps = match re.captures(url) {
+            Some(val) => val,
+            None => {
+                eprintln!("structs::Spotify::from_link: No matches found.");
+                process::exit(1);
+            }
+        };
+
+        Spotify {
+            mtype: match &caps["type"] {
+                "album" => SpotifyType::Album,
+                "playlist" => SpotifyType::Playlist,
+                "track" => SpotifyType::Song,
+                "artist" => SpotifyType::Artist,
+                "episode" => SpotifyType::Episode,
+                "show" => SpotifyType::Show,
+                _ => panic!("structs::Spotify::from_link: unknown spotify type :D")
+            },
+            id: caps["id"].to_string()
+        }
+    }
+}