diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..6200ca9
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,115 @@
+use serde::{Deserialize, Serialize};
+use std::{collections::BTreeMap, fmt::Debug};
+use toml::ser::Error;
+
+pub fn default() -> Result<String, Error> {
+    let mut applications = BTreeMap::new();
+    applications.insert("Feishin".to_string(), "Feishin".to_string());
+    applications.insert("Librewolf".to_string(), "Librewolf".to_string());
+    let mut keymap = BTreeMap::new();
+    keymap.insert(
+        NanoKeys::Param4Mute,
+        "program-mute/Feishin,Librewolf".to_string(),
+    );
+    let mut audioinputs = BTreeMap::new();
+    audioinputs.insert(
+        "headphones".to_string(),
+        "alsa_output.usb-Burr-Brown_from_TI_USB_Audio_CODEC-00.pro-output-0".to_string(),
+    );
+    audioinputs.insert(
+        "speakers".to_string(),
+        "alsa_output.pci-0000_0c_00.4.analog-stereo".to_string(),
+    );
+    let audiooutputs = BTreeMap::new();
+    let conf: Config = Config {
+        general: General {
+            nano_kontrol_pattern: "nanoKONTROL2".to_string(),
+            led_mode: LedMode::Toggle,
+        },
+        applications,
+        keymap,
+        audioinputs,
+        audiooutputs,
+    };
+    toml::to_string(&conf)
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Config {
+    pub general: General,
+    pub audioinputs: BTreeMap<String, String>,
+    pub audiooutputs: BTreeMap<String, String>,
+    pub applications: BTreeMap<String, String>,
+    pub keymap: BTreeMap<NanoKeys, String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct General {
+    #[serde(rename = "nanoKONTROLPattern")]
+    pub nano_kontrol_pattern: String,
+    #[serde(rename = "ledMode")]
+    pub led_mode: LedMode,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub enum LedMode {
+    Default,
+    Toggle,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord)]
+#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
+pub enum NanoKeys {
+    TrackPrev = 58,
+    TrackNext = 59,
+    Cycle = 46,
+    MarkerSet = 60,
+    MarkerPrev = 61,
+    MarkerNext = 62,
+    Prev = 43,
+    Next = 44,
+    Stop = 42,
+    Play = 41,
+    Record = 45,
+    Param1Solo = 32,
+    Param2Solo = 33,
+    Param3Solo = 34,
+    Param4Solo = 35,
+    Param5Solo = 36,
+    Param6Solo = 37,
+    Param7Solo = 38,
+    Param8Solo = 39,
+    Param1Mute = 48,
+    Param2Mute = 49,
+    Param3Mute = 50,
+    Param4Mute = 51,
+    Param5Mute = 52,
+    Param6Mute = 53,
+    Param7Mute = 54,
+    Param8Mute = 55,
+    Param1Record = 64,
+    Param2Record = 65,
+    Param3Record = 66,
+    Param4Record = 67,
+    Param5Record = 68,
+    Param6Record = 69,
+    Param7Record = 70,
+    Param8Record = 71,
+    Param1Slider = 0,
+    Param2Slider = 1,
+    Param3Slider = 2,
+    Param4Slider = 3,
+    Param5Slider = 4,
+    Param6Slider = 5,
+    Param7Slider = 6,
+    Param8Slider = 7,
+    Param1Knob = 16,
+    Param2Knob = 17,
+    Param3Knob = 18,
+    Param4Knob = 19,
+    Param5Knob = 20,
+    Param6Knob = 21,
+    Param7Knob = 22,
+    Param8Knob = 23,
+}
diff --git a/src/main.rs b/src/main.rs
index 5222ad8..e289b70 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,16 +1,7 @@
-use itertools::Itertools;
-use mpris::PlayerFinder;
-fn list_all_mpris() {
-    PlayerFinder::new()
-        .expect("Could not connect to D-Bus")
-        .find_all()
-        .unwrap_or_else(|_| Vec::new())
-        .into_iter()
-        .map(|player| player.identity().to_string())
-        .unique()
-        .for_each(|player| println!("{}", player));
-}
+//use itertools::Itertools;
+//use mpris::{Player, PlayerFinder};
+mod config;
 
 fn main() {
-    list_all_mpris();
+    print!("{}", config::default().unwrap());
 }