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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3b3cdf9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "number_of_the_day"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
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+gtk = { version = "0.8.0", package = "gtk4", features = ["v4_12"] }
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f288702
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
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+
+  A patent license is "discriminatory" if it does not include within
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+conditioned on the non-exercise of one or more of the rights that are
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+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
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+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
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+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
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+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
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+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
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+to choose that version for the Program.
+
+  Later license versions may give you additional or different
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+later version.
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+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
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+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
diff --git a/src/_date/mod.rs b/src/_date/mod.rs
new file mode 100644
index 0000000..ffafe0f
--- /dev/null
+++ b/src/_date/mod.rs
@@ -0,0 +1,66 @@
+// NOTE: Wrote this before implementing GTK Stuff so is useless now, but I like it so it stays
+use std::time::{SystemTime, UNIX_EPOCH};
+
+pub struct Date {
+    pub day: u32,
+    pub month: u32,
+    pub year: u32,
+}
+
+impl Date {
+    fn new(day: u32, month: u32, year: u32) -> Date {
+        Date { day, month, year }
+    }
+}
+
+pub fn current_date() -> Date {
+    seconds_to_date(seconds_since_epoch())
+}
+
+fn seconds_since_epoch() -> u64 {
+    let now = SystemTime::now();
+    let since_epoch = now
+        .duration_since(UNIX_EPOCH)
+        .expect("The fabric of space and time has been disrupted, probably try and fix that");
+    since_epoch.as_secs()
+}
+
+fn seconds_to_date(seconds: u64) -> Date {
+    let mut days_since_epoch = seconds / (60 * 60 * 24);
+    let mut year = 1970;
+    let mut days_in_year = if is_leap(year) { 366 } else { 365 }; // Replace with 365/366 based on
+                                                                  // 1970
+
+    while days_since_epoch >= days_in_year {
+        days_since_epoch -= days_in_year;
+        year += 1;
+        days_in_year = if is_leap(year) { 366 } else { 365 };
+    }
+
+    let days_in_month = [
+        31,                                  // January
+        if is_leap(year) { 29 } else { 28 }, // February
+        31,                                  // March
+        30,                                  // April
+        31,                                  // May
+        30,                                  // June
+        31,                                  // July
+        31,                                  // August
+        30,                                  // September
+        31,                                  // October
+        30,                                  // November
+        31,                                  // December
+    ];
+    let mut month = 0;
+
+    while days_since_epoch >= days_in_month[month as usize] {
+        days_since_epoch -= days_in_month[month as usize];
+        month += 1;
+    }
+
+    Date::new((days_since_epoch + 1) as u32, month + 1, year)
+}
+
+fn is_leap(year: u32) -> bool {
+    year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..18613be
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,17 @@
+mod notd;
+mod ui;
+
+use adw::Application;
+use gtk::glib;
+use gtk::prelude::*;
+use ui::{build_ui, load_css};
+
+const APP_ID: &str = "com.venomade.notd";
+
+fn main() -> glib::ExitCode {
+    let app = Application::builder().application_id(APP_ID).build();
+    app.connect_startup(|_| load_css());
+    app.connect_activate(build_ui);
+
+    app.run()
+}
diff --git a/src/notd/mod.rs b/src/notd/mod.rs
new file mode 100644
index 0000000..07cbe6e
--- /dev/null
+++ b/src/notd/mod.rs
@@ -0,0 +1,31 @@
+mod rand;
+
+use gtk::glib::DateTime;
+
+pub fn current_datetime() -> DateTime {
+    if let Ok(datetime) = DateTime::now_local() {
+        return datetime;
+    } else {
+        return DateTime::from_unix_utc(0).expect("DateTime is Broken");
+    }
+}
+
+pub fn number_of_the_day() -> u8 {
+    (rand::random_from_seed(date_to_seed(current_datetime())) % 100) as u8
+}
+
+pub fn personal_number_of_the_day(name_in: &str) -> u8 {
+    let name = name_in.trim().to_lowercase();
+    if &name == "" || &name == "name" {
+        return number_of_the_day();
+    }
+    ((rand::random_from_seed(date_to_seed(current_datetime()))
+        .wrapping_add(rand::seed_from_name(&name)))
+        % 100) as u8
+}
+
+fn date_to_seed(date: DateTime) -> u64 {
+    format!("{}{}{}", date.day_of_month(), date.month(), date.year())
+        .parse()
+        .unwrap_or(0)
+}
diff --git a/src/notd/rand.rs b/src/notd/rand.rs
new file mode 100644
index 0000000..95c8f0b
--- /dev/null
+++ b/src/notd/rand.rs
@@ -0,0 +1,16 @@
+use std::{
+    collections::hash_map::DefaultHasher,
+    hash::{Hash, Hasher},
+};
+
+pub fn random_from_seed(seed: u64) -> u64 {
+    let mut hasher = DefaultHasher::new();
+    seed.hash(&mut hasher);
+    hasher.finish()
+}
+
+pub fn seed_from_name(name: &str) -> u64 {
+    let mut hasher = DefaultHasher::new();
+    name.hash(&mut hasher);
+    hasher.finish() as u64
+}
diff --git a/src/ui/mod.rs b/src/ui/mod.rs
new file mode 100644
index 0000000..c8201c1
--- /dev/null
+++ b/src/ui/mod.rs
@@ -0,0 +1,174 @@
+use super::notd;
+use adw::{
+    prelude::*, AboutWindow, ActionRow, Application, HeaderBar, PreferencesGroup, PreferencesPage,
+    PreferencesWindow, Toast, ToastOverlay,
+};
+use gtk::{
+    gdk::Display,
+    gio::{ActionEntry, Menu, MenuItem},
+    prelude::*,
+    Align, ApplicationWindow, Box, Entry, EntryBuffer, Label, MenuButton, Orientation,
+};
+
+pub fn build_ui(app: &Application) {
+    let number_label = Label::builder()
+        .label(format!(
+            "<span size=\"600%\">{}</span>",
+            notd::number_of_the_day().to_string()
+        ))
+        .use_markup(true)
+        .build();
+
+    let toast_overlay = ToastOverlay::new();
+
+    let current_date = notd::current_datetime();
+
+    let date_toast = Toast::builder()
+        .title(format!(
+            // TODO: Follow System Time Formatting
+            "Today's Date: {}/{}/{}",
+            current_date.day_of_month(),
+            current_date.month(),
+            current_date.year()
+        ))
+        .build();
+
+    date_toast.set_timeout(2);
+
+    let name_buffer = EntryBuffer::new(Some("Name"));
+
+    let name_entry = Entry::with_buffer(&name_buffer);
+
+    let subtitle_label = Label::builder()
+        .label("<span font_weight=\"bold\">Today's Daily Number is...</span>")
+        .use_markup(true)
+        .build();
+
+    let gtk_box = Box::builder()
+        .margin_top(12)
+        .margin_bottom(12)
+        .margin_start(12)
+        .margin_end(12)
+        .valign(Align::Center)
+        .halign(Align::Center)
+        .spacing(12)
+        .orientation(Orientation::Vertical)
+        .build();
+
+    gtk_box.append(&name_entry);
+    gtk_box.append(&subtitle_label);
+    gtk_box.append(&number_label);
+
+    toast_overlay.set_child(Some(&gtk_box));
+
+    name_entry.connect_changed(move |_| {
+        let name = name_buffer.text();
+        let pnum = notd::personal_number_of_the_day(&name);
+        number_label.set_label(&format!("<span size=\"600%\">{}</span>", pnum));
+        if name.trim() == "" {
+            subtitle_label
+                .set_label("<span font_weight=\"bold\">Today's Daily Number is...</span>");
+        } else {
+            subtitle_label.set_label("<span font_weight=\"bold\">Your Daily Number is...</span>")
+        }
+    });
+
+    let titlebar = HeaderBar::builder().build();
+
+    titlebar.set_opacity(1.0);
+
+    let preferences_menu = MenuItem::new(Some("Preferences"), Some("win.preferences"));
+    let about_menu = MenuItem::new(Some("About"), Some("win.about"));
+
+    let menu = Menu::new();
+
+    // TODO Work on Preferences
+    // menu.append_item(&preferences_menu);
+    menu.append_item(&about_menu);
+
+    let menu_button = MenuButton::builder()
+        .icon_name("open-menu-symbolic")
+        .primary(true)
+        .tooltip_text("Menu")
+        .menu_model(&menu)
+        .build();
+
+    titlebar.pack_end(&menu_button);
+
+    let action_about = ActionEntry::builder("about")
+        .activate(|window: &ApplicationWindow, _, _| {
+            show_about(&window);
+        })
+        .build();
+
+    let action_preferences = ActionEntry::builder("preferences")
+        .activate(|window: &ApplicationWindow, _, _| {
+            show_preferences(&window);
+        })
+        .build();
+
+    let window = ApplicationWindow::builder()
+        .application(app)
+        .title("Number of the Day")
+        .child(&toast_overlay)
+        .titlebar(&titlebar)
+        .width_request(300)
+        .height_request(400)
+        .build();
+
+    window.add_action_entries([action_about, action_preferences]);
+
+    window.connect_show(move |_| {
+        toast_overlay.add_toast(date_toast.clone());
+    });
+
+    window.present();
+}
+
+fn show_about(window: &ApplicationWindow) {
+    let about = AboutWindow::builder()
+        .transient_for(window)
+        .application_name("Number of the Day")
+        .developer_name("Venomade")
+        .version("0.0.1")
+        .developers(vec!["Venomade"])
+        .copyright("© 2024 Venomade")
+        .license_type(gtk::License::Gpl30)
+        .comments("Shows a number of the day, general or personal")
+        .website("https://git.sr.ht/~venomade/numberoftheday")
+        .build();
+
+    about.present();
+}
+
+fn show_preferences(window: &ApplicationWindow) {
+    let preferences_group = PreferencesGroup::builder().title("Preferences").build();
+
+    let action_row = ActionRow::builder().title("Action Row").build();
+
+    let preferences_page = PreferencesPage::builder()
+        .description("Bungus Bungus")
+        .title("Bungus")
+        .build();
+
+    let preferences = PreferencesWindow::builder()
+        .transient_for(window)
+        .display(&Display::default().expect("Could not get display"))
+        .content(&preferences_page)
+        .build();
+
+    preferences.set_visible_page(&preferences_page);
+
+    preferences.present();
+}
+
+pub fn load_css() {
+    let provider = gtk::CssProvider::new();
+    provider.load_from_string(include_str!("ui.css"));
+
+    gtk::style_context_add_provider_for_display(
+        &Display::default().expect("Could not get display"),
+        &provider,
+        gtk::STYLE_PROVIDER_PRIORITY_APPLICATION,
+    );
+}
diff --git a/src/ui/ui.css b/src/ui/ui.css
new file mode 100644
index 0000000..c1bf700
--- /dev/null
+++ b/src/ui/ui.css
@@ -0,0 +1,7 @@
+headerbar {
+  background-color: @theme-bg-color;
+  border: none;
+  box-shadow: none;
+  margin: 0;
+  padding: 0;
+}