Supporter chance (#624)

* refactor SupporterTier

* supporter carousel weighted chance

* fix light mode woes

dash-frontend/src/tab/donate.rs

@@ -64,35 +64,21 @@ async fn request_supporters(tasks: Tasks<Task>) {
 	}
 }
 
-fn tier_pretty_print(tier: &str) -> String {
-	format!("{} Tier", wlx_common::locale::capitalize_string(tier))
-}
-
-fn tier_color(tier: &str) -> &'static str {
-	match tier {
-		"platinum" => "#aaffff",
-		"gold" => "#ffffaa",
-		"silver" => "#cccccc",
-		"bronze" => "#ffaa66",
-		_ => "on_background",
-	}
-}
-
 impl<T> TabDonate<T> {
 	fn set_supporters(&mut self, layout: &mut Layout, supporters: cached_fetcher::Supporters) -> anyhow::Result<()> {
 		let globals = layout.state.globals.clone();
 		layout.remove_children(self.id_current_supporters);
 
-		let mut current_tier = "";
+		let mut current_tier = None;
 		let mut tier_parent = WidgetID::default();
 
 		for supporter in &supporters.supporters {
-			if supporter.tier != current_tier {
-				current_tier = &supporter.tier;
+			if Some(supporter.tier) != current_tier {
+				current_tier = Some(supporter.tier);
 
 				let mut params = TemplateParams::new();
-				params.insert_str("text", tier_pretty_print(&supporter.tier));
-				params.insert("color", tier_color(&supporter.tier));
+				params.insert_str("text", supporter.tier.pretty_str());
+				params.insert("color", supporter.tier.color_str());
 				self.state.realize_template(
 					&doc_params(&globals),
 					"TierCell",

dash-frontend/src/tab/home.rs

@@ -39,7 +39,17 @@ fn get_supporter_anim(
 	prev_supporter_name: String,
 ) -> Animation {
 	let username = loop {
-		let random_supporter = &supporters.supporters[rand::random_range(0..supporters.supporters.len() - 1)];
+		let total_tickets: u32 = supporters.supporters.iter().map(|s| s.tickets()).sum();
+		let jackpot = rand::random_range(0..total_tickets);
+		let mut cumulative = 0u32;
+		let random_supporter = supporters
+			.supporters
+			.iter()
+			.find(|s| {
+				cumulative += s.tickets();
+				cumulative >= jackpot
+			})
+			.unwrap();
 		let username = random_supporter.username.clone();
 		if username != prev_supporter_name {
 			break username;
@@ -60,7 +70,7 @@ fn get_supporter_anim(
 
 			btn.set_text_color(
 				common,
-				WguiColor::Named(WguiNamedColor::with_alpha(WguiColorName::OnPrimary, opacity)),
+				WguiColor::Named(WguiNamedColor::with_alpha(WguiColorName::OnBackgroundVariant, opacity)),
 			);
 
 			// first iter

dash-frontend/src/util/cached_fetcher.rs

@@ -3,20 +3,60 @@ use std::time::{SystemTime, UNIX_EPOCH};
 use crate::util::{networking::http_client, steam_utils::AppID};
 use anyhow::Context;
 use serde::{Deserialize, Serialize};
+use strum::AsRefStr;
 use wlx_common::cache_dir;
 
 fn get_unix_timestamp() -> u64 {
 	SystemTime::now().duration_since(UNIX_EPOCH).unwrap().as_secs()
 }
 
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord, AsRefStr)]
+#[serde(rename_all = "snake_case")]
+pub enum SupporterTier {
+	Platinum,
+	Gold,
+	Silver,
+	Bronze,
+}
+
+impl SupporterTier {
+	pub fn pretty_str(self) -> String {
+		format!("{self:?} Tier")
+	}
+
+	pub const fn color_str(self) -> &'static str {
+		match self {
+			Self::Platinum => "#aaffff",
+			Self::Gold => "#ffffaa",
+			Self::Silver => "#cccccc",
+			Self::Bronze => "#ffaa66",
+		}
+	}
+
+	pub const fn tickets(self) -> u32 {
+		match self {
+			Self::Platinum => 20,
+			Self::Gold => 10,
+			Self::Silver => 5,
+			Self::Bronze => 1,
+		}
+	}
+}
+
 #[derive(Serialize, Deserialize)]
 pub struct Supporter {
 	pub username: String,
 	pub date: String,
-	pub tier: String,
+	pub tier: SupporterTier,
 	pub contribution_count: u32,
 }
 
+impl Supporter {
+	pub const fn tickets(&self) -> u32 {
+		self.tier.tickets()
+	}
+}
+
 #[derive(Serialize, Deserialize)]
 pub struct Supporters {
 	pub time_window_days: u32,

dash-frontend/src/views/color_palettes.rs

@@ -1,5 +1,6 @@
 use crate::{
 	frontend::{FrontendTask, FrontendTasks},
+	tab::TabType,
 	util::popup_manager::{MountPopupOnceParams, PopupHolder},
 	views::{ViewTrait, ViewUpdateParams},
 };
@@ -52,6 +53,8 @@ impl ViewTrait for View {
 					globals.palette = new_palette;
 					par.general_config.color_palette = profile.into();
 					par.layout.tasks.push(LayoutTask::RefreshPalette);
+					// this works because LookAndFeel is the first tab
+					self.frontend_tasks.push(FrontendTask::SetTab(TabType::Settings));
 					par.config_change_kind.replace(ConfigChangeKind::WguiColorPaletteChange);
 					if let Some(c) = self.on_close_request.take() {
 						c();