feat: Add achievement tracking and persistence (#42)

src/features/achievement/components.rs

@@ -0,0 +1,65 @@
+use crate::{features::phase::components::SessionTracker, prelude::*};
+use std::collections::HashMap;
+use strum_macros::EnumIter;
+
+/// Represents an unlockable achievement.
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash, EnumIter)]
+pub enum AchievementId {
+    // Berry achievements
+    FirstSteps,
+    MasterFarmer,
+    BerryTycoon,
+    // Focus achievements,
+    GettingStarted,
+    FocusMaster,
+    ZenMaster,
+    // Withered achievements
+    Negligent,
+    CompostKing,
+}
+
+impl AchievementId {
+    /// Label to be displayed ingame
+    pub fn label(&self) -> String {
+        match self {
+            AchievementId::FirstSteps => "Erste Schritte: Verdiene eine Beere.",
+            AchievementId::MasterFarmer => "Meisterbauer: Verdiene 100 Beeren.",
+            AchievementId::BerryTycoon => "Beeren-Tycoon: Verdiene 1.000 Beeren.",
+            AchievementId::GettingStarted => "Aller Anfang: Schließe deine erste Fokus-Phase ab.",
+            AchievementId::FocusMaster => "Fokus-Meister: Schließe 10 Fokus-Phasen ab.",
+            AchievementId::ZenMaster => "Zen-Meister: Schließe 50 Fokus-Phasen ab.",
+            AchievementId::Negligent => "Nachlässig: Lasse eine Pflanze verdorren.",
+            AchievementId::CompostKing => "Kompost-König: Lasse 10 Pflanzen verdorren.",
+        }
+        .into()
+    }
+
+    /// Checks if an achievement's conditions are met
+    pub fn conditions_met(&self, tracker: &SessionTracker) -> bool {
+        match self {
+            AchievementId::FirstSteps => tracker.total_berries_earned >= 1,
+            AchievementId::MasterFarmer => tracker.total_berries_earned >= 100,
+            AchievementId::BerryTycoon => tracker.total_berries_earned >= 1000,
+            AchievementId::GettingStarted => tracker.completed_focus_phases >= 1,
+            AchievementId::FocusMaster => tracker.completed_focus_phases >= 10,
+            AchievementId::ZenMaster => tracker.completed_focus_phases >= 50,
+            AchievementId::Negligent => tracker.total_plants_withered >= 1,
+            AchievementId::CompostKing => tracker.total_plants_withered >= 10,
+        }
+    }
+}
+
+#[derive(Resource, Default, Debug, Serialize, Deserialize, Clone)]
+pub struct AchievementProgress {
+    pub unlocked: HashMap<AchievementId, bool>,
+}
+
+impl AchievementProgress {
+    pub fn is_unlocked(&self, id: &AchievementId) -> bool {
+        *self.unlocked.get(id).unwrap_or(&false)
+    }
+
+    pub fn unlock(&mut self, id: AchievementId) {
+        self.unlocked.insert(id, true);
+    }
+}