massive frontend refactoring (works good)

frontend/js/logic/exercise.js

@@ -0,0 +1,62 @@
+import { state, saveState, genId } from '../state.js';
+import { renderMainScreen } from '../render/main-screen.js';
+import { showExerciseDialog } from '../modals/exercise-modal.js';
+
+export function addExercise(workoutId) {
+    const w = state.workouts.find(x => x.id === workoutId);
+    showExerciseDialog(w.type, (name) => {
+        if (!name) return;
+        const ex = { id: genId(), name, sets: [] };
+        w.exercises.push(ex);
+        addToRef(name, w.type);
+        state.expandedExerciseId = ex.id;
+        saveState();
+        renderMainScreen();
+    });
+}
+
+export function addToRef(name, workoutType = '') {
+    const normalizedName = name.trim().toLowerCase();
+    const exists = state.exerciseRef.find(
+        e => e.name.trim().toLowerCase() === normalizedName
+    );
+    if (!exists) {
+        state.exerciseRef.push({
+            id: genId(),
+            name: name.trim(),
+            workoutType,
+        });
+    } else if (!exists.workoutType && workoutType) {
+        exists.workoutType = workoutType;
+    }
+}
+
+export function toggleExercise(exerciseId) {
+    state.expandedExerciseId =
+        state.expandedExerciseId === exerciseId ? null : exerciseId;
+    renderMainScreen();
+}
+
+export function deleteExercise(workoutId, exerciseId) {
+    if (!confirm('Удалить упражнение?')) return;
+    const w = state.workouts.find(x => x.id === workoutId);
+    w.exercises = w.exercises.filter(e => e.id !== exerciseId);
+    saveState();
+    renderMainScreen();
+}
+
+export function getExerciseHistory(exerciseName) {
+    const normalizedName = exerciseName.trim().toLowerCase();
+    const history = [];
+    for (const w of state.workouts) {
+        for (const ex of w.exercises) {
+            if (ex.name.trim().toLowerCase() === normalizedName && ex.sets.length > 0) {
+                history.push({ date: w.startTime, sets: ex.sets });
+            }
+        }
+    }
+    history.sort((a, b) => new Date(b.date) - new Date(a.date));
+    return history.slice(0, 3);
+}
+
+window.EL = { addExercise, toggleExercise, deleteExercise };