massive frontend refactoring (works good)

frontend/js/logic/workout.js

@@ -0,0 +1,66 @@
+import { state, saveState, genId } from '../state.js';
+import { renderMainScreen } from '../render/main-screen.js';
+import { showEditWorkoutDateDialog } from '../modals/edit-workout-date-modal.js';
+
+export function startWorkout() {
+    const w = {
+        id: genId(),
+        startTime: new Date().toISOString(),
+        endTime: null,
+        type: '',
+        exercises: [],
+        cardio: [],
+        notes: '',
+        synced: false,
+    };
+    state.workouts.unshift(w);
+    state.expandedWorkoutId = w.id;
+    saveState();
+    renderMainScreen();
+}
+
+export function finishWorkout(workoutId) {
+    if (!confirm('Завершить тренировку?')) return;
+    const w = getWorkout(workoutId);
+    w.endTime = new Date().toISOString();
+    saveState();
+    renderMainScreen();
+}
+
+export function deleteWorkout(workoutId) {
+    if (!confirm('Удалить тренировку полностью?')) return;
+    state.workouts = state.workouts.filter(w => w.id !== workoutId);
+    saveState();
+    renderMainScreen();
+}
+
+export function toggleWorkout(workoutId) {
+    state.expandedWorkoutId =
+        state.expandedWorkoutId === workoutId ? null : workoutId;
+    renderMainScreen();
+}
+
+export function getWorkout(id) {
+    return state.workouts.find(w => w.id === id);
+}
+
+export function getActiveWorkout() {
+    return state.workouts.find(w => !w.endTime);
+}
+
+export function editWorkoutDate(workoutId) {
+    const w = getWorkout(workoutId);
+    if (!w) return;
+    showEditWorkoutDateDialog(w, (newDates) => {
+        if (!newDates) return;
+        w.startTime = newDates.startTime;
+        w.endTime = newDates.endTime;
+        saveState();
+        renderMainScreen();
+    });
+}
+
+window.WL = {
+    startWorkout, finishWorkout, deleteWorkout,
+    toggleWorkout, editWorkoutDate,
+};