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();
    });
}

export function cancelEmptyWorkout(workoutId) {
    if (!confirm('Отменить эту тренировку? Все данные будут удалены.')) return;
    deleteWorkout(workoutId);
}

window.WL = {
    startWorkout,
    finishWorkout,
    deleteWorkout,
    toggleWorkout,
    editWorkoutDate,
    cancelEmptyWorkout
};