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/**
* State manager for checkbox updates
* Tracks global and individual checkbox update states
*/
class CheckboxUpdateState {
constructor() {
this.updateCount = 0;
this.listeners = new Set();
this.updatingCheckboxIds = new Set();
}
// Global update state (for buttons quotation and checkout)
isUpdating() {
return this.updateCount > 0;
}
// Individual checkbox state
isCheckboxUpdating(itemId) {
return this.updatingCheckboxIds.has(String(itemId));
}
// Start update
startUpdate(itemId = null) {
this.updateCount++;
if (itemId !== null) {
this.updatingCheckboxIds.add(String(itemId));
}
this.notifyListeners();
return this.updateCount;
}
// End update
endUpdate(itemId = null) {
this.updateCount = Math.max(0, this.updateCount - 1);
if (itemId !== null) {
this.updatingCheckboxIds.delete(String(itemId));
}
this.notifyListeners();
return this.updateCount;
}
// Reset all states
reset() {
this.updateCount = 0;
this.updatingCheckboxIds.clear();
this.notifyListeners();
}
// Listener management
addListener(callback) {
if (typeof callback === 'function') {
this.listeners.add(callback);
// Immediate callback with current state
callback(this.isUpdating());
}
}
removeListener(callback) {
this.listeners.delete(callback);
}
// Debug helpers
getUpdateCount() {
return this.updateCount;
}
getUpdatingCheckboxIds() {
return [...this.updatingCheckboxIds];
}
// Private method to notify listeners
notifyListeners() {
const isUpdating = this.isUpdating();
this.listeners.forEach((listener) => {
try {
listener(isUpdating);
} catch (error) {
console.error('Checkbox update state listener error:', error);
}
});
}
}
const checkboxUpdateState = new CheckboxUpdateState();
export default checkboxUpdateState;
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