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import { AacFood, AAC_DATA, AacVerb, AAC_VERBS } from "../Foods";
import { useWebSocket } from "../contexts/WebSocketContext";
import { updatePlayerInSessionStorage } from "../components/Storage/Storage";
/**
* Defines the props for the AacInterface component.
*/
interface AacInterfaceProps {
sessionId: string;
userId?: string;
role?: string;
}
/**
* AacInterface component provides an interface for users to select foods and play associated audio clips.
* @param {AacInterfaceProps} props - The properties for the component.
* @returns {JSX.Element} The rendered component.
*/
const AacInterface: React.FC<AacInterfaceProps> = ({ sessionId, userId, role }) => {
const [selectedItem, setSelectedItem] = React.useState<AacFood | null>(null);
const [selectedCategory, setSelectedCategory] = React.useState<string | null>(null);
const [activeVerb, setActiveVerb] = React.useState<AacVerb | null>(null);
const [isAudioPlaying, setIsAudioPlaying] = React.useState(false);
const { sendMessage } = useWebSocket();
useEffect(() => {
if (sessionId && userId && role && sendMessage) {
sendMessage({
type: 'PLAYER_JOIN',
payload: { sessionId, userId, role }
});
updatePlayerInSessionStorage(sessionId, { userId, role });
}
}, [sessionId, userId, role, sendMessage]);
/**
* Plays the audio for the selected item.
* @param {string | undefined} audioPath - The path to the audio file.
* @returns {void}
*/
const playAudioWithDelay = (audioPath: string | undefined) => {
if (audioPath) {
const audio = new Audio(audioPath);
setIsAudioPlaying(true);
audio.onended = () => setIsAudioPlaying(false);
audio.onerror = () => {
console.error(`Error playing audio for ${selectedItem?.name}`);
setIsAudioPlaying(false);
};
audio.play()
}
};
const playAudioWithoutDelay = (audioPath: string | undefined) => {
if (audioPath) {
const audio = new Audio(audioPath);
audio.onerror = () => {
console.error(`Error playing navigation audio for ${selectedCategory}`);
};
audio.play();
}
};
/**
* Handles the click event for a food item.
* @param {AacFood} food - The food item that was clicked.
* @precondition The food item must be part of the AAC_DATA.
* @postcondition The selected food is set, and the audio for the food is played if available.
* @returns {void}
*/
const handleFoodClick = (food: AacFood) => {
setSelectedItem(food);
// If a verb is active, send the verb and food selection
if (sessionId) {
sendMessage({
type: "AAC_FOOD_SELECTED",
payload: {
sessionId,
userId,
role,
food,
effect: activeVerb ? activeVerb : null
}
});
}
setActiveVerb(null);
playAudioWithDelay(food.audioPath);
};
/**
* Handles the click event for a category.
* @param {typeof AAC_DATA.categories[0]} category - The category that was clicked.
* @precondition The category must be part of the AAC_DATA.
* @postcondition The selected category is set, and the audio for the category is played if available.
* @returns {void}
*/
const handleCategoryClick = (category: typeof AAC_DATA.categories[0]) => {
setSelectedCategory(category.categoryName);
playAudioWithoutDelay(category.categoryAudioPath);
};
/**
* Handles the click event for the back button.
* @precondition The user must be in a category view.
* @postcondition The selected category is reset to null, and the back navigation audio is played.
* @returns {void}
*/
const handleBackClick = () => {
setSelectedCategory(null);
playAudioWithoutDelay("/audio/back.mp3");
};
/**
* Handles the click event for a verb button.
* @param {AacVerb} verb - The verb that was clicked.
* @precondition The verb must be part of the AAC_VERBS.
* @postcondition The selected verb is set, and the audio for the verb is played if available.
* @returns {void}
*/
const handleVerbClick = (verb: AacVerb) => {
setSelectedItem(verb);
playAudioWithoutDelay(verb.audioPath);
setActiveVerb(prev => {
// If the same verb is clicked, do nothing, otherwise replace
if (prev?.id === verb.id) return prev;
return verb;
})
};
/**
* Renders the category view with buttons for each food category.
* @returns {JSX.Element} The rendered category view.
*/
const renderCategoryView = () => {
return (
<div className="aac-grid aac-grid-categories">
{AAC_DATA.categories.map((category) => (
<button
key={category.categoryName}
onClick={() => handleCategoryClick(category)}
disabled={isAudioPlaying}
className={"aac-food-button aac-category-button"}
>
<img
src={category.categoryIcon}
alt={category.categoryName}
className="aac-food-image aac-category-icon"
/>
{category.categoryName}
</button>
))}
</div>
);
};
/**
* Renders the foods view for the selected category.
* @returns {JSX.Element | null} The rendered foods view or null if no category is selected.
*/
const renderFoodsView = () => {
const category = AAC_DATA.categories.find(cat => cat.categoryName === selectedCategory);
if (!category) return null;
return (
<div className="aac-grid aac-grid-foods">
{/* Back Button */}
<button
onClick={() => handleBackClick()}
disabled={isAudioPlaying}
className="aac-food-button aac-back-button"
>
<img
src="/assets/categories/back.png"
alt="Back"
className="aac-food-image aac-back-icon"
/>
Back
</button>
{/* Verb Buttons */}
{AAC_VERBS.map((verb) => (
<button
key={verb.name}
onClick={() => handleVerbClick(verb)}
disabled={isAudioPlaying}
className='aac-food-button'
style={{ backgroundColor: verb.color || '#0ea5e9' }}
>
<img
src={verb.imagePath}
alt={verb.name}
className="aac-food-image" />
{verb.name}
</button>
))}
{/* Food items for the selected category */}
{category.foods.map((food) => (
<button
key={food.id}
onClick={() => handleFoodClick(food)}
disabled={isAudioPlaying}
className={`aac-food-button ${selectedItem && selectedItem.id === food.id ? 'aac-food-selected' : ''}`}
>
<img
src={food.imagePath}
alt={food.name}
className="aac-food-image" />
{food.name}
</button>
))}
</div>
);
};
/**
* Renders the main AAC interface, including the selected food and category views.
* @returns {JSX.Element} The rendered AAC interface.
*/
return (
<div className="aac-container">
<div className="aac-device">
{/* Display the selected fruit */}
<div className="aac-foods">
{selectedItem ? (
<p className="aac-selected-food"> You selected: {selectedItem.name} {selectedItem.imagePath && (
<img
src={selectedItem.imagePath}
alt={selectedItem.name}
className="aac-selected-food-image-display"
/>
)}
</p>
) : (
<p className="aac-instruction">Click a food to select it</p>
)}
</div>
{selectedCategory === null ? renderCategoryView() : renderFoodsView()}
</div>
</div>
);
};
export default AacInterface; |