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import { Button, Group, Stack, Textarea } from "@mantine/core";
import { usePubSub } from "create-pubsub/react";
import {
type ChangeEvent,
type KeyboardEvent,
type ReactNode,
useCallback,
useEffect,
useRef,
useState,
} from "react";
import { useLocation } from "wouter";
import { handleEnterKeyDown } from "../../../modules/keyboard";
import { addLogEntry } from "../../../modules/logEntries";
import { postMessageToParentWindow } from "../../../modules/parentWindow";
import { settingsPubSub } from "../../../modules/pubSub";
import { getRandomQuerySuggestion } from "../../../modules/querySuggestions";
import { sleepUntilIdle } from "../../../modules/sleep";
import { searchAndRespond } from "../../../modules/textGeneration";
interface SearchFormState {
textAreaValue: string;
suggestedQuery: string;
}
export default function SearchForm({
query,
updateQuery,
additionalButtons,
}: {
query: string;
updateQuery: (query: string) => void;
additionalButtons?: ReactNode;
}) {
const textAreaRef = useRef<HTMLTextAreaElement>(null);
const defaultSuggestedQuery = "Anything you need!";
const [state, setState] = useState<SearchFormState>({
textAreaValue: query,
suggestedQuery: defaultSuggestedQuery,
});
const [, navigate] = useLocation();
const [settings] = usePubSub(settingsPubSub);
const handleMount = useCallback(async () => {
await sleepUntilIdle();
searchAndRespond();
}, []);
const fetchQuerySuggestion = useCallback(async () => {
try {
return await getRandomQuerySuggestion();
} catch (error) {
addLogEntry("Failed to get query suggestion");
return defaultSuggestedQuery;
}
}, []);
const handleInitialSuggestion = useCallback(async () => {
const suggestion = await fetchQuerySuggestion();
setState((prev) => ({ ...prev, suggestedQuery: suggestion }));
}, [fetchQuerySuggestion]);
useEffect(() => {
handleMount();
handleInitialSuggestion();
}, [handleMount, handleInitialSuggestion]);
const handleInputChange = async (event: ChangeEvent<HTMLTextAreaElement>) => {
const text = event.target.value;
setState((prev) => ({ ...prev, textAreaValue: text }));
if (text.length === 0) {
try {
const suggestion = await getRandomQuerySuggestion();
setState((prev) => ({ ...prev, suggestedQuery: suggestion }));
} catch (error) {
addLogEntry("Failed to get query suggestion");
setState((prev) => ({
...prev,
suggestedQuery: defaultSuggestedQuery,
}));
}
}
};
const handleClearButtonClick = async () => {
textAreaRef.current?.focus();
setState((prev) => ({
...prev,
textAreaValue: "",
}));
addLogEntry("User cleaned the search query field");
const suggestion = await fetchQuerySuggestion();
setState((prev) => ({
...prev,
suggestedQuery: suggestion,
}));
};
const startSearching = useCallback(() => {
const queryToEncode =
state.textAreaValue.trim().length >= 1
? state.textAreaValue
: state.suggestedQuery;
setState((prev) => ({ ...prev, textAreaValue: queryToEncode }));
const queryString = `q=${encodeURIComponent(queryToEncode)}`;
postMessageToParentWindow({ queryString, hash: "" });
navigate(`/?${queryString}`, { replace: true });
updateQuery(queryToEncode);
searchAndRespond();
addLogEntry(
`User submitted a search with ${queryToEncode.length} characters length`,
);
}, [state.textAreaValue, state.suggestedQuery, updateQuery, navigate]);
const handleSubmit = (event: { preventDefault: () => void }) => {
event.preventDefault();
startSearching();
};
const handleKeyDown = (event: KeyboardEvent<HTMLTextAreaElement>) => {
handleEnterKeyDown(event, settings, () => handleSubmit(event));
};
return (
<form onSubmit={handleSubmit} style={{ width: "100%" }}>
<Stack gap="xs">
<Textarea
value={state.textAreaValue}
placeholder={state.suggestedQuery}
ref={textAreaRef}
onKeyDown={handleKeyDown}
onChange={handleInputChange}
autosize
minRows={1}
maxRows={8}
autoFocus
/>
<Group gap="xs">
{state.textAreaValue.length >= 1 ? (
<Button
size="xs"
onClick={handleClearButtonClick}
variant="default"
>
Clear
</Button>
) : null}
<Button size="xs" type="submit" variant="default" flex={1}>
Search
</Button>
{additionalButtons}
</Group>
</Stack>
</form>
);
}
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