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import { useFetchMindMap, useFetchRelatedQuestions } from '@/hooks/chat-hooks';
import { useTestChunkRetrieval } from '@/hooks/knowledge-hooks';
import {
useGetPaginationWithRouter,
useSendMessageWithSse,
} from '@/hooks/logic-hooks';
import { IAnswer } from '@/interfaces/database/chat';
import api from '@/utils/api';
import { get, isEmpty, trim } from 'lodash';
import { ChangeEventHandler, useCallback, useEffect, useState } from 'react';
export const useSendQuestion = (kbIds: string[]) => {
const { send, answer, done } = useSendMessageWithSse(api.ask);
const { testChunk, loading } = useTestChunkRetrieval();
const [sendingLoading, setSendingLoading] = useState(false);
const [currentAnswer, setCurrentAnswer] = useState({} as IAnswer);
const { fetchRelatedQuestions, data: relatedQuestions } =
useFetchRelatedQuestions();
const {
fetchMindMap,
data: mindMap,
loading: mindMapLoading,
} = useFetchMindMap();
const [searchStr, setSearchStr] = useState<string>('');
const [isFirstRender, setIsFirstRender] = useState(true);
const [selectedDocumentIds, setSelectedDocumentIds] = useState<string[]>([]);
const { pagination } = useGetPaginationWithRouter();
const sendQuestion = useCallback(
(question: string) => {
const q = trim(question);
if (isEmpty(q)) return;
setIsFirstRender(false);
setCurrentAnswer({} as IAnswer);
setSendingLoading(true);
send({ kb_ids: kbIds, question: q });
testChunk({ kb_id: kbIds, highlight: true, question: q });
fetchMindMap({
question: q,
kb_ids: kbIds,
});
fetchRelatedQuestions(q);
},
[send, testChunk, kbIds, fetchRelatedQuestions, fetchMindMap],
);
const handleSearchStrChange: ChangeEventHandler<HTMLInputElement> =
useCallback((e) => {
setSearchStr(e.target.value);
}, []);
const handleClickRelatedQuestion = useCallback(
(question: string) => () => {
if (sendingLoading) return;
setSearchStr(question);
sendQuestion(question);
},
[sendQuestion, sendingLoading],
);
const handleTestChunk = useCallback(
(documentIds: string[], page: number = 1, size: number = 10) => {
const q = trim(searchStr);
if (sendingLoading || isEmpty(q)) return;
testChunk({
kb_id: kbIds,
highlight: true,
question: q,
doc_ids: documentIds ?? selectedDocumentIds,
page,
size,
});
},
[sendingLoading, searchStr, kbIds, testChunk, selectedDocumentIds],
);
useEffect(() => {
if (!isEmpty(answer)) {
setCurrentAnswer(answer);
}
return () => {
setCurrentAnswer({} as IAnswer);
};
}, [answer]);
useEffect(() => {
if (done) {
setSendingLoading(false);
}
}, [done]);
return {
sendQuestion,
handleSearchStrChange,
handleClickRelatedQuestion,
handleTestChunk,
setSelectedDocumentIds,
loading,
sendingLoading,
answer: currentAnswer,
relatedQuestions: relatedQuestions?.slice(0, 5) ?? [],
mindMap,
mindMapLoading,
searchStr,
isFirstRender,
selectedDocumentIds,
};
};
export const useFetchBackgroundImage = () => {
const [imgUrl, setImgUrl] = useState<string>('');
const fetchImage = useCallback(async () => {
try {
const res = await fetch(
'/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN',
);
const ret = await res.json();
const url = get(ret, 'images.0.url');
if (url) {
setImgUrl(url);
}
} catch (error) {
console.log('🚀 ~ fetchImage ~ error:', error);
}
}, []);
useEffect(() => {
fetchImage();
}, [fetchImage]);
return `https://cn.bing.com${imgUrl}`;
};
export const useTestRetrieval = (
kbIds: string[],
searchStr: string,
sendingLoading: boolean,
) => {
const { testChunk, loading } = useTestChunkRetrieval();
const { pagination } = useGetPaginationWithRouter();
const [selectedDocumentIds, setSelectedDocumentIds] = useState<string[]>([]);
const handleTestChunk = useCallback(() => {
const q = trim(searchStr);
if (sendingLoading || isEmpty(q)) return;
testChunk({
kb_id: kbIds,
highlight: true,
question: q,
doc_ids: Array.isArray(selectedDocumentIds) ? selectedDocumentIds : [],
page: pagination.current,
size: pagination.pageSize,
});
}, [
sendingLoading,
searchStr,
kbIds,
testChunk,
selectedDocumentIds,
pagination,
]);
useEffect(() => {
handleTestChunk();
}, [handleTestChunk]);
return {
loading,
selectedDocumentIds,
setSelectedDocumentIds,
};
};
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