backstory/frontend/src/pages/GenerateCandidate.tsx

313 lines
13 KiB
TypeScript

import React, { useEffect, useState, useRef, useCallback } from 'react';
import Avatar from '@mui/material/Avatar';
import Box from '@mui/material/Box';
import Tooltip from '@mui/material/Tooltip';
import Button from '@mui/material/Button';
import Paper from '@mui/material/Paper';
import IconButton from '@mui/material/IconButton';
import CancelIcon from '@mui/icons-material/Cancel';
import SendIcon from '@mui/icons-material/Send';
import PropagateLoader from 'react-spinners/PropagateLoader';
import { CandidateInfo } from '../components/ui/CandidateInfo';
import { Quote } from 'components/Quote';
import { BackstoryElementProps } from 'components/BackstoryTab';
import { BackstoryTextField, BackstoryTextFieldRef } from 'components/BackstoryTextField';
import { StyledMarkdown } from 'components/StyledMarkdown';
import { Scrollable } from '../components/Scrollable';
import { Pulse } from 'components/Pulse';
import { StreamingResponse } from 'services/api-client';
import { ChatMessage, ChatMessageUser, ChatSession, CandidateAI, ChatMessageStatus, ChatMessageError } from 'types/types';
import { useAuth } from 'hooks/AuthContext';
import { Message } from 'components/Message';
const defaultMessage: ChatMessage = {
status: "done", type: "text", sessionId: "", timestamp: new Date(), content: "", role: "user"
};
const GenerateCandidate = (props: BackstoryElementProps) => {
const { apiClient, user } = useAuth();
const { setSnack, submitQuery } = props;
const [processingMessage, setProcessingMessage] = useState<ChatMessage | null>(null);
const [processing, setProcessing] = useState<boolean>(false);
const [generatedUser, setGeneratedUser] = useState<CandidateAI | null>(null);
const [prompt, setPrompt] = useState<string>('');
const [resume, setResume] = useState<string | null>(null);
const [canGenImage, setCanGenImage] = useState<boolean>(false);
const [timestamp, setTimestamp] = useState<string>('');
const [shouldGenerateProfile, setShouldGenerateProfile] = useState<boolean>(false);
const [chatSession, setChatSession] = useState<ChatSession | null>(null);
const [loading, setLoading] = useState<boolean>(false);
// Only keep refs that are truly necessary
const controllerRef = useRef<StreamingResponse>(null);
const backstoryTextRef = useRef<BackstoryTextFieldRef>(null);
/* Create the chat session */
useEffect(() => {
if (chatSession || loading || !generatedUser) {
return;
}
try {
setLoading(true);
apiClient.getOrCreateChatSession(generatedUser, `Profile image generator for ${generatedUser.fullName}`, 'generate_image')
.then(session => {
setChatSession(session);
setLoading(false);
});
} catch (error) {
setSnack('Unable to load chat session', 'error');
} finally {
setLoading(false);
}
}, [generatedUser, chatSession, loading, setChatSession, setLoading, setSnack, apiClient]);
const cancelQuery = useCallback(() => {
if (controllerRef.current) {
controllerRef.current.cancel();
controllerRef.current = null;
setProcessing(false);
}
}, []);
const onEnter = useCallback((value: string) => {
if (processing) {
return;
}
const generatePersona = async (prompt: string) => {
const userMessage: ChatMessageUser = {
type: "text",
role: "user",
content: prompt,
sessionId: "",
status: "done",
timestamp: new Date()
};
setPrompt(prompt || '');
setProcessing(true);
setProcessingMessage({ ...defaultMessage, content: "Generating persona..." });
try {
const result = await apiClient.createCandidateAI(userMessage);
console.log(result.message, result);
setGeneratedUser(result.candidate);
setResume(result.resume);
setCanGenImage(true);
setShouldGenerateProfile(true); // Reset the flag
} catch (error) {
console.error(error);
setPrompt('');
setResume(null);
setProcessing(false);
setProcessingMessage(null);
setSnack("Unable to generate AI persona", "error");
}
};
generatePersona(value);
}, [processing, apiClient, setSnack]);
const handleSendClick = useCallback(() => {
const value = (backstoryTextRef.current && backstoryTextRef.current.getAndResetValue()) || "";
onEnter(value);
}, [onEnter]);
// Effect to trigger profile image generation when user data is ready
useEffect(() => {
if (!chatSession || !generatedUser?.username) {
return;
}
const username = generatedUser.username;
if (!shouldGenerateProfile || username === "[blank]" || generatedUser?.firstName === "[blank]") {
return;
}
if (controllerRef.current) {
console.log("Controller already active, skipping profile generation");
return;
}
setProcessingMessage({ ...defaultMessage, content: 'Starting image generation...' });
setProcessing(true);
setCanGenImage(false);
const chatMessage: ChatMessageUser = {
sessionId: chatSession.id || '',
role: "user",
status: "done",
type: "text",
timestamp: new Date(),
content: prompt
};
controllerRef.current = apiClient.sendMessageStream(chatMessage, {
onMessage: async (msg: ChatMessage) => {
console.log(`onMessage: ${msg.type} ${msg.content}`, msg);
controllerRef.current = null;
try {
await apiClient.updateCandidate(generatedUser.id || '', { profileImage: "profile.png" });
const { success, message } = await apiClient.deleteChatSession(chatSession.id || '');
console.log(`Profile generated for ${username} and chat session was ${!success ? 'not ' : ''} deleted: ${message}}`);
setGeneratedUser({
...generatedUser,
profileImage: "profile.png"
} as CandidateAI);
setCanGenImage(true);
setShouldGenerateProfile(false);
} catch (error) {
console.error(error);
setSnack(`Unable to update ${username} to indicate they have a profile picture.`, "error");
}
},
onError: (error: string | ChatMessageError) => {
console.log("onError:", error);
// Type-guard to determine if this is a ChatMessageBase or a string
if (typeof error === "object" && error !== null && "content" in error) {
setSnack(error.content || "Unknown error generating profile image", "error");
} else {
setSnack(error as string, "error");
}
setProcessingMessage(null);
setProcessing(false);
controllerRef.current = null;
setCanGenImage(true);
setShouldGenerateProfile(false);
},
onComplete: () => {
setProcessingMessage(null);
setProcessing(false);
controllerRef.current = null;
setCanGenImage(true);
setShouldGenerateProfile(false);
},
onStatus: (status: ChatMessageStatus) => {
if (status.activity === "heartbeat" && status.content) {
setTimestamp(status.timestamp?.toISOString() || '');
} else if (status.content) {
setProcessingMessage({ ...defaultMessage, content: status.content });
}
console.log(`onStatusChange: ${status}`);
},
});
}, [chatSession, shouldGenerateProfile, generatedUser, prompt, setSnack, apiClient]);
if (!user?.isAdmin) {
return (<Box>You must be logged in as an admin to generate AI candidates.</Box>);
}
return (
<Box className="GenerateCandidate" sx={{
display: "flex",
flexDirection: "column",
flexGrow: 1,
gap: 1,
maxWidth: { xs: '100%', md: '700px', lg: '1024px' },
}}>
{generatedUser && <CandidateInfo
candidate={generatedUser}
sx={{flexShrink: 1}}/>
}
{ prompt &&
<Quote quote={prompt}/>
}
{processing &&
<Box sx={{
display: "flex",
flexDirection: "column",
alignItems: "center",
justifyContent: "center",
m: 2,
}}>
{processingMessage && chatSession && <Message message={processingMessage} {...{ chatSession, submitQuery, setSnack }} />}
<PropagateLoader
size="10px"
loading={processing}
aria-label="Loading Spinner"
data-testid="loader"
/>
</Box>
}
<Box sx={{display: "flex", flexDirection: "column"}}>
<Box sx={{
display: "flex",
flexDirection: "row",
position: "relative"
}}>
<Box sx={{ display: "flex", position: "relative", width: "min-content", height: "min-content" }}>
<Avatar
src={generatedUser?.profileImage ? `/api/1.0/candidates/profile/${generatedUser.username}` : ''}
alt={`${generatedUser?.fullName}'s profile`}
sx={{
width: 80,
height: 80,
border: '2px solid #e0e0e0',
}}
/>
{processing && <Pulse sx={{ position: "relative", left: "-80px", top: "0px", mr: "-80px" }} timestamp={timestamp} />}
</Box>
<Tooltip title={`${generatedUser?.profileImage ? 'Re-' : ''}Generate Picture`}>
<span style={{ display: "flex", flexGrow: 1 }}>
<Button
sx={{ m: 1, gap: 1, justifySelf: "flex-start", alignSelf: "center", flexGrow: 0, maxHeight: "min-content" }}
variant="contained"
disabled={
processing || !canGenImage
}
onClick={() => { setShouldGenerateProfile(true); }}>
{generatedUser?.profileImage ? 'Re-' : ''}Generate Picture<SendIcon />
</Button>
</span>
</Tooltip>
</Box>
</Box>
{resume &&
<Paper sx={{pt: 1, pb: 1, pl: 2, pr: 2}}>
<Scrollable sx={{flexGrow: 1}}>
<StyledMarkdown {...{ content: resume, setSnack, submitQuery }} />
</Scrollable>
</Paper>
}
<BackstoryTextField
style={{ flexGrow: 0, flexShrink: 1 }}
ref={backstoryTextRef}
disabled={processing}
onEnter={onEnter}
placeholder='Specify any characteristics you would like the persona to have. For example, "This person likes yo-yos."'
/>
<Box sx={{ display: "flex", justifyContent: "center", flexDirection: "row" }}>
<Tooltip title={"Send"}>
<span style={{ display: "flex", flexGrow: 1 }}>
<Button
sx={{ m: 1, gap: 1, flexGrow: 1 }}
variant="contained"
disabled={processing}
onClick={handleSendClick}>
Generate New Persona<SendIcon />
</Button>
</span>
</Tooltip>
<Tooltip title="Cancel">
<span style={{ display: "flex" }}> { /* This span is used to wrap the IconButton to ensure Tooltip works even when disabled */}
<IconButton
aria-label="cancel"
onClick={cancelQuery}
sx={{ display: "flex", margin: 'auto 0px' }}
size="large"
edge="start"
disabled={controllerRef.current === null || processing === false}
>
<CancelIcon />
</IconButton>
</span>
</Tooltip>
</Box>
<Box sx={{display: "flex", flexGrow: 1}}/>
</Box>);
};
export {
GenerateCandidate
};