File size: 4,673 Bytes
a80ecb8
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
import { cn } from '@/lib/utils';
import { ArrowUp } from 'lucide-react';
import { useEffect, useRef, useState } from 'react';
import TextareaAutosize from 'react-textarea-autosize';
import Attach from './MessageInputActions/Attach';
import CopilotToggle from './MessageInputActions/Copilot';
import { File } from './ChatWindow';
import AttachSmall from './MessageInputActions/AttachSmall';

const MessageInput = ({
  sendMessage,
  loading,
  fileIds,
  setFileIds,
  files,
  setFiles,
}: {
  sendMessage: (message: string) => void;
  loading: boolean;
  fileIds: string[];
  setFileIds: (fileIds: string[]) => void;
  files: File[];
  setFiles: (files: File[]) => void;
}) => {
  const [copilotEnabled, setCopilotEnabled] = useState(false);
  const [message, setMessage] = useState('');
  const [textareaRows, setTextareaRows] = useState(1);
  const [mode, setMode] = useState<'multi' | 'single'>('single');

  useEffect(() => {
    if (textareaRows >= 2 && message && mode === 'single') {
      setMode('multi');
    } else if (!message && mode === 'multi') {
      setMode('single');
    }
  }, [textareaRows, mode, message]);

  const inputRef = useRef<HTMLTextAreaElement | null>(null);

  useEffect(() => {
    const handleKeyDown = (e: KeyboardEvent) => {
      const activeElement = document.activeElement;

      const isInputFocused =
        activeElement?.tagName === 'INPUT' ||
        activeElement?.tagName === 'TEXTAREA' ||
        activeElement?.hasAttribute('contenteditable');

      if (e.key === '/' && !isInputFocused) {
        e.preventDefault();
        inputRef.current?.focus();
      }
    };

    document.addEventListener('keydown', handleKeyDown);

    return () => {
      document.removeEventListener('keydown', handleKeyDown);
    };
  }, []);

  return (
    <form
      onSubmit={(e) => {
        if (loading) return;
        e.preventDefault();
        sendMessage(message);
        setMessage('');
      }}
      onKeyDown={(e) => {
        if (e.key === 'Enter' && !e.shiftKey && !loading) {
          e.preventDefault();
          sendMessage(message);
          setMessage('');
        }
      }}
      className={cn(
        'bg-light-secondary dark:bg-dark-secondary p-4 flex items-center overflow-hidden border border-light-200 dark:border-dark-200',
        mode === 'multi' ? 'flex-col rounded-lg' : 'flex-row rounded-full',
      )}
    >
      {mode === 'single' && (
        <AttachSmall
          fileIds={fileIds}
          setFileIds={setFileIds}
          files={files}
          setFiles={setFiles}
        />
      )}
      <TextareaAutosize
        ref={inputRef}
        value={message}
        onChange={(e) => setMessage(e.target.value)}
        onHeightChange={(height, props) => {
          setTextareaRows(Math.ceil(height / props.rowHeight));
        }}
        className="transition bg-transparent dark:placeholder:text-white/50 placeholder:text-sm text-sm dark:text-white resize-none focus:outline-none w-full px-2 max-h-24 lg:max-h-36 xl:max-h-48 flex-grow flex-shrink"
        placeholder="Ask a follow-up"
      />
      {mode === 'single' && (
        <div className="flex flex-row items-center space-x-4">
          <CopilotToggle
            copilotEnabled={copilotEnabled}
            setCopilotEnabled={setCopilotEnabled}
          />
          <button
            disabled={message.trim().length === 0 || loading}
            className="bg-[#24A0ED] text-white disabled:text-black/50 dark:disabled:text-white/50 hover:bg-opacity-85 transition duration-100 disabled:bg-[#e0e0dc79] dark:disabled:bg-[#ececec21] rounded-full p-2"
          >
            <ArrowUp className="bg-background" size={17} />
          </button>
        </div>
      )}
      {mode === 'multi' && (
        <div className="flex flex-row items-center justify-between w-full pt-2">
          <AttachSmall
            fileIds={fileIds}
            setFileIds={setFileIds}
            files={files}
            setFiles={setFiles}
          />
          <div className="flex flex-row items-center space-x-4">
            <CopilotToggle
              copilotEnabled={copilotEnabled}
              setCopilotEnabled={setCopilotEnabled}
            />
            <button
              disabled={message.trim().length === 0 || loading}
              className="bg-[#24A0ED] text-white text-black/50 dark:disabled:text-white/50 hover:bg-opacity-85 transition duration-100 disabled:bg-[#e0e0dc79] dark:disabled:bg-[#ececec21] rounded-full p-2"
            >
              <ArrowUp className="bg-background" size={17} />
            </button>
          </div>
        </div>
      )}
    </form>
  );
};

export default MessageInput;