Examples

"use client"

import { useCallback, useEffect, useRef, useState } from "react"
import type { ComponentProps } from "react"
import { useConversation } from "@elevenlabs/react"
import {
  AudioLinesIcon,
  CheckIcon,
  CopyIcon,
  PhoneOffIcon,
  SendIcon,
} from "lucide-react"

import { cn } from "@/lib/utils"
import { Button } from "@/components/ui/button"
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
} from "@/components/ui/card"
import {
  Conversation,
  ConversationContent,
  ConversationEmptyState,
  ConversationScrollButton,
} from "@/components/ui/conversation"
import { Input } from "@/components/ui/input"
import { Message, MessageContent } from "@/components/ui/message"
import { Orb } from "@/components/ui/orb"
import { Response } from "@/components/ui/response"
import { ShimmeringText } from "@/components/ui/shimmering-text"
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip"

type SystemMessageType = "initial" | "connecting" | "connected" | "error"

interface ChatMessage {
  role: "user" | "assistant"
  content: string
  timestamp?: Date
  type?: SystemMessageType
}

const DEFAULT_AGENT = {
  agentId: process.env.NEXT_PUBLIC_ELEVENLABS_AGENT_ID!,
  name: "Customer Support",
  description: "AI Voice Assistant",
}

type ChatActionsProps = ComponentProps<"div">

const ChatActions = ({ className, children, ...props }: ChatActionsProps) => (
  <div className={cn("flex items-center gap-1", className)} {...props}>
    {children}
  </div>
)

type ChatActionProps = ComponentProps<typeof Button> & {
  tooltip?: string
  label?: string
}

const ChatAction = ({
  tooltip,
  children,
  label,
  className,
  variant = "ghost",
  size = "sm",
  ...props
}: ChatActionProps) => {
  const button = (
    <Button
      className={cn(
        "text-muted-foreground hover:text-foreground relative size-9 p-1.5",
        className
      )}
      size={size}
      type="button"
      variant={variant}
      {...props}
    >
      {children}
      <span className="sr-only">{label || tooltip}</span>
    </Button>
  )

  if (tooltip) {
    return (
      <TooltipProvider>
        <Tooltip>
          <TooltipTrigger asChild>{button}</TooltipTrigger>
          <TooltipContent>
            <p>{tooltip}</p>
          </TooltipContent>
        </Tooltip>
      </TooltipProvider>
    )
  }

  return button
}

export default function Page() {
  const [messages, setMessages] = useState<ChatMessage[]>([])
  const [agentState, setAgentState] = useState<
    "disconnected" | "connecting" | "connected" | "disconnecting" | null
  >("disconnected")
  const [textInput, setTextInput] = useState("")
  const [copiedIndex, setCopiedIndex] = useState<number | null>(null)
  const [errorMessage, setErrorMessage] = useState<string | null>(null)
  const mediaStreamRef = useRef<MediaStream | null>(null)
  const isTextOnlyModeRef = useRef<boolean>(true)

  const conversation = useConversation({
    onConnect: () => {
      // Only clear messages for voice mode
      if (!isTextOnlyModeRef.current) {
        setMessages([])
      }
    },
    onDisconnect: () => {
      // Only clear messages for voice mode
      if (!isTextOnlyModeRef.current) {
        setMessages([])
      }
    },
    onMessage: (message) => {
      if (message.message) {
        const newMessage: ChatMessage = {
          role: message.source === "user" ? "user" : "assistant",
          content: message.message,
        }
        setMessages((prev) => [...prev, newMessage])
      }
    },
    onError: (error) => {
      console.error("Error:", error)
      setAgentState("disconnected")
    },
    onDebug: (debug) => {
      console.log("Debug:", debug)
    },
  })

  const getMicStream = useCallback(async () => {
    if (mediaStreamRef.current) return mediaStreamRef.current

    try {
      const stream = await navigator.mediaDevices.getUserMedia({ audio: true })
      mediaStreamRef.current = stream
      setErrorMessage(null)
      return stream
    } catch (error) {
      if (error instanceof DOMException && error.name === "NotAllowedError") {
        setErrorMessage("Please enable microphone permissions in your browser.")
      }
      throw error
    }
  }, [])

  const startConversation = useCallback(
    async (
      textOnly: boolean = true,
      skipConnectingMessage: boolean = false
    ) => {
      try {
        isTextOnlyModeRef.current = textOnly

        if (!skipConnectingMessage) {
          setMessages([])
        }

        if (!textOnly) {
          await getMicStream()
        }

        await conversation.startSession({
          agentId: DEFAULT_AGENT.agentId,
          connectionType: textOnly ? "websocket" : "webrtc",
          overrides: {
            conversation: {
              textOnly: textOnly,
            },
            agent: {
              firstMessage: textOnly ? "" : undefined,
            },
          },
          onStatusChange: (status) => setAgentState(status.status),
        })
      } catch (error) {
        console.error(error)
        setAgentState("disconnected")
        setMessages([])
      }
    },
    [conversation, getMicStream]
  )

  const handleCall = useCallback(async () => {
    if (agentState === "disconnected" || agentState === null) {
      setAgentState("connecting")
      try {
        await startConversation(false)
      } catch {
        setAgentState("disconnected")
      }
    } else if (agentState === "connected") {
      conversation.endSession()
      setAgentState("disconnected")

      if (mediaStreamRef.current) {
        mediaStreamRef.current.getTracks().forEach((t) => t.stop())
        mediaStreamRef.current = null
      }
    }
  }, [agentState, conversation, startConversation])

  const handleTextInputChange = useCallback(
    (e: React.ChangeEvent<HTMLInputElement>) => {
      setTextInput(e.target.value)
    },
    []
  )

  const handleSendText = useCallback(async () => {
    if (!textInput.trim()) return

    const messageToSend = textInput

    if (agentState === "disconnected" || agentState === null) {
      const userMessage: ChatMessage = {
        role: "user",
        content: messageToSend,
      }
      setTextInput("")
      setAgentState("connecting")

      setMessages([userMessage])

      try {
        await startConversation(true, true)
        // Send message after connection is established
        conversation.sendUserMessage(messageToSend)
      } catch (error) {
        console.error("Failed to start conversation:", error)
      }
    } else if (agentState === "connected") {
      const newMessage: ChatMessage = {
        role: "user",
        content: messageToSend,
      }
      setMessages((prev) => [...prev, newMessage])
      setTextInput("")

      conversation.sendUserMessage(messageToSend)
    }
  }, [textInput, agentState, conversation, startConversation])

  const handleKeyDown = useCallback(
    (e: React.KeyboardEvent<HTMLInputElement>) => {
      if (e.key === "Enter" && !e.shiftKey) {
        e.preventDefault()
        handleSendText()
      }
    },
    [handleSendText]
  )

  useEffect(() => {
    return () => {
      if (mediaStreamRef.current) {
        mediaStreamRef.current.getTracks().forEach((t) => t.stop())
      }
    }
  }, [])

  const isCallActive = agentState === "connected"
  const isTransitioning =
    agentState === "connecting" || agentState === "disconnecting"

  const getInputVolume = useCallback(() => {
    const rawValue = conversation.getInputVolume?.() ?? 0
    return Math.min(1.0, Math.pow(rawValue, 0.5) * 2.5)
  }, [conversation])

  const getOutputVolume = useCallback(() => {
    const rawValue = conversation.getOutputVolume?.() ?? 0
    return Math.min(1.0, Math.pow(rawValue, 0.5) * 2.5)
  }, [conversation])

  return (
    <Card
      className={cn(
        "mx-auto flex h-[380px] w-full flex-col gap-0 overflow-hidden"
      )}
    >
      <CardHeader className="flex shrink-0 flex-row items-center justify-between pb-4">
        <div className="flex items-center gap-4">
          <div className="ring-border relative size-10 overflow-hidden rounded-full ring-1">
            <Orb
              className="h-full w-full"
              volumeMode="manual"
              getInputVolume={getInputVolume}
              getOutputVolume={getOutputVolume}
            />
          </div>
          <div className="flex flex-col gap-0.5">
            <p className="text-sm leading-none font-medium">
              {DEFAULT_AGENT.name}
            </p>
            <div className="flex items-center gap-2">
              {errorMessage ? (
                <p className="text-destructive text-xs">{errorMessage}</p>
              ) : agentState === "disconnected" || agentState === null ? (
                <p className="text-muted-foreground text-xs">
                  Tap to start voice chat
                </p>
              ) : agentState === "connected" ? (
                <p className="text-xs text-green-600">Connected</p>
              ) : isTransitioning ? (
                <ShimmeringText
                  text={agentState}
                  className="text-xs capitalize"
                />
              ) : null}
            </div>
          </div>
        </div>
        <div
          className={cn(
            "flex h-2 w-2 rounded-full transition-all duration-300",
            agentState === "connected" &&
              "bg-green-500 shadow-[0_0_8px_rgba(34,197,94,0.5)]",
            isTransitioning && "animate-pulse bg-white/40"
          )}
        />
      </CardHeader>
      <CardContent className="flex-1 overflow-hidden p-0">
        <Conversation className="h-full">
          <ConversationContent className="flex min-w-0 flex-col gap-2 p-6 pb-2">
            {messages.length === 0 ? (
              <ConversationEmptyState
                icon={<Orb className="size-12" />}
                title={
                  agentState === "connecting" ? (
                    <ShimmeringText text="Starting conversation" />
                  ) : agentState === "connected" ? (
                    <ShimmeringText text="Start talking or type" />
                  ) : (
                    "Start a conversation"
                  )
                }
                description={
                  agentState === "connecting"
                    ? "Connecting..."
                    : agentState === "connected"
                      ? "Ready to chat"
                      : "Type a message or tap the voice button"
                }
              />
            ) : (
              messages.map((message, index) => {
                return (
                  <div key={index} className="flex w-full flex-col gap-1">
                    <Message from={message.role}>
                      <MessageContent className="max-w-full min-w-0">
                        <Response className="w-auto [overflow-wrap:anywhere] whitespace-pre-wrap">
                          {message.content}
                        </Response>
                      </MessageContent>
                      {message.role === "assistant" && (
                        <div className="ring-border size-6 flex-shrink-0 self-end overflow-hidden rounded-full ring-1">
                          <Orb
                            className="h-full w-full"
                            agentState={
                              isCallActive && index === messages.length - 1
                                ? "talking"
                                : null
                            }
                          />
                        </div>
                      )}
                    </Message>
                    {message.role === "assistant" && (
                      <ChatActions>
                        <ChatAction
                          size="sm"
                          tooltip={copiedIndex === index ? "Copied!" : "Copy"}
                          onClick={() => {
                            navigator.clipboard.writeText(message.content)
                            setCopiedIndex(index)
                            setTimeout(() => setCopiedIndex(null), 2000)
                          }}
                        >
                          {copiedIndex === index ? (
                            <CheckIcon className="size-4" />
                          ) : (
                            <CopyIcon className="size-4" />
                          )}
                        </ChatAction>
                      </ChatActions>
                    )}
                  </div>
                )
              })
            )}
          </ConversationContent>
          <ConversationScrollButton />
        </Conversation>
      </CardContent>
      <CardFooter className="shrink-0 border-t">
        <div className="flex w-full items-center gap-2">
          <div className="flex flex-1 items-center gap-2">
            <Input
              value={textInput}
              onChange={handleTextInputChange}
              onKeyDown={handleKeyDown}
              placeholder="Type a message..."
              className="h-9 focus-visible:ring-0 focus-visible:ring-offset-0"
              disabled={isTransitioning}
            />
            <Button
              onClick={handleSendText}
              size="icon"
              variant="ghost"
              className="rounded-full"
              disabled={!textInput.trim() || isTransitioning}
            >
              <SendIcon className="size-4" />
              <span className="sr-only">Send message</span>
            </Button>
            {!isCallActive && (
              <Button
                onClick={handleCall}
                size="icon"
                variant="ghost"
                className={cn("relative shrink-0 rounded-full transition-all")}
                disabled={isTransitioning}
              >
                <AudioLinesIcon className="size-4" />
                <span className="sr-only">Start voice call</span>
              </Button>
            )}
            {isCallActive && (
              <Button
                onClick={handleCall}
                size="icon"
                variant="secondary"
                className={cn("relative shrink-0 rounded-full transition-all")}
                disabled={isTransitioning}
              >
                <PhoneOffIcon className="size-4" />
                <span className="sr-only">End call</span>
              </Button>
            )}
          </div>
        </div>
      </CardFooter>
    </Card>
  )
}

"use client"

import { useCallback, useState } from "react"
import { useConversation } from "@elevenlabs/react"
import { AnimatePresence, motion } from "framer-motion"
import { Loader2Icon, PhoneIcon, PhoneOffIcon } from "lucide-react"

import { cn } from "@/lib/utils"
import { Button } from "@/components/ui/button"
import { Card } from "@/components/ui/card"
import { Orb } from "@/components/ui/orb"
import { ShimmeringText } from "@/components/ui/shimmering-text"

const DEFAULT_AGENT = {
  agentId: process.env.NEXT_PUBLIC_ELEVENLABS_AGENT_ID!,
  name: "Customer Support",
  description: "Tap to start voice chat",
}

type AgentState =
  | "disconnected"
  | "connecting"
  | "connected"
  | "disconnecting"
  | null

export default function Page() {
  const [agentState, setAgentState] = useState<AgentState>("disconnected")
  const [errorMessage, setErrorMessage] = useState<string | null>(null)

  const conversation = useConversation({
    onConnect: () => console.log("Connected"),
    onDisconnect: () => console.log("Disconnected"),
    onMessage: (message) => console.log("Message:", message),
    onError: (error) => {
      console.error("Error:", error)
      setAgentState("disconnected")
    },
  })

  const startConversation = useCallback(async () => {
    try {
      setErrorMessage(null)
      await navigator.mediaDevices.getUserMedia({ audio: true })
      await conversation.startSession({
        agentId: DEFAULT_AGENT.agentId,
        connectionType: "webrtc",
        onStatusChange: (status) => setAgentState(status.status),
      })
    } catch (error) {
      console.error("Error starting conversation:", error)
      setAgentState("disconnected")
      if (error instanceof DOMException && error.name === "NotAllowedError") {
        setErrorMessage("Please enable microphone permissions in your browser.")
      }
    }
  }, [conversation])

  const handleCall = useCallback(() => {
    if (agentState === "disconnected" || agentState === null) {
      setAgentState("connecting")
      startConversation()
    } else if (agentState === "connected") {
      conversation.endSession()
      setAgentState("disconnected")
    }
  }, [agentState, conversation, startConversation])

  const isCallActive = agentState === "connected"
  const isTransitioning =
    agentState === "connecting" || agentState === "disconnecting"

  const getInputVolume = useCallback(() => {
    const rawValue = conversation.getInputVolume?.() ?? 0
    return Math.min(1.0, Math.pow(rawValue, 0.5) * 2.5)
  }, [conversation])

  const getOutputVolume = useCallback(() => {
    const rawValue = conversation.getOutputVolume?.() ?? 0
    return Math.min(1.0, Math.pow(rawValue, 0.5) * 2.5)
  }, [conversation])

  return (
    <Card className="flex h-[400px] w-full flex-col items-center justify-center overflow-hidden p-6">
      <div className="flex flex-col items-center gap-6">
        <div className="relative size-32">
          <div className="bg-muted relative h-full w-full rounded-full p-1 shadow-[inset_0_2px_8px_rgba(0,0,0,0.1)] dark:shadow-[inset_0_2px_8px_rgba(0,0,0,0.5)]">
            <div className="bg-background h-full w-full overflow-hidden rounded-full shadow-[inset_0_0_12px_rgba(0,0,0,0.05)] dark:shadow-[inset_0_0_12px_rgba(0,0,0,0.3)]">
              <Orb
                className="h-full w-full"
                volumeMode="manual"
                getInputVolume={getInputVolume}
                getOutputVolume={getOutputVolume}
              />
            </div>
          </div>
        </div>

        <div className="flex flex-col items-center gap-2">
          <h2 className="text-xl font-semibold">{DEFAULT_AGENT.name}</h2>
          <AnimatePresence mode="wait">
            {errorMessage ? (
              <motion.p
                key="error"
                initial={{ opacity: 0, y: -10 }}
                animate={{ opacity: 1, y: 0 }}
                exit={{ opacity: 0, y: 10 }}
                className="text-destructive text-center text-sm"
              >
                {errorMessage}
              </motion.p>
            ) : agentState === "disconnected" || agentState === null ? (
              <motion.p
                key="disconnected"
                initial={{ opacity: 0, y: -10 }}
                animate={{ opacity: 1, y: 0 }}
                exit={{ opacity: 0, y: 10 }}
                className="text-muted-foreground text-sm"
              >
                {DEFAULT_AGENT.description}
              </motion.p>
            ) : (
              <motion.div
                key="status"
                initial={{ opacity: 0, y: -10 }}
                animate={{ opacity: 1, y: 0 }}
                exit={{ opacity: 0, y: 10 }}
                className="flex items-center gap-2"
              >
                <div
                  className={cn(
                    "h-2 w-2 rounded-full transition-all duration-300",
                    agentState === "connected" && "bg-green-500",
                    isTransitioning && "bg-primary/60 animate-pulse"
                  )}
                />
                <span className="text-sm capitalize">
                  {isTransitioning ? (
                    <ShimmeringText text={agentState} />
                  ) : (
                    <span className="text-green-600">Connected</span>
                  )}
                </span>
              </motion.div>
            )}
          </AnimatePresence>
        </div>

        <Button
          onClick={handleCall}
          disabled={isTransitioning}
          size="icon"
          variant={isCallActive ? "secondary" : "default"}
          className="h-12 w-12 rounded-full"
        >
          <AnimatePresence mode="wait">
            {isTransitioning ? (
              <motion.div
                key="loading"
                initial={{ opacity: 0, rotate: 0 }}
                animate={{ opacity: 1, rotate: 360 }}
                exit={{ opacity: 0 }}
                transition={{
                  rotate: { duration: 1, repeat: Infinity, ease: "linear" },
                }}
              >
                <Loader2Icon className="h-5 w-5" />
              </motion.div>
            ) : isCallActive ? (
              <motion.div
                key="end"
                initial={{ opacity: 0, scale: 0.5 }}
                animate={{ opacity: 1, scale: 1 }}
                exit={{ opacity: 0, scale: 0.5 }}
              >
                <PhoneOffIcon className="h-5 w-5" />
              </motion.div>
            ) : (
              <motion.div
                key="start"
                initial={{ opacity: 0, scale: 0.5 }}
                animate={{ opacity: 1, scale: 1 }}
                exit={{ opacity: 0, scale: 0.5 }}
              >
                <PhoneIcon className="h-5 w-5" />
              </motion.div>
            )}
          </AnimatePresence>
        </Button>
      </div>
    </Card>
  )
}

"use client"

import { useState } from "react"
import { CheckIcon, CopyIcon } from "lucide-react"

import { cn } from "@/lib/utils"
import { Button } from "@/components/ui/button"
import { Card, CardContent } from "@/components/ui/card"
import {
  Conversation,
  ConversationContent,
  ConversationEmptyState,
  ConversationScrollButton,
} from "@/components/ui/conversation"
import { ConversationBar } from "@/components/ui/conversation-bar"
import { Message, MessageContent } from "@/components/ui/message"
import { Orb } from "@/components/ui/orb"
import { Response } from "@/components/ui/response"
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip"

const DEFAULT_AGENT_ID = process.env.NEXT_PUBLIC_ELEVENLABS_AGENT_ID!

interface ChatMessage {
  role: "user" | "assistant"
  content: string
}

export default function Page() {
  const [messages, setMessages] = useState<ChatMessage[]>([])
  const [copiedIndex, setCopiedIndex] = useState<number | null>(null)

  return (
    <div className="relative mx-auto h-[600px] w-full">
      <Card className="flex h-full w-full flex-col gap-0 overflow-hidden">
        <CardContent className="relative flex-1 overflow-hidden p-0">
          <Conversation className="absolute inset-0 pb-[88px]">
            <ConversationContent className="flex min-w-0 flex-col gap-2 p-6 pb-6">
              {messages.length === 0 ? (
                <ConversationEmptyState
                  icon={<Orb className="size-12" />}
                  title="Start a conversation"
                  description="Tap the phone button or type a message"
                />
              ) : (
                messages.map((message, index) => {
                  return (
                    <div key={index} className="flex w-full flex-col gap-1">
                      <Message from={message.role}>
                        <MessageContent className="max-w-full min-w-0">
                          <Response className="w-auto [overflow-wrap:anywhere] whitespace-pre-wrap">
                            {message.content}
                          </Response>
                        </MessageContent>
                        {message.role === "assistant" && (
                          <div className="ring-border size-6 flex-shrink-0 self-end overflow-hidden rounded-full ring-1">
                            <Orb className="h-full w-full" />
                          </div>
                        )}
                      </Message>
                      {message.role === "assistant" && (
                        <div className="flex items-center gap-1">
                          <TooltipProvider>
                            <Tooltip>
                              <TooltipTrigger asChild>
                                <Button
                                  className={cn(
                                    "text-muted-foreground hover:text-foreground relative size-9 p-1.5"
                                  )}
                                  size="sm"
                                  type="button"
                                  variant="ghost"
                                  onClick={() => {
                                    navigator.clipboard.writeText(
                                      message.content
                                    )
                                    setCopiedIndex(index)
                                    setTimeout(() => setCopiedIndex(null), 2000)
                                  }}
                                >
                                  {copiedIndex === index ? (
                                    <CheckIcon className="size-4" />
                                  ) : (
                                    <CopyIcon className="size-4" />
                                  )}
                                  <span className="sr-only">
                                    {copiedIndex === index ? "Copied!" : "Copy"}
                                  </span>
                                </Button>
                              </TooltipTrigger>
                              <TooltipContent>
                                <p>
                                  {copiedIndex === index ? "Copied!" : "Copy"}
                                </p>
                              </TooltipContent>
                            </Tooltip>
                          </TooltipProvider>
                        </div>
                      )}
                    </div>
                  )
                })
              )}
            </ConversationContent>
            <ConversationScrollButton className="bottom-[100px]" />
          </Conversation>
          <div className="absolute right-0 bottom-0 left-0 flex justify-center">
            <ConversationBar
              className="w-full max-w-2xl"
              agentId={DEFAULT_AGENT_ID}
              onConnect={() => setMessages([])}
              onDisconnect={() => setMessages([])}
              onSendMessage={(message) => {
                const userMessage: ChatMessage = {
                  role: "user",
                  content: message,
                }
                setMessages((prev) => [...prev, userMessage])
              }}
              onMessage={(message) => {
                const newMessage: ChatMessage = {
                  role: message.source === "user" ? "user" : "assistant",
                  content: message.message,
                }
                setMessages((prev) => [...prev, newMessage])
              }}
              onError={(error) => console.error("Conversation error:", error)}
            />
          </div>
        </CardContent>
      </Card>
    </div>
  )
}