From a21bddab772a727048b4ca2deab27ecbabff0fab Mon Sep 17 00:00:00 2001
From: Ben Xu <benx.xu@mail.utoronto.ca>
Date: Thu, 2 May 2024 19:24:57 -0400
Subject: [PATCH] add record button

---
 .../ios/react-native/src/screens/Main.tsx     |  12 +-
 .../react-native/src/utils/RecordButton.ts    | 180 ++++++++++++++++++
 2 files changed, 191 insertions(+), 1 deletion(-)
 create mode 100644 software/source/clients/ios/react-native/src/utils/RecordButton.ts

diff --git a/software/source/clients/ios/react-native/src/screens/Main.tsx b/software/source/clients/ios/react-native/src/screens/Main.tsx
index 3f37ac2..26f0d97 100644
--- a/software/source/clients/ios/react-native/src/screens/Main.tsx
+++ b/software/source/clients/ios/react-native/src/screens/Main.tsx
@@ -8,7 +8,7 @@ import useStore from "../utils/state";
 import { Animated } from "react-native";
 import * as Haptics from "expo-haptics";
 import useSoundEffect from "../utils/useSoundEffect";
-// import IconImage from "../../assets/qr.png";
+import RecordButton from "../utils/RecordButton";
 import { useNavigation } from "@react-navigation/native";
 
 interface MainProps {
@@ -331,6 +331,16 @@ const Main: React.FC<MainProps> = ({ route }) => {
         >
           {connectionStatus}
         </Text>
+        <RecordButton
+          playPip={playPip}
+          playPop={playPop}
+          recording={recording}
+          setRecording={setRecording}
+          ws={ws}
+          backgroundColorAnim={backgroundColorAnim}
+          buttonBackgroundColorAnim={buttonBackgroundColorAnim}
+          setIsPressed={setIsPressed}
+        />
         <TouchableOpacity
           style={styles.button}
           onPressIn={() => {
diff --git a/software/source/clients/ios/react-native/src/utils/RecordButton.ts b/software/source/clients/ios/react-native/src/utils/RecordButton.ts
new file mode 100644
index 0000000..30f6192
--- /dev/null
+++ b/software/source/clients/ios/react-native/src/utils/RecordButton.ts
@@ -0,0 +1,180 @@
+import React, { useState, useEffect, useCallback, useRef } from "react";
+import { View, Text, TouchableOpacity, StyleSheet, Image, Touchable } from "react-native";
+import * as FileSystem from "expo-file-system";
+import { AVPlaybackStatus, AVPlaybackStatusSuccess, Audio } from "expo-av";
+import { create } from "zustand";
+import useStore from "../utils/state";
+import { Animated } from "react-native";
+import * as Haptics from "expo-haptics";
+import useSoundEffect from "../utils/useSoundEffect";
+
+import { useNavigation } from "@react-navigation/native";
+
+interface RecordButtonProps {
+    playPip: () => void;
+    playPop: () => void;
+    recording: Audio.Recording | null;
+    setRecording: (recording: Audio.Recording | null) => void;
+    ws: WebSocket | null;
+    backgroundColorAnim: Animated.Value;
+    buttonBackgroundColorAnim: Animated.Value;
+    setIsPressed: (isPressed: boolean) => void;
+}
+
+
+const styles = StyleSheet.create({
+    container: {
+      flex: 1,
+      position: "relative",
+    },
+    middle: {
+      flex: 1,
+      justifyContent: "center",
+      alignItems: "center",
+      padding: 10,
+      position: "relative",
+    },
+    circle: {
+      width: 100,
+      height: 100,
+      borderRadius: 50,
+      justifyContent: "center",
+      alignItems: "center",
+    },
+    qr: {
+      position: "absolute",
+      top: 30,
+      left: 10,
+      padding: 10,
+      zIndex: 100,
+    },
+    icon: {
+      height: 40,
+      width: 40,
+    },
+    topBar: {
+      height: 40,
+      backgroundColor: "#000",
+      paddingTop: 50,
+    },
+
+    button: {
+      width: 100,
+      height: 100,
+      borderRadius: 50,
+      justifyContent: "center",
+      alignItems: "center",
+    },
+    buttonTextDefault: {
+      color: "black",
+      fontSize: 16,
+    },
+    buttonTextRecording: {
+      color: "white",
+      fontSize: 16,
+    },
+    statusText: {
+      position: "absolute",
+      bottom: 20,
+      alignSelf: "center",
+      fontSize: 12,
+      fontWeight: "bold",
+    },
+  });
+
+
+const RecordButton = ({ playPip, playPop, recording, setRecording, ws, backgroundColorAnim, buttonBackgroundColorAnim, setIsPressed}: RecordButtonProps) => {
+    const [permissionResponse, requestPermission] = Audio.usePermissions();
+
+    useEffect(() => {
+        console.log("Permission Response:", permissionResponse);
+        if (permissionResponse?.status !== "granted") {
+        console.log("Requesting permission..");
+        requestPermission();
+        }
+    }, []);
+
+    const startRecording = useCallback(async () => {
+        if (recording) {
+          console.log("A recording is already in progress.");
+          return;
+        }
+
+        try {
+          console.log("🌶️🌶️🌶️🌶️🌶️🌶️🌶️🌶️🌶️🌶️");
+
+          console.log(permissionResponse);
+
+          if (
+            permissionResponse !== null &&
+            permissionResponse.status !== `granted`
+          ) {
+            console.log("Requesting permission..");
+            await requestPermission();
+          }
+
+          await Audio.setAudioModeAsync({
+            allowsRecordingIOS: true,
+            playsInSilentModeIOS: true,
+          });
+
+          console.log("Starting recording..");
+          const newRecording = new Audio.Recording();
+          await newRecording.prepareToRecordAsync(
+            Audio.RecordingOptionsPresets.HIGH_QUALITY
+          );
+          await newRecording.startAsync();
+
+          setRecording(newRecording);
+        } catch (err) {
+          console.error("Failed to start recording", err);
+        }
+      }, []);
+
+      const stopRecording = useCallback(async () => {
+        console.log("Stopping recording..");
+
+        if (recording) {
+          await recording.stopAndUnloadAsync();
+          await Audio.setAudioModeAsync({
+            allowsRecordingIOS: false,
+          });
+          const uri = recording.getURI();
+          // console.log("recording uri at ", uri);
+          setRecording(null);
+
+          if (ws && uri) {
+            const response = await fetch(uri);
+            // console.log("fetched audio file", response);
+            const blob = await response.blob();
+
+            const reader = new FileReader();
+            reader.readAsArrayBuffer(blob);
+            reader.onloadend = () => {
+              const audioBytes = reader.result;
+              if (audioBytes) {
+                ws.send(audioBytes);
+              }
+            };
+          }
+        }
+      }, [recording]);
+
+      const toggleRecording = (shouldPress: boolean) => {
+        Animated.timing(backgroundColorAnim, {
+          toValue: shouldPress ? 1 : 0,
+          duration: 400,
+          useNativeDriver: false, // 'backgroundColor' does not support native driver
+        }).start();
+        Animated.timing(buttonBackgroundColorAnim, {
+          toValue: shouldPress ? 1 : 0,
+          duration: 400,
+          useNativeDriver: false, // 'backgroundColor' does not support native driver
+        }).start();
+      };
+
+    return (
+    );
+};
+
+export default RecordButton;