mindboost-rnbo-test-project/composables/useRequirementChecker.ts

import type { Logger } from "pino"
import { useAudioStore } from "~/stores/audio"
import { useDevicesStore } from "~/stores/device"
import { useMicStore } from "~/stores/microphone"
import { useUserStore } from "~/stores/user"
import { getSoundscapeByTitle } from "~/tracks.config"


export const useRequirementChecker = () => {

    const logger = useNuxtApp().$logger as Logger
    
    
    const audio = useAudioStore()
    const mic = useMicStore()
    const rnbo = useDevicesStore()
    const user = useUserStore().user as any

    let audioContext = false
    let audioUnlock = false
    let microphone = false
    let rnboDevice = false
    let audioTags = false

  const checkAudioContext = async () => {
        if(audio.audioContext?.state === 'running'){
            audioContext = true
        } else {
            await audio.ensureAudioContextRunning()
            checkAudioContext()
        }
        return audioContext
  }

  const checkAudioUnlocked = async () => {
    
    try {
        let test: HTMLAudioElement | null = new Audio()
        const sink = useUserStore().audioOutputDevice as MediaDeviceInfo
        test.setSinkId(sink.deviceId)
        test.src = 'https://localhost:3000/sounds/debug/LMusik_RSprache.mp3'
        test.muted = true        
        await test.play().catch((e: any) => {
            audioUnlock = false
          })
    } catch (error) {
        audioUnlock = false
    }
    if(audioUnlock) {
        return true
    } else {
        return false
    }
    }

  const checkRNBODevice = async () => {
    try {
    const centerFrequencies3 = [150, 1500, 8000]
    const centerFrequencies9 = [63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
    const mobile = /Mobi|Android|iPhone|iPad|iPod/i.test(navigator.userAgent)
    if(mobile) {
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies3[0]}Hz`, centerFrequencies3[0])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies3[1]}Hz`, centerFrequencies3[1])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies3[2]}Hz`, centerFrequencies3[2])
        rnboDevice = true
    }else {
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[0]}Hz`, centerFrequencies9[0])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[1]}Hz`, centerFrequencies9[1])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[2]}Hz`, centerFrequencies9[2])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[3]}Hz`, centerFrequencies9[3])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[4]}Hz`, centerFrequencies9[4])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[5]}Hz`, centerFrequencies9[5])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[6]}Hz`, centerFrequencies9[6])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[7]}Hz`, centerFrequencies9[7])
        await rnbo.createControlValuesDevice(`testControlValues_${centerFrequencies9[8]}Hz`, centerFrequencies9[8])
        rnboDevice = true
    }
    } catch (error) {
       rnboDevice = false
    }
     return rnboDevice
  }
  const checkAudioTags = async () => {
    const lowPath = `/masking/3bands/low_band_256kbps.webm`
    const midPath = `/masking/3bands/mid_band_256kbps.webm`
    const highPath = `/masking/3bands/high_band_256kbps.webm`
    const soundscape = user.settings.soundscape || 'Forest'
    try {
        const soundScapePath = getSoundscapeByTitle(soundscape as string)
        const fullPaths = [`${window.location.origin}${encodeURI(lowPath)}`,
            `${window.location.origin}${encodeURI(midPath)}`,
            `${window.location.origin}${encodeURI(highPath)}`,
            ]
            if(soundScapePath) {
                fullPaths.push(soundScapePath)
            }
            const media = useMediaProvider()
            await media.createPlayableAudioElement(fullPaths[0],3000)
            await media.createPlayableAudioElement(fullPaths[1],3000)
            await media.createPlayableAudioElement(fullPaths[2],3000)
            await media.createPlayableAudioElement(fullPaths[3],3000)
            audioTags = true
    } catch (error) {
        audioTags = false
    }
   return audioTags
  }

  const checkMicrophone = async () => {
    try {
        await mic.attachMicrophone()
        microphone = true
        return true
    }catch{
        microphone = false
        return false
    }
  }

  const ensureReadiness = async () => {
    let ready = true
    ready = await checkAudioUnlocked() || ready ? true : false
    logger.info("Audio Unlocked")
    ready = await checkAudioContext() || ready ? true : false
    logger.info("AudioContext running")
    ready = await checkRNBODevice() || ready ? true : false
    logger.info("RNBODevices ready for connections")
    ready = await checkAudioTags() || ready ? true : false 
    logger.info("AudioTags ready to play")
    ready = await checkMicrophone() || ready ? true : false 
    logger.info("Microphone attached")
    return ready
  }


  return {
    ensureReadiness,
    checkAudioUnlocked,
    checkAudioContext,
    audioUnlock, audioContext, microphone, rnboDevice, audioTags
    
  }
}