# PowerShell script to setup Chrome permissions for microphone access
# This script creates a Chrome preferences file that auto-grants microphone permissions

param(
    [string]$ChromeUserData = "$env:TEMP\chrome-digital-human",
    [string]$Origin = "http://localhost:3000"
)

# Create Chrome user data directory if it doesn't exist
if (-not (Test-Path $ChromeUserData)) {
    New-Item -ItemType Directory -Path $ChromeUserData -Force | Out-Null
}

# Create Default directory for preferences
$DefaultDir = Join-Path $ChromeUserData "Default"
if (-not (Test-Path $DefaultDir)) {
    New-Item -ItemType Directory -Path $DefaultDir -Force | Out-Null
}

# Create Preferences file path
$PreferencesPath = Join-Path $DefaultDir "Preferences"

# Read existing preferences
$existingJson = "{}"
if (Test-Path $PreferencesPath) {
    try {
        $existingJson = Get-Content $PreferencesPath -Raw -ErrorAction SilentlyContinue
        if ([string]::IsNullOrWhiteSpace($existingJson)) {
            $existingJson = "{}"
        }
    } catch {
        $existingJson = "{}"
    }
}

# Parse existing JSON
try {
    $prefs = $existingJson | ConvertFrom-Json
} catch {
    $prefs = @{} | ConvertTo-Json | ConvertFrom-Json
}

# Function to ensure nested object exists
function Ensure-Object {
    param($obj, $path)
    $parts = $path -split '\.'
    $current = $obj
    foreach ($part in $parts) {
        if (-not $current.$part) {
            $current | Add-Member -MemberType NoteProperty -Name $part -Value (@{} | ConvertTo-Json | ConvertFrom-Json) -Force
        }
        $current = $current.$part
    }
    return $current
}

# Ensure all required objects exist
Ensure-Object $prefs "profile" | Out-Null
Ensure-Object $prefs "profile.content_settings" | Out-Null
Ensure-Object $prefs "profile.content_settings.exceptions" | Out-Null
Ensure-Object $prefs "profile.content_settings.exceptions.media_stream_mic" | Out-Null
Ensure-Object $prefs "profile.content_settings.exceptions.media_stream_camera" | Out-Null

# Set microphone permission (1 = Allow)
$micKey = "$Origin,*"
$micPerm = @{
    setting = 1
} | ConvertTo-Json | ConvertFrom-Json
$prefs.profile.content_settings.exceptions.media_stream_mic | Add-Member -MemberType NoteProperty -Name $micKey -Value $micPerm -Force

# Set camera permission (1 = Allow)
$cameraKey = "$Origin,*"
$cameraPerm = @{
    setting = 1
} | ConvertTo-Json | ConvertFrom-Json
$prefs.profile.content_settings.exceptions.media_stream_camera | Add-Member -MemberType NoteProperty -Name $cameraKey -Value $cameraPerm -Force

# Save preferences
try {
    $json = $prefs | ConvertTo-Json -Depth 20
    Set-Content -Path $PreferencesPath -Value $json -Encoding UTF8 -Force
    exit 0
} catch {
    exit 1
}