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function Get-WTSettingsPath {
    # Determine if we are in WT
    $Profile = $env:WT_PROFILE_ID
    if (!$Profile)
    {
        throw "WT Not available"
    }

    $SettingsPath = Get-Item "$env:LOCALAPPDATA\Packages\Microsoft.WindowsTerminal*\LocalState\" | Select-Object -ExpandProperty FullName
    $SettingsPath
}

function Set-WTBackground {
    [CmdletBinding()]
    param(
        [Parameter()]
        [ValidateScript({
            Test-Path $_
        })]
        [String]$Path,
        [Parameter()]
        [ValidateSet("jpg")]
        [string]$Extension
    )
    begin {
        # Determine if we are in WT
        $Profile = $env:WT_PROFILE_ID
        if (!$Profile)
        {
            throw "WT Not available"
        }

        $PathInfo = Get-Item -Path $Path
        $SettingsPath = Get-WTSettingsPath
        $SettingsJson = "$SettingsPath\Settings.json"

        # Get MD5 of File
        $FileHash = Get-FileHash -Path $Path -Algorithm SHA1 | Select -ExpandProperty Hash
        $FileHash = $FileHash[-1..-5] -join ""

        $ImageDestination = "$SettingsPath\Assets\$Profile-$FileHash.$($Extension)"
    }

    process {
        Move-Item -Path $Path -Destination $ImageDestination -Force -ErrorAction SilentlyContinue

        $Settings = Get-Content -Path $SettingsJson
        $Settings -Replace "(`"backgroundImage`": `".*\/$Profile)-(.{5})\.(.*)`"", "`$1-$($FileHash).`$3`"" | Out-File -FilePath $SettingsPath\Settings.json -Force
    }

    end {
        #Cleanup files
        Start-Sleep .5
        Get-ChildItem "$SettingsPath\Assets\$Profile*" -Exclude "$Profile-$FileHash*" | Remove-Item 
    }
}

function Get-BingSearchImage {
    param(
        [Parameter()]
        [String]$Query = "Powershell Wallpaper",
        [Parameter(Mandatory)]
        [string]$Path
    )
    $Query = $Query.Replace(" ", "+")
    $local:ProgressPreference = "SilentlyContinue"
    $uri = "https://www.bing.com/search?q=$Query"

    $RestResult = Invoke-RestMethod -Uri $Uri

    $Result = ([regex]::Matches($RestResult, "src=`"(.*?)`"") | ? Value -match "OIP" | Get-Random).Groups[1].Value
    Invoke-RestMethod -Uri $Result -OutFile $Path
}

function Set-BingSearchImage 
{
    [CmdletBinding()]
    param(
        [Parameter(Mandatory)]
        [String]$Query
    )

    $Path = New-TemporaryFile
    Get-BingSearchImage -Path $Path -Query $Query
    Set-WTBackground -Path $Path -Extension "jpg"
}

function Get-BingWallPaper
{
    param(
        [Parameter()]
        [string]$Path,

        [Parameter()]
        [ValidateRange(1,8)]
        [int]$Results = 1,

        [Parameter()]
        [ValidateSet("en-US")]
        [string]$Region = "en-US",

        [Parameter()]
        [ValidateSet('1080x1920','768x1366','240x400','480x800','768x1280','240x320','360x480','480x640','768x1024','176x220','240x240','320x320','220x176','1024x768','320x240','480x360','640x480','800x600','1920x1200','1280x768','400x240','800x480','1280x720','1366x768','1920x1080')]
        [string]$Resolution = "1920x1200"
    )
    $local:ProgressPreference = "SilentlyContinue"
    $urlbase = "http://www.bing.com"
    $uri = "{0}/HPImageArchive.aspx?format=xml&idx={1}&n={2}&mkt={3}" -f $urlbase, 0, $Results, $Region

    $Result = Invoke-RestMethod -uri $uri

    $RandomImage = $Result.Images.image | Get-Random

    $ImageURI = "{0}{1}_{2}.jpg" -f $urlbase, $RandomImage.UrlBase,$Resolution
    Invoke-RestMethod -Uri $ImageUri -OutFile $Path

}

function Set-BingWallPaper 
{
    [CmdletBinding()]
    param(
        [Parameter()]
        [string]$Path,

        [Parameter()]
        [ValidateRange(1,8)]
        [int]$Results = 1,

        [Parameter()]
        [ValidateSet("en-US")]
        [string]$Region = "en-US",

        [Parameter()]
        [ValidateSet('1080x1920','768x1366','240x400','480x800','768x1280','240x320','360x480','480x640','768x1024','176x220','240x240','320x320','220x176','1024x768','320x240','480x360','640x480','800x600','1920x1200','1280x768','400x240','800x480','1280x720','1366x768','1920x1080')]
        [string]$Resolution = "1920x1200"
    )

    $Path = New-TemporaryFile
    Get-BingWallPaper -Path $Path -Results $Results -Region $Region -Resolution $Resolution
    Set-WTBackground -Path $Path -Extension "jpg"
}

function Get-RandomCat
{
    param(
        [Parameter()]
        [string]$Path
    )
    $local:ProgressPreference = "SilentlyContinue"
    $uri = "http://aws.random.cat/meow"
    $RestResult = Invoke-RestMethod -Uri $Uri
    Invoke-RestMethod -Uri $RestResult.File -OutFile $Path
}

function Set-RandomCat
{
    $Path = New-TemporaryFile
    Get-RandomCat -Path $Path
    Set-WTBackground -Path $Path -Extension "jpg"
}

# Quick Note
# Set your background image to match the guid of your Profile as we are looking for that to run this
# "guid": "{574e775e-4f2a-5b96-ac1e-a2962a402336}",
# "backgroundImage": "ms-appdata:///local/Assets//{574e775e-4f2a-5b96-ac1e-a2962a402336}-9CE57.jpg",