function Get-GpfsFileset {
    [CmdletBinding(DefaultParameterSetName = 'All')]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory, ParameterSetName = 'ByName', Position = 1)]
        [string]$FilesetName
    )

    if ($PSCmdlet.ParameterSetName -eq 'ByName') {
        Invoke-GpfsApiRequest -Method GET -Endpoint "filesystems/$FilesystemName/filesets/$FilesetName"
    }
    else {
        Invoke-GpfsApiRequest -Method GET -Endpoint "filesystems/$FilesystemName/filesets"
    }
}

function New-GpfsFileset {
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory)]
        [hashtable]$Settings
    )

    if ($PSCmdlet.ShouldProcess($FilesystemName, 'Create fileset')) {
        Invoke-GpfsApiRequest -Method POST -Endpoint "filesystems/$FilesystemName/filesets" -Body $Settings
    }
}

function Set-GpfsFileset {
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory, Position = 1)]
        [string]$FilesetName,

        [Parameter(Mandatory)]
        [hashtable]$Settings
    )

    if ($PSCmdlet.ShouldProcess($FilesetName, 'Update fileset')) {
        Invoke-GpfsApiRequest -Method PUT -Endpoint "filesystems/$FilesystemName/filesets/$FilesetName" -Body $Settings
    }
}

function Remove-GpfsFileset {
    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'High')]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory, Position = 1)]
        [string]$FilesetName
    )

    if ($PSCmdlet.ShouldProcess($FilesetName, 'Remove fileset')) {
        Invoke-GpfsApiRequest -Method DELETE -Endpoint "filesystems/$FilesystemName/filesets/$FilesetName"
    }
}

function Register-GpfsFileset {
    [CmdletBinding(SupportsShouldProcess)]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory, Position = 1)]
        [string]$FilesetName,

        [Parameter(Mandatory)]
        [hashtable]$LinkSettings
    )

    if ($PSCmdlet.ShouldProcess($FilesetName, 'Link fileset')) {
        Invoke-GpfsApiRequest -Method PUT -Endpoint "filesystems/$FilesystemName/filesets/$FilesetName/link" -Body $LinkSettings
    }
}

function Unregister-GpfsFileset {
    [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'High')]
    param(
        [Parameter(Mandatory, Position = 0)]
        [string]$FilesystemName,

        [Parameter(Mandatory, Position = 1)]
        [string]$FilesetName
    )

    if ($PSCmdlet.ShouldProcess($FilesetName, 'Unlink fileset')) {
        Invoke-GpfsApiRequest -Method DELETE -Endpoint "filesystems/$FilesystemName/filesets/$FilesetName/link"
    }
}