. $PSScriptRoot\errors.ps1
. $PSScriptRoot\inst.ps1
. $PSScriptRoot\strip.ps1
. $PSScriptRoot\bus.ps1
. $PSScriptRoot\macrobuttons.ps1
. $PSScriptRoot\vban.ps1
. $PSScriptRoot\special.ps1

$global:layout = $null

Function Setup_DLL {
    try {
        $vb_path = Get_VBPath

        if([string]::IsNullOrWhiteSpace($vb_path)) {
            throw [VMRemoteErrors]::new("ERROR: Couldn't get Voicemeeter path")
        }
        else {
            $dll = Join-Path -Path $vb_path -ChildPath ("VoicemeeterRemote" + `
            (&{If([Environment]::Is64BitOperatingSystem) {"64"} Else {""}}) + `
            ".dll")
        }
    }
    catch [VMRemoteErrors] {
        Write-Warning $_.Exception.ErrorMessage()
        return $false
    }

$Signature = @"
    [DllImport(@"$dll")]
    public static extern int VBVMR_Login();
    [DllImport(@"$dll")]
    public static extern int VBVMR_Logout();
    [DllImport(@"$dll")]
    public static extern int VBVMR_RunVoicemeeter(Int64 run);
    [DllImport(@"$dll")]
    public static extern int VBVMR_GetVoicemeeterType(ref int ptr);

    [DllImport(@"$dll")]
    public static extern int VBVMR_MacroButton_IsDirty();
    [DllImport(@"$dll")]
    public static extern int VBVMR_MacroButton_SetStatus(Int64 id, Single state, Int64 mode);
    [DllImport(@"$dll")]
    public static extern int VBVMR_MacroButton_GetStatus(Int64 id, ref float ptr, Int64 mode);

    [DllImport(@"$dll")]
    public static extern int VBVMR_IsParametersDirty();
    [DllImport(@"$dll")]
    public static extern int VBVMR_SetParameterFloat(String param, Single value);
    [DllImport(@"$dll")]
    public static extern int VBVMR_GetParameterFloat(String param, ref float ptr);

    [DllImport(@"$dll")]
    public static extern int VBVMR_SetParameterStringA(String param, String value);
    [DllImport(@"$dll")]
    public static extern int VBVMR_GetParameterStringA(String param, byte[] buff);

    [DllImport(@"$dll")]
    public static extern int VBVMR_SetParameters(String param);
"@

    Add-Type -MemberDefinition $Signature -Name Remote -Namespace Voicemeeter -PassThru | Out-Null
    return $true
}

Function Param_Set_Multi {
    param(
        [HashTable]$HASH
    )
    Start-Sleep -m 50
    while(M_Dirty) { Start-Sleep -m 1 }

    foreach ($key in $HASH.keys) { 
        $classobj , $m2, $m3 = $key.Split("_")
        if ($m2 -match "^\d+$") {$index = [int]$m2} else {$index = [int]$m3}

        foreach ($h in $HASH[$key].GetEnumerator()) {
            $property = $h.Name
            $value = $h.Value
            if ($value -in ('False', 'True')) { [System.Convert]::ToBoolean($value) }

            Switch($classobj) {
                'strip' { $this.strip[$index].$property = $value }
                'bus' { $this.bus[$index].$property = $value }
                {($_ -eq 'button') -or ($_ -eq 'mb')} { $this.button[$index].$property = $value }
                'vban' { $this.vban.$m2[$index].$property = $value }
            }
        }
    }
}

Function Param_Set_String {
    param(
        [String]$PARAM, [String]$VALUE
    )
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_SetParameterStringA($PARAM, $VALUE)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }
}


Function Param_Get_String {
    param(
        [String]$PARAM
    )
    Start-Sleep -m 50
    while(P_Dirty) { Start-Sleep -m 1 }

    $BYTES = [System.Byte[]]::new(512)
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_GetParameterStringA($PARAM, $BYTES)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }

    [System.Text.Encoding]::ASCII.GetString($BYTES).Trim([char]0)
}


Function Param_Set {
    param(
        [String]$PARAM, [Single]$VALUE
    )
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_SetParameterFloat($PARAM, $VALUE)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }
}


Function Param_Get {
    param(
        [String]$PARAM
    )
    Start-Sleep -m 50
    while(P_Dirty) { Start-Sleep -m 1 }

    New-Variable -Name ptr -Value 0.0
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_GetParameterFloat($PARAM, [ref]$ptr)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }
    [Single]$ptr
}


Function MB_Set {
    param(
        [Int64]$ID, [Single]$SET, [Int64]$MODE
    )
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_MacroButton_SetStatus($ID, $SET, $MODE)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }
}


Function MB_Get {
    param(
        [Int64]$ID, [Int64]$MODE
    )
    Start-Sleep -m 50
    while(M_Dirty) { Start-Sleep -m 1 }

    New-Variable -Name ptr -Value 0.0
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_MacroButton_GetStatus($ID, [ref]$ptr, $MODE)
        if($retval) { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
    }
    catch [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }
    [Int]$ptr
}

Function DefineVersion {
    param(
        [Int]$TYPE
    )
    $layout = @{}

    if($TYPE -eq 1) {
        $layout = @{
            "version" = "basic"
            "p_in" = 2
            "v_in" = 1
            "p_out" = 1
            "v_out" = 1
            "vban_in" = 4
            "vban_out" = 4
        }
    }
    elseif($TYPE -eq 2) {
        $layout = @{
            "version" = "banana"
            "p_in" = 3
            "v_in" = 2
            "p_out" = 3
            "v_out" = 2
            "vban_in" = 8
            "vban_out" = 8
        }
    }
    elseif($TYPE -eq 3) {
        $layout = @{
            "version" = "potato"
            "p_in" = 5
            "v_in" = 3
            "p_out" = 5
            "v_out" = 3
            "vban_in" = 8
            "vban_out" = 8
        }
    }
    $global:layout = $layout
}


Function Login {
    param(
        [String]$TYPE=$null
    )
    try {
        $retval = [Int][Voicemeeter.Remote]::VBVMR_Login()
        if(-not $retval) { Write-Host("LOGGED IN") }
        elseif($retval -eq 1) {
            Write-Host("VM NOT RUNNING")
            New-Variable -Name kind -Value 0

            Switch($TYPE) {
                'basic' { $kind = 1; Break}
                'banana' { $kind = 2; Break}
                'potato' {
                    if ([Environment]::Is64BitOperatingSystem) {
                            $kind = 6
                        } else { $kind = 3 }
                    Break
                }
                Default { throw [LoginError]::new('Unknown Voicemeeter type') }
            }

            $retval = [Int][Voicemeeter.Remote]::VBVMR_RunVoicemeeter([Int64]$kind)
            if(-not $retval) { Write-Host("STARTING VOICEMEETER") }
            else { Throw [CAPIError]::new($retval, $MyInvocation.MyCommand) }
            Start-Sleep -s 1
        } elseif ($retval -eq -2) { 
            throw [LoginError]::new('Login may only be called once per session')
        } else { Exit }
    }
    catch [LoginError], [CAPIError] {
        Write-Warning $_.Exception.ErrorMessage()
    }

    while(P_Dirty -or M_Dirty) { Start-Sleep -m 1 }

    New-Variable -Name ptr -Value 0
    $retval = [Int][Voicemeeter.Remote]::VBVMR_GetVoicemeeterType([ref]$ptr)
    if(-not $retval) {
        if($ptr -eq 1) { Write-Host("VERSION:[BASIC]") }
        elseif($ptr -eq 2) { Write-Host("VERSION:[BANANA]") }
        elseif($ptr -eq 3) { Write-Host("VERSION:[POTATO]") }
    }

    DefineVersion -TYPE $ptr
}


Function Logout {
    Start-Sleep -m 20
    $retval = [Int][Voicemeeter.Remote]::VBVMR_Logout()
    if(-not $retval) { Write-Host("LOGGED OUT") }
}


Function P_Dirty {
    [Bool][Voicemeeter.Remote]::VBVMR_IsParametersDirty()
}


Function M_Dirty {
    [Bool][Voicemeeter.Remote]::VBVMR_MacroButton_IsDirty()
}