profile.ps1

function prompt {
    $Success = $?
    $ConsoleWidth = ($host.UI.RawUI.WindowSize.Width, $Host.UI.RawUI.BufferSize.Width -gt 0)[0]
    $Escape = "`e["
    $EndEscape = "m"

    $Slash = [IO.Path]::DirectorySeparatorChar
    $Path = $ExecutionContext.SessionState.Path.CurrentLocation
    $CurrentFolder = Split-Path -Path $Path -Leaf
    $Host.UI.RawUI.WindowTitle = "PS $Path"
    $LastCommand = Get-History -Count 1

    $ChangeFg = "${Escape}38;2;"
    $ChangeBg = "${Escape}48;2;"
    $SwapColors = "${Escape}7${EndEscape}"
    $TotalReset = "${Escape}0${EndEscape}"

    $PathColor = "150;150;255"
    $DateBgColor = "180;200;232"
    $PromptColor = "55;120;200"

    $PromptStrings = @(
        #region: DateTime & Path
        {
            $Now = (Get-Date).ToString() -replace '^|$', ' '
            $ExecTime = if ($LastCommand) { " $($LastCommand.Duration.TotalMilliseconds.ToString('G15')) ms " }
            $TimeColor = if ($Success) { "200;180;60" } else { "235;20;20" }
            $ParentLocation = (Split-Path $Path -Parent) -replace "^$([regex]::Escape($HOME))", '~' -replace '^|$', ' '
            $Space = " " * ($ConsoleWidth - ($Now.Length + $ExecTime.Length + $ParentLocation.Length))

            "{0}{1}{2}{3}" -f @(
                "${ChangeFg}${PathColor}${EndEscape}${ParentLocation}${TotalReset}"
                $Space
                "${ChangeFg}${TimeColor}${EndEscape}${ExecTime}${TotalReset}"
                "${ChangeFg}${DateBgColor}${EndEscape}${SwapColors}${Now}${TotalReset}"
            ) |
                Write-Host
        }
        #endregion: DateTime
        {
            $Prompt = @{
                LineNumber = @{
                    Content = $LastCommand.Id + 1
                    Color   = $DateBgColor
                }
                Prefix     = @{
                    Content = 'PS'
                    Color   = $PromptColor
                }
                Drive      = @{
                    Color   = $PathColor
                    Content = "$($Path.Drive):"
                }
                Path       = @{
                    Content = if ($CurrentFolder -notmatch "^$($Path.Drive):?\\?$") { $CurrentFolder -replace "^|$", $Slash } else { "Root" }
                    Color   = $PromptColor
                }
                PostFix    = @{
                    Content = "PS$(">" * ($NestedPromptLevel + 1))"
                    Color   = switch ($true) {
                        $IsWindows { '200;168;80' }
                        $IsMacOS { '220;220;220' }
                        $IsLinux { '200;80;80' }
                        default { '40;80;180' }
                    }
                }
            }

            "{1}{0}{2}{0}{3}{0}{4}{0} " -f @(
                $TotalReset
                "{0} {1}{2} " -f "${ChangeFg}$($Prompt.LineNumber.Color)${EndEscape}${SwapColors}", $Prompt.LineNumber.Content, "${ChangeBg}$($Prompt.Prefix.Color)${EndEscape}"
                "{0} {1}{2} " -f "${ChangeFg}$($Prompt.Drive.Color)${EndEscape}${SwapColors}", $Prompt.Drive.Content, "${ChangeBg}$($Prompt.Path.Color)${EndEscape}"
                "{0} {1}{2} " -f "${ChangeFg}$($Prompt.Path.Color)${EndEscape}${SwapColors}", $Prompt.Path.Content, "${ChangeBg}$($Prompt.PostFix.Color)${EndEscape}"
                "{0} {1} " -f "${ChangeFg}$($Prompt.PostFix.Color)${EndEscape}${SwapColors}", $Prompt.PostFix.Content
            )
        }
    )

    $PromptStrings.ForEach{ $_.Invoke() }
}

$script:OldPromptFunction = $function:Prompt

function Set-PresenterPrompt {
    $script:OldPromptFunction = $function:prompt

    $function:prompt = {
        Write-Host

        $Location = $ExecutionContext.SessionState.Path
        Write-Host -NoNewLine -ForegroundColor Green " PSPowerHour"
        Write-Host -NoNewline " :: "
        Write-Host "Presenter - Joel Sallow " -ForegroundColor Cyan

        $Location = $ExecutionContext.SessionState.Path.CurrentLocation
        $LeafLocation = $Location | Split-Path -Leaf
        $ParentLocation = ($Location | Split-Path -Parent) -replace "^$([regex]::Escape($HOME))", '~'

        Write-Host -BackgroundColor Blue -ForegroundColor Cyan " [$ParentLocation] "

        Write-Host -NoNewline -BackgroundColor Blue -ForegroundColor Yellow " PS "
        Write-Host -NoNewline -BackgroundColor Cyan " .\$LeafLocation> " -ForegroundColor Black
        " "
    }
}

function Restore-Prompt {
    $function:prompt = $script:OldPromptFunction
}