PSProfile

#_________________________________________________________________________________________
Write-Host "Initializing the Shell..." -ForegroundColor DarkCyan -BackgroundColor White

$global:sysvars = Get-Variable | Select-Object -ExpandProperty Name
$global:sysvars += 'sysvars'

$greetings =
'Welcome back Jake',
'Glad to see you Jake!',
'Happy coding Jake!',
'Have a great day Jake!',
'Be one with the Snover!',
'May the PowerShell be with you!'
#_________________________________________________________________________________________
<#
.SYNOPSIS
    Clears all errors, variables, console, and sets locations back to C:\
.NOTES
    System variables are not cleared - as they are gathered previously and left un-touched.
#>
function Clear-All {
    $sysvariables = $sysvars
    #clear all errors
    $error.clear()
    #clear all non-system variables
    Get-Variable |
        Where-Object {$sysvariables -notcontains $_.Name -and $_.Name -ne "sysvariables"} |
        ForEach-Object {Remove-Variable $_.name -Scope Global}
    Clear-Host
    Set-Location C:\
}

<#
.SYNOPSIS
    Opens explorer window to the current console path location
#>
function Open-Here {
    explorer $pwd
}

<#
.SYNOPSIS
    Get beautiful syntax for any cmdlet
#>
function Get-Syntax {
    [CmdletBinding()]
    param (
        $Command,

        [switch]
        $PrettySyntax
    )

    $check = Get-Command -Name $Command

    $params = @{
        Name =  if ($check.CommandType -eq 'Alias') {
                    Get-Command -Name $check.Definition
                }
                else {
                    $Command
                }
        Syntax = $true
    }
    $pretty = $true
    if ($pretty -eq $true) {
        (Get-Command @params) -replace '(\s(?=\[)|\s(?=-))', "`r`n "
    }
    else {
        Get-Command @params
    }
}

<#
.SYNOPSIS
    Quickly and easily reverses a list
#>
function Sort-Reverse {
    $rank = [int]::MaxValue
    $input | Sort-Object {(--(Get-Variable rank -Scope 1).Value)}
}

<#
.SYNOPSIS
    Get a nicely formatted output of recent errors.
#>
function Get-ErrorCount {
    $Error `
    | Group-Object `
    | Sort-Object -Property Count -Descending `
    | Format-Table -Property Count,Name -AutoSize
}
#_________________________________________________________________________________________
# set easy aliases for various functions
New-Alias -Name ca -value Clear-All
New-Alias -Name op -value Open-Here
New-Alias -Name syn -value Get-Syntax
New-Alias -Name sr -value Sort-Reverse
New-Alias -Name ec -value Get-ErrorCount
#_________________________________________________________________________________________
# Custom prompt function
function global:prompt {
    $global:promptDateTime = [datetime]::Now
    $Global:promptDate = $global:promptDateTime.ToString("dd/MM/yyyy")
    $Global:promptTime = $global:promptDateTime.ToLongTimeString()
    $global:promptPath = $pwd.ToString().split('\')[-2..-1] -join '\'

    Write-Host -Object ("[{0} {1}]" -f $global:promptDate, $global:PromptTime) -ForegroundColor Green -NoNewline
    (" {0}> " -f $global:promptPath)
    Write-VcsStatus
    return " "
}
#_________________________________________________________________________________________
# load up any desired modules
$modulesToLoad = @(
    'posh-git'
)
foreach ($module in $modulesToLoad) {
    Write-Host -ForegroundColor Gray ("Jake, at your request I am loading up the $module module...")
    try {
        Import-Module $module -ErrorAction Stop
        Write-Host "$module loaded." -ForegroundColor Magenta
    }
    catch{
        Write-Host "Jake, $module has failed to load." -ForegroundColor DarkRed
    }
}
#_________________________________________________________________________________________
$ProgressPreference = 'SilentlyContinue'
#_________________________________________________________________________________________
Set-PSReadlineOption -ContinuationPrompt ">>>"
Write-Host "Initilization complete."  ($greetings | Get-Random) -ForegroundColor Cyan -BackgroundColor Black
#_________________________________________________________________________________________