Microsoft.PowerShell_profile.ps1

# UTILITY ---------------------------------------------------------------------
$PROFILE_DIR = "$(Split-Path -Path $PROFILE)"

function Test-CommandExists {
    [CmdletBinding()]
    [OutputType([bool])]
    param (
        [Parameter(Position = 0, Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [string]$Command
    )
    if (Get-Command $Command -ErrorAction SilentlyContinue) {
        Write-Output $true
    }
    else {
        Write-Output $false
    }
}

$env:EDITOR = if (Test-CommandExists nvim) {
    "nvim"
}
elseif (Test-CommandExists vim) {
    "vim"
}
elseif (Test-CommandExists code) {
    "code"
}

# Uses -> https://www.ipify.org
function Get-PubIP {
    return (Invoke-RestMethod -Uri "https://api.ipify.org?format=json").ip
}

# APPEARANCE ------------------------------------------------------------------
$PSStyle.FileInfo.Directory = "$($PSStyle.Bold)$($PSStyle.Foreground.Blue)"
Set-PSReadLineOption -Colors @{
    Default          = "$($PSStyle.Reset)"
    InlinePrediction = "`e[90;3m"
    Operator         = "Blue"
    Parameter        = "Blue"
}

# KEYBINDINGS -----------------------------------------------------------------
Set-PSReadLineOption -EditMode Emacs
Set-PSReadLineKeyHandler -Key Ctrl+w -Function BackwardDeleteWord
Set-PSReadLineKeyHandler -Key Ctrl+Backspace -Function BackwardDeleteWord
Set-PSReadLineKeyHandler -Key Ctrl+LeftArrow -Function BackwardWord
Set-PSReadLineKeyHandler -Key Ctrl+RightArrow -Function ForwardWord
Set-PSReadLineKeyHandler -Key Tab -Function MenuComplete
Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward
Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
Set-PSReadLineOption -HistorySearchCursorMovesToEnd

# ALIASES ---------------------------------------------------------------------
Set-Alias -Name touch -Value New-Item

function which {
    [CmdletBinding()]
    param(
        [Parameter(Position=0, Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]$ProgramName
    )

    try {
        $Command = Get-Command -Name $ProgramName -ErrorAction Stop -CommandType Application
        return $Command.Source
    }
    catch {
        Write-Error "$ProgramName is not a program."
    }
}

function .. {
    Set-Location ..
}

if (Test-CommandExists eza) {
    Remove-Item -Path Alias:ls

    function ls {
        param([Parameter(ValueFromRemainingArguments=$true)] [string[]] $Args)
        eza --icons --group-directories-first @Args
    }

    function ll {
        param([Parameter(ValueFromRemainingArguments=$true)] [string[]] $Args)
        eza --icons --group-directories-first --git -lh @Args
    }

    function lt {
        param([Parameter(ValueFromRemainingArguments=$true)] [string[]] $Args)
        eza --icons --group-directories-first --git -lT -L 3 @Args
    }

    function la {
        param([Parameter(ValueFromRemainingArguments=$true)] [string[]] $Args)
        eza --icons --group-directories-first -a @Args
    }

    function lla {
        param([Parameter(ValueFromRemainingArguments=$true)] [string[]] $Args)
        eza --icons --group-directories-first --git -lha @Args
    }
}

if (Test-CommandExists "lazygit") {
    Set-Alias -Name lg -Value lazygit
}

# SCOOP-SEARCH INTEGRATION ----------------------------------------------------
if (Test-CommandExists "scoop") {
    if (-not (Test-CommandExists "scoop-search")) {
        scoop install scoop-search
    }
    Invoke-Expression (&scoop-search --hook)
}

# STARSHIP --------------------------------------------------------------------
if (Test-CommandExists "starship") {
    function Invoke-Starship-PreCommand {
        # Set the window title
        $Host.UI.RawUI.WindowTitle = $PWD.Path.Replace("$HOME", "~")

        # Add a newline when needed
        if ($Host.UI.RawUI.CursorPosition.Y -ne 0) {
            Write-Host
        }

        # Support Windows Terminal tab/pane duplication
        if ($env:WT_SESSION) {
            $current_location = $executionContext.SessionState.Path.CurrentLocation
            $prompt = "`e]9;12`a"
            if ($current_location.Provider.Name -eq "FileSystem") {
                $prompt += "`e]9;9;`"$($current_location.ProviderPath)`"`e\"
            }
            $Host.UI.Write($prompt)
        }
    }

    # Environmental variables
    $env:STARSHIP_CONFIG = "$PROFILE_DIR/starship.toml"
    if ($IsWindows) {
        $env:STARSHIP_CACHE = "$HOME\AppData\Local\Temp\starship"
    }

    # Create Starship start script if it doesn't exist
    if (-not (Test-Path -Path "$env:STARSHIP_CACHE/Start-Starship.ps1" -PathType Leaf)) {
        New-Item -ItemType Directory -Force $env:STARSHIP_CACHE | Out-Null
        starship completions powershell >"$env:STARSHIP_CACHE/Start-Starship.ps1"
        starship init powershell --print-full-init >>"$env:STARSHIP_CACHE/Start-Starship.ps1"
    }

    # Start Starship
    . "$env:STARSHIP_CACHE/Start-Starship.ps1"
}