feat(project_item): implement Show-ProjectItem function for enhanced item display

public/project_item.ps1

@@ -168,6 +168,139 @@
     }
 } Export-ModuleMember -Function Format-ProjectItem
 
+function Show-ProjectItem{
+    [CmdletBinding()]
+    [Alias("shpi")]
+    param(
+        [Parameter(ValueFromPipeline)][string]$ItemId,
+        [Parameter()][array[]]$FieldsToShow
+    )
+
+    process {
+
+        $item = Get-ProjectItem -ItemId $ItemId
+
+        if($null -eq $item){
+            "Item not found" | Write-MyError
+            return $null
+        }
+
+        if(-not $FieldsToShow){
+            $statusColor = getStatusColor($item.Status)
+            $FieldsToShow = @(
+                @(@{Name="Status"; Color = $statusColor})
+            )
+        }
+
+        # Before all
+        addJumpLine
+
+        # title bar
+        # ($item.RepositoryOwner + "/") | write -Color Cyan
+        # ($item.RepositoryName) | write -Color Cyan
+        $item.number | write -Color Cyan -PreFix "#"
+        addSpace
+        $item.Title | write -Color Yellow -BetweenQuotes
+
+        addJumpLine
+
+        # URL
+        $item.url | write -Color White
+
+        # Fields by line
+        if($FieldsToShow){
+            addJumpLine
+            foreach($line in $FieldsToShow){
+                addJumpLine
+                ShowAttribLine -AttributesToShow $line -Item $item
+            }
+        }
+
+        addJumpLine
+
+        # Body
+        addJumpLine ; "--- Body ---" | write Cyan ; addJumpLine
+        $item.body | write -Color Gray
+
+        # End of item
+        addJumpLine ; "------------" | write Cyan ; addJumpLine
+
+        # ID at the end
+        $item.id | write -Color DarkGray
+    }
+} Export-ModuleMember -Function Show-ProjectItem -Alias("shpi")
+
+function getStatusColor{
+    param(
+        [string]$status
+    )
+
+    switch ($status.ToLower()) {
+        "Todo" { return "Green" }
+        "Done" { return "DarkMagenta" }
+        "In Progress" { return "Yellow" }
+        default { return "Gray" }
+    }
+}
+
+function write{
+    param(
+        [Parameter(Position = 1)][string]$color,
+        [Parameter(Position = 2,ValueFromPipeline)][string]$text,
+        [Parameter()][switch]$BetweenQuotes,
+        [Parameter()][string]$PreFix,
+        [Parameter()][string]$DefaultValue = "(empty)"
+
+    )
+    process{
+
+        if([string]::IsNullOrWhiteSpace($text)){
+            $text = $DefaultValue
+        }
+
+        if($BetweenQuotes){
+            $text = """$text"""
+        }
+
+        if($PreFix){
+            $text = $PreFix + $text
+        }
+
+
+        $text | Write-ToConsole -Color $color -NoNewLine
+    }
+}
+function addJumpLine{
+    Write-ToConsole -Color White
+}
+function addSpace{
+    " " | Write-ToConsole -Color Cyan -NoNewline
+}
+function ShowAttribLine{
+    param(
+        [array]$AttributesToShow,
+        [object]$item
+    )
+
+    $isfirst = $true
+
+    $AttributesToShow | ForEach-Object {
+        $name = $_.Name
+        $color = $_.Color
+        $prefix = $_.Prefix
+        $BetweenQuotes = $_.BetweenQuotes
+
+        $value = $item.$name
+
+        if(!$isfirst){
+            " | " | write Gray
+        } else {
+            $isfirst = $false
+        }
+
+        $value | write $color -PreFix $prefix -BetweenQuotes:$BetweenQuotes -DefaultValue "<$name>"
+    }
+}
 
 function Get-ProjectItems {
     [CmdletBinding()]