# Erzeugt die Skill-Uebersicht in README.md zwischen <!-- skills:start --> und <!-- skills:end -->
# neu. Mit -Check wird nur geprueft, ob sie aktuell ist (Exit-Code 1, wenn nicht).
# Aufruf: scripts\update-index.ps1 [-Check]
param([switch]$Check)
. (Join-Path $PSScriptRoot 'lib.ps1')
. (Join-Path $PSScriptRoot 'cursor-deeplink.ps1')

$RepoWeb = 'https://git.gundel.dev/dg/claude-skills'
$readme = Join-Path $Root 'README.md'
$current = Read-Text $readme
$lines = $current -split "`n"
$start = [Array]::IndexOf($lines, '<!-- skills:start -->')
$end = [Array]::IndexOf($lines, '<!-- skills:end -->')
if ($start -lt 0 -or $end -lt $start) {
    Write-Error 'README.md enthaelt die Marker <!-- skills:start --> / <!-- skills:end --> nicht.'
    exit 1
}

function ConvertTo-MdText([string]$s) {
    if ([string]::IsNullOrEmpty($s)) { return '' }
    $map = [ordered]@{
        '\' = '\\'
        '*' = '\*'
        '_' = '\_'
        '`' = '\`'
        '[' = '\['
    }
    foreach ($k in @($map.Keys)) { $s = $s.Replace($k, $map[$k]) }
    return $s
}

$ServerKeys = @{
    'wordcraft-mcp'   = 'wordcraft'
    'gridcraft-mcp'   = 'gridcraft'
    'pdfcraft-mcp'    = 'pdfcraft'
    'figcraft-mcp'    = 'figcraft'
    'vectorcraft-mcp' = 'vectorcraft'
    'solidcraft-mcp'  = 'solidcraft'
}

function Get-McpServerKey([string]$SkillName) {
    if ($ServerKeys.ContainsKey($SkillName)) { return $ServerKeys[$SkillName] }
    if ($SkillName -match '^(.+)-mcp$') { return $Matches[1] }
    return $SkillName
}

# Mittelpunkt als Zeichencode: Windows PowerShell 5.1 liest .ps1 ohne BOM als ANSI.
$dot = [char]0x00B7
$table = @()
foreach ($n in (Get-SkillNames)) {
    $dir = Join-Path $SkillsDir $n
    $desc = ''
    $skill = Join-Path $dir 'SKILL.md'
    if (Test-Path $skill) {
        $fm = Get-Frontmatter $skill
        if ($null -ne $fm) {
            $d = Get-FmValue $fm 'description'
            if ($d) { $desc = $d }
        }
    }
    $lead = $desc.Trim()
    $note = ''
    $cut = $lead.IndexOf(' Verwenden')
    if ($cut -gt 0) {
        $note = $lead.Substring($cut + 1).Trim()
        $lead = $lead.Substring(0, $cut).Trim()
    }
    if ($lead.Length -gt 0 -and [char]::IsLower($lead[0])) {
        $lead = $lead.Substring(0, 1).ToUpperInvariant() + $lead.Substring(1)
    }
    $ver = Get-SkillVersion $dir
    $tagEnc = [Uri]::EscapeDataString("$n/v$ver")
    $base = "$RepoWeb/releases/download/$tagEnc"
    $zipName = "$n-v$ver.zip"
    $links = @(
        "[Doku](skills/$n/README.md)",
        "[Skill-ZIP]($base/$zipName `"$zipName`")"
    )
    $extPath = Join-Path $dir 'extension\manifest.json'
    if (Test-Path $extPath) {
        $mcpbName = "$n-v$ver.mcpb"
        $cursorName = "$n-cursor-v$ver.zip"
        $links += "[Erweiterung]($base/$mcpbName `"$mcpbName`")"
        $links += "[Cursor-Plugin]($base/$cursorName `"$cursorName`")"
        $man = (Read-Text $extPath) | ConvertFrom-Json
        $serverKey = Get-McpServerKey $n
        $cmd = [string]$man.server.mcp_config.command
        $argsList = New-Object System.Collections.Generic.List[string]
        foreach ($a in @($man.server.mcp_config.args)) {
            $s = [string]$a
            if ($s -eq '${user_config.author}') { $argsList.Add('Claude'); continue }
            if ($s -eq '${user_config.read_root}') { $argsList.Add('${userHome}/Documents'); continue }
            if ($s -eq '${user_config.write_root}') { $argsList.Add('${userHome}/Documents/Claude'); continue }
            $argsList.Add($s)
        }
        $transport = @{ command = $cmd; args = @($argsList) }
        $link = New-CursorDeeplink -ServerName $serverKey -Config $transport
        $links += "[Add to Cursor]($link)"
    }
    if ($table.Count -gt 0) { $table += ''; $table += '---'; $table += '' }
    $table += "### [$n](skills/$n/) $dot ``v$ver``"
    $table += ''
    $table += '> ' + (ConvertTo-MdText $lead)
    $table += ''
    if ($note) {
        $table += '*' + (ConvertTo-MdText $note) + '*'
        $table += ''
    }
    $table += ($links -join " $dot ")
}

$newLines = @()
if ($start -ge 0) { $newLines += $lines[0..$start] }
$newLines += $table
$newLines += $lines[$end..($lines.Count - 1)]
$new = $newLines -join "`n"

if ($Check) {
    if ($new -cne $current) {
        Write-Host 'README.md ist nicht aktuell - scripts\update-index.ps1 ausfuehren und committen.'
        exit 1
    }
    Write-Host 'README.md ist aktuell.'
}
else {
    Write-Text $readme $new
    Write-Host 'README.md aktualisiert.'
}