#Requires -RunAsAdministrator

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
[System.Windows.Forms.Application]::EnableVisualStyles()

# ── Renkler & Fontlar ────────────────────────────────────────────────────────
$clrBg        = [System.Drawing.Color]::FromArgb(245, 245, 247)
$clrPanel     = [System.Drawing.Color]::White
$clrHeaderBg  = [System.Drawing.Color]::FromArgb(26, 26, 46)
$clrColHdr    = [System.Drawing.Color]::FromArgb(228, 228, 235)
$clrStatusBg  = [System.Drawing.Color]::FromArgb(240, 240, 245)
$clrEnable    = [System.Drawing.Color]::FromArgb(39, 80, 10)
$clrEnableBg  = [System.Drawing.Color]::FromArgb(220, 240, 210)
$clrDisable   = [System.Drawing.Color]::FromArgb(121, 31, 31)
$clrDisableBg = [System.Drawing.Color]::FromArgb(250, 225, 225)

$fontMain  = New-Object System.Drawing.Font("Segoe UI", 9)
$fontSmall = New-Object System.Drawing.Font("Segoe UI", 8)
$fontTitle = New-Object System.Drawing.Font("Segoe UI", 10, [System.Drawing.FontStyle]::Bold)

# ── Ana Form ─────────────────────────────────────────────────────────────────
$form = New-Object System.Windows.Forms.Form
$form.Text            = "hOLOlu Ag Arayuzu Yoneticisi"
$form.Size            = New-Object System.Drawing.Size(1010, 560)
$form.MinimumSize     = New-Object System.Drawing.Size(800, 440)
$form.StartPosition   = "CenterScreen"
$form.BackColor       = $clrBg
$form.Font            = $fontMain
$form.FormBorderStyle = "Sizable"

# ── TableLayoutPanel: 3 satir (baslik+sutun | liste | buton+status) ───────────
$tbl = New-Object System.Windows.Forms.TableLayoutPanel
$tbl.Dock        = "Fill"
$tbl.ColumnCount = 1
$tbl.RowCount    = 3
$tbl.Padding     = New-Object System.Windows.Forms.Padding(0)
$tbl.Margin      = New-Object System.Windows.Forms.Padding(0)
$null = $tbl.RowStyles.Add((New-Object System.Windows.Forms.RowStyle(
    [System.Windows.Forms.SizeType]::Absolute, 72)))   # Baslik (48) + Sutun hdr (24)
$null = $tbl.RowStyles.Add((New-Object System.Windows.Forms.RowStyle(
    [System.Windows.Forms.SizeType]::Percent, 100)))   # Liste (kalan alan)
$null = $tbl.RowStyles.Add((New-Object System.Windows.Forms.RowStyle(
    [System.Windows.Forms.SizeType]::Absolute, 82)))   # Butonlar (56) + Status (26)
$form.Controls.Add($tbl)

# ── SATIR 0: Baslik + Sutun basliklari ───────────────────────────────────────
$pnlTop = New-Object System.Windows.Forms.Panel
$pnlTop.Dock      = "Fill"
$pnlTop.BackColor = $clrHeaderBg
$tbl.Controls.Add($pnlTop, 0, 0)

# Baslik
$lblTitle = New-Object System.Windows.Forms.Label
$lblTitle.Text      = "  hOLOlu Ag Arayuzu Yoneticisi"
$lblTitle.ForeColor = [System.Drawing.Color]::White
$lblTitle.Font      = $fontTitle
$lblTitle.Location  = New-Object System.Drawing.Point(0, 0)
$lblTitle.Size      = New-Object System.Drawing.Size(580, 48)
$lblTitle.TextAlign = "MiddleLeft"
$pnlTop.Controls.Add($lblTitle)

$lblAdmin = New-Object System.Windows.Forms.Label
$lblAdmin.Text      = "ADMIN"
$lblAdmin.ForeColor = [System.Drawing.Color]::FromArgb(100, 210, 90)
$lblAdmin.Font      = $fontSmall
$lblAdmin.Location  = New-Object System.Drawing.Point(630, 0)
$lblAdmin.Size      = New-Object System.Drawing.Size(60, 48)
$lblAdmin.TextAlign = "MiddleCenter"
$pnlTop.Controls.Add($lblAdmin)

# Sutun basliklari
$pnlColHdr = New-Object System.Windows.Forms.Panel
$pnlColHdr.BackColor = $clrColHdr
$pnlColHdr.Location  = New-Object System.Drawing.Point(0, 48)
$pnlColHdr.Size      = New-Object System.Drawing.Size(700, 24)
$pnlColHdr.Anchor    = "Top,Left,Right"
$pnlTop.Controls.Add($pnlColHdr)

foreach ($h in @(
    @{T="Arayuz Adi"; L=6;   W=130},
    @{T="Aciklama";   L=138; W=195},
    @{T="Durum";      L=335; W=80},
    @{T="Tip";        L=417; W=75},
    @{T="MAC";        L=494; W=125},
    @{T="IPv4";       L=621; W=130},
    @{T="IPv6";       L=753; W=235}
)) {
    $lbl2 = New-Object System.Windows.Forms.Label
    $lbl2.Text      = $h.T
    $lbl2.Font      = $fontSmall
    $lbl2.ForeColor = [System.Drawing.Color]::FromArgb(80, 80, 95)
    $lbl2.Location  = New-Object System.Drawing.Point($h.L, 4)
    $lbl2.Size      = New-Object System.Drawing.Size($h.W, 16)
    $pnlColHdr.Controls.Add($lbl2)
}

$pnlTop.Add_Resize({
    $pnlColHdr.Width = $pnlTop.Width
    $lblAdmin.Left   = $pnlTop.Width - 70
})

# ── SATIR 1: ListView ────────────────────────────────────────────────────────
$lv = New-Object System.Windows.Forms.ListView
$lv.Dock          = "Fill"
$lv.View          = "Details"
$lv.FullRowSelect = $true
$lv.GridLines     = $true
$lv.BackColor     = $clrPanel
$lv.BorderStyle   = "None"
$lv.Font          = $fontMain
$lv.MultiSelect   = $false
$lv.HeaderStyle   = "None"
$null = $lv.Columns.Add("Ad",        132)
$null = $lv.Columns.Add("Aciklama",  195)
$null = $lv.Columns.Add("Durum",      82)
$null = $lv.Columns.Add("Tip",        77)
$null = $lv.Columns.Add("MAC",       127)
$null = $lv.Columns.Add("IPv4",      132)
$null = $lv.Columns.Add("IPv6",      240)
$tbl.Controls.Add($lv, 0, 1)

# ── SATIR 2: Butonlar + Durum ─────────────────────────────────────────────────
$pnlBottom = New-Object System.Windows.Forms.Panel
$pnlBottom.Dock      = "Fill"
$pnlBottom.BackColor = $clrPanel
$tbl.Controls.Add($pnlBottom, 0, 2)

function New-Btn($text, $bg, $fg, $x) {
    $b = New-Object System.Windows.Forms.Button
    $b.Text      = $text
    $b.BackColor = $bg
    $b.ForeColor = $fg
    $b.FlatStyle = "Flat"
    $b.FlatAppearance.BorderColor = [System.Drawing.Color]::FromArgb(180,180,190)
    $b.FlatAppearance.BorderSize  = 1
    $b.Font      = $fontMain
    $b.Size      = New-Object System.Drawing.Size(155, 34)
    $b.Location  = New-Object System.Drawing.Point($x, 8)
    $b.Cursor    = "Hand"
    return $b
}

$btnEnable  = New-Btn "Etkinlestir" $clrEnableBg  $clrEnable  12
$btnDisable = New-Btn "Devre Disi"  $clrDisableBg $clrDisable 177
$btnRefresh = New-Btn "Yenile"      $clrBg        ([System.Drawing.Color]::FromArgb(50,50,60)) 342
$pnlBottom.Controls.AddRange(@($btnEnable, $btnDisable, $btnRefresh))

$lblStatus = New-Object System.Windows.Forms.Label
$lblStatus.Text      = "  Hazir..."
$lblStatus.Font      = $fontSmall
$lblStatus.ForeColor = [System.Drawing.Color]::FromArgb(90, 90, 100)
$lblStatus.BackColor = $clrStatusBg
$lblStatus.Location  = New-Object System.Drawing.Point(0, 56)
$lblStatus.Size      = New-Object System.Drawing.Size(700, 26)
$lblStatus.TextAlign = "MiddleLeft"
$pnlBottom.Controls.Add($lblStatus)

$pnlBottom.Add_Resize({
    $lblStatus.Width = $pnlBottom.Width
})

# ── Adapterleri yukle ─────────────────────────────────────────────────────────
function Load-Adapters {
    $lv.BeginUpdate()
    $lv.Items.Clear()

    try   { $adapters = Get-NetAdapter -IncludeHidden -ErrorAction Stop | Sort-Object Name }
    catch { $adapters = Get-NetAdapter -ErrorAction SilentlyContinue   | Sort-Object Name }

    foreach ($a in $adapters) {
        $status = switch ($a.Status) {
            "Up"           { "Etkin" }
            "Disabled"     { "Devre disi" }
            "Disconnected" { "Bagli degil" }
            "NotPresent"   { "Yok" }
            default        { [string]$a.Status }
        }
        $type = switch -Wildcard ($a.InterfaceDescription) {
            "*Wi-Fi*"     { "Wi-Fi" }
            "*Wireless*"  { "Wi-Fi" }
            "*Bluetooth*" { "Bluetooth" }
            "*Hyper-V*"   { "Hyper-V" }
            "*Loopback*"  { "Loopback" }
            "*TAP*"       { "VPN/TAP" }
            "*WAN*"       { "WAN" }
            "*Tunnel*"    { "Tunnel" }
            "*miniport*"  { "Miniport" }
            default       { "Ethernet" }
        }
        $mac = if ($a.MacAddress) { [string]$a.MacAddress } else { "-" }

        # IP adreslerini al (sadece Up olan adapterlerde anlamli)
        $ipv4 = "-"
        $ipv6 = "-"
        try {
            $addrs = Get-NetIPAddress -InterfaceIndex $a.InterfaceIndex -ErrorAction SilentlyContinue
            $v4list = $addrs | Where-Object { $_.AddressFamily -eq "IPv4" } |
                               Select-Object -ExpandProperty IPAddress
            $v6list = $addrs | Where-Object { $_.AddressFamily -eq "IPv6" -and
                                              $_.IPAddress -notlike "fe80*" } |
                               Select-Object -ExpandProperty IPAddress
            # fe80 (link-local) adresler cok yer kaplıyor, ayri listele
            $v6ll   = $addrs | Where-Object { $_.AddressFamily -eq "IPv6" -and
                                              $_.IPAddress -like "fe80*" } |
                               Select-Object -ExpandProperty IPAddress

            if ($v4list)   { $ipv4 = ($v4list -join ", ") }
            $v6all = @()
            if ($v6list)   { $v6all += $v6list }
            if ($v6ll)     { $v6all += ($v6ll | ForEach-Object { "$_ (LL)" }) }
            if ($v6all)    { $ipv6 = ($v6all -join ", ") }
        } catch { }

        # ListViewItem olustur — SubItems string dizisi olarak ver
        $row = New-Object System.Windows.Forms.ListViewItem([string]$a.Name)
        $row.SubItems.Add([string]$a.InterfaceDescription) | Out-Null
        $row.SubItems.Add([string]$status)                 | Out-Null
        $row.SubItems.Add([string]$type)                   | Out-Null
        $row.SubItems.Add([string]$mac)                    | Out-Null
        $row.SubItems.Add([string]$ipv4)                   | Out-Null
        $row.SubItems.Add([string]$ipv6)                   | Out-Null
        $row.Tag = [string]$a.Name

        $row.ForeColor = switch ($a.Status) {
            "Up"       { [System.Drawing.Color]::FromArgb(20, 90, 20)  }
            "Disabled" { [System.Drawing.Color]::FromArgb(160, 50, 50) }
            default    { [System.Drawing.Color]::FromArgb(110,110,120) }
        }

        $lv.Items.Add($row) | Out-Null
    }

    $lv.EndUpdate()
    $lblStatus.Text = "  $($adapters.Count) adapter listelendi  |  Admin yetkisiyle calisiyor"
}

# ── Secim degisince durum guncelle ────────────────────────────────────────────
$lv.Add_SelectedIndexChanged({
    if ($lv.SelectedItems.Count -eq 0) { return }
    $n = [string]$lv.SelectedItems[0].Tag
    $a = Get-NetAdapter -Name $n -IncludeHidden -ErrorAction SilentlyContinue
    if (-not $a) { return }
    $s = switch ($a.Status) {
        "Up"           { "Etkin" }
        "Disabled"     { "Devre disi" }
        "Disconnected" { "Bagli degil" }
        default        { [string]$a.Status }
    }
    $lblStatus.Text = "  Secili: $n  |  $s  |  $([string]$a.InterfaceDescription)"
    # Secili satirdaki IP degerlerini status bar'a ekle
    $selItem = $lv.SelectedItems[0]
    $ip4show = $selItem.SubItems[5].Text
    $ip6show = $selItem.SubItems[6].Text
    $ipPart  = ""
    if ($ip4show -ne "-") { $ipPart += "  IPv4: $ip4show" }
    if ($ip6show -ne "-") { $ipPart += "  IPv6: $ip6show" }
    $lblStatus.Text = "  Secili: $n  |  $s$ipPart"
})

# ── Etkinlestir ───────────────────────────────────────────────────────────────
$btnEnable.Add_Click({
    if ($lv.SelectedItems.Count -eq 0) {
        [System.Windows.Forms.MessageBox]::Show(
            "Lutfen bir adapter secin.", "Uyari",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Warning) | Out-Null
        return
    }
    $n = [string]$lv.SelectedItems[0].Tag
    $lblStatus.Text = "  '$n' etkinlestiriliyor..."
    $form.Refresh()
    try {
        Enable-NetAdapter -Name $n -Confirm:$false -ErrorAction Stop
        Start-Sleep -Milliseconds 1200
        Load-Adapters
        [System.Windows.Forms.MessageBox]::Show(
            "'$n' basariyla etkinlestirildi.", "Basarili",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Information) | Out-Null
    } catch {
        [System.Windows.Forms.MessageBox]::Show(
            "Hata: $($_.Exception.Message)", "Islem basarisiz",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Error) | Out-Null
        $lblStatus.Text = "  Hata olustu."
    }
})

# ── Devre disi birak ──────────────────────────────────────────────────────────
$btnDisable.Add_Click({
    if ($lv.SelectedItems.Count -eq 0) {
        [System.Windows.Forms.MessageBox]::Show(
            "Lutfen bir adapter secin.", "Uyari",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Warning) | Out-Null
        return
    }
    $n = [string]$lv.SelectedItems[0].Tag
    $r = [System.Windows.Forms.MessageBox]::Show(
        "'$n' devre disi birakilacak. Onayliyor musunuz?", "Onay",
        [System.Windows.Forms.MessageBoxButtons]::YesNo,
        [System.Windows.Forms.MessageBoxIcon]::Question)
    if ($r -ne [System.Windows.Forms.DialogResult]::Yes) { return }
    $lblStatus.Text = "  '$n' devre disi birakiliyor..."
    $form.Refresh()
    try {
        Disable-NetAdapter -Name $n -Confirm:$false -ErrorAction Stop
        Start-Sleep -Milliseconds 1200
        Load-Adapters
        [System.Windows.Forms.MessageBox]::Show(
            "'$n' basariyla devre disi birakildi.", "Basarili",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Information) | Out-Null
    } catch {
        [System.Windows.Forms.MessageBox]::Show(
            "Hata: $($_.Exception.Message)", "Islem basarisiz",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Error) | Out-Null
        $lblStatus.Text = "  Hata olustu."
    }
})

# ── Yenile ────────────────────────────────────────────────────────────────────
$btnRefresh.Add_Click({
    $lblStatus.Text = "  Yenileniyor..."
    $form.Refresh()
    Load-Adapters
})

# ── Cift tiklama = toggle ─────────────────────────────────────────────────────
$lv.Add_DoubleClick({
    if ($lv.SelectedItems.Count -eq 0) { return }
    $n = [string]$lv.SelectedItems[0].Tag
    $a = Get-NetAdapter -Name $n -IncludeHidden -ErrorAction SilentlyContinue
    if (-not $a) { return }
    if ($a.Status -eq "Up") { $btnDisable.PerformClick() }
    else                    { $btnEnable.PerformClick()  }
})

# ── Baslat ───────────────────────────────────────────────────────────────────
Load-Adapters
$form.Add_Shown({ $form.Activate() })
[System.Windows.Forms.Application]::Run($form)