#Requires -Version 5.1
<#
Installer AdHoc Backup (GUI) - v1.3.8
- FIX definitivo accenti in GUI su PowerShell 5.1: questo file è salvato in UTF-8 **con BOM**
- Mantiene: font Segoe UI, UseCompatibleTextRendering, auto-detect encoding per backup.conf, salvataggio UTF-8 no BOM
- Solo 7zr.exe, install di Rclone & 7zr su "Installa", layout bin/conf, schedulazione, chiusura processi figli
#>

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
Add-Type -AssemblyName System.IO.Compression.FileSystem

# Abilita stile moderno WinForms
[System.Windows.Forms.Application]::EnableVisualStyles()

$ErrorActionPreference = 'Stop'

# ------------------------------ HELPERS GRAFICI -------------------------------
function New-Point([object]$x,[object]$y) { try { return New-Object System.Drawing.Point ([int]$x), ([int]$y) } catch { return [System.Drawing.Point]::new([int]$x, [int]$y) } }
function New-Size([object]$w,[object]$h) { try { return New-Object System.Drawing.Size ([int]$w), ([int]$h) } catch { return [System.Drawing.Size]::new([int]$w, [int]$h) } }
function Set-Loc($ctrl,[object]$x,[object]$y){ $ctrl.Location = New-Point $x $y }
function Set-Sz($ctrl,[object]$w,[object]$h){ $ctrl.Size      = New-Size $w $h }

# Abilita rendering compatibile (GDI+) su etichette/pulsanti/checkbox ecc.
function Enable-TextRendering($container){
    foreach($c in $container.Controls){
        if ($c -and ($c.PSObject.Properties['UseCompatibleTextRendering'])){
            $c.UseCompatibleTextRendering = $true
        }
        if ($c.Controls -and $c.Controls.Count -gt 0){
            Enable-TextRendering $c
        }
    }
}

# ------------------------------ LOG -------------------------------------------
function New-LogTimestamp { (Get-Date).ToString('yyyy-MM-dd HH:mm:ss') }
$global:LogFile    = $null
$global:LogTextBox = $null
function Write-Log {
    param([Parameter(Mandatory)][string]$Message,[ValidateSet('INFO','ERR','WARN')] [string]$Level = 'INFO')
    $line = "[{0}][{1}] {2}" -f (New-LogTimestamp), $Level, $Message
    if ($global:LogTextBox) { try { $global:LogTextBox.AppendText("$line`r`n") } catch {} }
    if ($global:LogFile)    { try { Add-Content -Path $global:LogFile -Value $line -Encoding UTF8 } catch {} }
    Write-Host $line
}

# ------------------------------ UTILS -----------------------------------------
function Ensure-Dir { param([Parameter(Mandatory)][string]$Path)
    if (-not (Test-Path -LiteralPath $Path)) { New-Item -ItemType Directory -Path $Path | Out-Null; Write-Log "Cartella creata: $Path" }
    else { Write-Log "Cartella già presente: $Path" }
}

function Start-Download {
    param([Parameter(Mandatory)][string]$Url,[Parameter(Mandatory)][string]$Dest)
    Write-Log "Scarico: $Url"; Write-Log "Destinazione: $Dest"
    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 -bor [Net.SecurityProtocolType]::Tls11 -bor [Net.SecurityProtocolType]::Tls
    try {
        Invoke-WebRequest -Uri $Url -OutFile $Dest -ErrorAction Stop
        Write-Log "Download completato."; return $true
    } catch {
        Write-Log "Invoke-WebRequest fallito: $($_.Exception.Message)" 'WARN'
        try { (New-Object System.Net.WebClient).DownloadFile($Url, $Dest); Write-Log "Download completato con WebClient (fallback)."; return $true }
        catch { Write-Log "Download fallito: $($_.Exception.Message)" 'ERR'; return $false }
    }
}

# Estrattore ZIP robusto (overwrite = true)
function Expand-Zip {
    param([Parameter(Mandatory)][string]$ZipPath,[Parameter(Mandatory)][string]$DestDir)
    Write-Log "Estrazione ZIP: $ZipPath -> $DestDir"
    $zip = $null
    try {
        $zip = [System.IO.Compression.ZipFile]::OpenRead($ZipPath)
        foreach ($entry in $zip.Entries) {
            $targetPath = Join-Path $DestDir $entry.FullName
            $targetDir  = Split-Path $targetPath -Parent
            if ([string]::IsNullOrEmpty($entry.Name)) {
                Ensure-Dir $targetPath
            } else {
                Ensure-Dir $targetDir
                [System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $targetPath, $true)
            }
        }
    } finally {
        if ($zip) { $zip.Dispose() }
    }
}

function New-DailyOrWeeklyTask {
    param([Parameter(Mandatory)][string]$TaskName,
          [Parameter(Mandatory)][string]$ScriptPath,
          [Parameter(Mandatory)][string]$ConfigPath,
          [Parameter(Mandatory)][DateTime]$Time,
          [ValidateSet('DAILY','WEEKLY')] [string]$Schedule = 'DAILY',
          [ValidateSet('MON','TUE','WED','THU','FRI','SAT','SUN')] [string]$Day = 'MON',
          [switch]$Quiet)
    $psArgs = @('-NoProfile','-ExecutionPolicy','Bypass','-File',('"{0}"' -f $ScriptPath),'-Config',('"{0}"' -f $ConfigPath))
    if ($Quiet) { $psArgs += '-Quiet' }
    $tr = 'powershell.exe ' + ($psArgs -join ' ')
    $st = $Time.ToString('HH:mm')
    $cmd = @('/Create','/SC',$Schedule,'/TN',('"{0}"' -f $TaskName),'/TR',('"{0}"' -f $tr),'/ST',$st,'/RL','HIGHEST','/F')
    if ($Schedule -eq 'WEEKLY') { $cmd += @('/D',$Day) }
    Write-Log "Creo/aggiorno attività pianificata: $TaskName ($Schedule) alle $st"
    try { schtasks.exe @cmd | Out-Null; Write-Log "Attività pianificata impostata."; return $true }
    catch { Write-Log "Creazione attività fallita: $($_.Exception.Message)" 'ERR'; return $false }
}

# ------------------------------ LAYOUT BIN/CONF -------------------------------
function Ensure-ToolsLayout {
    param([Parameter(Mandatory)][string]$Root)
    $binRoot  = Join-Path $Root 'bin'
    $confRoot = Join-Path $binRoot 'conf'
    $rcloneDir= Join-Path $binRoot 'RClone'
    $sevenDir = Join-Path $binRoot '7Zip'
    Ensure-Dir $binRoot
    Ensure-Dir $confRoot
    Ensure-Dir $rcloneDir
    Ensure-Dir $sevenDir
    return @{ Bin=$binRoot; Conf=$confRoot; RClone=$rcloneDir; SevenZip=$sevenDir }
}

function Ensure-RcloneExe {
    param([Parameter(Mandatory)][string]$RcloneDir)
    $exe = Join-Path $RcloneDir 'rclone.exe'
    if (-not (Test-Path -LiteralPath $exe)) {
        $zip = Join-Path $RcloneDir 'rclone-current-windows-amd64.zip'
        if (Start-Download -Url 'https://downloads.rclone.org/rclone-current-windows-amd64.zip' -Dest $zip) {
            Expand-Zip -ZipPath $zip -DestDir $RcloneDir
            $found = Get-ChildItem -LiteralPath $RcloneDir -Recurse -Filter 'rclone.exe' | Select-Object -First 1
            if ($found) { Copy-Item -LiteralPath $found.FullName -Destination $exe -Force }
            Get-ChildItem -LiteralPath $RcloneDir -Directory | Where-Object { $_.Name -like 'rclone-*' } | Remove-Item -Recurse -Force -ErrorAction SilentlyContinue
            Remove-Item -LiteralPath $zip -Force -ErrorAction SilentlyContinue
        }
    }
    return $exe
}

# === SOLO 7zr.exe =============================================================
function Ensure-SevenZipExe {
    param([Parameter(Mandatory)][string]$SevenZipDir)
    $exe = Join-Path $SevenZipDir '7zr.exe'
    if (-not (Test-Path -LiteralPath $exe)) {
        $url7zr = 'https://www.7-zip.org/a/7zr.exe'
        if (Start-Download -Url $url7zr -Dest $exe) {
            Write-Log "Installato 7-Zip minimal: $exe"
        } else {
            Write-Log "Impossibile installare 7-Zip (7zr.exe)." 'ERR'
        }
    }
    return $exe
}

# ------------------------------ CONF PARSER -----------------------------------
$global:ChildPids = New-Object System.Collections.ArrayList
function Track-Child($p){ if ($p -and $p.Id) { [void]$global:ChildPids.Add($p.Id) } }

$global:ConfUi = @{
    Map         = [ordered]@{}
    Order       = @()
    Controls    = @{}
    SourceLines = @()
    TempPath    = Join-Path $env:TEMP 'adhoc_backup_conf_preview.conf'
}

function Is-BoolString([string]$s){ if ($null -eq $s) { return $false }
    switch ($s.Trim().ToLowerInvariant()) { 'true' {1};'false' {1};'1' {1};'0' {1};'yes' {1};'no' {1};'y' {1};'n' {1}; default {0} } }

# Auto-detect encoding (UTF-8/UTF-16/ANSI). Preferisce UTF-8, ma cade su ANSI se necessario.
function Read-FileAuto {
    param([Parameter(Mandatory)][string]$Path)
    $bytes = [System.IO.File]::ReadAllBytes($Path)
    if ($bytes.Length -ge 3 -and $bytes[0] -eq 0xEF -and $bytes[1] -eq 0xBB -and $bytes[2] -eq 0xBF) {
        $text = [System.Text.Encoding]::UTF8.GetString($bytes,3,$bytes.Length-3)
    } elseif ($bytes.Length -ge 2 -and $bytes[0] -eq 0xFF -and $bytes[1] -eq 0xFE) {
        $enc = [System.Text.Encoding]::Unicode
        $text = $enc.GetString($bytes,2,$bytes.Length-2)
    } elseif ($bytes.Length -ge 2 -and $bytes[0] -eq 0xFE -and $bytes[1] -eq 0xFF) {
        $enc = [System.Text.Encoding]::BigEndianUnicode
        $text = $enc.GetString($bytes,2,$bytes.Length-2)
    } else {
        $utf8Strict = New-Object System.Text.UTF8Encoding($false,$true)
        try {
            $text = $utf8Strict.GetString($bytes)
        } catch {
            $text = [System.Text.Encoding]::Default.GetString($bytes)
        }
        if ($text -match ([char]0xFFFD)) { # carattere di sostituzione presente => probabile encoding errato
            $alt = [System.Text.Encoding]::Default.GetString($bytes)
            $count1 = ($text.ToCharArray() | Where-Object { $_ -eq [char]0xFFFD }).Count
            $count2 = ($alt.ToCharArray()  | Where-Object { $_ -eq [char]0xFFFD }).Count
            if ($count2 -lt $count1) { $text = $alt }
        }
    }
    return $text -split "`r?`n"
}

function Parse-BackupConf {
    param([Parameter(Mandatory)][string]$Path)
    $order = New-Object System.Collections.ArrayList
    $map   = [ordered]@{}
    $lines = Read-FileAuto -Path $Path
    foreach ($line in $lines) {
        $trim = $line.Trim()
        if ($trim -eq '' -or $trim.StartsWith('#') -or $trim.StartsWith(';')) { [void]$order.Add(@{type='comment';text=$line}); continue }
        $idx = $trim.IndexOf('='); if ($idx -lt 1) { [void]$order.Add(@{type='raw';text=$line}); continue }
        $k = $trim.Substring(0,$idx).Trim(); $v = $trim.Substring($idx+1).Trim()
        $v = ($v -replace '(\s+)[#;].*$', '').Trim()
        if (($v.StartsWith('"') -and $v.EndsWith('"')) -or ($v.StartsWith("'") -and $v.EndsWith("'"))) { $v = $v.Substring(1,$v.Length-2) }
        $map[$k] = $v; [void]$order.Add(@{type='kv';key=$k})
    }
    $global:ConfUi.Map=$map; $global:ConfUi.Order=$order; $global:ConfUi.SourceLines=$lines
}

function Save-BackupConf { param([Parameter(Mandatory)][string]$Path)
    if (-not $global:ConfUi.Map) { throw "Mappa configurazione non inizializzata." }
    $out = New-Object System.Collections.Generic.List[string]
    foreach ($entry in $global:ConfUi.Order){
        if ($entry.type -eq 'kv'){
            $k=$entry.key; $v=$global:ConfUi.Map[$k]
            if (Is-BoolString $v) { $v = ([string]$v).Trim().ToLowerInvariant(); if ($v -in @('1','yes','y')){$v='true'} elseif ($v -in @('0','no','n')){$v='false'} }
            $out.Add("$k=$v")
        } else { $out.Add($entry.text) }
    }
    foreach ($k in $global:ConfUi.Map.Keys){
        if (-not ($global:ConfUi.Order | Where-Object { $_.type -eq 'kv' -and $_.key -eq $k })) { $out.Add("$k=$($global:ConfUi.Map[$k])") }
    }
    # UTF-8 no BOM
    $utf8NoBom = New-Object System.Text.UTF8Encoding($false)
    [System.IO.File]::WriteAllLines($Path, $out, $utf8NoBom)
}

# ------------------------------ DEFAULTS --------------------------------------
$defaultInstall   = 'C:\polo\scripts'
$defaultScriptUrl = 'https://gitea.poloinformatico.it/Mattia/Backup-AdHoc/raw/branch/main/AdHoc-Backup.ps1'
$defaultConfUrl   = 'https://gitea.poloinformatico.it/Mattia/Backup-AdHoc/raw/branch/main/backup.conf'

# ------------------------------ UI --------------------------------------------
$form = New-Object System.Windows.Forms.Form
$form.Text = 'Installer AdHoc Backup'
$form.StartPosition = 'CenterScreen'
$form.MaximizeBox = $true
$form.FormBorderStyle = 'FixedDialog'
# Font globale moderno con pieno supporto accenti
$form.Font = New-Object System.Drawing.Font('Segoe UI', 9)
Set-Sz $form 900 860

# Install path
$lblInstall = New-Object System.Windows.Forms.Label
$lblInstall.Text = 'Cartella di installazione'; Set-Loc $lblInstall 10 12; Set-Sz $lblInstall 200 20; $form.Controls.Add($lblInstall)

$txtInstall = New-Object System.Windows.Forms.TextBox
Set-Loc $txtInstall 10 32; Set-Sz $txtInstall 760 24; $txtInstall.Text = $defaultInstall; $form.Controls.Add($txtInstall)

$btnBrowse = New-Object System.Windows.Forms.Button
$btnBrowse.Text = 'Scegli...'; Set-Loc $btnBrowse 780 30; Set-Sz $btnBrowse 90 28; $form.Controls.Add($btnBrowse)

# URLs
$lblScriptUrl = New-Object System.Windows.Forms.Label; $lblScriptUrl.Text = 'Script URL'; Set-Loc $lblScriptUrl 10 64; Set-Sz $lblScriptUrl 150 22; $form.Controls.Add($lblScriptUrl)
$txtScriptUrl = New-Object System.Windows.Forms.TextBox; Set-Loc $txtScriptUrl 10 84; Set-Sz $txtScriptUrl 860 24; $txtScriptUrl.Text = $defaultScriptUrl; $form.Controls.Add($txtScriptUrl)

$lblConfUrl = New-Object System.Windows.Forms.Label; $lblConfUrl.Text = 'Config URL'; Set-Loc $lblConfUrl 10 116; Set-Sz $lblConfUrl 150 22; $form.Controls.Add($lblConfUrl)
$txtConfUrl = New-Object System.Windows.Forms.TextBox; Set-Loc $txtConfUrl 10 136; Set-Sz $txtConfUrl 860 24; $txtConfUrl.Text = $defaultConfUrl; $form.Controls.Add($txtConfUrl)

# Opzioni
$grpOptions = New-Object System.Windows.Forms.GroupBox; $grpOptions.Text = 'Opzioni'; Set-Loc $grpOptions 10 170; Set-Sz $grpOptions 340 120; $form.Controls.Add($grpOptions)
$chkForceConf = New-Object System.Windows.Forms.CheckBox; $chkForceConf.Text='Sovrascrivi config esistente (ForceConfig)'; Set-Loc $chkForceConf 10 20; Set-Sz $chkForceConf 300 24; $grpOptions.Controls.Add($chkForceConf)
$chkNoRun = New-Object System.Windows.Forms.CheckBox; $chkNoRun.Text='Non avviare il backup ora (NoRun)'; Set-Loc $chkNoRun 10 45; Set-Sz $chkNoRun 300 24; $grpOptions.Controls.Add($chkNoRun)
$chkQuiet = New-Object System.Windows.Forms.CheckBox; $chkQuiet.Text='Modalità silenziosa (Quiet)'; Set-Loc $chkQuiet 10 70; Set-Sz $chkQuiet 300 24; $grpOptions.Controls.Add($chkQuiet)

# Schedulazione
$grpSched = New-Object System.Windows.Forms.GroupBox; $grpSched.Text='Schedulazione'; Set-Loc $grpSched 360 170; Set-Sz $grpSched 510 160; $form.Controls.Add($grpSched)
$chkSchedule = New-Object System.Windows.Forms.CheckBox; $chkSchedule.Text='Crea attività pianificata'; Set-Loc $chkSchedule 10 20; Set-Sz $chkSchedule 220 24; $chkSchedule.Checked=$true; $grpSched.Controls.Add($chkSchedule)
$lblFreq = New-Object System.Windows.Forms.Label; $lblFreq.Text='Frequenza:'; Set-Loc $lblFreq 20 50; Set-Sz $lblFreq 80 24; $grpSched.Controls.Add($lblFreq)
$cmbFreq = New-Object System.Windows.Forms.ComboBox; $cmbFreq.DropDownStyle='DropDownList'; [void]$cmbFreq.Items.Add('Giornaliera'); [void]$cmbFreq.Items.Add('Settimanale'); $cmbFreq.SelectedIndex=0; Set-Loc $cmbFreq 100 48; Set-Sz $cmbFreq 120 24; $grpSched.Controls.Add($cmbFreq)
$lblDOW = New-Object System.Windows.Forms.Label; $lblDOW.Text='Giorno:'; Set-Loc $lblDOW 240 50; Set-Sz $lblDOW 60 24; $grpSched.Controls.Add($lblDOW)
$cmbDOW = New-Object System.Windows.Forms.ComboBox; $cmbDOW.DropDownStyle='DropDownList'
'Lunedì (MON)','Martedì (TUE)','Mercoledì (WED)','Giovedì (THU)','Venerdì (FRI)','Sabato (SAT)','Domenica (SUN)' | ForEach-Object { [void]$cmbDOW.Items.Add($_) }
$cmbDOW.SelectedIndex=0; Set-Loc $cmbDOW 300 48; Set-Sz $cmbDOW 180 24; $cmbDOW.Enabled=$false; $grpSched.Controls.Add($cmbDOW)
$cmbFreq.Add_SelectedIndexChanged({ $cmbDOW.Enabled = ($cmbFreq.SelectedIndex -eq 1) })

$lblTime = New-Object System.Windows.Forms.Label; $lblTime.Text='Ora:'; Set-Loc $lblTime 20 85; Set-Sz $lblTime 40 24; $grpSched.Controls.Add($lblTime)
$timePicker = New-Object System.Windows.Forms.DateTimePicker; $timePicker.Format=[System.Windows.Forms.DateTimePickerFormat]::Time; $timePicker.ShowUpDown=$true
$tpDefault = Get-Date; $tpDefault = Get-Date -Hour 23 -Minute 0 -Second 0
$timePicker.Value = $tpDefault; Set-Loc $timePicker 60 82; Set-Sz $timePicker 100 24; $grpSched.Controls.Add($timePicker)

$lblTask = New-Object System.Windows.Forms.Label; $lblTask.Text='Nome task:'; Set-Loc $lblTask 180 85; Set-Sz $lblTask 80 24; $grpSched.Controls.Add($lblTask)
$txtTask = New-Object System.Windows.Forms.TextBox; Set-Loc $txtTask 260 82; Set-Sz $txtTask 230 24; $txtTask.Text='Backup_AdHoc'; $grpSched.Controls.Add($txtTask)

# Argomenti extra
$lblExtra = New-Object System.Windows.Forms.Label; $lblExtra.Text='Argomenti extra per AdHoc (es. -WhatIf)'; Set-Loc $lblExtra 10 340; Set-Sz $lblExtra 420 22; $form.Controls.Add($lblExtra)
$txtExtra = New-Object System.Windows.Forms.TextBox; Set-Loc $txtExtra 10 362; Set-Sz $txtExtra 860 24; $form.Controls.Add($txtExtra)

# ------------------------------ TAB: CONFIGURAZIONE ---------------------------
$tabs = New-Object System.Windows.Forms.TabControl; Set-Loc $tabs 10 392; Set-Sz $tabs 860 230; $form.Controls.Add($tabs)
$tabConfig = New-Object System.Windows.Forms.TabPage; $tabConfig.Text='Configurazione (backup.conf)'; [void]$tabs.TabPages.Add($tabConfig)

$cfgPanel = New-Object System.Windows.Forms.Panel; Set-Loc $cfgPanel 10 10; Set-Sz $cfgPanel 830 150; $cfgPanel.AutoScroll=$true; $tabConfig.Controls.Add($cfgPanel)

$btnReloadConf = New-Object System.Windows.Forms.Button; $btnReloadConf.Text='Ricarica da URL'; Set-Loc $btnReloadConf 10 170; Set-Sz $btnReloadConf 140 28; $tabConfig.Controls.Add($btnReloadConf)
$btnSaveConf   = New-Object System.Windows.Forms.Button; $btnSaveConf.Text='Salva in bin\\conf'; Set-Loc $btnSaveConf 160 170; Set-Sz $btnSaveConf 230 28; $tabConfig.Controls.Add($btnSaveConf)
$btnRcloneConfig = New-Object System.Windows.Forms.Button; $btnRcloneConfig.Text='Configura rclone (console)'; Set-Loc $btnRcloneConfig 400 170; Set-Sz $btnRcloneConfig 200 28; $tabConfig.Controls.Add($btnRcloneConfig)

function Build-ConfigUI {
    $cfgPanel.Controls.Clear(); $global:ConfUi.Controls = @{}
    $xLabel=10; $xCtrl=260; $y=10; $h=24
    foreach ($k in $global:ConfUi.Map.Keys) {
        $key = [string]$k
        $v = $global:ConfUi.Map[$key]
        $lbl = New-Object System.Windows.Forms.Label; $lbl.Text=$key; $lbl.Tag=$key; Set-Loc $lbl $xLabel ($y+4); Set-Sz $lbl 240 $h; $cfgPanel.Controls.Add($lbl)
        if (Is-BoolString $v) {
            $chk = New-Object System.Windows.Forms.CheckBox
            $chk.Tag = $key
            $chk.Checked = (('1','true','yes','y') -contains ($v.ToString().ToLower()))
            Set-Loc $chk $xCtrl ($y+2); Set-Sz $chk 20 $h
            $chk.add_CheckedChanged({ param($sender,$args)
                try {
                    $k2 = [string]$sender.Tag
                    if (-not [string]::IsNullOrEmpty($k2)) {
                        $global:ConfUi.Map[$k2] = if ($sender.Checked) { 'true' } else { 'false' }
                    }
                } catch { Write-Log "Update booleano fallito: $($_.Exception.Message)" 'WARN' }
            })
            $cfgPanel.Controls.Add($chk); $global:ConfUi.Controls[$key]=$chk
        } else {
            $tb = New-Object System.Windows.Forms.TextBox
            $tb.Tag = $key
            $tb.Text=$v; Set-Loc $tb $xCtrl $y; Set-Sz $tb 540 $h
            $tb.add_TextChanged({ param($sender,$args)
                try {
                    $k2 = [string]$sender.Tag
                    if (-not [string]::IsNullOrEmpty($k2)) {
                        $global:ConfUi.Map[$k2] = $sender.Text
                    }
                } catch { Write-Log "Update testo fallito: $($_.Exception.Message)" 'WARN' }
            })
            $cfgPanel.Controls.Add($tb); $global:ConfUi.Controls[$key]=$tb
        }
        $y += 28
    }
    Enable-TextRendering $cfgPanel
}

$btnReloadConf.Add_Click({
    try {
        $temp = $global:ConfUi.TempPath
        if (Start-Download -Url $txtConfUrl.Text -Dest $temp) {
            Parse-BackupConf -Path $temp; Build-ConfigUI; Write-Log "backup.conf scaricato e caricato in editor: $temp"
        }
    } catch { Write-Log "Errore ricarica backup.conf: $($_.Exception.Message)" 'ERR' }
})

$btnSaveConf.Add_Click({
    try {
        $layout = Ensure-ToolsLayout -Root $txtInstall.Text
        $dest = Join-Path $layout.Conf 'backup.conf'
        Save-BackupConf -Path $dest
        Write-Log "backup.conf salvato in: $dest"
    } catch { Write-Log "Errore salvataggio backup.conf: $($_.Exception.Message)" 'ERR' }
})

# Avvio rclone config in console dedicata
$btnRcloneConfig.Add_Click({
    try {
        $layout = Ensure-ToolsLayout -Root $txtInstall.Text
        $rcloneExe  = Ensure-RcloneExe -RcloneDir $layout.RClone
        $rcloneConf = Join-Path $layout.Conf 'rclone.conf'
        $p = Start-Process -FilePath $rcloneExe -ArgumentList @('config','--config', $rcloneConf) -WorkingDirectory $layout.RClone -PassThru
        [void]$global:ChildPids.Add($p.Id)
        Write-Log "Avviato rclone config (PID=$($p.Id))"
    } catch { Write-Log "Errore avvio rclone config: $($_.Exception.Message)" 'ERR' }
})

# ------------------------------ BOTTONI AZIONE --------------------------------
$btnInstall = New-Object System.Windows.Forms.Button; $btnInstall.Text='Installa'; Set-Loc $btnInstall 10 652; Set-Sz $btnInstall 120 32; $form.Controls.Add($btnInstall)
$btnClose   = New-Object System.Windows.Forms.Button; $btnClose.Text='Chiudi'; Set-Loc $btnClose 150 652; Set-Sz $btnClose 120 32; $form.Controls.Add($btnClose)

# LOG
$lblLog = New-Object System.Windows.Forms.Label; $lblLog.Text='Log'; Set-Loc $lblLog 10 692; Set-Sz $lblLog 50 22; $form.Controls.Add($lblLog)
$txtLog = New-Object System.Windows.Forms.TextBox; Set-Loc $txtLog 10 712; Set-Sz $txtLog 860 100; $txtLog.Multiline=$true; $txtLog.ScrollBars='Vertical'; $txtLog.ReadOnly=$true; $form.Controls.Add($txtLog); $global:LogTextBox = $txtLog

# ------------------------------ HANDLERS --------------------------------------
$btnBrowse.Add_Click({ $dlg = New-Object System.Windows.Forms.FolderBrowserDialog; $dlg.Description='Seleziona cartella di installazione'; if ($dlg.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK){ $txtInstall.Text=$dlg.SelectedPath } })

$btnInstall.Add_Click({
    try {
        $btnInstall.Enabled = $false
        $root = $txtInstall.Text; Ensure-Dir $root
        $layout = Ensure-ToolsLayout -Root $root

        # Scarica/installa Rclone e SOLO 7zr.exe
        $rcloneExe = Ensure-RcloneExe -RcloneDir $layout.RClone
        if (-not (Test-Path -LiteralPath $rcloneExe)) { Write-Log "ATTENZIONE: rclone.exe non installato." 'WARN' }
        $sevenExe  = Ensure-SevenZipExe -SevenZipDir $layout.SevenZip
        if (-not (Test-Path -LiteralPath $sevenExe))  { Write-Log "ATTENZIONE: 7-Zip (7zr.exe) non installato." 'WARN' }

        # Script principale
        $scriptPath = Join-Path $root 'AdHoc-Backup.ps1'
        if (-not (Start-Download -Url $txtScriptUrl.Text -Dest $scriptPath)) { throw "Impossibile scaricare lo script principale." }

        # backup.conf -> bin\conf\backup.conf
        $confPath = Join-Path $layout.Conf 'backup.conf'
        if ($global:ConfUi.Map) { Save-BackupConf -Path $confPath }
        else {
            if (-not (Start-Download -Url $txtConfUrl.Text -Dest $confPath)) { Write-Log "Attenzione: impossibile ottenere backup.conf; procedo senza." 'WARN' }
        }

        # Schedulazione
        if ($chkSchedule.Checked) {
            $schedule = if ($cmbFreq.SelectedIndex -eq 1) { 'WEEKLY' } else { 'DAILY' }
            $dowmap = @('MON','TUE','WED','THU','FRI','SAT','SUN'); $day=$dowmap[0]; if ($schedule -eq 'WEEKLY'){ $day=$dowmap[$cmbDOW.SelectedIndex] }
            [void](New-DailyOrWeeklyTask -TaskName $txtTask.Text -ScriptPath $scriptPath -ConfigPath $confPath -Time $timePicker.Value -Schedule $schedule -Day $day -Quiet:$chkQuiet.Checked)
        }

        # Avvio immediato
        if (-not $chkNoRun.Checked) {
            $args=@('-NoProfile','-ExecutionPolicy','Bypass','-File',"`"$scriptPath`"","-Config", "`"$confPath`"")
            if ($chkQuiet.Checked){ $args += '-Quiet' }
            if ($txtExtra.Text -and $txtExtra.Text.Trim() -ne ''){ $args += $txtExtra.Text.Trim().Split(' ') }
            $p=Start-Process -FilePath 'powershell.exe' -ArgumentList $args -PassThru; [void]$global:ChildPids.Add($p.Id); Write-Log "Esecuzione avviata (PID=$($p.Id))."
        }

        Write-Log "Installazione completata."
    } catch { Write-Log "Errore durante l'installazione: $($_.Exception.Message)" 'ERR' }
    finally { $btnInstall.Enabled = $true }
})

$btnClose.Add_Click({ $form.Close() })

# Chiudi eventuali processi figli avviati dalla GUI
$form.Add_FormClosed({
    foreach ($cpid in $global:ChildPids) {
        try {
            $proc = Get-Process -Id $cpid -ErrorAction SilentlyContinue
            if ($proc) {
                $null = $proc.CloseMainWindow()
                Start-Sleep -Milliseconds 200
                if (-not $proc.HasExited) { Stop-Process -Id $cpid -Force -ErrorAction SilentlyContinue }
            }
        } catch {}
    }
})

# ------------------------------ AVVIO -----------------------------------------
$global:LogFile = Join-Path $env:TEMP "install-adhoc-backup_gui_$(Get-Date -Format 'yyyyMMdd_HHmmss').log"
Write-Log "Log file: $global:LogFile"

try {
    $temp = $global:ConfUi.TempPath
    if (Start-Download -Url $defaultConfUrl -Dest $temp) { Parse-BackupConf -Path $temp; Build-ConfigUI; Write-Log "backup.conf iniziale caricato da: $defaultConfUrl" }
    else { Write-Log "Non sono riuscito a scaricare il backup.conf iniziale." 'WARN' }
} catch { Write-Log "Errore iniziale confer: $($_.Exception.Message)" 'ERR' }

# Applica rendering compatibile a tutta la finestra
Enable-TextRendering $form

[void]$form.ShowDialog()