# Planification - icone barre des taches (best-effort, optionnel)   // 2026.1.4 - QRO
# Developpe par Quentin Rouiller (QRO) - DGNSI, Canton de Vaud.
# Licence MIT - voir le fichier LICENSE.
#
# Indique que le helper de sync est installe. Clic / menu -> fenetre du journal
# (aspect application : journal colore par niveau, auto-rafraichi, bouton
# "Tout afficher"). Lance par tray.vbs (fenetre masquee), au login.

$ErrorActionPreference = 'SilentlyContinue'

# Instance unique.
$mutex = New-Object System.Threading.Mutex($false, 'Local\PlanificationTraySingleton')
if (-not $mutex.WaitOne(0)) { exit }

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

# tray.ps1 vit dans <install>\bin -> racine = parent ; assets et log a la racine.
$root     = if ($PSScriptRoot) { Split-Path -Parent $PSScriptRoot } else { Join-Path $env:LOCALAPPDATA 'Planification' }
$logFile  = Join-Path $root 'activity.log'
$iconPng  = Join-Path (Join-Path $root 'assets') 'icon.png'

function Get-TrayIcon {
  try {
    if (Test-Path -LiteralPath $iconPng) {
      $bmp = New-Object System.Drawing.Bitmap($iconPng)
      return [System.Drawing.Icon]::FromHandle($bmp.GetHicon())
    }
  } catch {}
  return [System.Drawing.SystemIcons]::Information
}

$script:logForm = $null
$script:logRtb  = $null
$script:logChk  = $null
$script:logSig  = ''

$colInfo  = [System.Drawing.Color]::FromArgb(40, 70, 120)
$colDebug = [System.Drawing.Color]::FromArgb(150, 150, 150)
$colErr   = [System.Drawing.Color]::FromArgb(200, 40, 40)
$colTs    = [System.Drawing.Color]::FromArgb(120, 120, 120)

function Update-LogText {
  if (-not $script:logRtb -or $script:logRtb.IsDisposed) { return }
  $lines = @()
  if (Test-Path -LiteralPath $logFile) {
    try {
      $all = Get-Content -LiteralPath $logFile -Encoding UTF8 -ErrorAction SilentlyContinue
      if ($all) {
        if ($script:logChk -and -not $script:logChk.Checked) {
          $all = $all | Where-Object { $_ -notmatch '\[DEBUG\]' }
        }
        $lines = @($all | Select-Object -Last 500)
      }
    } catch {}
  }
  $sig = ($lines -join "`n")
  if ($sig -eq $script:logSig) { return }
  $script:logSig = $sig

  $rtb = $script:logRtb
  $rtb.SuspendLayout()
  $rtb.Clear()
  if ($lines.Count -eq 0) {
    $rtb.SelectionColor = $colDebug
    $rtb.AppendText("(aucune activite de synchronisation pour le moment)")
  } else {
    foreach ($line in $lines) {
      $col = $colInfo
      if ($line -match '\[ERREUR\]') { $col = $colErr }
      elseif ($line -match '\[DEBUG\]') { $col = $colDebug }
      if ($line -match '^(\d{2}/\d{2}/\d{4} \d{2}:\d{2}:\d{2})(.*)$') {
        $rtb.SelectionStart = $rtb.TextLength; $rtb.SelectionColor = $colTs
        $rtb.AppendText($Matches[1])
        $rtb.SelectionStart = $rtb.TextLength; $rtb.SelectionColor = $col
        $rtb.AppendText($Matches[2] + "`n")
      } else {
        $rtb.SelectionStart = $rtb.TextLength; $rtb.SelectionColor = $col
        $rtb.AppendText($line + "`n")
      }
    }
  }
  $rtb.ResumeLayout()
  $rtb.SelectionStart = $rtb.TextLength; $rtb.ScrollToCaret()
}

function Show-LogWindow {
  if ($script:logForm -and -not $script:logForm.IsDisposed) {
    $script:logForm.WindowState = 'Normal'; $script:logForm.Activate(); return
  }
  $form = New-Object System.Windows.Forms.Form
  $form.Text = 'Planification - journal de synchronisation'
  $form.Size = New-Object System.Drawing.Size(760, 540)
  $form.StartPosition = 'CenterScreen'
  $form.BackColor = [System.Drawing.Color]::FromArgb(245, 246, 248)
  try { $form.Icon = Get-TrayIcon } catch {}

  # 1) zone de texte (Fill) ajoutee en premier
  $rtb = New-Object System.Windows.Forms.RichTextBox
  $rtb.Dock = 'Fill'
  $rtb.ReadOnly = $true
  $rtb.BorderStyle = 'None'
  $rtb.BackColor = [System.Drawing.Color]::White
  $rtb.Font = New-Object System.Drawing.Font('Consolas', 9.5)
  $rtb.DetectUrls = $false
  $form.Controls.Add($rtb)

  # 2) barre d'outils claire avec le BOUTON bascule "Tout afficher" bien visible
  $bar = New-Object System.Windows.Forms.Panel
  $bar.Dock = 'Top'; $bar.Height = 40
  $bar.BackColor = [System.Drawing.Color]::FromArgb(238, 240, 243)
  $chk = New-Object System.Windows.Forms.CheckBox
  $chk.Appearance = 'Button'
  $chk.Text = 'Tout afficher (mode detaille)'
  $chk.TextAlign = 'MiddleCenter'
  $chk.AutoSize = $false
  $chk.Size = New-Object System.Drawing.Size(200, 28)
  $chk.Location = New-Object System.Drawing.Point(10, 6)
  $chk.FlatStyle = 'System'
  $chk.add_CheckedChanged({ $script:logSig = '~'; Update-LogText })
  $bar.Controls.Add($chk)
  $hint = New-Object System.Windows.Forms.Label
  $hint.Text = 'Par defaut : l''essentiel. Activez pour voir tout le detail technique.'
  $hint.ForeColor = [System.Drawing.Color]::FromArgb(90, 90, 90)
  $hint.AutoSize = $true
  $hint.Location = New-Object System.Drawing.Point(220, 12)
  $bar.Controls.Add($hint)
  $form.Controls.Add($bar)

  # 3) bandeau titre (bleu) ajoute en dernier -> tout en haut
  $hdrBar = New-Object System.Windows.Forms.Panel
  $hdrBar.Dock = 'Top'; $hdrBar.Height = 32
  $hdrBar.BackColor = [System.Drawing.Color]::FromArgb(40, 70, 120)
  $hdr = New-Object System.Windows.Forms.Label
  $hdr.Text = 'Activite de synchronisation - Planification'
  $hdr.ForeColor = [System.Drawing.Color]::White
  $hdr.Font = New-Object System.Drawing.Font('Segoe UI', 10, [System.Drawing.FontStyle]::Bold)
  $hdr.AutoSize = $true
  $hdr.Location = New-Object System.Drawing.Point(10, 7)
  $hdrBar.Controls.Add($hdr)
  $form.Controls.Add($hdrBar)

  $script:logForm = $form
  $script:logRtb = $rtb
  $script:logChk = $chk
  $script:logSig = ''
  Update-LogText

  $timer = New-Object System.Windows.Forms.Timer
  $timer.Interval = 2000
  $timer.add_Tick({ Update-LogText })
  $timer.Start()
  $form.add_FormClosed({ $timer.Stop(); $timer.Dispose() })

  $form.Show(); $form.Activate()
}

$ni = New-Object System.Windows.Forms.NotifyIcon
$ni.Icon = Get-TrayIcon
$ni.Text = 'Planification - synchronisation active'
$ni.Visible = $true

# v2026.1.8 - "toujours present si actif" : le NotifyIcon disparait quand
# explorer.exe redemarre (Windows rediffuse alors le message "TaskbarCreated").
# Sans le traiter, l'icone ne revient JAMAIS tant que le tray tourne. On ecoute
# ce message via une petite fenetre native et on re-affiche l'icone.
try {
  Add-Type -ReferencedAssemblies System.Windows.Forms -TypeDefinition @'
using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
public class PlanifTrayWatcher : NativeWindow {
  [DllImport("user32.dll", CharSet = CharSet.Auto)]
  static extern uint RegisterWindowMessage(string lpString);
  public static readonly uint TaskbarCreated = RegisterWindowMessage("TaskbarCreated");
  private NotifyIcon _icon;
  public PlanifTrayWatcher(NotifyIcon icon) {
    _icon = icon;
    this.CreateHandle(new CreateParams());
  }
  protected override void WndProc(ref Message m) {
    if (m.Msg == TaskbarCreated && _icon != null) {
      try { _icon.Visible = false; _icon.Visible = true; } catch {}
    }
    base.WndProc(ref m);
  }
}
'@ -ErrorAction Stop
  $script:trayWatcher = New-Object PlanifTrayWatcher($ni)
} catch {}

$menu = New-Object System.Windows.Forms.ContextMenuStrip
$miLog = $menu.Items.Add('Voir le journal de synchronisation')
$miLog.add_Click({ Show-LogWindow })
$miQuit = $menu.Items.Add('Quitter')
$miQuit.add_Click({ $ni.Visible = $false; $ni.Dispose(); [System.Windows.Forms.Application]::Exit() })
$ni.ContextMenuStrip = $menu
$ni.add_MouseClick({ param($s, $e) if ($e.Button -eq [System.Windows.Forms.MouseButtons]::Left) { Show-LogWindow } })

# v2026.1.7 - auto-extinction apres 2 h SANS activite de synchronisation. On se
# base sur la date de derniere ecriture du journal (le host y ecrit a chaque
# operation). Le navigateur relancera le host a la prochaine activite, qui
# relancera ce tray. -> "de base eteint, s'active a l'usage, se ferme au repos".
$IDLE_LIMIT_MIN = 120
$idleTimer = New-Object System.Windows.Forms.Timer
$idleTimer.Interval = 300000   # verifie toutes les 5 min
$idleTimer.add_Tick({
  try {
    $age = $null
    if (Test-Path -LiteralPath $logFile) {
      $age = ((Get-Date) - (Get-Item -LiteralPath $logFile).LastWriteTime).TotalMinutes
    }
    # Pas de journal, ou journal inactif depuis >= 2 h -> on s'eteint.
    if (($null -eq $age) -or ($age -ge $IDLE_LIMIT_MIN)) {
      $ni.Visible = $false; $ni.Dispose()
      [System.Windows.Forms.Application]::Exit()
    }
  } catch {}
})
$idleTimer.Start()

[System.Windows.Forms.Application]::EnableVisualStyles()
[System.Windows.Forms.Application]::Run()
$idleTimer.Stop()
$ni.Dispose()