# Reinstall Task Scheduler voi cac setting nang cao:
# - StartWhenAvailable: tu chay bu neu may lo gio scheduled
# - RestartOnFailure: tu thu lai neu loi (3 lan, moi lan cach 10 phut)
# - ExecutionTimeLimit: toi da 1 gio

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$batFile   = Join-Path $scriptDir 'auto_daily_sync.bat'

if (-not (Test-Path $batFile)) {
    Write-Host "[!] Khong tim thay: $batFile" -ForegroundColor Red
    exit 1
}

Write-Host "Script dir: $scriptDir" -ForegroundColor Cyan
Write-Host "Bat file  : $batFile"   -ForegroundColor Cyan
Write-Host ""

# Xoa task cu
Write-Host "Xoa task cu..." -ForegroundColor Yellow
schtasks /delete /tn "AttendanceAutoSync_Morning" /f 2>$null
schtasks /delete /tn "AttendanceAutoSync_Evening" /f 2>$null

# Tao action
$action = New-ScheduledTaskAction -Execute $batFile -WorkingDirectory $scriptDir

# Tao settings voi StartWhenAvailable + RestartOnFailure
$settings = New-ScheduledTaskSettingsSet `
    -StartWhenAvailable `
    -ExecutionTimeLimit  (New-TimeSpan -Hours 1) `
    -RestartCount        3 `
    -RestartInterval     (New-TimeSpan -Minutes 10) `
    -MultipleInstances   IgnoreNew

# Tao principal SYSTEM
$principal = New-ScheduledTaskPrincipal -UserId "SYSTEM" -RunLevel Highest -LogonType ServiceAccount

# === MORNING 09:30 ===
Write-Host "[1/2] Tao Morning task (09:30)..." -ForegroundColor Green
$triggerM = New-ScheduledTaskTrigger -Daily -At "09:30"
Register-ScheduledTask `
    -TaskName    "AttendanceAutoSync_Morning" `
    -Action      $action `
    -Trigger     $triggerM `
    -Settings    $settings `
    -Principal   $principal `
    -Description "Sync cham cong sang - hom qua + hom nay (catch-up + Vao)" `
    -Force | Out-Null

if ($?) {
    Write-Host "   -> Da tao Morning task OK" -ForegroundColor Green
} else {
    Write-Host "   -> LOI tao Morning task!" -ForegroundColor Red
}

# === EVENING 19:45 ===
Write-Host "[2/2] Tao Evening task (19:45)..." -ForegroundColor Green
$triggerE = New-ScheduledTaskTrigger -Daily -At "19:45"
Register-ScheduledTask `
    -TaskName    "AttendanceAutoSync_Evening" `
    -Action      $action `
    -Trigger     $triggerE `
    -Settings    $settings `
    -Principal   $principal `
    -Description "Sync cham cong toi - Ra sau tan ca (retry tu dong neu device offline)" `
    -Force | Out-Null

if ($?) {
    Write-Host "   -> Da tao Evening task OK" -ForegroundColor Green
} else {
    Write-Host "   -> LOI tao Evening task!" -ForegroundColor Red
}

# Verify
Write-Host ""
Write-Host "=== Ket qua ===" -ForegroundColor Cyan
Get-ScheduledTask -TaskName "AttendanceAutoSync_Morning" -ErrorAction SilentlyContinue |
    Select-Object TaskName, State, @{N='NextRun';E={(Get-ScheduledTaskInfo $_.TaskName).NextRunTime}} |
    Format-Table -AutoSize
Get-ScheduledTask -TaskName "AttendanceAutoSync_Evening" -ErrorAction SilentlyContinue |
    Select-Object TaskName, State, @{N='NextRun';E={(Get-ScheduledTaskInfo $_.TaskName).NextRunTime}} |
    Format-Table -AutoSize

Write-Host ""
Write-Host "Hoan tat! Task Scheduler da duoc sua lai." -ForegroundColor Green
Write-Host "Tinh nang moi:" -ForegroundColor White
Write-Host "  + StartWhenAvailable: tu chay bu neu may lo gio (reboot, ngu)" -ForegroundColor White
Write-Host "  + RestartOnFailure  : tu thu lai 3 lan, moi lan cach 10 phut" -ForegroundColor White
Write-Host "  + Sync hom qua + hom nay de catch-up neu toi truoc bi loi" -ForegroundColor White
Write-Host "  + Retry 20 phut neu device Hikvision dang offline" -ForegroundColor White