# SandwichAutoOrder.ps1 — best-effort browser keyboard automation for personal sandwich flow.

function Invoke-AppActivateBestEffort {
    param(
        [Parameter(Mandatory)]$Shell,
        [Parameter(Mandatory)][string[]]$TitleCandidates,
        [int]$TimeoutMs = 10000,
        [int]$RetryDelayMs = 300
    )

    $deadline = (Get-Date).AddMilliseconds($TimeoutMs)
    $candidates = @($TitleCandidates | Where-Object { -not [string]::IsNullOrWhiteSpace($_) })

    do {
        foreach ($candidate in $candidates) {
            if ($Shell.AppActivate($candidate)) {
                return $true
            }
        }

        Start-Sleep -Milliseconds $RetryDelayMs
    } while ((Get-Date) -lt $deadline)

    return $false
}

function Invoke-SandwichAutoOrderFlow {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory)][hashtable]$AutoOrderConfig,
        [Parameter(Mandatory)][string]$FallbackUrl,
        [string]$FeatureName = 'SandwichReminder-AutoOrder'
    )

    $baseUrl = [string]$AutoOrderConfig['baseUrl']
    if ([string]::IsNullOrWhiteSpace($baseUrl)) { $baseUrl = 'https://ylos-kitchen.unipage.eu' }

    $itemId = [string]$AutoOrderConfig['itemId']
    if ([string]::IsNullOrWhiteSpace($itemId)) { $itemId = 'dmwmo3' }

    $windowTitleHint = [string]$AutoOrderConfig['windowTitleHint']
    if ([string]::IsNullOrWhiteSpace($windowTitleHint)) { $windowTitleHint = "YLO'S Kitchen" }

    $initialDelayMs = [int]$AutoOrderConfig['initialDelayMs']
    if ($initialDelayMs -le 0) { $initialDelayMs = 2500 }

    $stepDelayMs = [int]$AutoOrderConfig['stepDelayMs']
    if ($stepDelayMs -le 0) { $stepDelayMs = 120 }

    $toggleKeySetting = [string]$AutoOrderConfig['optionToggleKey']
    if ([string]::IsNullOrWhiteSpace($toggleKeySetting)) { $toggleKeySetting = 'SPACE' }
    $toggleKey = if ($toggleKeySetting.ToUpperInvariant() -eq 'ENTER') { '{ENTER}' } else { ' ' }

    $calibrationOnly = [bool]$AutoOrderConfig['calibrationOnly']
    $calibrationTabs = [int]$AutoOrderConfig['calibrationTabs']
    if ($calibrationTabs -lt 0) { $calibrationTabs = 0 }

    $tabsToOption1 = [int]$AutoOrderConfig['tabsToOption1']
    if ($tabsToOption1 -lt 0) { $tabsToOption1 = 3 }

    $tabsBetweenOptions = [int]$AutoOrderConfig['tabsBetweenOptions']
    if ($tabsBetweenOptions -lt 0) { $tabsBetweenOptions = 2 }

    $tabsToAddButton = [int]$AutoOrderConfig['tabsToAddButton']
    if ($tabsToAddButton -lt 0) { $tabsToAddButton = 4 }

    $openCartPopup = [bool]$AutoOrderConfig['openCartPopupAfterAdd']
    $refreshBeforeCart = [bool]$AutoOrderConfig['refreshBeforeCart']
    $postRefreshDelayMs = [int]$AutoOrderConfig['postRefreshDelayMs']
    if ($postRefreshDelayMs -le 0) { $postRefreshDelayMs = 2500 }
    $tabsToCartButton = [int]$AutoOrderConfig['tabsToCartButton']
    if ($tabsToCartButton -le 0) { $tabsToCartButton = 5 }
    $tabsToConfirmButton = [int]$AutoOrderConfig['tabsToConfirmButton']
    if ($tabsToConfirmButton -le 0) { $tabsToConfirmButton = 3 }

    $activationTimeoutMs = [int]$AutoOrderConfig['activationTimeoutMs']
    if ($activationTimeoutMs -le 0) { $activationTimeoutMs = 10000 }

    $itemUrl = ($baseUrl.TrimEnd('/') + '/item/' + $itemId)

    try {
        Add-Type -AssemblyName System.Windows.Forms -ErrorAction SilentlyContinue | Out-Null

        Start-Process $itemUrl
        Write-Log -Level Info -Message "Opened item modal URL for auto-order: $itemUrl" -Feature $FeatureName
        Start-Sleep -Milliseconds $initialDelayMs

        $shell = New-Object -ComObject WScript.Shell
        $hostHint = $null
        try { $hostHint = ([uri]$baseUrl).Host } catch {}

        $activated = Invoke-AppActivateBestEffort -Shell $shell -TitleCandidates @(
            'Bestel online bij YLO''S Kitchen Pittem',
            'Bestel online bij YLO',
            'Bestel online bij',
            $windowTitleHint,
            ($windowTitleHint -replace "'", ''),
            $hostHint,
            'ylos-kitchen',
            'unipage'
        ) -TimeoutMs $activationTimeoutMs -RetryDelayMs 300

        if (-not $activated) {
            Write-Log -Level Warn -Message "Could not foreground browser window (title hint '$windowTitleHint'). Skipping key automation to avoid acting on the wrong window." -Feature $FeatureName
            return $false
        }

        if ($calibrationOnly) {
            for ($i = 0; $i -lt $calibrationTabs; $i++) {
                $shell.SendKeys('{TAB}')
                Start-Sleep -Milliseconds $stepDelayMs
            }

            Write-Log -Level Info -Message ("Calibration mode completed: sent {0} TAB keys and stopped." -f $calibrationTabs) -Feature $FeatureName
            return $true
        }

        # Modal flow keyboard navigation (best-effort; tab indexes are configurable).
        for ($i = 0; $i -lt $tabsToOption1; $i++) {
            $shell.SendKeys('{TAB}')
            Start-Sleep -Milliseconds $stepDelayMs
        }
        $shell.SendKeys($toggleKey)
        Start-Sleep -Milliseconds $stepDelayMs

        for ($i = 0; $i -lt $tabsBetweenOptions; $i++) {
            $shell.SendKeys('{TAB}')
            Start-Sleep -Milliseconds $stepDelayMs
        }
        $shell.SendKeys($toggleKey)
        Start-Sleep -Milliseconds $stepDelayMs

        for ($i = 0; $i -lt $tabsToAddButton; $i++) {
            $shell.SendKeys('{TAB}')
            Start-Sleep -Milliseconds $stepDelayMs
        }
        $shell.SendKeys('{ENTER}')
        Start-Sleep -Milliseconds 350

        if ($openCartPopup) {
            if ($refreshBeforeCart) {
                $shell.SendKeys('{F5}')
                Write-Log -Level Info -Message 'Refreshing page to reset focus before tabbing to mini-cart.' -Feature $FeatureName
                Start-Sleep -Milliseconds $postRefreshDelayMs

                $activated = Invoke-AppActivateBestEffort -Shell $shell -TitleCandidates @(
                    'Bestel online bij YLO''S Kitchen Pittem',
                    'Bestel online bij YLO',
                    'Bestel online bij',
                    $windowTitleHint,
                    ($windowTitleHint -replace "'", ''),
                    $hostHint,
                    'ylos-kitchen',
                    'unipage'
                ) -TimeoutMs $activationTimeoutMs -RetryDelayMs 300

                if (-not $activated) {
                    Write-Log -Level Warn -Message 'Could not re-foreground browser after refresh. Skipping cart popup.' -Feature $FeatureName
                    return $false
                }
            }

            for ($i = 0; $i -lt $tabsToCartButton; $i++) {
                $shell.SendKeys('{TAB}')
                Start-Sleep -Milliseconds $stepDelayMs
            }
            $shell.SendKeys('{ENTER}')
            Start-Sleep -Milliseconds $stepDelayMs

            for ($i = 0; $i -lt $tabsToConfirmButton; $i++) {
                $shell.SendKeys('{TAB}')
                Start-Sleep -Milliseconds $stepDelayMs
            }
            $shell.SendKeys('{ENTER}')
        }

        Write-Log -Level Info -Message 'Auto-order flow executed up to add-to-cart and cart popup open (best-effort).' -Feature $FeatureName
        return $true
    }
    catch {
        Write-Log -Level Error -Message "Auto-order flow failed: $_" -Feature $FeatureName
        return $false
    }
}