Added chat bot pages
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This commit is contained in:
dhanabalan
444
app/Livewire/ChatBot.php
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444
app/Livewire/ChatBot.php
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<?php
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namespace App\Livewire;
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use App\Services\ChatbotService;
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use App\Services\GeminiChatbotService;
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use Livewire\Component;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Log;
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class ChatBot extends Component
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{
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// ── Panel state ───────────────────────────────────────────────────────────
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public bool $isOpen = false;
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/**
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* 'select' → mode-picker screen shown first
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* 'basic' → structured query UI (production or invoice report)
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* 'advanced' → free-text natural-language UI (Gemini-powered)
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*/
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public string $mode = 'select';
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// ── Basic mode — shared ───────────────────────────────────────────────────
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/**
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* Which report the user picked inside basic mode.
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* '' → report-type picker shown
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* 'production' → production form
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* 'invoice' → invoice type-lookup form
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* 'invoice_status' → invoice scan-status form
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*/
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public string $reportType = '';
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public array $plants = [];
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// ── Basic mode — Production report ───────────────────────────────────────
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public string $result = '';
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public bool $hasResult = false;
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public ?int $selectedPlantId = null;
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public ?int $selectedLineId = null;
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public string $dateFrom = '';
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public string $dateTo = '';
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public array $lines = [];
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// ── Basic mode — Invoice report (type lookup) ─────────────────────────────
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public ?int $invoicePlantId = null;
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public string $invoiceItemCode = '';
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public string $invoiceResult = '';
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public bool $hasInvoiceResult = false;
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// ── Basic mode — Invoice status (scan status) ─────────────────────────────
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public string $invoiceNumber = '';
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public string $invoiceStatusResult = '';
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public bool $hasInvoiceStatusResult = false;
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// ── Advanced mode ─────────────────────────────────────────────────────────
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public string $advancedQuestion = '';
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public string $advancedResult = '';
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public bool $hasAdvancedResult = false;
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public bool $isAdvancedLoading = false;
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/**
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* Conversation history shown in advanced mode.
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* Each entry: ['role' => 'user'|'assistant', 'content' => '…']
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*
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* The full history is passed to GeminiChatbotService on every turn so
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* Gemini can resolve follow-up messages (e.g. answering a clarification
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* question) in context.
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*/
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public array $chatHistory = [];
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// ─────────────────────────────────────────────────────────────────────────
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public function mount(): void
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{
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$this->plants = DB::table('plants')
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->whereNull('deleted_at')
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->orderBy('name')
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->get(['id', 'name'])
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->toArray();
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$this->dateFrom = now()->startOfMonth()->format('Y-m-d');
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$this->dateTo = now()->format('Y-m-d');
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}
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// ── Mode switching ────────────────────────────────────────────────────────
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public function setMode(string $mode): void
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{
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$this->mode = $mode;
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}
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public function setReportType(string $type): void
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{
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$this->reportType = $type;
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// Clear previous results when switching report type
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$this->result = '';
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$this->hasResult = false;
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$this->invoiceResult = '';
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$this->hasInvoiceResult = false;
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$this->invoiceStatusResult = '';
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$this->hasInvoiceStatusResult = false;
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}
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// ── Basic mode — Production helpers ──────────────────────────────────────
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public function updatedSelectedPlantId(): void
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{
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$this->selectedLineId = null;
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$this->lines = [];
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$this->result = '';
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$this->hasResult = false;
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if ($this->selectedPlantId) {
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$this->lines = DB::table('lines')
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->whereNull('deleted_at')
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->where('plant_id', $this->selectedPlantId)
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->orderBy('name')
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->get(['id', 'name'])
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->toArray();
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}
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}
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public function updatedSelectedLineId(): void
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{
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$this->result = '';
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$this->hasResult = false;
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}
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public function fetchProduction(): void
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{
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if (! $this->selectedPlantId) {
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$this->result = 'Please select a plant.';
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$this->hasResult = true;
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return;
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}
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$query = DB::table('production_quantities')
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->whereNull('deleted_at')
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->where('plant_id', $this->selectedPlantId)
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->whereDate('created_at', '>=', $this->dateFrom)
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->whereDate('created_at', '<=', $this->dateTo);
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if ($this->selectedLineId) {
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$query->where('line_id', $this->selectedLineId);
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}
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$count = $query->count();
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$plantName = collect($this->plants)
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->firstWhere('id', $this->selectedPlantId)?->name ?? 'Unknown Plant';
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$lineName = $this->selectedLineId
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? (collect($this->lines)->firstWhere('id', $this->selectedLineId)?->name ?? 'Unknown Line')
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: 'All Lines';
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$from = \Carbon\Carbon::parse($this->dateFrom)->format('d M Y');
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$to = \Carbon\Carbon::parse($this->dateTo)->format('d M Y');
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$this->result = "Production count for {$plantName} / {$lineName} from {$from} to {$to}: {$count} records.";
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$this->hasResult = true;
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}
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// ── Basic mode — Invoice report (type lookup) ─────────────────────────────
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public function updatedInvoicePlantId(): void
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{
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$this->invoiceResult = '';
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$this->hasInvoiceResult = false;
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}
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public function updatedInvoiceItemCode(): void
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{
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$this->invoiceResult = '';
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$this->hasInvoiceResult = false;
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}
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public function fetchInvoiceReport(): void
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{
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if (! $this->invoicePlantId) {
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$this->invoiceResult = 'Please select a plant.';
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$this->hasInvoiceResult = true;
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return;
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}
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$itemCode = trim($this->invoiceItemCode);
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if ($itemCode === '') {
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$this->invoiceResult = 'Please enter an item code.';
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$this->hasInvoiceResult = true;
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return;
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}
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$plantName = collect($this->plants)
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->firstWhere('id', $this->invoicePlantId)?->name ?? 'Unknown Plant';
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try {
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$rows = DB::select("
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WITH plant_item AS (
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SELECT ? AS user_plant,
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? AS user_item_code
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),
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t1 AS (
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SELECT
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plants.id AS plant_id,
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plants.name AS plant_name,
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ARRAY_AGG(items.code) AS item_codes
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FROM plants
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LEFT JOIN items ON plants.id = items.plant_id
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GROUP BY plants.id, plants.name
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),
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t2 AS (
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SELECT
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t1.plant_id,
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t1.plant_name,
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CASE
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WHEN plant_item.user_item_code = ANY(t1.item_codes) THEN 1
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ELSE 0
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END AS exists_flag
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FROM t1
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CROSS JOIN plant_item
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WHERE t1.plant_name = plant_item.user_plant
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),
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t3 AS (
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SELECT t2.plant_id, t2.plant_name, t2.exists_flag,
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plant_item.user_item_code
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FROM t2
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LEFT JOIN plant_item ON plant_item.user_plant = t2.plant_name
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),
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t4 AS (
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SELECT items.id AS item_id,
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t3.plant_id, t3.plant_name, t3.exists_flag, t3.user_item_code
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FROM t3
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LEFT JOIN items
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ON t3.plant_id = items.plant_id
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AND t3.user_item_code = items.code
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)
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SELECT
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t4.item_id,
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t4.plant_id,
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t4.plant_name,
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t4.exists_flag,
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t4.user_item_code,
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COALESCE(sticker_masters.material_type, 0) AS material_type,
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CASE
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WHEN sticker_masters.item_id IS NULL
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THEN 'no match found'
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WHEN COALESCE(sticker_masters.material_type, 0) = 0
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THEN 'serial invoice'
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ELSE 'material invoice'
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END AS invoice_description
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FROM t4
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LEFT JOIN sticker_masters
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ON sticker_masters.plant_id = t4.plant_id
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AND sticker_masters.item_id = t4.item_id
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", [$plantName, $itemCode]);
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} catch (\Exception $e) {
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Log::error('ChatBot: invoice report query failed', [
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'plant' => $plantName,
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'item_code' => $itemCode,
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'error' => $e->getMessage(),
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]);
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$this->invoiceResult = "Sorry, I couldn't fetch data. Please try again or contact support.";
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$this->hasInvoiceResult = true;
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return;
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}
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if (empty($rows)) {
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$this->invoiceResult = "No data found for plant \"{$plantName}\". Please verify the plant selection.";
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$this->hasInvoiceResult = true;
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return;
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}
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$row = $rows[0];
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if ((int) $row->exists_flag === 0) {
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$this->invoiceResult = 'Provided item code does not exist in the item table.';
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} else {
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switch ($row->invoice_description) {
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case 'no match found':
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$this->invoiceResult = "Item not found in sticker master for the plant {$row->plant_name}.";
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break;
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case 'serial invoice':
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$this->invoiceResult = 'It is a serial invoice item.';
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break;
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case 'material invoice':
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$this->invoiceResult = 'It is a material invoice item.';
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break;
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default:
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$this->invoiceResult = 'Unexpected result. Please contact support.';
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}
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}
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$this->hasInvoiceResult = true;
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}
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// ── Basic mode — Invoice status (scan status) ─────────────────────────────
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public function updatedInvoiceNumber(): void
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{
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$this->invoiceStatusResult = '';
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$this->hasInvoiceStatusResult = false;
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}
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/**
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* Looks up how many serials within an invoice have been scanned / not scanned.
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* Delegates to ChatbotService so the DB query and formatting logic live in one place.
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*/
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public function fetchInvoiceStatus(): void
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{
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$invoiceNumber = trim(preg_replace('/\s+/', '', $this->invoiceNumber));
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if (empty($invoiceNumber)) {
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$this->invoiceStatusResult = 'Please enter a valid invoice number.';
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$this->hasInvoiceStatusResult = true;
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return;
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}
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try {
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/** @var ChatbotService $service */
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$service = app(ChatbotService::class);
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$this->invoiceStatusResult = $service->ask("invoice = {$invoiceNumber}");
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} catch (\Throwable $e) {
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Log::error('ChatBot: invoice status fetch failed', [
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'invoice' => $invoiceNumber,
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'error' => $e->getMessage(),
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]);
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$this->invoiceStatusResult = "Sorry, I couldn't fetch data for invoice {$invoiceNumber}. "
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. 'Please try again or contact support.';
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}
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$this->hasInvoiceStatusResult = true;
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}
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// ── Advanced mode (Gemini-powered) ────────────────────────────────────────
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/**
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* Handles a free-text user message in advanced mode.
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*
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* Steps:
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* 1. Appends the user message to chatHistory immediately (UI feedback).
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* 2. Calls GeminiChatbotService with the full prior history for context.
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* 3. Gemini classifies the intent, extracts params, and either:
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* a) runs the appropriate DB query and returns the result, or
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* b) returns a clarification question if intent is ambiguous.
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* 4. Appends the assistant reply to chatHistory.
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*/
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public function askAdvanced(): void
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{
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$question = trim($this->advancedQuestion);
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if (empty($question)) {
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return;
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}
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// Show the user's message in the chat bubble immediately
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$this->chatHistory[] = [
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'role' => 'user',
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'content' => $question,
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];
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$this->advancedQuestion = '';
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$this->isAdvancedLoading = true;
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try {
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/** @var GeminiChatbotService $gemini */
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$gemini = app(GeminiChatbotService::class);
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// Pass history *without* the turn we just appended — the new user
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// message is passed separately so Gemini sees it as the latest turn.
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$priorHistory = array_slice($this->chatHistory, 0, -1);
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$answer = $gemini->processMessage($priorHistory, $question);
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} catch (\Throwable $e) {
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Log::error('ChatBot: advanced ask failed', [
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'error' => $e->getMessage(),
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'trace' => $e->getTraceAsString(),
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]);
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$answer = 'Sorry, something went wrong. Please try again.';
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}
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$this->chatHistory[] = [
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'role' => 'assistant',
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'content' => $answer,
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];
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$this->isAdvancedLoading = false;
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}
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public function clearAdvancedChat(): void
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{
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$this->chatHistory = [];
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$this->advancedQuestion = '';
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$this->isAdvancedLoading = false;
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}
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// ── Panel controls ────────────────────────────────────────────────────────
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public function toggleChat(): void
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{
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$this->isOpen = ! $this->isOpen;
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}
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public function resetForm(): void
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{
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// Basic mode — shared
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$this->reportType = '';
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// Basic mode — production
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$this->selectedPlantId = null;
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$this->selectedLineId = null;
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$this->lines = [];
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$this->result = '';
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$this->hasResult = false;
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$this->dateFrom = now()->startOfMonth()->format('Y-m-d');
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$this->dateTo = now()->format('Y-m-d');
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// Basic mode — invoice type lookup
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$this->invoicePlantId = null;
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$this->invoiceItemCode = '';
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$this->invoiceResult = '';
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$this->hasInvoiceResult = false;
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// Basic mode — invoice scan status
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$this->invoiceNumber = '';
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$this->invoiceStatusResult = '';
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$this->hasInvoiceStatusResult = false;
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// Advanced mode
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$this->clearAdvancedChat();
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// Go back to mode selector
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$this->mode = 'select';
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}
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public function render()
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{
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return view('livewire.chat-bot');
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}
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}
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Reference in New Issue
Block a user