pds/app/Filament/Widgets/ItemOverview.php

<?php

namespace App\Filament\Widgets;

use Filament\Notifications\Notification;
use Filament\Support\Assets\Js;
use Filament\Support\RawJs;
use Filament\Widgets\ChartWidget;
use Illuminate\Contracts\View\View;

class ItemOverview extends ChartWidget
{
    protected static ?string $heading = 'Hourly Production';

    protected int|string|array $columnSpan = '12';

    protected static ?string $maxHeight = '350px';

    protected $listeners = ['filtersUpdated' => '$refresh'];


    public function getData(): array
    {
        $activeFilter = $this->filter;

        $selectedPlant = session('selected_plant') ?? session('select_plant');
        $selectedLine = session('selected_line') ?? session('select_line');

        if (!$selectedPlant || !$selectedLine)
        {
            return [
                'datasets' => [],
                'labels' => [],
            ];
        }

        if ($activeFilter === 'yesterday') {
            $startDate = now()->subDay()->setTime(8, 0, 0); // Yesterday 8:00 AM
            $endDate = now()->setTime(8, 0, 0); // Today 8:00 AM
            $groupBy = 'EXTRACT(HOUR FROM production_quantities.created_at)';
        }

        else if ($activeFilter === 'this_week') {
            // Monday 8:00 AM of the current week
            $startDate = now()->startOfWeek()->setTime(8, 0, 0);

            $endDate = now()->endOfWeek()->addDay()->setTime(8, 0, 0);

            $groupBy = 'EXTRACT(DOW FROM production_quantities.created_at)'; // Group by day of week
        }
        else if ($activeFilter === 'this_month') {
            $startDate = now()->startOfMonth();
            $endDate = now()->endOfMonth();
            $groupBy = "FLOOR((EXTRACT(DAY FROM production_quantities.created_at) - 1) / 7) + 1";
        }
        else
        {
            $startDate = now()->setTime(8, 0, 0); // today at 8:00 AM
            $endDate = now()->copy()->addDay()->setTime(8, 0, 0); // tomorrow at 8:00 AM
            $groupBy = 'EXTRACT(HOUR FROM production_quantities.created_at)';

        }

        $query = \DB::table('production_quantities')
            ->join('plants', 'production_quantities.plant_id', '=', 'plants.id') //inner join
            ->join('lines', 'production_quantities.line_id', '=', 'lines.id')
            ->selectRaw("$groupBy AS time_unit, count(*) AS total_quantity")
            //->whereBetween('production_quantities.created_at', [$startDate, $endDate])
            ->where('production_quantities.created_at', '>=', $startDate)  // $startDate should be >=
            ->where('production_quantities.created_at', '<', $endDate)     // $endDate should be <
            ->when($selectedPlant, function ($q) use ($selectedPlant) {
                return $q->where('plants.id', $selectedPlant);
            })
            ->when($selectedLine, function ($q) use ($selectedLine) {
                return $q->where('lines.id', $selectedLine);
            })

            ->groupByRaw($groupBy)
            ->orderByRaw($groupBy)
            ->pluck('total_quantity', 'time_unit')
            ->toArray();


            if ($activeFilter === 'this_month') {
                $weeksCount = ceil($endDate->day / 7); // Calculate total weeks dynamically
                $allWeeks = array_fill(1, $weeksCount, 0); // Initialize all weeks with 0
                $data = array_replace($allWeeks, $query);  // Fill missing weeks with 0

                // Generate dynamic week labels
                $labels = [];
                for ($i = 1; $i <= $weeksCount; $i++) {
                    $weekStart = $startDate->copy()->addDays(($i - 1) * 7)->format('d M');
                    $weekEnd = $startDate->copy()->addDays($i * 7 - 1)->min($endDate)->format('d M');
                    $labels[] = "Week $i ($weekStart - $weekEnd)";
                }

                $orderedData = array_values($data);
            }
            else if ($activeFilter === 'this_week') {
                // Correct week labels: ['Mon', 'Tue', ..., 'Sun']
                $labels = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];

                // Initialize default data for all 7 days
                $data = array_fill(0, 7, 0);

                // Fill in data from query results
                foreach ($query as $dow => $count) {
                    $data[$dow] = $count;
                }

                // Ensure days are ordered from Monday to Sunday
                $orderedData = [
                    $data[1] ?? 0, // Monday
                    $data[2] ?? 0, // Tuesday
                    $data[3] ?? 0, // Wednesday
                    $data[4] ?? 0, // Thursday
                    $data[5] ?? 0, // Friday
                    $data[6] ?? 0, // Saturday
                    $data[0] ?? 0, // Sunday (move to last)
                ];
            }
            else if($activeFilter === 'yesterday')
            {

            // Hourly data (same as before)
            $allHours = array_fill(0, 24, 0);
            $data = array_replace($allHours, $query);

            // Shift hours for proper display (8 AM to 7 AM)
            $shiftedKeys = array_merge(range(8, 23), range(0, 7));
            $orderedData = array_map(fn($hour) => $data[$hour], $shiftedKeys);

            // Labels: ["8 AM", "9 AM", ..., "7 AM"]
            $labels = array_map(fn ($hour) => date("g A", strtotime("$hour:00")), $shiftedKeys);
        }
        else
        {

            // Hourly data (same as before)
            $allHours = array_fill(0, 24, 0);
            $data = array_replace($allHours, $query);

            // Shift hours for proper display (8 AM to 7 AM)
            $shiftedKeys = array_merge(range(8, 23), range(0, 7));
            $orderedData = array_map(fn($hour) => $data[$hour], $shiftedKeys);

            // Labels: ["8 AM", "9 AM", ..., "7 AM"]
            $labels = array_map(fn ($hour) => date("g A", strtotime("$hour:00")), $shiftedKeys);
        }


        return [
            'datasets' => [
                [
                    'label' => match ($activeFilter) {
                        'this_week' => "Daily Production This Week",
                        'this_month' => "Weekly Production This Month", // Updated Label
                        'yesterday' => "Yesterday's Hourly Production",
                        default => "Today's Hourly Production",
                    },
                    'data' => $orderedData,
                    'interaction' => [
                        'mode' => 'nearest',
                        'axis' => 'x',
                        'intersect' => false,
                    ],
                    'borderColor' => 'rgba(75, 192, 192, 1)',
                    'backgroundColor' => 'rgba(75, 192, 192, 0.2)',
                    'fill' => false,
                    'tension' => 0.3,
                ],
            ],
            'labels' => $labels,
        ];
    }

    protected function getType(): string
    {
        return 'line';
    }

    protected function getOptions(): array
    {
        return [

            'scales' => [
                'y' => [
                    'beginAtZero' => true,
                    'ticks' => [
                        'stepSize' => 0.5,
                    ],
                ],
            ],
        ];
    }


    // protected function getOptions(): array
    // {
    //     return [
    //         'plugins' => [
    //             'datalabels' => [
    //                 'color' => '#3490dc',
    //                 'font' => [
    //                     'weight' => 'bold',
    //                     'size' => 14,
    //                 ],
    //                 'backgroundColor' => 'rgba(255,255,255,0.8)',
    //                 'borderRadius' => 4,
    //                 'formatter' => \Illuminate\Support\Js::from(
    //                     new Js('function(value, context) {
    //                         if (Number(value) === 0) {
    //                             return null;
    //                         }
    //                         return "Count: " + value;
    //                     }')
    //                 ),
    //             ]
    //         ]
    //     ];
    // }


    protected function getFilters(): ?array
    {
        return [
            'today' => 'Today',
            'yesterday' => 'Yesterday',
            'this_week'=> 'This Week',
            'this_month'=> 'This Month',
        ];
    }

    public static function canView(): bool
    {
        return request()->routeIs([
            'filament.pages.hourly-production',
            'filament.admin.resources.production-quantities.create',
        ]);
    }
}