<?php

namespace App\Filament\Tenant\Pages;

use App\Models\Tenant\WorkOrder;
use App\Models\Tenant\WorkOrderWork;
use Filament\Notifications\Notification;
use Filament\Pages\Page;

/**
 * Mobile-first dashboard for a single mechanic — shows ONLY work orders
 * assigned to the currently logged-in user (master_id = auth()->id()).
 * Kanban-style grouped by status.
 */
class MechanicBoard extends Page
{
    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-wrench';

    protected static ?string $navigationLabel = 'Atelierul meu';

    protected static string|\UnitEnum|null $navigationGroup = 'Service';

    protected static ?int $navigationSort = 25;

    protected static ?string $title = 'Atelierul meu';

    protected string $view = 'filament.tenant.pages.mechanic-board';

    public function getColumns(): array
    {
        $userId = auth()->id();
        if (! $userId) return [];

        $all = WorkOrder::with(['client', 'vehicle'])
            ->where('master_id', $userId)
            ->whereIn('status', ['in_work', 'awaiting_parts', 'ready', 'done', 'approved', 'diagnosis'])
            ->orderBy('opened_at', 'desc')
            ->get();

        return [
            [
                'key' => 'in_work',
                'label' => 'În lucru',
                'color' => '#f59e0b',
                'items' => $all->where('status', 'in_work')->values(),
            ],
            [
                'key' => 'awaiting_parts',
                'label' => 'Așteaptă piese',
                'color' => '#8b5cf6',
                'items' => $all->whereIn('status', ['awaiting_parts'])->values(),
            ],
            [
                'key' => 'ready',
                'label' => 'Gata',
                'color' => '#10b981',
                'items' => $all->where('status', 'ready')->values(),
            ],
            [
                'key' => 'recent',
                'label' => 'Recente / restul',
                'color' => '#64748b',
                'items' => $all->whereIn('status', ['done', 'approved', 'diagnosis'])
                    ->take(20)
                    ->values(),
            ],
        ];
    }

    public ?int $blockingWorkId = null;
    public string $blockReason = 'missing_part';
    public string $blockNote = '';

    public function startWork(int $id): void
    {
        $w = WorkOrderWork::find($id);
        if ($w && $w->workOrder?->master_id === auth()->id()) $w->start();
    }

    public function pauseWork(int $id): void
    {
        $w = WorkOrderWork::find($id);
        if ($w && $w->workOrder?->master_id === auth()->id()) $w->pause();
    }

    public function resumeWork(int $id): void
    {
        $w = WorkOrderWork::find($id);
        if ($w && $w->workOrder?->master_id === auth()->id()) $w->resume();
    }

    public function doneWork(int $id): void
    {
        $w = WorkOrderWork::find($id);
        if ($w && $w->workOrder?->master_id === auth()->id()) $w->markDone();
    }

    public function openBlockModal(int $id): void
    {
        $this->blockingWorkId = $id;
        $this->blockReason = 'missing_part';
        $this->blockNote = '';
    }

    public function confirmBlock(): void
    {
        if (! $this->blockingWorkId) return;
        $work = WorkOrderWork::find($this->blockingWorkId);
        if (! $work) return;
        // Only own work
        if ($work->workOrder?->master_id !== auth()->id()) {
            $this->blockingWorkId = null;
            return;
        }
        $work->block($this->blockReason, trim($this->blockNote) ?: null);
        Notification::make()->title('Lucrare blocată')->body($work->name . ' · ' . WorkOrderWork::BLOCK_REASONS[$this->blockReason])->warning()->send();
        $this->blockingWorkId = null;
    }

    public function getWorksFor(int $woId): array
    {
        return WorkOrderWork::where('work_order_id', $woId)->orderBy('id')->get()->all();
    }

    public function getCounts(): array
    {
        $userId = auth()->id();
        return [
            'active' => $userId
                ? WorkOrder::where('master_id', $userId)
                    ->whereIn('status', ['in_work', 'awaiting_parts', 'ready'])
                    ->count()
                : 0,
            'closed_today' => $userId
                ? WorkOrder::where('master_id', $userId)
                    ->where('status', 'done')
                    ->whereDate('closed_at', today())
                    ->count()
                : 0,
        ];
    }
}