<?php

namespace App\Filament\Tenant\Pages;

use App\Models\Tenant\WorkOrder;
use Filament\Pages\Page;

/**
 * Mitchell1-style 3-column dashboard view for a single WorkOrder.
 * MVP Phase 1: layout + tabs (Works/Parts/Diagnostic/Photos/Docs/Notes).
 * Editing still goes through /app/work-orders/{id}/edit for now.
 */
class WorkOrderDashboard extends Page
{
    protected static string|\BackedEnum|null $navigationIcon = null;

    protected static bool $shouldRegisterNavigation = false;

    protected string $view = 'filament.tenant.pages.work-order-dashboard';

    public WorkOrder $record;

    public string $activeTab = 'works';

    public static function getSlug(?\Filament\Panel $panel = null): string
    {
        return 'work-orders/{record}/dashboard';
    }

    public static function getRoutePath(?\Filament\Panel $panel = null): string
    {
        return 'work-orders/{record}/dashboard';
    }

    public function mount(int|string $record): void
    {
        $this->record = WorkOrder::with([
            'client', 'vehicle', 'master',
            'works.labor', 'works.master',
            'parts.part', 'parts.batch',
            'payments.user',
            'subcontractJobs.subcontractor',
        ])->findOrFail($record);
    }

    public function setTab(string $tab): void
    {
        $this->activeTab = $tab;
    }

    public function getTitle(): string|\Illuminate\Contracts\Support\Htmlable
    {
        return __('Fișă') . ' ' . ($this->record->number ?? '');
    }

    public function getHeading(): string|\Illuminate\Contracts\Support\Htmlable
    {
        return '';
    }

    /** Latest 5 WOs for the vehicle (repair history sidebar). */
    public function getRepairHistory(): \Illuminate\Support\Collection
    {
        if (! $this->record->vehicle_id) return collect();
        return WorkOrder::where('vehicle_id', $this->record->vehicle_id)
            ->where('id', '!=', $this->record->id)
            ->orderByDesc('opened_at')
            ->limit(5)
            ->get(['id', 'number', 'opened_at', 'total', 'status']);
    }

    /** Aggregated finance data — used by right panel in future phases. */
    public function getFinance(): array
    {
        $r = $this->record;
        $worksSum = (float) $r->works->sum('total');
        $partsSum = (float) $r->parts->sum('total');
        $subtotal = $worksSum + $partsSum;
        $discount = (float) $r->discount;
        $total = max(0, $subtotal - $discount);
        $paid = $r->paidAmount();
        return [
            'works_sum' => $worksSum,
            'parts_sum' => $partsSum,
            'subtotal' => $subtotal,
            'discount' => $discount,
            'total' => $total,
            'paid' => $paid,
            'balance' => max(0, $total - $paid),
        ];
    }
}