<?php

namespace Modules\Maintenance\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\Maintenance\Http\Controllers\Concerns\AuthorizesMaintenance;
use Modules\Maintenance\Services\MaintenanceReportService;
use Modules\Maintenance\Utils\MaintenanceUtil;

class ReportController extends Controller
{
    use AuthorizesMaintenance;

    public function __construct(
        protected MaintenanceReportService $reportService,
        protected MaintenanceUtil $maintenanceUtil
    ) {}

    public function index(Request $request)
    {
        $this->authorizeMaintenanceAccess('maintenance.reports.view');

        $business = $this->maintenanceUtil->getBusiness();
        if (! $business) {
            abort(404);
        }

        $business_id = $business->id;
        $equipment_id = $request->integer('equipment_id') ?: null;
        $from = $this->maintenanceUtil->parseInputDate($request->get('from'));
        $to = $this->maintenanceUtil->parseInputDate($request->get('to'));
        $year = (int) $request->get('year', now()->year);
        $month = (int) $request->get('month', now()->month);

        $equipment_costs = $this->reportService->equipmentCostReport($business, $equipment_id);
        $downtime = $this->reportService->downtimeReport($business, $from, $to);
        $technicians = $this->reportService->technicianPerformance($business);
        $consumption = $this->reportService->sparePartsConsumption($business, $from, $to);
        $monthly = $this->reportService->monthlyStatistics($business, $year, $month);
        $failures = $this->reportService->failureAnalysis($business);

        return view('maintenance::reports.index', compact(
            'equipment_costs',
            'downtime',
            'technicians',
            'consumption',
            'monthly',
            'failures',
            'equipment_id',
            'from',
            'to',
            'year',
            'month'
        ))->with([
            'equipment_dropdown' => $this->maintenanceUtil->getEquipmentDropdown($business_id),
        ]);
    }

    public function export(Request $request)
    {
        $this->authorizeMaintenanceAccess('maintenance.reports.view');

        $business = $this->maintenanceUtil->getBusiness();
        if (! $business) {
            abort(404);
        }

        $from = $this->maintenanceUtil->parseInputDate($request->get('from'));
        $to = $this->maintenanceUtil->parseInputDate($request->get('to'));

        $rows = $this->reportService->exportActivityCsv($business, $from, $to);

        $filename = 'maintenance-report-'.now()->format('Y-m-d').'.csv';

        return response()->streamDownload(function () use ($rows) {
            $out = fopen('php://output', 'w');
            fputcsv($out, ['type', 'date', 'description', 'cost']);
            foreach ($rows as $row) {
                fputcsv($out, $row);
            }
            fclose($out);
        }, $filename, ['Content-Type' => 'text/csv']);
    }
}