<?php

namespace App\Services\Reports;

use App\Models\Department;
use App\Models\ReportTemplate;
use App\Services\DateRange;
use App\Services\Reports\Contracts\ReportDefinition;

/**
 * Адаптер, превращающий пользовательский шаблон (ReportTemplate), собранный
 * в конструкторе админ-панели, в обычный ReportDefinition — для движка
 * не важно, встроенный это отчёт или шаблон.
 */
class TemplateReportDefinition implements ReportDefinition
{
    public function __construct(
        private readonly ReportTemplate $template,
        private readonly ReportSourceRegistry $sources,
    ) {}

    public function code(): string
    {
        return 'template:'.$this->template->id;
    }

    public function label(): string
    {
        return $this->template->name;
    }

    public function requiredPermissions(): array
    {
        return $this->template->required_permissions ?? [];
    }

    public function build(Department $department, DateRange $dateRange): ReportPayload
    {
        $sections = [];

        foreach ($this->template->sections ?? [] as $sectionConfig) {
            $source = $this->sources->get($sectionConfig['source']);

            $sections[] = $source->toSection(
                $department,
                $dateRange,
                $sectionConfig['columns'] ?? null,
                $sectionConfig['filters'] ?? [],
                $sectionConfig['title'] ?? null,
            );
        }

        return new ReportPayload(
            title: $this->template->name,
            meta: [
                'Отделение' => $department->name_full ?? $department->name_short,
                'Период' => $dateRange->start()->format('d.m.Y H:i').' — '.$dateRange->end()->format('d.m.Y H:i'),
                'Сформирован' => now('Asia/Yakutsk')->format('d.m.Y H:i'),
            ],
            sections: $sections,
        );
    }
}