<?php

namespace App\Http\Resources\ClassProgress;

use Illuminate\Http\Request;
use Illuminate\Http\Resources\Json\JsonResource;

class ClassProgressShowResource extends JsonResource
{
    public function toArray(Request $request): array
    {
        $weekly = $this['weekly_reports'] ?? [];
        $report = $this['report'];
        $reportId = (int) ($report->id ?? 0);
        $weeklyCollection = collect($weekly);
        $matchedReport = $weeklyCollection->first(fn ($weeklyReport) => (int) ($weeklyReport->id ?? 0) === $reportId);
        if ($matchedReport) {
            $report = $matchedReport;
        }

        $weekStart = $report->week_start?->format('Y-m-d') ?? '';
        $weekEnd = $report->week_end?->format('Y-m-d');
        $sectionId = (int) ($report->class_section_id ?? 0);
        $sectionName = $report->class_section_name ?? $report->classSection?->class_section_name ?? '';
        $weeklyReports = ClassProgressReportResource::collection($weeklyCollection);
        $reports = [];
        $reportsArray = [];

        foreach ($weekly as $weeklyReport) {
            $subject = (string) ($weeklyReport->subject ?? '');
            if ($subject === '') {
                continue;
            }

            $reportArray = (new ClassProgressReportResource($weeklyReport))->toArray($request);
            $reports[$subject] = $reportArray;
            $reportsArray[] = $reportArray;
        }

        return [
            'id' => $reportId,
            'report_id' => $reportId,
            'view_url' => url('/api/v1/class-progress/'.$reportId),
            'parent_view_url' => url('/api/v1/parents/progress/'.$reportId),
            'report' => new ClassProgressReportResource($report),
            'weekly_reports' => $weeklyReports,
            'items' => $weeklyReports,
            'reports_array' => $reportsArray,
            'report_list' => $reportsArray,
            'reports' => $reports,
            'group' => [
                'id' => $reportId,
                'report_id' => $reportId,
                'view_url' => url('/api/v1/class-progress/'.$reportId),
                'parent_view_url' => url('/api/v1/parents/progress/'.$reportId),
                'week_start' => $weekStart,
                'week_end' => $weekEnd,
                'class_section_id' => $sectionId,
                'class_section_name' => $sectionName,
                'reports' => $reports,
                'weekly_reports' => $weeklyReports,
                'reports_array' => $reportsArray,
                'report_list' => $reportsArray,
                'subjects' => array_keys($reports),
            ],
            'status_options' => $this['status_options'] ?? [],
        ];
    }
}