<?php

namespace App\Http\Controllers\Api\V1;

use App\Http\Controllers\Controller;
use App\Models\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class GuardianSummaryController extends Controller
{
    public function show(Request $request, User $student): JsonResponse
    {
        /** @var User $guardian */
        $guardian = $request->user();

        abort_unless($guardian->students()->whereKey($student->id)->exists(), 403);

        $progress = $student->lessonProgress()
            ->with('lesson:id,title,course_id')
            ->latest('updated_at')
            ->limit(10)
            ->get()
            ->map(fn ($row): array => [
                'lesson_id' => $row->lesson_id,
                'lesson_title' => $row->lesson?->title,
                'watched_percentage' => $row->watched_percentage,
                'completed' => $row->completed_at !== null,
                'last_active_at' => $row->updated_at->toIso8601String(),
            ]);

        $weakestConcepts = $student->conceptMastery()
            ->with('concept:id,name')
            ->orderBy('mastery_score')
            ->limit(5)
            ->get()
            ->map(fn ($row): array => [
                'concept' => $row->concept?->name,
                'mastery_score' => (float) $row->mastery_score,
            ]);

        $latestReport = $student->aiReports()
            ->where('type', 'weakness_analysis')
            ->latest()
            ->first();

        return response()->json([
            'student' => [
                'id' => $student->id,
                'name' => $student->name,
            ],
            'lessons_progress' => $progress,
            'weakest_concepts' => $weakestConcepts,
            'latest_ai_summary' => $latestReport?->summary,
        ]);
    }
}