<?php

namespace App\Http\Controllers;

use App\Http\Controllers\Concerns\ResolvesActiveUnit;
use App\Models\Student;
use App\Models\StudentContract;
use Illuminate\Http\JsonResponse;

class FranchiseeDashboardController extends Controller
{
    use ResolvesActiveUnit;

    public function summary(): JsonResponse
    {
        $unitId = $this->activeUnitId();
        abort_if(!$unitId, 404, 'Unidade não encontrada.');

        $students = Student::where('unit_id', $unitId)->get(['id', 'name', 'birth_date', 'created_at']);
        $contracts = StudentContract::where('unit_id', $unitId)->get(['id', 'status']);

        return $this->successResponse(payload: [
            'students_count' => $students->count(),
            'contracts' => [
                'active' => $contracts->where('status', 'active')->count(),
                'frozen' => $contracts->where('status', 'frozen')->count(),
                'cancelled' => $contracts->where('status', 'cancelled')->count(),
            ],
            'birthdays' => $students
                ->filter(fn (Student $student) => $student->birth_date?->month === now()->month)
                ->map(fn (Student $student) => [
                    'day' => $student->birth_date->day,
                    'name' => $student->name,
                ])
                ->sortBy('day')
                ->values(),
            'enrollments' => $students->map(fn (Student $student) => [
                'created_at' => $student->created_at?->toISOString(),
            ])->values(),
        ]);
    }
}