<?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::latestVersion()->where('unit_id', $unitId)->get(['id', 'status']);
        $unit = \App\Models\Unit::find($unitId);

        $studentsByStatus = Student::where('unit_id', $unitId)->get(['status']);

        return $this->successResponse(payload: [
            'students_count' => $students->count(),
            'students_by_status' => [
                'lead' => $studentsByStatus->where('status', Student::STATUS_LEAD)->count(),
                'active' => $studentsByStatus->where('status', Student::STATUS_ACTIVE)->count(),
                'ex_student' => $studentsByStatus->where('status', Student::STATUS_EX_STUDENT)->count(),
                'locked' => $studentsByStatus->where('status', Student::STATUS_LOCKED)->count(),
            ],
            'unit_config' => [
                'active_students_min' => $unit->active_students_min ?? 30,
                'active_students_medium' => $unit->active_students_medium ?? 50,
                'active_students_max' => $unit->active_students_max ?? 80,
            ],
            '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(),
        ]);
    }
}