<?php

namespace App\Http\Controllers\Api\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\StoreReviewerRequest;
use App\Http\Requests\Admin\UpdateReviewerRequest;
use App\Models\Reviewer;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

class ReviewerController extends Controller
{
    public function index(Request $request): JsonResponse
    {
        $perPage = min((int) $request->query('per_page', 15), 100);

        $q = Reviewer::query()
            ->withCount('reviewerScopes')
            ->orderByDesc('id');

        $keyword = trim((string) $request->query('q', ''));
        if ($keyword !== '') {
            $q->where(function ($w) use ($keyword): void {
                $w->where('mobile', 'like', '%'.$keyword.'%')
                    ->orWhere('name', 'like', '%'.$keyword.'%')
                    ->orWhere('username', 'like', '%'.$keyword.'%');
            });
        }

        $status = $request->query('status');
        if (\in_array($status, ['active', 'disabled'], true)) {
            $q->where('status', $status);
        }

        $paginator = $q->paginate($perPage);
        $paginator->getCollection()->transform(function (Reviewer $r): array {
            return $this->toArray($r, (int) $r->reviewer_scopes_count);
        });

        return response()->json($paginator);
    }

    public function store(StoreReviewerRequest $request): JsonResponse
    {
        /** @var array<string, mixed> $validated */
        $validated = $request->validated();
        $password = $validated['password'];
        unset($validated['password']);
        $validated['status'] ??= 'active';

        /** @var Reviewer $reviewer */
        $reviewer = new Reviewer($validated);
        $reviewer->password_hash = $password;
        $reviewer->save();

        return response()->json($this->toArray($reviewer->fresh(), 0), Response::HTTP_CREATED);
    }

    public function show(Reviewer $reviewer): JsonResponse
    {
        $reviewer->loadCount('reviewerScopes');

        return response()->json($this->toArray($reviewer, (int) $reviewer->reviewer_scopes_count));
    }

    public function update(UpdateReviewerRequest $request, Reviewer $reviewer): JsonResponse
    {
        /** @var array<string, mixed> $validated */
        $validated = $request->validated();

        if (\array_key_exists('password', $validated)) {
            $pw = $validated['password'];
            unset($validated['password']);
            if ($pw !== null && $pw !== '') {
                $reviewer->password_hash = $pw;
            }
        }

        $reviewer->fill($validated);
        $reviewer->save();
        $reviewer->loadCount('reviewerScopes');

        return response()->json($this->toArray($reviewer, (int) $reviewer->reviewer_scopes_count));
    }

    public function destroy(Reviewer $reviewer): Response
    {
        $reviewer->delete();

        return response()->noContent();
    }

    /**
     * @return array<string, mixed>
     */
    private function toArray(Reviewer $r, int $scopesCount): array
    {
        return [
            'id' => $r->id,
            'mobile' => $r->mobile,
            'username' => $r->username,
            'name' => $r->name,
            'status' => $r->status,
            'reviewer_scopes_count' => $scopesCount,
            'password_set' => $r->passwordIsSet(),
            'last_login_at' => $r->last_login_at?->toIso8601String(),
            'created_at' => $r->created_at?->toIso8601String(),
            'updated_at' => $r->updated_at?->toIso8601String(),
        ];
    }
}