<?php

declare(strict_types=1);

namespace App\Http\Controllers\Moderation;

use App\Http\Controllers\Controller;
use App\Models\StaffApplication;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Inertia\Response;

final class StaffApplicationsController extends Controller
{
    public function index(Request $request): Response
    {
        $filters = [
            'q' => trim((string) $request->query('q', '')),
            'topic' => trim((string) $request->query('topic', 'all')),
        ];

        $query = StaffApplication::query()->latest('created_at');

        if ($filters['q'] !== '') {
            $search = $filters['q'];
            $query->where(function ($builder) use ($search): void {
                $builder
                    ->where('name', 'like', '%' . $search . '%')
                    ->orWhere('email', 'like', '%' . $search . '%')
                    ->orWhere('role', 'like', '%' . $search . '%')
                    ->orWhere('message', 'like', '%' . $search . '%');
            });
        }

        if ($filters['topic'] !== '' && $filters['topic'] !== 'all') {
            $query->where('topic', $filters['topic']);
        }

        $items = $query
            ->paginate(20)
            ->withQueryString()
            ->through(fn (StaffApplication $application): array => $this->serializeApplication($application));

        $stats = [
            'total' => StaffApplication::query()->count(),
            'applications' => StaffApplication::query()->where('topic', 'application')->count(),
            'bug' => StaffApplication::query()->where('topic', 'bug')->count(),
            'contact' => StaffApplication::query()->where('topic', 'contact')->count(),
            'other' => StaffApplication::query()->whereNotIn('topic', ['application', 'bug', 'contact'])->count(),
        ];

        $topics = StaffApplication::query()
            ->select('topic')
            ->distinct()
            ->orderBy('topic')
            ->pluck('topic')
            ->values()
            ->all();

        return Inertia::render('Moderation/StaffApplications/Index', [
            'title' => 'Staff Applications',
            'items' => $items,
            'filters' => $filters,
            'stats' => $stats,
            'topics' => $topics,
            'endpoints' => [
                'index' => route('admin.staff-applications.index'),
            ],
        ])->rootView('moderation');
    }

    public function show(StaffApplication $staffApplication): Response
    {
        return Inertia::render('Moderation/StaffApplications/Show', [
            'title' => 'Staff Application',
            'item' => $this->serializeApplication($staffApplication, true),
            'backUrl' => route('admin.staff-applications.index'),
        ])->rootView('moderation');
    }

    private function serializeApplication(StaffApplication $application, bool $detailed = false): array
    {
        return [
            'id' => (string) $application->id,
            'topic' => (string) ($application->topic ?: 'contact'),
            'name' => (string) ($application->name ?: 'Unknown'),
            'email' => (string) ($application->email ?: ''),
            'role' => $application->role,
            'portfolio' => $application->portfolio,
            'message' => $application->message,
            'ip' => $application->ip,
            'user_agent' => $application->user_agent,
            'created_at' => optional($application->created_at)?->toIso8601String(),
            'payload' => $detailed ? ($application->payload ?? []) : [],
            'show_url' => route('admin.staff-applications.show', ['staffApplication' => $application]),
        ];
    }
}