<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\SystemLog;
use Illuminate\Http\Request;

class SystemLogController extends Controller
{
    public function index()
    {
        return view('admin.system.logs', [
            'actions' => SystemLog::actionLabels(),
        ]);
    }

    public function data(Request $request)
    {
        $q = SystemLog::query();

        $username = trim((string) $request->query('username', ''));
        $action = trim((string) $request->query('action', ''));
        $keyword = trim((string) $request->query('keyword', ''));
        if ($username !== '') {
            $q->where('actor_username', 'like', '%'.$username.'%');
        }
        if ($action !== '' && isset(SystemLog::actionLabels()[$action])) {
            $q->where('action', $action);
        }
        if ($keyword !== '') {
            $q->where('content', 'like', '%'.$keyword.'%');
        }

        $sortable = ['id', 'created_at'];
        $field = (string) $request->query('field', 'id');
        $order = strtolower((string) $request->query('order', 'desc')) === 'asc' ? 'asc' : 'desc';
        if (! in_array($field, $sortable, true)) {
            $field = 'id';
        }
        $q->orderBy($field, $order);

        $limit = max(1, min(100, (int) $request->query('limit', 20)));
        $page = max(1, (int) $request->query('page', 1));
        $paginator = $q->paginate($limit, ['*'], 'page', $page);

        $data = collect($paginator->items())->map(function (SystemLog $row) {
            return [
                'id' => $row->id,
                'actor_role' => $row->actorRoleLabel(),
                'actor_username' => $row->actor_username ?: '—',
                'content' => $row->content ?: '',
                'ip' => $row->ip ?: '',
                'created_at' => optional($row->created_at)->format('Y-m-d H:i:s'),
            ];
        })->values();

        return response()->json([
            'code' => 0,
            'msg' => '',
            'count' => $paginator->total(),
            'data' => $data,
        ]);
    }
}