<?php

namespace App\Http\Controllers\Admin;

use App\DB\Te\TableEngine;
use App\Http\Controllers\Controller;
use App\Models\AppNotification;
use App\Models\AppNotificationRead;
use Illuminate\Http\Request;

class AppNotificationController extends Controller
{
    public function table(Request $request)
    {
        $query = AppNotification::query()->withCount('reads');

        TableEngine::create($query, $request->all())
            ->initSearch(['title', 'body', 'severity'])
            ->select(['*'])
            ->export($query);

        return $query;
    }

    public function store(Request $request)
    {
        $data = $this->validatedPayload($request);
        $user = auth()->user();

        $row = AppNotification::create([
            ...$data,
            'is_active' => $data['is_active'] ?? true,
            'created_by' => $user?->id,
        ]);

        return response()->json($row, 201);
    }

    public function update(Request $request, int $id)
    {
        $row = AppNotification::findOrFail($id);
        $data = $this->validatedPayload($request, true);
        $row->update($data);

        return response()->json(true);
    }

    public function toggleActive(int $id)
    {
        $row = AppNotification::findOrFail($id);
        $row->is_active = ! $row->is_active;
        $row->save();

        return response()->json([
            'is_active' => (bool) $row->is_active,
        ]);
    }

    public function destroy(int $id)
    {
        AppNotification::findOrFail($id)->delete();

        return response()->json(true);
    }

    /** لیست مشتریانی که این اعلان را سین کرده‌اند */
    public function readers(int $id)
    {
        AppNotification::findOrFail($id);

        $rows = AppNotificationRead::query()
            ->where('notification_id', $id)
            ->with(['customer:id,name,fname,lname,mobile'])
            ->orderByDesc('read_at')
            ->orderByDesc('id')
            ->get();

        $readers = $rows->map(function (AppNotificationRead $read) {
            $customer = $read->customer;
            $name = trim((string) ($customer?->name ?: trim(($customer?->fname ?? '') . ' ' . ($customer?->lname ?? ''))));

            return [
                'customer_id' => $read->customer_id,
                'name' => $name !== '' ? $name : '—',
                'mobile' => $customer?->mobile,
                'read_at' => $read->read_at,
            ];
        })->values();

        return response()->json([
            'reads_count' => $readers->count(),
            'readers' => $readers,
        ]);
    }

    private function validatedPayload(Request $request, bool $partial = false): array
    {
        $rules = [
            'title' => ($partial ? 'sometimes|' : '') . 'required|string|max:191',
            'body' => ($partial ? 'sometimes|' : '') . 'required|string|max:5000',
            'severity' => ($partial ? 'sometimes|' : '') . 'required|in:info,success,warning,danger',
            'is_active' => 'sometimes|boolean',
        ];

        return $request->validate($rules);
    }
}