<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\User;
use App\Models\Suggestion;
use App\Models\Ticket;
use App\Models\UserSubscriber;
use Illuminate\Http\Request;

class DashboardController extends Controller
{
    public function index()
    {
        // 1. Calculate General Statistics
        $totalUsers = User::count();

        // Using your UserSubscriber model, checking the is_free column and expired_at date
        $paidSubscribers = UserSubscriber::where('expired_at', '>=', now())
            ->where('is_free', false)
            ->distinct('user_id')
            ->count('user_id');

        $freeSubscribers = UserSubscriber::where('expired_at', '>=', now())
            ->where('is_free', true)
            ->distinct('user_id')
            ->count('user_id');

        // 2. Fetch Recent Data (Limit to 5)
        $recentSuggestions = Suggestion::with('user')->latest()->take(5)->get();
        $recentTickets = Ticket::with('user')->latest('updated_at')->take(5)->get();

        // 3. Prepare Chart Data (Last 7 Days)
        $chartDates = [];
        $newUsersData = [];
        $paidSubsData = [];
        $freeSubsData = [];

        for ($i = 6; $i >= 0; $i--) {
            $date = now()->subDays($i);
            $chartDates[] = $date->format('Y-m-d'); // Example: "2023-10-25"
            $dbDate = $date->format('Y-m-d');

            // Line Chart Data: New Users
            $newUsersData[] = User::whereDate('created_at', $dbDate)->count();

            // Column Chart Data: Subscriptions
            $paidSubsData[] = UserSubscriber::whereDate('created_at', $dbDate)->where('is_free', false)->count();
            $freeSubsData[] = UserSubscriber::whereDate('created_at', $dbDate)->where('is_free', true)->count();
        }

        return view('admin.dashboard.index', compact(
            'totalUsers', 'paidSubscribers', 'freeSubscribers',
            'recentSuggestions', 'recentTickets',
            'chartDates', 'newUsersData', 'paidSubsData', 'freeSubsData'
        ));
    }
}