<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\admin\user\CreateUserRequest;
use App\Http\Requests\admin\user\UpdateUserRequest;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;

class UsersController extends Controller
{
    public function index(Request $request)
    {
        $query = User::select('id', 'name', 'email', 'mobile', 'is_admin')
            ->with(['userSubscribers' => function ($q) {
                $q->where('expired_at', '>=', now());
            }]);

        if ($request->filled('q')) {
            $q = $request->q;
            $query->where(function ($qry) use ($q) {
                $qry->where('name', 'like', "%{$q}%")
                    ->orWhere('email', 'like', "%{$q}%")
                    ->orWhere('mobile', 'like', "%{$q}%");
            });
        }
        if ($request->filled('type') && in_array($request->type, ['0', '1'])) {
            $query->where('is_admin', (bool) $request->type);
        }

        $perPage = min(max((int) $request->input('per_page', 15), 10), 100);
        $users = $query->paginate($perPage)->withQueryString();

        return view('admin.users.index', compact('users'));
    }

    public function create()
    {
        return view('admin.users.create');
    }

    /**
     * Manually assign a paid subscription to a user from the Admin Panel.
     */
    public function addManualSubscription(Request $request)
    {
        // 1. Validate the input
        $request->validate([
            'user_id' => 'required|exists:users,id',
            'subscribe_plan_id' => 'required|exists:subscribe_plans,id',
        ]);

        $user = \App\Models\User::findOrFail($request->user_id);
        $plan = \App\Models\SubscribePlan::findOrFail($request->subscribe_plan_id);

        // Prevent admins from accidentally adding free plans through this paid-only route
        if ($plan->is_free) {
            return back()->with('error', 'برای این عملیات باید یک اشتراک پولی انتخاب کنید.');
        }

        // 2. Find the latest active PAID subscription to correctly stack the days
        $latestPaidSub = $user->userSubscribers()
            ->where('expired_at', '>', now())
            ->whereHas('subscribe', function ($query) {
                $query->where('is_free', false);
            })
            ->latest('expired_at')
            ->first();

        // If they have an active paid plan, start from its expiration. Otherwise, start from right now.
        $startDate = $latestPaidSub ? $latestPaidSub->expired_at : now();
        $expiredAt = $startDate->copy()->addDays($plan->expired_day);

        // 3. CLEANUP: Instantly expire any active FREE plans so they don't pollute the database
        $user->userSubscribers()
            ->where('expired_at', '>', now())
            ->whereHas('subscribe', function ($query) {
                $query->where('is_free', true);
            })
            ->update(['expired_at' => now()]);

        // 4. Create the manual paid subscription
        $user->userSubscribers()->create([
            'subscribe_plan_id' => $plan->id,
            'expired_at' => $expiredAt,
            'market_provider' => 'admin', // This will cleanly display as "(Admin)" in your dashboard charts!
            'is_free' => false,
        ]);

        // Redirect back with a success message for your blade view
        return back()->with('success', 'اشتراک پولی با موفقیت برای کاربر ثبت شد.');
    }

    public function store(CreateUserRequest $request)
    {
        $validated = $request->validated();
        $validated['password'] = Hash::make(fake()->password);
        $validated['is_admin'] = $validated['is_admin'] == 'on' ? true : false;
        User::query()->create($validated);

        return redirect(route('users.index'));
    }

    public function edit(User $user)
    {
        $paidPlans = \App\Models\SubscribePlan::where('is_free', false)
            ->where('is_active', true)
            ->get();

        return view('admin.users.update', compact('user', 'paidPlans'));
    }

    public function update(UpdateUserRequest $request, User $user)
    {
        $validated = $request->validated();
        $validated['is_admin'] = $validated['is_admin'] == 'on' ? true : false;
        $user->update($validated);

        return redirect(route('users.index'));
    }

    public function destroy(User $user)
    {
        $user->delete();

        return back();
    }
}