<?php

namespace App\Http\Livewire\WireChat\Chat\Group;

use App\Models\User;
use Namu\WireChat\Facades\WireChat;
use Namu\WireChat\Livewire\Chat\Group\AddMembers as BaseAddMembers;
use Namu\WireChat\Livewire\Chat\Group\Info;

class AddMembers extends BaseAddMembers
{
    /**
     * Override save to dispatch the refreshed participant count after persisting members.
     * The base save() dispatches before the DB count is re-queried; we re-query to ensure
     * the Info header always shows the correct number.
     */
    public function save()
    {
        parent::save();

        // Re-query the actual participant count from DB and re-dispatch so Info updates correctly
        $actualCount = $this->conversation->participants()->count();
        $this->dispatch('participantsCountUpdated', $actualCount)->to(Info::class);
    }

    /**
     * Add all linked users of the active Organization, Bank, or Admin profile
     * to the selected members list, up to the group member limit.
     */
    public function addLinkedMembers(): void
    {
        $activeProfile = getActiveProfile();
        if (!$activeProfile) {
            return;
        }

        \App\Helpers\ProfileAuthorizationHelper::authorize($activeProfile);

        $activeProfileType = getActiveProfileType();

        if (!in_array($activeProfileType, ['Organization', 'Bank', 'Admin'])) {
            return;
        }

        $relationMethod = $activeProfileType === 'Bank' ? 'managers' : 'users';
        $linkedUsers = $activeProfile->$relationMethod()
            ->select('users.id')
            ->get();

        foreach ($linkedUsers as $linkedUser) {
            // Stop if we've hit the group member limit
            if ($this->newTotalCount >= WireChat::maxGroupMembers()) {
                $this->dispatch('show-member-limit-error');
                break;
            }

            $user = User::find($linkedUser->id);
            if (!$user) {
                continue;
            }

            // Skip if already a participant in the conversation
            if ($user->belongsToConversation($this->conversation)) {
                continue;
            }

            // Skip if already selected
            if ($this->selectedMembers->contains(fn ($m) => $m->id == $user->id && get_class($m) == get_class($user))) {
                continue;
            }

            $this->selectedMembers->push($user);
            $this->newTotalCount = count($this->selectedMembers) + $this->exitingMembersCount;
        }
    }
}