<?php

namespace App\Models;

use Illuminate\Contracts\Auth\MustVerifyEmail;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Illuminate\Support\Collection;
use Laravel\Sanctum\HasApiTokens;

use App\Traits\{ScopeActive,UserSwitch};

/**
 * Class User
 *
 * User Roles:
 * + Site Admin
 * + ZC	- For Domain/Zone
 * + RC - For sub portion of a Domain/Zone (aka Region)
 * + Host Admin - For sub portion of a Region
 * + Hub Admin - For a sub portion of a Hosts system
 * + Sysop - Individual system
 * + Guest
 *
 * @package App\Models
 */
class User extends Authenticatable implements MustVerifyEmail
{
	use HasFactory,Notifiable,HasApiTokens,UserSwitch,ScopeActive;

	/** @var int Enables users have unlimited online time in the BBS */
	public const FLAG_H = 1<<12;

	/**
	 * The attributes that are mass assignable.
	 *
	 * @var array
	 */
	protected $fillable = [
		'name',
		'email',
		'password',
	];

	/**
	 * The attributes that should be hidden for arrays.
	 *
	 * @var array
	 */
	protected $hidden = [
		'password',
		'remember_token',
	];

	/**
	 * The attributes that should be cast to native types.
	 *
	 * @var array
	 */
	protected $casts = [
		'email_verified_at' => 'datetime',
		'last_on' => 'datetime:Y-m-d H:i:s',
		'passkey' => 'json',
	];

	/* RELATIONS */

	public function system()
	{
		return $this->belongsTo(System::class);
	}

	public function systems()
	{
		return $this->belongsToMany(System::class);
	}

	/* GENERAL METHODS */

	public function addresses(Domain $o=NULL): Collection
	{
		return Address::select('addresses.*')
			->join('systems',['systems.id'=>'addresses.system_id'])
			->join('system_user',['system_user.system_id'=>'systems.id'])
			->when(! is_null($o),function($query) use ($o) {
				return $query
					->join('zones',['zones.id'=>'addresses.zone_id'])
					->where('zones.domain_id',$o->id);
			})
			->where('system_user.user_id',$this->id)
			->activeFTN()
			->with(['zone.domain'])
			->get();
	}

	public function hasExemption(int $flag): bool
	{
		// @todo To implement
		return FALSE;
	}

	/**
	 * See if the user is already a member of the chosen network
	 *
	 * @param Domain $o
	 * @return bool
	 */
	public function isMember(Domain $o): bool
	{
		return FALSE;
	}

	/**
	 * Is this user a ZC of a domain?
	 *
	 * @return bool
	 */
	public function isZC(): bool
	{
		return $this->zc()->count() > 0;
	}

	/**
	 * @return Collection
	 * @deprecated not used - but if it is, probably could use Address::points()?
	 */
	public function points(): Collection
	{
		$result = collect();

		foreach($this->systems->pluck('addresses')->flatten()->where('role','>',Address::NODE_HC) as $ao)
			$result = $result->merge($ao->children());

		return $result;
	}

	/**
	 * Return the zones that this user is ZC for
	 *
	 * @return Collection
	 */
	public function zc(): Collection
	{
		$this->load('systems.addresses.nodes_hub');

		return $this->systems->pluck('addresses')->flatten()->where('role_id',Address::NODE_ZC);
	}
}