<?php

namespace App\Models;

use App\Models\Concerns\ManyManyThrough;
use App\Models\Concerns\Reportable;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Riesjart\Relaquent\Model\Concerns\HasRelaquentRelationships;

/**
 * A data table object (referencing revisions)
 *
 * @property int $id
 * @property \Carbon\Carbon $created_at
 * @property \Carbon\Carbon $updated_at
 * @property int $owner_id
 * @property int $ancestor_id
 * @property int $revision_id
 * @property string $name
 * @property string $title
 * @property string $description
 * @property string $license
 * @property string $origin
 * @property-read string $viewPage
 * @property-read User $owner
 * @property-read Table $parentTable
 * @property-read Table[]|Collection $forks
 * @property-read Revision[]|Collection $revisions
 * @property-read Revision $revision
 * @property-read Proposal[]|Collection $proposal
 * @property-read TableComment[]|Collection $comments
 * @property-read User[]|Collection $favouritingUsers
 * @property-read User[]|Collection $discussionFollowers
 */
class Table extends Model
{
    use Reportable;
    protected $guarded = [];

    /** Get owner from the instance cache (use when building table lists) */
    public function cachedOwner()
    {
        return User::getCached($this->owner_id);
    }

    /** Owning user */
    public function owner()
    {
        return $this->belongsTo(User::class, 'owner_id');
    }

    /** Fork precursor */
    public function parentTable()
    {
        return $this->belongsTo(Table::class, 'ancestor_id');
    }

    /** Fork descendants */
    public function forks()
    {
        return $this->hasMany(Table::class, 'ancestor_id');
    }

    /** All related revisions (this may include merged revisions) */
    public function revisions()
    {
        return $this->belongsToMany(Revision::class, 'table_revision_pivot');
    }

    /** Active revision */
    public function revision()
    {
        return $this->belongsTo(Revision::class, 'revision_id');
    }

    /** Proposals submitted to this table */
    public function proposals()
    {
        return $this->hasMany(Proposal::class);
    }

    /** User-submitted comments */
    public function comments()
    {
        return $this->hasMany(TableComment::class);
    }

    /** Users favouriting this table */
    public function favouritingUsers()
    {
        return $this->belongsToMany(User::class, 'table_favourites');
    }

    /** Users to notify about comments */
    public function discussionFollowers()
    {
        return $this->belongsToMany(User::class, 'discussion_follows');
    }

    public function __get($name)
    {
        if ($name == 'viewPage') {
            return route('table.view', ['user' => $this->cachedOwner()->name, 'table' => $this->name]);
        }

        return parent::__get($name);
    }
}