<?php

namespace Illuminate\Tests\Integration\Database;

use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\Pivot;
use Illuminate\Database\Eloquent\Relations\MorphPivot;
use Illuminate\Database\Eloquent\Collection as DatabaseCollection;

/**
 * @group integration
 */
class EloquentPivotSerializationTest extends DatabaseTestCase
{
    public function setUp()
    {
        parent::setUp();

        Schema::create('users', function ($table) {
            $table->increments('id');
            $table->string('email');
            $table->timestamps();
        });

        Schema::create('projects', function ($table) {
            $table->increments('id');
            $table->string('name');
            $table->timestamps();
        });

        Schema::create('project_users', function ($table) {
            $table->integer('user_id');
            $table->integer('project_id');
        });

        Schema::create('tags', function ($table) {
            $table->increments('id');
            $table->string('name');
            $table->timestamps();
        });

        Schema::create('taggables', function ($table) {
            $table->integer('tag_id');
            $table->integer('taggable_id');
            $table->string('taggable_type');
        });
    }

    public function test_pivot_can_be_serialized_and_restored()
    {
        $user = PivotSerializationTestUser::forceCreate(['email' => 'taylor@laravel.com']);
        $project = PivotSerializationTestProject::forceCreate(['name' => 'Test Project']);
        $project->collaborators()->attach($user);

        $project = $project->fresh();

        $class = new PivotSerializationTestClass($project->collaborators->first()->pivot);
        $class = unserialize(serialize($class));

        $this->assertEquals($project->collaborators->first()->pivot->user_id, $class->pivot->user_id);
        $this->assertEquals($project->collaborators->first()->pivot->project_id, $class->pivot->project_id);

        $class->pivot->save();
    }

    public function test_morph_pivot_can_be_serialized_and_restored()
    {
        $project = PivotSerializationTestProject::forceCreate(['name' => 'Test Project']);
        $tag = PivotSerializationTestTag::forceCreate(['name' => 'Test Tag']);
        $project->tags()->attach($tag);

        $project = $project->fresh();

        $class = new PivotSerializationTestClass($project->tags->first()->pivot);
        $class = unserialize(serialize($class));

        $this->assertEquals($project->tags->first()->pivot->tag_id, $class->pivot->tag_id);
        $this->assertEquals($project->tags->first()->pivot->taggable_id, $class->pivot->taggable_id);
        $this->assertEquals($project->tags->first()->pivot->taggable_type, $class->pivot->taggable_type);

        $class->pivot->save();
    }

    public function test_collection_of_pivots_can_be_serialized_and_restored()
    {
        $user = PivotSerializationTestUser::forceCreate(['email' => 'taylor@laravel.com']);
        $user2 = PivotSerializationTestUser::forceCreate(['email' => 'mohamed@laravel.com']);
        $project = PivotSerializationTestProject::forceCreate(['name' => 'Test Project']);

        $project->collaborators()->attach($user);
        $project->collaborators()->attach($user2);

        $project = $project->fresh();

        $class = new PivotSerializationTestCollectionClass(DatabaseCollection::make($project->collaborators->map->pivot));
        $class = unserialize(serialize($class));

        $this->assertEquals($project->collaborators[0]->pivot->user_id, $class->pivots[0]->user_id);
        $this->assertEquals($project->collaborators[1]->pivot->project_id, $class->pivots[1]->project_id);
    }

    public function test_collection_of_morph_pivots_can_be_serialized_and_restored()
    {
        $tag = PivotSerializationTestTag::forceCreate(['name' => 'Test Tag 1']);
        $tag2 = PivotSerializationTestTag::forceCreate(['name' => 'Test Tag 2']);
        $project = PivotSerializationTestProject::forceCreate(['name' => 'Test Project']);

        $project->tags()->attach($tag);
        $project->tags()->attach($tag2);

        $project = $project->fresh();

        $class = new PivotSerializationTestCollectionClass(DatabaseCollection::make($project->tags->map->pivot));
        $class = unserialize(serialize($class));

        $this->assertEquals($project->tags[0]->pivot->tag_id, $class->pivots[0]->tag_id);
        $this->assertEquals($project->tags[0]->pivot->taggable_id, $class->pivots[0]->taggable_id);
        $this->assertEquals($project->tags[0]->pivot->taggable_type, $class->pivots[0]->taggable_type);

        $this->assertEquals($project->tags[1]->pivot->tag_id, $class->pivots[1]->tag_id);
        $this->assertEquals($project->tags[1]->pivot->taggable_id, $class->pivots[1]->taggable_id);
        $this->assertEquals($project->tags[1]->pivot->taggable_type, $class->pivots[1]->taggable_type);
    }
}

class PivotSerializationTestClass
{
    use SerializesModels;

    public $pivot;

    public function __construct($pivot)
    {
        $this->pivot = $pivot;
    }
}

class PivotSerializationTestCollectionClass
{
    use SerializesModels;

    public $pivots;

    public function __construct($pivots)
    {
        $this->pivots = $pivots;
    }
}

class PivotSerializationTestUser extends Model
{
    public $table = 'users';
}

class PivotSerializationTestProject extends Model
{
    public $table = 'projects';

    public function collaborators()
    {
        return $this->belongsToMany(
            PivotSerializationTestUser::class, 'project_users', 'project_id', 'user_id'
        )->using(PivotSerializationTestCollaborator::class);
    }

    public function tags()
    {
        return $this->morphToMany(PivotSerializationTestTag::class, 'taggable', 'taggables', 'taggable_id', 'tag_id')
                ->using(PivotSerializationTestTagAttachment::class);
    }
}

class PivotSerializationTestTag extends Model
{
    public $table = 'tags';

    public function projects()
    {
        return $this->morphedByMany(PivotSerializationTestProject::class, 'taggable', 'taggables', 'tag_id', 'taggable_id')
                    ->using(PivotSerializationTestTagAttachment::class);
    }
}

class PivotSerializationTestCollaborator extends Pivot
{
    public $table = 'project_users';
}

class PivotSerializationTestTagAttachment extends MorphPivot
{
    public $table = 'taggables';
}
