<?php

namespace common\models;

use yii\behaviors\TimestampBehavior;
use yii\db\ActiveQuery;
use yii\db\ActiveRecord;
use yii\db\Expression;
use yii\helpers\ArrayHelper;

/**
 * This is the model class for table "task".
 *
 * @property int $id
 * @property int $project_id
 * @property string $title
 * @property int $status
 * @property string $created_at
 * @property string $updated_at
 * @property int $column_id
 * @property int $user_id
 * @property int $executor_id
 * @property int $priority
 * @property string $description
 *
 * @property Project $project
 * @property UserCard $card
 * @property UserCard $cardIdCreator
 * @property ProjectTaskUser[] $taskUsers
 */
class ProjectTask extends ActiveRecord
{
    const STATUS_ACTIVE = 1;
    const STATUS_DISABLE = 0;

    /**
     * {@inheritdoc}
     */
    public static function tableName()
    {
        return 'project_task';
    }

    public function behaviors()
    {
        return [
            [
                'class' => TimestampBehavior::class,
                'createdAtAttribute' => 'created_at',
                'updatedAtAttribute' => 'updated_at',
                'value' => new Expression('NOW()'),
            ],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['project_id', 'status', 'title', 'description',], 'required'],
            [['project_id', 'status', 'column_id', 'user_id', 'executor_id', 'priority'], 'integer'],
            [['created_at', 'updated_at'], 'safe'],
            ['title', 'unique', 'targetAttribute' => ['title', 'project_id'], 'message' => 'Такая задача уже создана'],
            [['title'], 'string', 'max' => 255],
            [['description'], 'string', 'max' => 500],
            [['project_id'], 'exist', 'skipOnError' => true, 'targetClass' => Project::className(), 'targetAttribute' => ['project_id' => 'id']],
            [['user_id'], 'exist', 'skipOnError' => true, 'targetClass' => User::className(), 'targetAttribute' => ['user_id' => 'id']],
            [['executor_id'], 'exist', 'skipOnError' => true, 'targetClass' => User::className(), 'targetAttribute' => ['executor_id' => 'id']],
            [['column_id'], 'exist', 'skipOnError' => true, 'targetClass' => ProjectColumn::className(), 'targetAttribute' => ['column_id' => 'id']],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function attributeLabels()
    {
        return [
            'id' => 'ID',
            'project_id' => 'Проект',
            'title' => 'Название задачи',
            'status' => 'Статус',
            'created_at' => 'Дата создания',
            'updated_at' => 'Дата обновления',
            'description' => 'Описание',
            'user_id' => 'Создатель задачи',
            'column_id' => 'Колонка',
            'executor_id' => 'Исполнитель',
            'priority' => 'Приоритет',
        ];
    }

    /**
     * @return string[]
     */
    public function fields(): array
    {
        return [
            'id',
            'project_id',
            'title',
            'created_at',
            'updated_at',
            'description',
            'status',
            'column_id',
            'user_id',
            'user' => function () {
                return [
                    "fio" => $this->user->userCard->fio ?? $this->user->username,
                    "avatar" => $this->user->userCard->photo ?? '',
                ];
            },
            'executor_id',
            'priority',
            'executor' => function () {
                if ($this->executor){
                    return [
                        "fio" => $this->executor->userCard->fio ?? $this->executor->username,
                        "avatar" => $this->executor->userCard->photo ?? '',
                    ];
                }

                return null;
            },
            'taskUsers',
        ];
    }

    /**
     * @return string[]
     */
    public static function getStatus(): array
    {
        return [
            self::STATUS_ACTIVE => 'Активен',
            self::STATUS_DISABLE => 'Выключен'
        ];
    }

    public function beforeDelete()
    {
        foreach ($this->taskUsers as $taskUser) {
            $taskUser->delete();
        }
        return parent::beforeDelete();
    }

    /**
     * @return ActiveQuery
     */
    public function getProject(): ActiveQuery
    {
        return $this->hasOne(Project::className(), ['id' => 'project_id']);
    }

    /**
     * @return ActiveQuery
     */
    public function getUser(): ActiveQuery
    {
        return $this->hasOne(User::className(), ['id' => 'user_id']);
    }

    /**
     * @return ActiveQuery
     */
    public function getExecutor(): ActiveQuery
    {
        return $this->hasOne(User::class, ['id' => 'executor_id']);
    }

    /**
     * @return ActiveQuery
     */
    public function getColumn(): ActiveQuery
    {
        return $this->hasOne(ProjectColumn::class, ['id' => 'column_id']);
    }

    /**
     * @return ActiveQuery
     */
    public function getTaskUsers()
    {
        return $this->hasMany(ProjectTaskUser::className(), ['task_id' => 'id']);
    }

    public static function usersByTaskArr($task_id): array
    {
        return ArrayHelper::map(
            self::find()->joinWith(['user', 'project'])->where(['project_id' => $task_id])->all(), 'id', 'user.username');
    }
}