<?php

use humhub\components\Migration;

class m260402_060000_create_animal_gallery extends Migration
{
    public function safeUp()
    {
        $this->safeCreateTable('rescue_animal_gallery_item', [
            'id' => $this->primaryKey(),
            'animal_id' => $this->integer()->notNull(),
            'file_path' => $this->string(500)->null(),
            'file_id' => $this->integer()->null(),
            'source_post_id' => $this->integer()->null(),
            'source_type' => $this->string(32)->notNull()->defaultValue('upload'),
            'caption' => $this->text()->null(),
            'created_by' => $this->integer()->null(),
            'created_at' => $this->dateTime()->null(),
            'updated_at' => $this->dateTime()->null(),
        ]);

        $this->safeCreateIndex('idx_rescue_animal_gallery_animal', 'rescue_animal_gallery_item', 'animal_id', false);
        $this->safeCreateIndex('idx_rescue_animal_gallery_file', 'rescue_animal_gallery_item', 'file_id', false);
        $this->safeCreateIndex('idx_rescue_animal_gallery_post', 'rescue_animal_gallery_item', 'source_post_id', false);
        $this->safeCreateIndex('idx_rescue_animal_gallery_created', 'rescue_animal_gallery_item', ['animal_id', 'id'], false);

        $this->safeAddForeignKey(
            'fk_rescue_animal_gallery_animal',
            'rescue_animal_gallery_item',
            'animal_id',
            'rescue_animal',
            'id',
            'CASCADE',
            'CASCADE'
        );

        if ($this->db->getSchema()->getTableSchema('file', true) !== null) {
            $this->safeAddForeignKey(
                'fk_rescue_animal_gallery_file',
                'rescue_animal_gallery_item',
                'file_id',
                'file',
                'id',
                'SET NULL',
                'CASCADE'
            );
        }

        if ($this->db->getSchema()->getTableSchema('post', true) !== null) {
            $this->safeAddForeignKey(
                'fk_rescue_animal_gallery_post',
                'rescue_animal_gallery_item',
                'source_post_id',
                'post',
                'id',
                'SET NULL',
                'CASCADE'
            );
        }
    }

    public function safeDown()
    {
        $this->safeDropTable('rescue_animal_gallery_item');
    }
}