<?php

declare(strict_types=1);

use Phinx\Migration\AbstractMigration;

final class AddFunctionsToScadDeadlines extends AbstractMigration
{
    public function change(): void
    {
        $this->table('scad_functions', [
            'id' => false,
            'primary_key' => ['id'],
            'collation' => 'utf8mb4_unicode_ci',
            'encoding' => 'utf8mb4',
        ])
            ->addColumn('id', 'integer', [
                'identity' => true,
                'signed' => false,
            ])
            ->addColumn('name', 'string', [
                'limit' => 255,
                'null' => false,
            ])
            ->addColumn('description', 'text', [
                'null' => true,
            ])
            ->addColumn('status', 'string', [
                'limit' => 20,
                'null' => false,
                'default' => 'active',
            ])
            ->addColumn('created_at', 'timestamp', [
                'null' => false,
                'default' => 'CURRENT_TIMESTAMP',
            ])
            ->addColumn('updated_at', 'timestamp', [
                'null' => false,
                'default' => 'CURRENT_TIMESTAMP',
                'update' => 'CURRENT_TIMESTAMP',
            ])
            ->addIndex(['name'], [
                'unique' => true,
                'name' => 'uniq_scad_functions_name',
            ])
            ->create();

        $this->table('scad_deadlines')
            ->addColumn('function_id', 'integer', [
                'signed' => false,
                'null' => true,
                'after' => 'subject_id',
            ])
            ->addIndex(['function_id'], [
                'name' => 'idx_scad_deadlines_function_id',
            ])
            ->addForeignKey('function_id', 'scad_functions', 'id', [
                'delete' => 'SET_NULL',
                'update' => 'CASCADE',
                'constraint' => 'fk_scad_deadlines_function',
            ])
            ->update();
    }
}