<?php

use Phinx\Migration\AbstractMigration;

/**
 * Crea le tabelle per gli abbonamenti dei saloni:
 *  - subscription_plans: i piani disponibili (gestiti dall'admin)
 *  - shop_subscriptions: l'abbonamento corrente di ogni salone
 *
 * Modello: l'abbonamento è il "motore" che accende/spegne shops.active.
 * expires_at è la data chiave: superata, il cron mette status=expired e spegne il salone.
 */
class CreateSubscriptions extends AbstractMigration
{
    public function change(): void
    {
        // ---- subscription_plans ----
        $plans = $this->table('subscription_plans', [
            'id'          => false,
            'primary_key' => ['id'],
            'engine'      => 'InnoDB',
            'encoding'    => 'utf8mb4',
            'collation'   => 'utf8mb4_unicode_ci',
        ]);

        $plans
            ->addColumn('id', 'integer', ['identity' => true, 'signed' => false])
            ->addColumn('name', 'string', ['limit' => 80])
            ->addColumn('description', 'string', ['limit' => 255, 'null' => true])
            ->addColumn('price', 'decimal', ['precision' => 8, 'scale' => 2, 'default' => '0.00'])
            ->addColumn('billing_period', 'enum', ['values' => ['monthly', 'yearly'], 'default' => 'monthly'])
            ->addColumn('stripe_price_id', 'string', ['limit' => 120, 'null' => true])
            ->addColumn('is_active', 'boolean', ['default' => true])
            ->addColumn('created_at', 'timestamp', ['default' => 'CURRENT_TIMESTAMP', 'null' => true])
            ->addColumn('updated_at', 'timestamp', ['default' => 'CURRENT_TIMESTAMP', 'update' => 'CURRENT_TIMESTAMP', 'null' => true])
            ->create();

        // ---- shop_subscriptions ----
        $subs = $this->table('shop_subscriptions', [
            'id'          => false,
            'primary_key' => ['id'],
            'engine'      => 'InnoDB',
            'encoding'    => 'utf8mb4',
            'collation'   => 'utf8mb4_unicode_ci',
        ]);

        $subs
            ->addColumn('id', 'biginteger', ['identity' => true, 'signed' => false])
            ->addColumn('shop_id', 'biginteger', ['signed' => false])
            ->addColumn('plan_id', 'integer', ['signed' => false, 'null' => true])
            ->addColumn('status', 'enum', [
                'values'  => ['active', 'expired', 'blocked', 'trialing', 'pending'],
                'default' => 'pending',
            ])
            ->addColumn('started_at', 'date', ['null' => true])
            ->addColumn('expires_at', 'date', ['null' => true])
            ->addColumn('block_reason', 'string', ['limit' => 255, 'null' => true])
            ->addColumn('stripe_customer_id', 'string', ['limit' => 120, 'null' => true])
            ->addColumn('stripe_subscription_id', 'string', ['limit' => 120, 'null' => true])
            ->addColumn('created_at', 'timestamp', ['default' => 'CURRENT_TIMESTAMP', 'null' => true])
            ->addColumn('updated_at', 'timestamp', ['default' => 'CURRENT_TIMESTAMP', 'update' => 'CURRENT_TIMESTAMP', 'null' => true])
            ->addIndex(['shop_id'], ['unique' => true, 'name' => 'uniq_shop'])
            ->addIndex(['status'], ['name' => 'idx_status'])
            ->addIndex(['expires_at'], ['name' => 'idx_expires'])
            ->addForeignKey('shop_id', 'shops', 'id', ['delete' => 'CASCADE', 'update' => 'NO_ACTION', 'constraint' => 'fk_sub_shop'])
            ->addForeignKey('plan_id', 'subscription_plans', 'id', ['delete' => 'SET_NULL', 'update' => 'NO_ACTION', 'constraint' => 'fk_sub_plan'])
            ->create();
    }
}