'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('payment_policies', {
      policy_id: {
        type:          Sequelize.BIGINT,
        primaryKey:    true,
        autoIncrement: true,
      },
      plan_id: {
        type:       Sequelize.BIGINT,
        allowNull:  true,
        unique:     true,
        references: { model: 'tier_plans', key: 'plan_id' },
        onDelete:   'CASCADE',
      },
      // Array of { code, type:'flat'|'percent', value, currency?, max_discount?,
      //            max_uses?, expires_at?, min_amount? }
      promo_rules: {
        type:         Sequelize.JSONB,
        allowNull:    false,
        defaultValue: [],
      },
      // { allowed, window_value, window_unit:'minutes'|'hours'|'days', reason_required }
      refund_policy: {
        type:         Sequelize.JSONB,
        allowNull:    false,
        defaultValue: { allowed: true, window_value: 5, window_unit: 'minutes', reason_required: false },
      },
      // e.g. ["paypal"]
      allowed_providers: {
        type:         Sequelize.JSONB,
        allowNull:    false,
        defaultValue: ['paypal'],
      },
      createdAt: { type: Sequelize.DATE, allowNull: false },
      updatedAt: { type: Sequelize.DATE, allowNull: false },
    });

    await queryInterface.addIndex('payment_policies', ['plan_id']);
  },

  async down(queryInterface) {
    await queryInterface.dropTable('payment_policies');
  },
};