'use strict';

// content_mode is STRING + explicit CHECK (CockroachDB can't create a new
// enum type via addColumn the way createTable can) — matches the live schema
// since 20260711000003.
module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('advertisements', {
      advertisement_id: { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      uuid:             { type: Sequelize.UUID, defaultValue: Sequelize.UUIDV4, allowNull: false, unique: true },
      type:             { type: Sequelize.ENUM('hero', 'banner', 'popup', 'sidebar'), allowNull: false },
      status:           { type: Sequelize.ENUM('draft', 'active', 'scheduled', 'expired', 'archived'), allowNull: false, defaultValue: 'draft' },
      badge_label:      { type: Sequelize.STRING(100) },
      headline:         { type: Sequelize.STRING(255) },
      description:      { type: Sequelize.TEXT },
      image_url:        { type: Sequelize.STRING(512) },
      image_asset_id:   { type: Sequelize.BIGINT, allowNull: true, references: { model: 'assets', key: 'asset_id' }, onDelete: 'SET NULL' },
      ctas:             { type: Sequelize.JSONB, allowNull: false, defaultValue: [] },
      start_date:       { type: Sequelize.DATE },
      end_date:         { type: Sequelize.DATE },
      order:            { type: Sequelize.INTEGER, allowNull: false, defaultValue: 0 },
      is_active:        { type: Sequelize.BOOLEAN, allowNull: false, defaultValue: true },
      size:             { type: Sequelize.ENUM('sm', 'md', 'lg'), allowNull: true },
      click_count:      { type: Sequelize.INTEGER, allowNull: false, defaultValue: 0 },
      placement:        { type: Sequelize.STRING(100), allowNull: true },
      content_mode:     { type: Sequelize.STRING, allowNull: false, defaultValue: 'image' },
      redirect_link:    { type: Sequelize.STRING(512), allowNull: true },
      landing_page:     { type: Sequelize.JSONB, allowNull: true },
      createdBy:        { type: Sequelize.BIGINT, allowNull: true },
      updatedBy:        { type: Sequelize.BIGINT, allowNull: true },
      deletedBy:        { type: Sequelize.BIGINT, allowNull: true },
      createdAt:        { type: Sequelize.DATE, allowNull: false },
      updatedAt:        { type: Sequelize.DATE, allowNull: false },
      deletedAt:        { type: Sequelize.DATE, allowNull: true },
    });

    await queryInterface.sequelize.query(`
      ALTER TABLE advertisements ADD CONSTRAINT check_content_mode
      CHECK (content_mode IN ('image', 'content'))
    `);

    await queryInterface.addIndex('advertisements', ['uuid']);
    await queryInterface.addIndex('advertisements', ['type']);
    await queryInterface.addIndex('advertisements', ['status']);
    await queryInterface.addIndex('advertisements', ['is_active']);
    await queryInterface.addIndex('advertisements', ['deletedAt']);
    await queryInterface.addIndex('advertisements', ['placement']);
  },

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