import { DataTypes } from 'sequelize';

export function define_amazon_search_item(sequelize) {
  return sequelize.define(
    'amazon_search_item',
    {
      id: { type: DataTypes.BIGINT.UNSIGNED, primaryKey: true, autoIncrement: true },
      asin: { type: DataTypes.STRING(32), allowNull: false },
      url: { type: DataTypes.TEXT, allowNull: false },
      title: { type: DataTypes.TEXT, allowNull: true },
      price: { type: DataTypes.STRING(64), allowNull: true },
      rating: { type: DataTypes.FLOAT, allowNull: true },
      rating_text: { type: DataTypes.STRING(64), allowNull: true },
      review_count: { type: DataTypes.INTEGER, allowNull: true },
      review_count_text: { type: DataTypes.STRING(64), allowNull: true },
      rank_index: { type: DataTypes.INTEGER, allowNull: true, comment: '列表中的 index 字段' },
      batch_key: { type: DataTypes.STRING(64), allowNull: false, comment: '一次列表抓取的批次 key' },
      batch_total: { type: DataTypes.INTEGER, allowNull: true },
      batch_limit: { type: DataTypes.INTEGER, allowNull: true }
    },
    {
      tableName: 'amazon_search_item',
      indexes: [
        { fields: ['asin'] },
        { fields: ['batch_key'] },
        { fields: ['created_at'] }
      ]
    }
  );
}