using System.Collections.Generic;

namespace Umbraco.Core.Migrations.Upgrade.V_8_0_0.DataTypes
{
    /// <summary>
    /// Defines a service migrating preValues.
    /// </summary>
    public interface IPreValueMigrator
    {
        /// <summary>
        /// Determines whether this migrator can migrate a data type.
        /// </summary>
        /// <param name="editorAlias">The data type editor alias.</param>
        bool CanMigrate(string editorAlias);

        /// <summary>
        /// Gets the v8 codebase data type editor alias.
        /// </summary>
        /// <param name="editorAlias">The original v7 codebase editor alias.</param>
        /// <remarks>
        /// <para>This is used to validate that the migrated configuration can be parsed
        /// by the new property editor. Return <c>null</c> to bypass this validation,
        /// when for instance we know it will fail, and another, later migration will
        /// deal with it.</para>
        /// </remarks>
        string GetNewAlias(string editorAlias);

        /// <summary>
        /// Gets the configuration object corresponding to preValue.
        /// </summary>
        /// <param name="dataTypeId">The data type identifier.</param>
        /// <param name="editorAlias">The data type editor alias.</param>
        /// <param name="preValues">PreValues.</param>
        object GetConfiguration(int dataTypeId, string editorAlias, Dictionary<string, PreValueDto> preValues);
    }
}
