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using System.Collections.Generic;
using XenAdmin.CustomFields;
using XenAPI;
using XenAdmin.Core;


namespace XenAdmin.Actions
{
    /// <summary>
    /// Sets custom field values on a given API object.
    /// </summary>
    public class SaveCustomFieldsAction : AsyncAction
    {
        private readonly IXenObject xenObject;
        private readonly List<CustomField> customFields;

        public SaveCustomFieldsAction(IXenObject xenObject, List<CustomField> customFields, bool suppressHistory)
            : base(xenObject.Connection, Messages.ACTION_SAVE_CUSTOM_FIELDS, string.Format(Messages.ACTION_SAVING_CUSTOM_FIELDS_FOR, xenObject), suppressHistory)
        {
            this.xenObject = xenObject;
            this.customFields = customFields;

            var name = xenObject.GetType().Name;

            foreach (CustomField customField in customFields)
            {
                string key = CustomFieldsManager.GetCustomFieldKey(customField.Definition);
                string value = customField.ValueAsInvariantString;

                ApiMethodsToRoleCheck.AddWithKey($"{name}.remove_from_other_config", key);

                if (!string.IsNullOrEmpty(value))
                    ApiMethodsToRoleCheck.AddWithKey($"{name}.add_to_other_config", key);
            }
        }

        protected override void Run()
        {
            foreach (CustomField customField in customFields)
            {
                string key = CustomFieldsManager.GetCustomFieldKey(customField.Definition);
                string value = customField.ValueAsInvariantString;

                if (string.IsNullOrEmpty(value))
                    Helpers.RemoveFromOtherConfig(Session, xenObject, key);
                else
                    Helpers.SetOtherConfig(Session, xenObject, key, value);
            }
        }
    }
}