using System;
using System.Collections.Generic;
using System.Text;

namespace paperless_ngx_export.Models
{
    public class CustomFieldParsed
    {
        public string Name { get; set; }
        public object? Value { get; set; }
        public Type DataType { get; set; }

        public string StringValue => (string)Value;

        public DateTime DateValue => Value != null && DataType == typeof(DateTime) ? (DateTime)Value : DateTime.MinValue;

        public static CustomFieldParsed FromCustomFieldKeyValuePair(CustomFieldKeyValuePair pair, IEnumerable<CustomField> customFields)
        {
            if (pair.value != null && customFields.FirstOrDefault(cf => cf.Id == pair.field) is CustomField field)
            {
                try
                {
                    switch (field.data_type)
                    {
                        case CustomField_DataType.date:
                            return new CustomFieldParsed
                            {
                                Name = field.name,
                                Value = DateTime.Parse(pair.value),
                                DataType = typeof(DateTime)
                            };
                            break;
                        case CustomField_DataType.select:
                            return new CustomFieldParsed
                            {
                                Name = field.name,
                                Value = field.extra_data.select_options.First(so => so.id == pair.value).label,
                                DataType = typeof(string)
                            };
                            break;
                        default:
                            return new CustomFieldParsed
                            {
                                Name = field.name,
                                Value = pair.value,
                                DataType = typeof(string)
                            };
                            break;
                    }
                }
                catch (Exception ex)
                {
                    ;
                }
            }


            return null;
        }

        public override string ToString()
        {
            return $"{Name}: {Value} ({DataType.Name})";
        }
    }
}