using System;
using System.Collections.Generic;

namespace TellmePdmsPluging.Models
{
    public class OpenMdbRequest
    {
        public string ExecutionId { get; set; }
        public string execution_id { get { return ExecutionId; } set { ExecutionId = value; } }

        /// <summary>
        /// MDB name to open
        /// </summary>
        public string MdbName { get; set; }

        /// <summary>
        /// If true then all DBs will be opened in read
        /// </summary>
        public bool ReadOnly { get; set; }

        /// <summary>
        /// Default database type. e.g. Design
        /// </summary>
        public string DefaultType { get; set; }

        /// <summary>
        /// DbTypes to open in read (string form, e.g. ["Design","Catalog"])
        /// </summary>
        public List<string> ReadTypes
        {
            get { return _readTypes; }
            set { _readTypes = NormalizeList(value); }
        }

        /// <summary>
        /// DbTypes to open in write (string form)
        /// </summary>
        public List<string> WriteTypes
        {
            get { return _writeTypes; }
            set { _writeTypes = NormalizeList(value); }
        }

        /// <summary>
        /// Stamp at which to open the MDB (optional)
        /// </summary>
        public string Stamp { get; set; }

        /// <summary>
        /// Subtype, i.e. marine or not (optional)
        /// </summary>
        public int? Subtype { get; set; }

        private List<string> _readTypes;
        private List<string> _writeTypes;

        public void ApplyDefaults()
        {
            MdbName = Normalize(MdbName);
            DefaultType = Normalize(DefaultType);
            Stamp = Normalize(Stamp);
        }

        private static string Normalize(string value)
        {
            if (IsNullOrWhiteSpace(value))
            {
                return null;
            }

            return value.Trim();
        }

        private static List<string> NormalizeList(IEnumerable<string> source)
        {
            if (source == null)
            {
                return null;
            }

            var normalized = new List<string>();

            foreach (var item in source)
            {
                if (IsNullOrWhiteSpace(item))
                {
                    continue;
                }

                var formatted = item.Trim();
                if (!normalized.Contains(formatted))
                {
                    normalized.Add(formatted);
                }
            }

            return normalized;
        }

        private static bool IsNullOrWhiteSpace(string value)
        {
            if (value == null)
            {
                return true;
            }

            for (int i = 0; i < value.Length; i++)
            {
                if (!char.IsWhiteSpace(value[i]))
                {
                    return false;
                }
            }

            return true;
        }
    }

    public class OpenMdbResult
    {
        public bool Success { get; set; }
        public string Message { get; set; }
        public string MdbName { get; set; }
        public bool WasAlreadyOpen { get; set; }
        public bool ReadOnly { get; set; }
        public string DefaultType { get; set; }
        public long FileSize { get; set; }
        public long PolygonCount { get; set; }
        public long FeatureCount { get; set; }
        public DateTime CompletedAt { get; set; }
    }
}