using AngleSharp.Html.Dom;
using AngleSharp.Html.Parser;
using Microsoft.Azure.CosmosDB.Table;
using Microsoft.Azure.Storage;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using taloyhtio.idp.parser.common.model;

namespace fivaldi
{
    class Program
    {
        private static readonly Regex numcode = new Regex("^\\d{2,3}$", RegexOptions.Compiled);
        private static readonly Regex date = new Regex("^\\d{2}\\.\\d{2}\\.\\d{4}$", RegexOptions.Compiled);
        private static readonly Regex flat = new Regex("^[A-Z]\\s\\d{1,3}$", RegexOptions.Compiled);
        private static readonly Regex containsNumber = new Regex("\\d+", RegexOptions.Compiled);
        private static readonly Regex series = new Regex(".+Osakesarja$", RegexOptions.Compiled);
        private const string MARKER = "Muut tilat";
        private const string CONDONAME = "hiihtomaentie16";

        private static void InitClient()
        {
            var storageAccount = CloudStorageAccount.Parse(ConfigurationManager.ConnectionStrings[Constants.KEY_AZURE_STORAGE].ConnectionString);
            tableClient = storageAccount.CreateCloudTableClient(
                new TableConnectionPolicy()
                {
                    UseDirectMode = false
                });
        }
        private static List<CondoMapping> GetCondo(string condoName)
        {
            var table = tableClient.GetTableReference("mdbCondoMappings");
            table.CreateIfNotExists();

            var allCondos = table.CreateQuery<CondoMapping>().ToList();

            if (condoName != null)
            {
                return allCondos.Where(x => condoName.Contains(x.PMSCondoName)).ToList();
            }
            return allCondos;
        }

        private static IHtmlDocument document;
        private static CloudTableClient tableClient;
        private static List<FlatData> flats;
        private static CondoMapping condo;

        static void Main(string[] args)
        {
            CollectFlatData(args[0]);
            InitClient();
            condo = GetCondo(CONDONAME)[0];
            if (condo == null)
            {
                return;
            }
            SaveFlats();
        }

        static void SaveFlats()
        {
            var table = tableClient.GetTableReference("mdbFlats");
            table.CreateIfNotExists();

            flats.ForEach(f =>
            {
                var id = Guid.NewGuid();
                var flat = new Flat
                {
                    PartitionKey = condo.TaloyhtioPMCId.ToString(),
                    Id = id,
                    RowKey = id.ToString(),
                    CondoPMS = condo.PMSCondoName,
                    FlatTitle = f.Title,
                    PMCTaloyhtioId = condo.TaloyhtioPMCId,
                    FlatUsers = JsonConvert.SerializeObject(
                        f.People.ConvertAll(p =>
                        {
                            return new FlatUser {
                                DisplayName = p.Name,
                                PIN = Util.ConvertPIN(p.BirthDate)
                            };
                        })
                    )
                };

                var result = table.Execute(TableOperation.InsertOrReplace(flat));
                Console.WriteLine(result.HttpStatusCode);
            });
        }

        static void CollectFlatData(string source)
        {
            string dataUrl = Directory.GetCurrentDirectory() + "\\" + source;
            string sourceDoc = File.ReadAllText(dataUrl, Encoding.GetEncoding(1252));
            document = new HtmlParser().ParseDocument(sourceDoc);

            flats = new List<FlatData>();
            var trs = document.QuerySelectorAll("tr").ToList();
            for(int i = 0; i < trs.Count; i++)
            {
                var tr = trs[i];
                var tds = tr.QuerySelectorAll("td").ToList();
                if (tds.Count < 2)
                    continue;
                var tdFlat = tds[1].TextContent;
                if (tdFlat == null || tdFlat.Trim() == "" || !flat.IsMatch(tdFlat))
                    continue;

                flats.Add(new FlatData { Title = tdFlat, Row = i });
            }

            for (int i = 0; i < flats.Count; i++)
            {
                var flat = flats[i];
                var row = flat.Row;
                var last = i == flats.Count - 1;
                do
                {
                    var tr = trs[row];
                    var strings = tr.QuerySelectorAll("td").Where(td => !string.IsNullOrWhiteSpace(td.TextContent)).Select(x => x.TextContent).ToList();
                    if (row == flat.Row)
                    {
                        if (strings.Count >= 7 && !strings[6].Contains("100,00"))
                        {
                            flat.People.Add(new Person { Name = strings[6] });
                        }
                    }
                    else
                    {
                        if (strings.Count > 1)
                        {
                            if (date.IsMatch(strings[0]))
                            {
                                flat.People.Last().BirthDate = strings[0];
                            }
                            else if (!containsNumber.IsMatch(strings[0]) && strings.Count < 4)
                            {
                                flat.People.Add(new Person { Name = strings[0] });
                            }
                        }
                    }
                    row++;
                } while (last ? (row < trs.Count) : (row < flats[i + 1].Row));
            }

            foreach (var flat in flats)
            {
                Console.WriteLine(flat.Title);
                foreach (var person in flat.People)
                {
                    Console.WriteLine($"\t{person.Name} : {person.BirthDate}");
                }
                Console.WriteLine(" ");
            }

            //Console.ReadLine();
        }
    }
}