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

namespace fivaldiHtml
{
    class Program
    {
        private static IHtmlDocument document;
        private static CloudTableClient tableClient;
        private static List<FlatData> flats;
        private static Dictionary<string, Guid> flatsAzure;
        private static UserData user;
        private static CondoMapping condo;

        private static readonly Regex flatTitle = new Regex("^[A-Z]\\s\\d{1,3}$", RegexOptions.Compiled);
        private static readonly Regex feeTitle = new Regex("^\\d{3}$", RegexOptions.Compiled);
        private static readonly Regex date = new Regex("^\\d{2}\\.\\d{2}\\.\\d{4}$", RegexOptions.Compiled);
        private static readonly Regex containsNumber = new Regex("\\d+", RegexOptions.Compiled);

        private const string CONDONAME = "Asunto Oy Hiihtomäentie 34";


        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 List<Flat> GetFlats(Guid taloyhtioPMCId, string pmsCondoName)
        {
            if (Guid.Empty.Equals(taloyhtioPMCId) || string.IsNullOrEmpty(pmsCondoName))
            {
                return null;
            }
            var table = tableClient.GetTableReference("mdbFlats");
            table.CreateIfNotExists();

            var query = table.CreateQuery<Flat>()
                .Where(d => d.PMCTaloyhtioId == taloyhtioPMCId && d.CondoPMS == pmsCondoName)
                .ToArray()
                .OrderBy(o => o.FlatTitle);

            return query.ToList();
        }

        static void Main(string[] args)
        {
            CollectData(args[0]);
            InitClient();
            condo = GetCondo(CONDONAME)[0];
            if (condo == null)
            {
                return;
            }
            flatsAzure = GetFlats(condo.TaloyhtioPMCId, CONDONAME).ToDictionary(x => x.FlatTitle, x => x.Id);
            SaveFees();
        }

        private static void SaveFees()
        {
            var table = tableClient.GetTableReference("mdbMaintenanceFees");
            table.CreateIfNotExists();

            flats.Where(flat => flatsAzure.ContainsKey(flat.Title)).ToList().ForEach(flat =>
            {
                flat.Users.ForEach(user =>
                {
                    user.Fees.ForEach(feeRec =>
                    {
                        var fee = new MaintenanceFee(Guid.NewGuid())
                        {
                            Payer = user.Name.Replace(",", ""),
                            FlatTitle = flat.Title,
                            FlatId = flatsAzure[flat.Title],
                            PaymentType = feeRec.Name,
                            PMSCondoName = condo.PMSCondoName,
                            PMCTaloyhtioId = condo.TaloyhtioPMCId,
                            PeriodOfTime = "202008",
                            Fee = Convert.ToDouble(feeRec.Amount),

                            PartitionKey = user.Name.Replace("/", ""),
                        };

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


        private static void CollectData(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() == "" || !flatTitle.IsMatch(tdFlat))
                    continue;

                // got flat row
                var flat = flats.FirstOrDefault(f => f.Title.Equals(tdFlat));
                if (flat == null)
                {
                    flats.Add(flat = new FlatData { Title = tdFlat });
                }

                var userName = tds[7].TextContent;
                flat.Users.Add(user = new UserData { Name = userName, Row = i });
            }

            foreach (var flat in flats)
            {
                foreach (var user in flat.Users)
                {
                    var row = user.Row;
                    while (true)
                    {
                        var tr = trs[row];
                        var tds = tr.QuerySelectorAll("td").ToList();
                        if (tds.Count < 2)
                        {
                            row++;
                            continue;
                        }
                        var tdTitle = tds[1].TextContent.Trim();
                        if (feeTitle.IsMatch(tdTitle))
                        {
                            var feeName = tds[3].TextContent.Trim();
                            var amount = tds[5].TextContent.Trim();
                            user.Fees.Add(new FeeData { Name = feeName, Amount = amount });
                        }
                        if (tdTitle.Equals("Yhteensä"))
                        {
                            break;
                        }
                        row++;
                    }
                }
            }
        }
    }
}