using Microsoft.Extensions.Configuration;
using Phares.Shared;
using Serilog;
using System.Text.Json;
using View_by_Distance.Person.Models;
using View_by_Distance.Shared.Models;
using View_by_Distance.Shared.Models.Stateless.Methods;

namespace View_by_Distance.Person;

public class Person
{

    private readonly AppSettings _AppSettings;
    private readonly string _WorkingDirectory;
    private readonly IsEnvironment _IsEnvironment;
    private readonly Configuration _Configuration;
    private readonly IConfigurationRoot _ConfigurationRoot;
    private readonly Property.Models.Configuration _PropertyConfiguration;

    public Person(List<string> args, IsEnvironment isEnvironment, IConfigurationRoot configurationRoot, AppSettings appSettings, string workingDirectory, bool isSilent, Shared.Models.Methods.IConsole console)
    {
        if (isSilent)
        { }
        if (console is null)
        { }
        _AppSettings = appSettings;
        _IsEnvironment = isEnvironment;
        long ticks = DateTime.Now.Ticks;
        _WorkingDirectory = workingDirectory;
        _ConfigurationRoot = configurationRoot;
        ILogger? log = Log.ForContext<Person>();
        Property.Models.Configuration propertyConfiguration = Property.Models.Binder.Configuration.Get(isEnvironment, configurationRoot);
        Configuration configuration = Models.Binder.Configuration.Get(isEnvironment, configurationRoot, propertyConfiguration);
        _PropertyConfiguration = propertyConfiguration;
        _Configuration = configuration;
        propertyConfiguration.Update();
        string? comparePathRoot = Path.GetDirectoryName(configuration.SaveDirectory);
        if (comparePathRoot is null || comparePathRoot == propertyConfiguration.RootDirectory)
            throw new Exception("Nested isn't allowed!");
        if (!Directory.Exists(configuration.SaveDirectory))
            _ = Directory.CreateDirectory(configuration.SaveDirectory);
        log.Information(propertyConfiguration.RootDirectory);
        Verify();
        Loop(ticks, log);
    }

    private void Verify()
    {
        if (_AppSettings is null)
        { }
        if (_IsEnvironment is null)
        { }
        if (_Configuration is null)
        { }
        if (_ConfigurationRoot is null)
        { }
        if (_WorkingDirectory is null)
        { }
        if (_PropertyConfiguration is null)
        { }
    }

    private void Loop(long ticks, ILogger log)
    {
        Uri uri;
        HttpClient httpClient = new();
        string fileName;
        Task<byte[]> task;
        int age;
        string json;
        string code;
        string? day;
        string alias;
        string? line;
        string? year;
        string? month;
        bool deceased;
        ConsoleKey sex;
        long personKey;
        string? lastName;
        string middleName;
        string? firstName;
        DateTime? dateTime;
        PersonName personName;
        string checkDirectory;
        ConsoleKey? consoleKey;
        string? approximateYears;
        string personKeyFormatted;
        string personDisplayDirectory;
        log.Information($"Ready to create / update a person? [{ticks}]");
        for (int y = 0; y < int.MaxValue; y++)
        {
            log.Information("Press \"Y\" key to continue, \"N\" key exit or close console");
            consoleKey = System.Console.ReadKey().Key;
            log.Information(". . .");
            if (consoleKey is not ConsoleKey.Y and not ConsoleKey.N)
                break;
            firstName = null;
            for (int f = 0; f < 5; f++)
            {
                log.Information("Enter persons first name (minimum length of two characters)");
                line = System.Console.ReadLine();
                log.Information(". . .");
                if (string.IsNullOrEmpty(line) || line.Length < 2)
                    continue;
                firstName = line;
                break;
            }
            if (firstName is null)
                continue;
            lastName = null;
            for (int f = 0; f < 5; f++)
            {
                log.Information("Enter persons last name (minimum length of two characters)");
                line = System.Console.ReadLine();
                log.Information(". . .");
                if (string.IsNullOrEmpty(line) || line.Length < 2)
                    continue;
                lastName = line;
                break;
            }
            if (lastName is null)
                continue;
            log.Information("Enter persons middle name (press enter if they don't have a middle name)");
            line = System.Console.ReadLine();
            log.Information(". . .");
            middleName = string.IsNullOrEmpty(line) ? string.Empty : line;
            log.Information("Enter persons alias (press enter if they don't have a alias)");
            line = System.Console.ReadLine();
            log.Information(". . .");
            alias = string.IsNullOrEmpty(line) ? string.Empty : line;
            personName = new(new(firstName), new(middleName), new(lastName), new(alias));
            json = JsonSerializer.Serialize(personName, new JsonSerializerOptions { WriteIndented = true });
            log.Information("Is the person \"M\" (Male), \"F\" (Female) or \"U\" (Unknown)");
            consoleKey = System.Console.ReadKey().Key;
            log.Information(". . .");
            if (consoleKey is not ConsoleKey.M and not ConsoleKey.F and not ConsoleKey.U)
                continue;
            sex = consoleKey.Value;
            log.Information("Is the person deceased \"Y\" or \"N\"");
            consoleKey = System.Console.ReadKey().Key;
            log.Information(". . .");
            if (consoleKey is not ConsoleKey.Y and not ConsoleKey.N)
                continue;
            deceased = consoleKey == ConsoleKey.Y;
            dateTime = null;
            approximateYears = null;
            for (int f = 0; f < 5; f++)
            {
                day = null;
                year = null;
                month = null;
                approximateYears = null;
                log.Information("Enter persons birthday month (press enter if not known) [MMMM || MMM || MM || M]");
                line = System.Console.ReadLine();
                log.Information(". . .");
                if (!string.IsNullOrEmpty(line))
                    month = line;
                else
                {
                    log.Information("Enter persons approximate age");
                    line = System.Console.ReadLine();
                    log.Information(". . .");
                    if (string.IsNullOrEmpty(line) || !int.TryParse(line, out _))
                        continue;
                    approximateYears = line;
                }
                log.Information("Enter persons birthday day (press enter if not known)");
                line = System.Console.ReadLine();
                log.Information(". . .");
                if (!string.IsNullOrEmpty(line))
                    day = line;
                else
                {
                    log.Information("Enter persons approximate age");
                    line = System.Console.ReadLine();
                    log.Information(". . .");
                    if (string.IsNullOrEmpty(line) || !int.TryParse(line, out _))
                        continue;
                    approximateYears = line;
                }
                log.Information("Enter persons birthday year (press enter if not known)");
                line = System.Console.ReadLine();
                log.Information(". . .");
                if (!string.IsNullOrEmpty(line))
                    year = line;
                else
                {
                    log.Information("Enter persons approximate age");
                    line = System.Console.ReadLine();
                    log.Information(". . .");
                    if (string.IsNullOrEmpty(line) || !int.TryParse(line, out _))
                        continue;
                    approximateYears = line;
                }
                if (month is null || day is null || year is null)
                    dateTime = null;
                else
                {
                    dateTime = IPersonBirthday.GetDate(month, day, year);
                    if (dateTime is not null)
                    {
                        (age, _) = IAge.GetAge(new DateTime(ticks).Ticks, dateTime.Value);
                        approximateYears = age.ToString();
                    }
                }
                if (approximateYears is null && (dateTime is null || dateTime == DateTime.MinValue))
                    continue;
                break;
            }
            if (approximateYears is null)
                continue;
            personDisplayDirectory = Path.Combine(_Configuration.SaveDirectory, ticks.ToString(), $"{personName.First.Value} {personName.Last.Value}~{approximateYears}");
            if (!Directory.Exists(personDisplayDirectory))
                _ = Directory.CreateDirectory(personDisplayDirectory);
            log.Information("Enter url to download an image (press enter if none)");
            line = System.Console.ReadLine();
            log.Information(". . .");
            if (!string.IsNullOrEmpty(line))
            {
                uri = new(line);
                if (uri.HostNameType != UriHostNameType.Dns)
                    continue;
                task = httpClient.GetByteArrayAsync(uri);
                fileName = Path.Combine(personDisplayDirectory, Path.GetFileName(uri.LocalPath));
                File.WriteAllBytes(fileName, task.Result);
            }
            if (dateTime is null)
                personKeyFormatted = "2";
            else
            {
                personKey = dateTime.Value.Ticks;
                if (deceased)
                    code = sex is ConsoleKey.M ? "05" : sex is ConsoleKey.F ? "04" : sex is ConsoleKey.U ? "02" : throw new NotImplementedException();
                else
                    code = sex is ConsoleKey.M ? "15" : sex is ConsoleKey.F ? "14" : sex is ConsoleKey.U ? "03" : throw new NotImplementedException();
                personKeyFormatted = $"{IPersonBirthday.GetFormatted(_Configuration.PersonBirthdayFormat, personKey)[..^2]}{code}";
            }
            checkDirectory = Path.Combine(personDisplayDirectory, personKeyFormatted);
            log.Information($"Working directory <{checkDirectory}>");
            if (!Directory.Exists(checkDirectory))
                _ = Directory.CreateDirectory(checkDirectory);
            _ = IPath.WriteAllText(Path.Combine(checkDirectory, $"{personKeyFormatted}.json"), json, updateDateWhenMatches: false, compareBeforeWrite: true);
        }
        log.Information(". . .");
    }

}