using MagicCarpetContracts.Enums;
using MagicCarpetContracts.Exceptions;
using MagicCarpetContracts.Extensions;
using MagicCarpetContracts.Infrastructure;
using MagicCarpetContracts.Infrastructure.PostConfigurations;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using MagicCarpetContracts.Resources;
using Microsoft.Extensions.Localization;
using MagicCarpetContracts.Mapper;

namespace MagicCarpetContracts.DataModels;

internal class PostDataModel(string postId, string postName, PostType postType, PostConfiguration configuration) : IValidation
{
    [AlternativeName("PostId")]
    public string Id { get; private set; } = postId;
    public string PostName { get; private set; } = postName;
    public PostType PostType { get; private set; } = postType;

    [AlternativeName("Configuration")]
    [AlternativeName("ConfigurationJson")]
    [PostProcessing(MappingCallMethodName = "ParseJson")]
    public PostConfiguration ConfigurationModel { get; private set; } = configuration;

    public PostDataModel() : this(string.Empty, string.Empty, PostType.None, null) { }
    public PostDataModel(string postId, string postName) : this(postId, postName, PostType.None, new PostConfiguration() { Rate = 10 }) { }

    public void Validate(IStringLocalizer<Messages> localizer)
    {
        if (Id.IsEmpty())
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageEmptyField"], "Id"));

        if (!Id.IsGuid())
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageNotAId"], "Id"));

        if (PostName.IsEmpty())
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageEmptyField"], "PostName"));

        if (PostType == PostType.None)
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageEmptyField"], "PostType"));

        if (ConfigurationModel is null)
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageNotInitialized"], "ConfigurationModel"));

        if (ConfigurationModel!.Rate <= 0)
            throw new ValidationException(string.Format(localizer["ValidationExceptionMessageLessOrEqualZero"], "Rate"));
    }

    private PostConfiguration? ParseJson(object json)
    {
        if (json is PostConfiguration config)
        {
            return config;
        }
        if (json is string)
        {

            var obj = JToken.Parse((string)json);
            var type = obj.Value<string>("Type");
            switch (type)
            {
                case nameof(TravelAgentPostConfiguration):
                    ConfigurationModel = JsonConvert.DeserializeObject<TravelAgentPostConfiguration>((string)json);
                    break;
                case nameof(ChiefPostConfiguration):
                    ConfigurationModel = JsonConvert.DeserializeObject<ChiefPostConfiguration>((string)json);
                    break;
                default:
                    ConfigurationModel = JsonConvert.DeserializeObject<PostConfiguration>((string)json);
                    break;
            }
            return ConfigurationModel;
        }
        return null;
    }
}