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;

namespace MagicCarpetContracts.DataModels;

public class PostDataModel(string postId, string postName, PostType postType, PostConfiguration configuration) : IValidation
{
    public string Id { get; private set; } = postId;
    public string PostName { get; private set; } = postName;
    public PostType PostType { get; private set; } = postType;
    public PostConfiguration ConfigurationModel { get; private set; } = configuration;

    public PostDataModel(string postId, string postName, PostType postType, string configurationJson) : this(postId, postName, postType, (PostConfiguration)null)
    {
        var obj = JToken.Parse(configurationJson);
        if (obj is not null)
        {
            ConfigurationModel = obj.Value<string>("Type") switch
            {
                nameof(TravelAgentPostConfiguration) => JsonConvert.DeserializeObject<TravelAgentPostConfiguration>(configurationJson)!,
                nameof(ChiefPostConfiguration) => JsonConvert.DeserializeObject<ChiefPostConfiguration>(configurationJson)!,
                _ => JsonConvert.DeserializeObject<PostConfiguration>(configurationJson)!,
            };
        }
    }

    public void Validate()
    {
        if (Id.IsEmpty())
            throw new ValidationException("Field Id is empty");
        if (!Id.IsGuid())
            throw new ValidationException("The value in the field Id is not a unique identifier");
        if (PostName.IsEmpty())
            throw new ValidationException("Field PostName is empty");
        if (PostType == PostType.None)
            throw new ValidationException("Field PostType is empty");
        if (ConfigurationModel is null)
            throw new ValidationException("Field ConfigurationModel is not initialized");
        if (ConfigurationModel!.Rate <= 0)
            throw new ValidationException("Field Rate is less or equal zero");
    }
}