using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Json;
using Bit.Core.Entities;
using Bit.Core.Enums;
using Bit.Core.Models.Api;
using Bit.Core.Models.Data;
using Bit.Core.Settings;
using Core.Models.Data;

namespace Bit.Api.Models.Response
{
    public class CipherMiniResponseModel : ResponseModel
    {
        public CipherMiniResponseModel(Cipher cipher, IGlobalSettings globalSettings, bool orgUseTotp, string obj = "cipherMini")
            : base(obj)
        {
            if (cipher == null)
            {
                throw new ArgumentNullException(nameof(cipher));
            }

            Id = cipher.Id.ToString();
            Type = cipher.Type;

            CipherData cipherData;
            switch (cipher.Type)
            {
                case CipherType.Login:
                    var loginData = JsonSerializer.Deserialize<CipherLoginData>(cipher.Data);
                    cipherData = loginData;
                    Data = loginData;
                    Login = new CipherLoginModel(loginData);
                    break;
                case CipherType.SecureNote:
                    var secureNoteData = JsonSerializer.Deserialize<CipherSecureNoteData>(cipher.Data);
                    Data = secureNoteData;
                    cipherData = secureNoteData;
                    SecureNote = new CipherSecureNoteModel(secureNoteData);
                    break;
                case CipherType.Card:
                    var cardData = JsonSerializer.Deserialize<CipherCardData>(cipher.Data);
                    Data = cardData;
                    cipherData = cardData;
                    Card = new CipherCardModel(cardData);
                    break;
                case CipherType.Identity:
                    var identityData = JsonSerializer.Deserialize<CipherIdentityData>(cipher.Data);
                    Data = identityData;
                    cipherData = identityData;
                    Identity = new CipherIdentityModel(identityData);
                    break;
                default:
                    throw new ArgumentException("Unsupported " + nameof(Type) + ".");
            }

            Name = cipherData.Name;
            Notes = cipherData.Notes;
            Fields = cipherData.Fields?.Select(f => new CipherFieldModel(f));
            PasswordHistory = cipherData.PasswordHistory?.Select(ph => new CipherPasswordHistoryModel(ph));
            RevisionDate = cipher.RevisionDate;
            OrganizationId = cipher.OrganizationId?.ToString();
            Attachments = AttachmentResponseModel.FromCipher(cipher, globalSettings);
            OrganizationUseTotp = orgUseTotp;
            DeletedDate = cipher.DeletedDate;
            Reprompt = cipher.Reprompt.GetValueOrDefault(CipherRepromptType.None);
        }

        public string Id { get; set; }
        public string OrganizationId { get; set; }
        public CipherType Type { get; set; }
        public dynamic Data { get; set; }
        public string Name { get; set; }
        public string Notes { get; set; }
        public CipherLoginModel Login { get; set; }
        public CipherCardModel Card { get; set; }
        public CipherIdentityModel Identity { get; set; }
        public CipherSecureNoteModel SecureNote { get; set; }
        public IEnumerable<CipherFieldModel> Fields { get; set; }
        public IEnumerable<CipherPasswordHistoryModel> PasswordHistory { get; set; }
        public IEnumerable<AttachmentResponseModel> Attachments { get; set; }
        public bool OrganizationUseTotp { get; set; }
        public DateTime RevisionDate { get; set; }
        public DateTime? DeletedDate { get; set; }
        public CipherRepromptType Reprompt { get; set; }
    }

    public class CipherResponseModel : CipherMiniResponseModel
    {
        public CipherResponseModel(CipherDetails cipher, IGlobalSettings globalSettings, string obj = "cipher")
            : base(cipher, globalSettings, cipher.OrganizationUseTotp, obj)
        {
            FolderId = cipher.FolderId?.ToString();
            Favorite = cipher.Favorite;
            Edit = cipher.Edit;
            ViewPassword = cipher.ViewPassword;
        }

        public string FolderId { get; set; }
        public bool Favorite { get; set; }
        public bool Edit { get; set; }
        public bool ViewPassword { get; set; }
    }

    public class CipherDetailsResponseModel : CipherResponseModel
    {
        public CipherDetailsResponseModel(CipherDetails cipher, GlobalSettings globalSettings,
            IDictionary<Guid, IGrouping<Guid, CollectionCipher>> collectionCiphers, string obj = "cipherDetails")
            : base(cipher, globalSettings, obj)
        {
            if (collectionCiphers?.ContainsKey(cipher.Id) ?? false)
            {
                CollectionIds = collectionCiphers[cipher.Id].Select(c => c.CollectionId);
            }
            else
            {
                CollectionIds = new Guid[] { };
            }
        }

        public CipherDetailsResponseModel(CipherDetails cipher, GlobalSettings globalSettings,
            IEnumerable<CollectionCipher> collectionCiphers, string obj = "cipherDetails")
            : base(cipher, globalSettings, obj)
        {
            CollectionIds = collectionCiphers?.Select(c => c.CollectionId) ?? new List<Guid>();
        }

        public IEnumerable<Guid> CollectionIds { get; set; }
    }

    public class CipherMiniDetailsResponseModel : CipherMiniResponseModel
    {
        public CipherMiniDetailsResponseModel(Cipher cipher, GlobalSettings globalSettings,
            IDictionary<Guid, IGrouping<Guid, CollectionCipher>> collectionCiphers, bool orgUseTotp, string obj = "cipherMiniDetails")
            : base(cipher, globalSettings, orgUseTotp, obj)
        {
            if (collectionCiphers?.ContainsKey(cipher.Id) ?? false)
            {
                CollectionIds = collectionCiphers[cipher.Id].Select(c => c.CollectionId);
            }
            else
            {
                CollectionIds = new Guid[] { };
            }
        }

        public IEnumerable<Guid> CollectionIds { get; set; }
    }
}