using AutoMapper;
using Azure;
using DamageAssesment.Api.DocuLinks.Db;
using DamageAssesment.Api.DocuLinks.Interfaces;
using DamageAssesment.Api.DocuLinks.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.EntityFrameworkCore.Metadata.Internal;
using System.Diagnostics.Metrics;
using System.Net.Http;
using System.Security.AccessControl;
using System.Security.Principal;

namespace DamageAssesment.Api.DocuLinks.Providers
{
    public class UploadService : IUploadService
    {
        private ILogger<UploadService> logger;
        private IMapper mapper;
        private string uploadpath = "";
        private string Deletepath = "";
        public UploadService(IConfiguration configuration, ILogger<UploadService> logger, IMapper mapper)
        {
            this.logger = logger;
            this.mapper = mapper;
            uploadpath = configuration.GetValue<string>("Fileupload:folderpath");
            Deletepath = configuration.GetValue<string>("Fileupload:Deletepath");
        }
        public async Task<string> GetFile(string path)
        {
            try
            {
                if (System.IO.File.Exists(path))
                {
                    return path;
                }

                return null; // File not found
            }
            catch (Exception ex)
            {
                // Handle or log the exception as needed
                throw;
            }

        }
        public async Task<byte[]> DownloadFile(string path)
        {
            try
            {
                if (System.IO.File.Exists(path))
                {
                    return await System.IO.File.ReadAllBytesAsync(path);
                }

                return null; // File not found
            }
            catch (Exception ex)
            {
                // Handle or log the exception as needed
                throw;
            }
        }

        public Models.Doculink UploadDocument(int counter, ReqDoculink documentInfo)
        {
            Models.Doculink Documents = new Models.Doculink();
            List<Models.DoculinkAttachments> attachments = new List<Models.DoculinkAttachments>();
            try 
            {
                string path = "", UserfileName="";
                var fullDirectoryPath = Path.Combine(Directory.GetCurrentDirectory(), uploadpath);
                if (!Directory.Exists(fullDirectoryPath)) //Create deirectory if does not exist
                    Directory.CreateDirectory(fullDirectoryPath);
                if (documentInfo.Files != null)
                {

                    foreach (var item in documentInfo.Files)
                    {
                        counter++;
                        if (item.IsAttachments)
                        {
                            UserfileName = Path.GetFileName(item.FileName + item.FileExtension);
                            var fileName = String.Format("Document_{0}{1}", counter, item.FileExtension);
                            path = Path.Combine(fullDirectoryPath, fileName);
                            File.WriteAllBytes(path, Convert.FromBase64String(item.FileContent));
                        }
                        else
                            path = item.url;
                        attachments.Add(new Models.DoculinkAttachments { docName=UserfileName,Path=path,IsAttachments=item.IsAttachments,CustomOrder=item.CustomOrder,Language=item.Language });
                    }
                }
                Documents=new Models.Doculink (){ linkTypeId = documentInfo.linkTypeId,
                    documentsTranslations = documentInfo.documentsTranslations,doclinksAttachments=attachments,
                    IsDeleted=false,CustomOrder=documentInfo.CustomOrder, IsActive =documentInfo.IsActive
                };
            
                return Documents;
            }
            catch (Exception ex) {
                return new Models.Doculink();
            }

           
        }
        public Models.Doculink UpdateDocuments(int counter, Models.Doculink document, ReqDoculink documentInfo)
        {
            try
            {
                foreach (var item in document.doclinksAttachments)
                {
                    Movefile(item.Path);
                }
                var fullDirectoryPath = Path.Combine(Directory.GetCurrentDirectory(), uploadpath);
                if (!Directory.Exists(fullDirectoryPath)) //Create deirectory if does not exist
                    Directory.CreateDirectory(fullDirectoryPath);

                string path = "", UserfileName = "";
                List<Models.DoculinkAttachments> attachments = new List<Models.DoculinkAttachments>();
                int counter1 = 1;
                foreach (var item in documentInfo.Files)
                {
                    if (item.IsAttachments)
                    {
                        UserfileName = Path.GetFileName(item.FileName+item.FileExtension);
                        var fileName = String.Format("Document_{0}_{1}{2}", document.Id, counter1, item.FileExtension);
                        path = Path.Combine(fullDirectoryPath, fileName);
                        File.WriteAllBytes(path, Convert.FromBase64String(item.FileContent));
                        counter1++;
                    }
                    else
                        path = item.url;
                    attachments.Add(new Models.DoculinkAttachments { docName = UserfileName, Path = path,IsAttachments=item.IsAttachments,CustomOrder=item.CustomOrder,Language=item.Language });
                }
                Models.Doculink Documents = new Models.Doculink()
                {
                    Id = documentInfo.Id,
                    linkTypeId = documentInfo.linkTypeId,
                    documentsTranslations=documentInfo.documentsTranslations,
                    IsActive = documentInfo.IsActive,
                    IsDeleted=false,
                    CustomOrder = documentInfo.CustomOrder,
                    doclinksAttachments = attachments
                };

                return Documents;
            }

             catch (Exception ex) {
                return new Models.Doculink();
            }
        }
        public void Deletefile(string path)
        {
            if (path != "")
            {
                FileInfo file = new FileInfo(path);
                if (file?.Exists??false)//check file exsit or not  
                {
                    file.Delete();
                }
            }
        }
        public void Movefile(string path)
        {
            if (path != "")
            {
                var pathToSave = Path.Combine(Directory.GetCurrentDirectory(), Deletepath);
                if (!Directory.Exists(pathToSave)) //Create deirectory if does not exist
                    Directory.CreateDirectory(pathToSave);
                FileInfo file = new FileInfo(path);
                if (file?.Exists ?? false)//check file exsit or not  
                {
                    string filename = file.Name.Replace(file.Extension, " ") + DateTime.Now.ToShortDateString().Replace("/","_") + file.Extension;
                    file.MoveTo(pathToSave+"\\"+ filename);
                }
            }
        }
    }
}