using Diligent.WebAPI.Contracts.DTOs.File;
using Diligent.WebAPI.Contracts.DTOs.Files;
using Diligent.WebAPI.Host.Methods;

namespace Diligent.WebAPI.Host.Controllers.V1
{
    [ApiVersion("1.0")]
    [Route("v{version:apiVersion}/files")]
    [ApiController]
    public class FilesController : ControllerBase
    {
        private readonly ICategoryService _categoryService;
        private readonly ITagService _tagService;
        private readonly IFileEntityService _fileEntityService;
        private readonly IDocumentService _documentService;
        private readonly Microsoft.AspNetCore.Hosting.IHostingEnvironment _hostingEnvironment;

        public FilesController(Microsoft.AspNetCore.Hosting.IHostingEnvironment hostingEnvironment, IFileEntityService fileEntityService, ICategoryService categoryService, ITagService tagService, IDocumentService documentService)
        {
            _hostingEnvironment = hostingEnvironment;
            _fileEntityService = fileEntityService;
            _categoryService = categoryService;
            _tagService = tagService;
            _documentService = documentService;
        }

        [HttpGet]
        public async Task<IActionResult> GetAll() => Ok(await _fileEntityService.GetAll());

        [HttpGet("filterByContent")]
        public async Task<IActionResult> GetAllDocumentsByContent(string content) => Ok(await _fileEntityService.GetAllFilesBasedOnContent(content));

        [HttpGet("filtered")]
        public async Task<IActionResult> GetAllFiltered([FromQuery] FileFilter filters) => Ok(await _fileEntityService.GetAllFiltered(filters));

        [HttpPost]
        public async Task<IActionResult> UploadPdf([FromForm] CreateFileRequest request)
        {
            if (request == null) throw new BadHttpRequestException("Request cannot be null");
            var filePath = await Upload.SaveFile(_hostingEnvironment.ContentRootPath, request.FileToUpload, "files");

            var category = await _categoryService.GetCategoryEntityById(request.CategoryId);

            if (category == null) throw new BadHttpRequestException("Category cannot found");

            List<Tag> tags = new();
            foreach (var id in request.TagsIds)
                tags.Add(await _tagService.GetTagEntityById(id));

            var file = await _documentService.UploadDocument(request.FileToUpload);

            await _fileEntityService.UploadPdfAsync(new FileEntity { CategoryId = request.CategoryId, DocumentId = file.stream_id, Category = category, Tags = tags, Title = request.Title});
            return Ok();
        }
    }
}