using System.Threading;
using System.Threading.Tasks;
using InternshipSystem.Api.Security;
using InternshipSystem.Core.ValueObject;
using InternshipSystem.Repository;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace InternshipSystem.Api.Controllers
{
    [Route("internship/report")]
    public class ReportController : ControllerBase
    {
        private readonly InternshipDbContext _context;

        public ReportController(InternshipDbContext context)
        {
            _context = context;
        }
        
        [HttpPost]
        [Authorize(Policy = Policies.RegisteredOnly)]
        public async Task<ActionResult> PostReport([FromBody] JObject reportValue, [FromServices] User user, CancellationToken ct)
        {
            var edition = await _context.Editions
                .FindAsync(user.EditionId);
            
            var internship = await _context.Entry(edition)
                .Collection(e => e.Internships)
                .Query()
                .Include(i => i.Report)
                .Include(i => i.Documentation)
                .SingleAsync(i => i.Student.Id == user.PersonNumber, ct);

            internship.Report.UpdateReport(reportValue.ToString(Formatting.None));
            internship.AddNewDocument("", DocumentType.InternshipEvaluation);
            
            await _context.SaveChangesAsync(ct);

            return Ok();
        }
        
        [HttpGet]
        [Authorize(Policy = Policies.RegisteredOnly)]
        public async Task<ActionResult> GetReport([FromServices] User user, CancellationToken ct)
        {
            var edition = await _context.Editions
                .FindAsync(user.EditionId);
            
            var internship = await _context.Entry(edition)
                .Collection(e => e.Internships)
                .Query()
                .Include(i => i.Report)
                .SingleAsync(i => i.Student.Id == user.PersonNumber, ct);

            return Ok(JsonConvert.DeserializeObject(internship.Report.Value));
        }
    }
}