using Application.Endpoints;
using Application.Endpoints.Patients.Profile;
using Application.Endpoints.Patients.Registration;
using Application.Services.Database.PostgreSQL;
using Application.Services.HashingAlgorithms;
using Application.Services.Email;
using Application.Services.Jwt;
using Core.Entities;
using Microsoft.AspNetCore.Mvc;

namespace API.Controllers;

[ApiController]
[Route("api/[controller]")]
public class PatientsController : ControllerBase
{
    private readonly IHashingAlgorithms _hashingAlgorithms;
    private readonly IMedicalHistoryRepository _medicalHistory;
    private readonly IPatientRepository _patientRepository;
    private readonly IEmailService _emailService;

    public PatientsController(IPatientRepository patientRepository, IHashingAlgorithms hashingAlgorithms,
        IMedicalHistoryRepository medicalHistory, IEmailService emailService)
    {
        _patientRepository = patientRepository;
        _hashingAlgorithms = hashingAlgorithms;
        _medicalHistory = medicalHistory;
        _emailService = emailService;
    }

    [HttpGet]
    public async Task<ActionResult<BaseResponse>> GetAllPatients()
    {
        var handler = new PatientProfileHandler(_patientRepository, _hashingAlgorithms);
        var response = await handler.HandleGetAll();
        return StatusCode(response.StatusCode, response);
    }

    [HttpPost("register")]
    public async Task<ActionResult<BaseResponse>> Register(PatientRegistrationDto patientRegistrationDto)
    {
        Console.WriteLine("Esti aici");
        var handler = new PatientRegistrationHandler(_patientRepository, _hashingAlgorithms);
        var response = await handler.Handle(patientRegistrationDto).ConfigureAwait(false);

        if (response.StatusCode < HttpStatusCodes.BadRequest)
        {
            var body = _emailService.GenerateCredentialsEmailBody(
                patientRegistrationDto.Email, patientRegistrationDto.Password);
            await _emailService.SendEmailAsync(patientRegistrationDto.Email, "Successful registration!", body);
        }
        
        return StatusCode(response.StatusCode, response);
    }
    
    [HttpGet("{id}")]
    public async Task<ActionResult<BaseResponse>> GetPatient(Guid id)
    {
        var handler = new PatientProfileHandler(_patientRepository, _hashingAlgorithms);
        var response = await handler.HandleGet(id);
        return StatusCode(response.StatusCode, response);
    }

    [HttpPut]
    public async Task<ActionResult<BaseResponse>> UpdatePatientProfile(PatientProfileDto patientDto)
    {
        var handler = new PatientProfileHandler(_patientRepository, _hashingAlgorithms);
        var response = await handler.HandleUpdate(patientDto).ConfigureAwait(false);
        return StatusCode(response.StatusCode, response);
    }

    [HttpDelete("{id}")]
    public async Task<ActionResult<BaseResponse>> DeletePatientProfile(Guid id)
    {
        var handler = new PatientProfileHandler(_patientRepository, _hashingAlgorithms);
        var response = await handler.HandleDelete(id).ConfigureAwait(false);

        if (response.StatusCode < HttpStatusCodes.BadRequest) DeleteMedicalHistory(id);

        return StatusCode(response.StatusCode, response);
    }

    private async void DeleteMedicalHistory(Guid patientId)
    {
        var medicalHistoryList = await _medicalHistory.GetAllAsync();
        foreach (var med in medicalHistoryList)
            if (med.UserId == patientId)
            {
                await _medicalHistory.DeleteAsync(med);
                return;
            }
    }
}