using Application.Endpoints;
using Application.Endpoints.MedicalHistories.CreateMedicalHistory;
using Application.Endpoints.MedicalHistories.DeleteMedicalHistory;
using Application.Endpoints.MedicalHistories.ManageAuthorization;
using Application.Endpoints.MedicalHistories.ModifyMedicalHistory;
using Application.Endpoints.MedicalHistories.QuerriesMedicalHistories;
using Application.Services.Database.MongoDB;
using Application.Services.Database.PostgreSQL;
using Application.Services.Encryption;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace API.Controllers;

[ApiController]
[Route("api/[controller]")]
public class MedicalHistoryController(
    IMedicalHistoryRepository medicalHistoryRepository,
    IPatientRepository patientRepository,
    IMedicalHistoryMongoDbService medicalHistoryMongoDbService,
    IDoctorRepository doctorRepository,
    IEncryptionService encryptionService)
    : ControllerBase
{
    [Authorize(Policy = Policies.ClientsOnlyPolicy)]
    [HttpGet("{id}")]
    public async Task<ActionResult<BaseResponse>> GetMedicalHistory(Guid id, CancellationToken token)
    {
        var handler = new QuerriesMedicalHistoriesHandler(medicalHistoryRepository, encryptionService);
        var response = await handler.HandleGet(id, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.ClientsOnlyPolicy)]
    [HttpGet("user/{userId}")]
    public async Task<ActionResult<BaseResponse>> GetMedicalHistoryByUserId(Guid userId, CancellationToken token)
    {
        var handler = new QuerriesMedicalHistoriesHandler(medicalHistoryRepository, encryptionService);
        var response = await handler.HandleGetByPatientId(userId, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.ClientsOnlyPolicy)]
    [HttpGet]
    public async Task<ActionResult<BaseResponse>> GetAllMedicalHistories(CancellationToken token)
    {
        var handler = new QuerriesMedicalHistoriesHandler(medicalHistoryRepository, encryptionService);
        var response = await handler.HandleGetAll(token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.PatientPolicy)]
    [HttpPost]
    public async Task<ActionResult<BaseResponse>> CreateMedicalHistory(
        CreateMedicalHistoryCommand request, CancellationToken token)
    {
        var handler =
            new CreateMedicalHistoryHandler(medicalHistoryRepository, patientRepository,
                medicalHistoryMongoDbService, encryptionService);
        var response = await handler.Handle(request, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.ClientsOnlyPolicy)]
    [HttpPut]
    public async Task<ActionResult<BaseResponse>> ModifyMedicalHistory(
        ModifyMedicalHistoryCommand request, CancellationToken token)
    {
        var handler = new ModifyMedicalHistoryHandler(medicalHistoryRepository, encryptionService);
        var response = await handler.Handle(request, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.PatientPolicy)]
    [HttpDelete("{id}")]
    public async Task<ActionResult<BaseResponse>> DeleteMedicalHistory(Guid id, CancellationToken token)
    {
        var handler = new DeleteMedicalHistoryHandler(medicalHistoryRepository, medicalHistoryMongoDbService);
        var response = await handler.Handle(id, token);
        if (response.StatusCode == HttpStatusCodes.NoContent)
        {
            return NoContent();
        }
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.AuthenticatedPolicy)]
    [HttpPost("check_access")]
    public async Task<ActionResult<BaseResponse>> CheckAccessToMedicalHistory(
        MedicalHistoryAuthorizationInfo request, CancellationToken token)
    {
        var handler = new MedicalHistoryManageAuthorizationHandler(medicalHistoryRepository,
            medicalHistoryMongoDbService, doctorRepository);
        var response = await handler.HandleCheckAccessToMedicalHistory(request, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.PatientPolicy)]
    [HttpPut("grant_access")]
    public async Task<ActionResult<BaseResponse>> GrantAccessToMedicalHistory(
        MedicalHistoryAuthorizationInfo request, CancellationToken token)
    {
        var handler = new MedicalHistoryManageAuthorizationHandler(medicalHistoryRepository,
            medicalHistoryMongoDbService, doctorRepository);
        var response = await handler.HandleGrantDoctorAccess(request, token);
        return StatusCode(response.StatusCode, response);
    }

    [Authorize(Policy = Policies.PatientPolicy)]
    [HttpPut("revoke_access")]
    public async Task<ActionResult<BaseResponse>> RevokeAccessToMedicalHistory(
        MedicalHistoryAuthorizationInfo request, CancellationToken token)
    {
        var handler = new MedicalHistoryManageAuthorizationHandler(medicalHistoryRepository,
            medicalHistoryMongoDbService, doctorRepository);
        var response = await handler.HandleRevokeDoctorAccess(request, token);
        return StatusCode(response.StatusCode, response);
    }
}