using qtc_api.Services.ContactService;
using System.Security.Claims;

namespace qtc_api.Controllers
{
    [Route("api/contacts")]
    [ApiController]
    public class ContactController : ControllerBase
    {
        private IContactService _contactService;
        private IHubContext<ChatHub> _chatGwContext;

        public ContactController(IContactService contactService, IHubContext<ChatHub> chatGwContext)
        {
            _contactService = contactService;
            _chatGwContext = chatGwContext;
        }

        [HttpPost("add-contact")]
        [Authorize]
        public async Task<ActionResult<ServiceResponse<Contact>>> AddContact(string userId)
        {
            var identity = HttpContext.User.Identity as ClaimsIdentity;

            if (identity != null)
            {
                IEnumerable<Claim> claims = identity.Claims;
                var ownerId = claims.First().Value;

                var result = await _contactService.CreateContact(ownerId, userId);

                // refresh contacts list for both users
                await _chatGwContext.Clients.User(userId).SendAsync("RefreshContactsList");
                await _chatGwContext.Clients.User(ownerId).SendAsync("RefreshContactsList");

                return Ok(result);
            }

            return Unauthorized();
        }

        [HttpPost("approve-contact")]
        [Authorize]
        public async Task<ActionResult<ServiceResponse<bool>>> ApproveContact(string userId)
        {
            var identity = HttpContext.User.Identity as ClaimsIdentity;

            if (identity != null)
            {
                IEnumerable<Claim> claims = identity.Claims;
                var ownerId = claims.First().Value;

                var result = await _contactService.UpdateContactStatus(ownerId, userId, Contact.ContactStatus.Accepted, Contact.ContactStatus.Accepted);

                // refresh contacts list for both users
                await _chatGwContext.Clients.User(userId).SendAsync("RefreshContactsList");
                await _chatGwContext.Clients.User(ownerId).SendAsync("RefreshContactsList");

                return Ok(result);
            }

            return Unauthorized();
        }

        [HttpDelete("remove-contact")]
        [Authorize]
        public async Task<ActionResult<ServiceResponse<Contact>>> RemoveContact(string userId)
        {
            var identity = HttpContext.User.Identity as ClaimsIdentity;

            if (identity != null)
            {
                IEnumerable<Claim> claims = identity.Claims;
                var ownerId = claims.First().Value;

                var response = await _contactService.DeleteContact(ownerId, userId);

                // refresh contacts list for both users
                await _chatGwContext.Clients.User(userId).SendAsync("RefreshContactsList");
                await _chatGwContext.Clients.User(ownerId).SendAsync("RefreshContactsList");

                return Ok(response);
            }

            return Unauthorized();
        }

        [HttpGet("get-user-contacts")]
        [Authorize]
        public async Task<ActionResult<ServiceResponse<List<Contact>>>> GetUserContacts(User user)
        {
            var result = await _contactService.GetUserContacts(user);
            return Ok(result);
        }
    }
}