using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using eprintServer.Services;
using eprintServer.Responses;
using eprintServer.Requests;
using eprintServer.Enums;
using eprintServer.Entities;


namespace eprintServer.Controllers;

[ApiController]
[Route("api/v1/customers")]
[Authorize(Roles = "ADMIN,SUB_ADMIN")]
public class CustomersController : ControllerBase
{
    private readonly UserService _userService;

    public CustomersController(UserService userService, SubAdminService subAdminService)
    {
        _userService = userService;
    }


    [HttpGet("get_all_customers")]
    public async Task<ActionResult<PagedResult<User>>> GetSubAdmins(
            [FromQuery] int page = 0,
            [FromQuery] int size = 5,
            [FromQuery] string? search = null)
    {
        try
        {

            var pagedResult = await _userService.GetPagedUsersByCriteriaAsync(
                page: page,
                size: size,
                role: RoleEnum.ROLE_USER,
                search
            );

            return Ok(pagedResult);
        }
        catch (Exception e)
        {
            return StatusCode(StatusCodes.Status406NotAcceptable, $"An error occurred while fetching Users: {e.Message}");
        }
    }

    [HttpPatch("toggle-active/{userId}")]
    public async Task<ActionResult<User>> ToggleActive(long userId)
    {
        try
        {
            var updatedUser = await _userService.ToggleUserActiveStatusAsync(userId);

            if (updatedUser == null)
            {
                return NotFound($"User with ID {userId} not found.");
            }

            return Ok(updatedUser);
        }
        catch (Exception e)
        {
            return StatusCode(StatusCodes.Status406NotAcceptable,
                $"An error occurred while toggling user status: {e.Message}");
        }
    }


    [HttpPatch("customer-basic-info/{id}")]
    public async Task<IActionResult> UpdateBasicInfo(long id, [FromBody] UpdateUserBasicInfoRequest request)
    {
        try
        {
            var (updatedUser, error) = await _userService.UpdateUserBasicInfoAsync(id, request);

            if (error != null)
            {
                if (error == "User not found") return NotFound(error);

                // Return 406 Status for existing data as requested
                if (error == "EMAIL_EXISTS") return StatusCode(StatusCodes.Status406NotAcceptable, "Email already exists");
                if (error == "PHONE_EXISTS") return StatusCode(StatusCodes.Status406NotAcceptable, "Phone number already exists");
            }

            return Ok(updatedUser);
        }
        catch (Exception e)
        {
            return StatusCode(StatusCodes.Status500InternalServerError, $"An error occurred: {e.Message}");
        }
    }


}