// src/Webshop.Api/Controllers/Customer/AddressesController.cs
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Security.Claims;
using System.Threading.Tasks;
using Webshop.Application.DTOs.Customers;
using Webshop.Application.Services.Customers;
using Webshop.Application.Services.Customers.Interfaces;

namespace Webshop.Api.Controllers.Customer
{
    [ApiController]
    [Route("api/v1/customer/[controller]")]
    [Authorize(Roles = "Customer")]
    public class AddressesController : ControllerBase
    {
        private readonly IAddressService _addressService;

        public AddressesController(IAddressService addressService)
        {
            _addressService = addressService;
        }

        [HttpGet]
        public async Task<ActionResult<IEnumerable<AddressDto>>> GetMyAddresses()
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var addresses = await _addressService.GetMyAddressesAsync(userId);
            return Ok(addresses);
        }

        [HttpPost]
        public async Task<ActionResult<AddressDto>> CreateAddress([FromBody] CreateAddressDto addressDto)
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var (createdAddress, errorMessage) = await _addressService.CreateAddressAsync(addressDto, userId);

            if (createdAddress == null) return BadRequest(new { Message = errorMessage });

            return CreatedAtAction(nameof(GetMyAddresses), new { id = createdAddress.Id }, createdAddress);
        }

        [HttpPut("{id}")]
        public async Task<IActionResult> UpdateAddress(Guid id, [FromBody] UpdateAddressDto addressDto)
        {
            if (id != addressDto.Id) return BadRequest("ID in URL und Body stimmen nicht überein.");
            if (!ModelState.IsValid) return BadRequest(ModelState);

            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var (success, errorMessage) = await _addressService.UpdateAddressAsync(addressDto, userId);

            if (!success) return BadRequest(new { Message = errorMessage });

            return NoContent();
        }

        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteAddress(Guid id)
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var (success, errorMessage) = await _addressService.DeleteAddressAsync(id, userId);

            if (!success) return BadRequest(new { Message = errorMessage });

            return NoContent();
        }

        [HttpPost("default-shipping/{id}")]
        public async Task<IActionResult> SetDefaultShippingAddress(Guid id)
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var (success, errorMessage) = await _addressService.SetDefaultShippingAddressAsync(id, userId);

            if (!success) return BadRequest(new { Message = errorMessage });

            return Ok();
        }

        [HttpPost("default-billing/{id}")]
        public async Task<IActionResult> SetDefaultBillingAddress(Guid id)
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var (success, errorMessage) = await _addressService.SetDefaultBillingAddressAsync(id, userId);

            if (!success) return BadRequest(new { Message = errorMessage });

            return Ok();
        }
    }
}