// src/Webshop.Api/Controllers/Admin/AdminPaymentMethodsController.cs
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Webshop.Application.DTOs.Payments; // AdminPaymentMethodDto
using Webshop.Application.Services.Admin; // IAdminPaymentMethodService

namespace Webshop.Api.Controllers.Admin
{
    [ApiController]
    [Route("api/v1/admin/[controller]")] // Saubere Route
    [Authorize(Roles = "Admin")] // Nur Admins
    public class AdminPaymentMethodsController : ControllerBase
    {
        private readonly IAdminPaymentMethodService _adminPaymentMethodService;

        public AdminPaymentMethodsController(IAdminPaymentMethodService adminPaymentMethodService)
        {
            _adminPaymentMethodService = adminPaymentMethodService;
        }

        [HttpGet]
        public async Task<ActionResult<IEnumerable<AdminPaymentMethodDto>>> GetAllPaymentMethods()
        {
            var paymentMethods = await _adminPaymentMethodService.GetAllAsync();
            return Ok(paymentMethods);
        }

        [HttpGet("{id}")]
        public async Task<ActionResult<AdminPaymentMethodDto>> GetPaymentMethodById(Guid id)
        {
            var paymentMethod = await _adminPaymentMethodService.GetByIdAsync(id);
            if (paymentMethod == null) return NotFound();
            return Ok(paymentMethod);
        }

        [HttpPost]
        public async Task<ActionResult<AdminPaymentMethodDto>> CreatePaymentMethod([FromBody] AdminPaymentMethodDto paymentMethodDto)
        {
            if (!ModelState.IsValid) return BadRequest(ModelState);
            var createdPaymentMethod = await _adminPaymentMethodService.CreateAsync(paymentMethodDto);
            return CreatedAtAction(nameof(GetPaymentMethodById), new { id = createdPaymentMethod.Id }, createdPaymentMethod);
        }

        [HttpPut("{id}")]
        public async Task<IActionResult> UpdatePaymentMethod(Guid id, [FromBody] AdminPaymentMethodDto paymentMethodDto)
        {
            if (id != paymentMethodDto.Id) return BadRequest();
            if (!ModelState.IsValid) return BadRequest(ModelState);

            var success = await _adminPaymentMethodService.UpdateAsync(paymentMethodDto);
            if (!success) return NotFound();
            return NoContent(); // 204 No Content für erfolgreiches Update
        }

        [HttpDelete("{id}")]
        public async Task<IActionResult> DeletePaymentMethod(Guid id)
        {
            var success = await _adminPaymentMethodService.DeleteAsync(id);
            if (!success) return NotFound();
            return NoContent();
        }
    }
}