using System.Threading.Tasks;
using GameAuthApi.Models;
using GameAuthApi.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace GameAuthApi.Controllers;

[ApiController]
[Route("api/[controller]")]
public class ItemController : ControllerBase
{
    private readonly ItemService _itemService;
    private readonly LocationService _locationService;

    public ItemController(ItemService itemService, LocationService locationService)
    {
        _itemService = itemService;
        _locationService = locationService;
    }

    [HttpPost]
    [Authorize(Roles = "SUPER")]
    public async Task<IActionResult> Create([FromBody] CreateItemRequest req)
    {
        var location = await _locationService.GetByIdAsync(req.LocationId);
        if (location == null)
            return BadRequest("Invalid location ID.");

        var item = new Item
        {
            Name = req.Name,
            LocationId = req.LocationId
        };

        await _itemService.CreateAsync(item);
        return Ok(item);
    }

    [HttpPut("{id}")]
    [Authorize(Roles = "SUPER")]
    public async Task<IActionResult> Update(string id, [FromBody] UpdateItemRequest req)
    {
        var item = await _itemService.GetByIdAsync(id);
        if (item == null)
            return NotFound("Item not found.");

        var location = await _locationService.GetByIdAsync(req.LocationId);
        if (location == null)
            return BadRequest("Invalid location ID.");

        if (item.LocationId != req.LocationId)
        {
            if (!string.IsNullOrEmpty(item.LocationId))
                await _locationService.RemoveItemFromLocationAsync(item.LocationId, item.Id);
            await _locationService.AddItemToLocationAsync(req.LocationId, item.Id);
        }

        item.Name = req.Name;
        item.LocationId = req.LocationId;
        await _itemService.UpdateAsync(item);
        return Ok(item);
    }

    [HttpDelete("{id}")]
    [Authorize(Roles = "SUPER")]
    public async Task<IActionResult> Delete(string id)
    {
        var item = await _itemService.GetByIdAsync(id);
        if (item == null)
            return NotFound("Item not found.");

        if (!string.IsNullOrEmpty(item.LocationId))
            await _locationService.RemoveItemFromLocationAsync(item.LocationId, item.Id);

        await _itemService.DeleteAsync(id);
        return Ok($"Item '{item.Name}' deleted.");
    }
}