using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using WIDESEAWCS_S7Simulator.Core.Entities;
using WIDESEAWCS_S7Simulator.Web.Services;

namespace WIDESEAWCS_S7Simulator.Web.Pages;

/// <summary>
/// 实例详情页
/// </summary>
public class DetailsModel : BasePageModel
{
    private readonly ILogger<DetailsModel> _logger;
    private readonly ApiHttpClient _apiClient;

    public DetailsModel(ILogger<DetailsModel> logger, IConfiguration configuration, ApiHttpClient apiClient)
        : base(configuration)
    {
        _logger = logger;
        _apiClient = apiClient;
    }

    public InstanceState? Instance { get; private set; }

    public List<S7ClientConnection> Clients { get; private set; } = new();

    public async Task<IActionResult> OnGetAsync(string id)
    {
        if (string.IsNullOrWhiteSpace(id))
        {
            return BadRequest("实例ID不能为空");
        }

        try
        {
            Instance = await _apiClient.GetInstanceAsync(id);

            if (Instance == null)
            {
                return NotFound($"实例 \"{id}\" 不存在");
            }

            // 客户端信息已包含在 InstanceState 中
            if (Instance.Clients != null)
            {
                Clients = Instance.Clients;
            }
        }
        catch (HttpRequestException ex)
        {
            _logger.LogError(ex, "Failed to load instance details for {InstanceId}", id);
            ModelState.AddModelError(string.Empty, "加载实例详情失败，请稍后重试");
        }

        return Page();
    }
}