using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System.Net.Http.Json;
using System.Text;
using System.Text.Json;

namespace VolPro.Warehouse.Services;

public class GatewayClient
{
    private readonly HttpClient _http;
    private readonly IConfiguration _config;

    public GatewayClient(IHttpClientFactory factory, IConfiguration config)
    {
        _http = factory.CreateClient("IntegrationGateway");
        _config = config;
    }

    /// <summary>检查网关健康状态</summary>
    public async Task<Dictionary<string, bool>?> HealthCheckAsync(string gatewayBaseUrl)
    {
        var resp = await _http.GetAsync($"{gatewayBaseUrl}/api/gateway/health");
        resp.EnsureSuccessStatusCode();
        var json = await resp.Content.ReadAsStringAsync();
        return JsonSerializer.Deserialize<GatewayHealth>(json)?.Adapters;
    }

    /// <summary>获取实时数据</summary>
    public async Task<string> GetRealtimeAsync(string gatewayBaseUrl, string adapter, string deviceId)
    {
        var resp = await _http.GetAsync($"{gatewayBaseUrl}/api/gateway/realtime/{adapter}/{deviceId}");
        resp.EnsureSuccessStatusCode();
        return await resp.Content.ReadAsStringAsync();
    }

    /// <summary>设备控制</summary>
    public async Task ControlDeviceAsync(string gatewayBaseUrl, string adapter, string deviceId, int pointIndex, double value)
    {
        var resp = await _http.PostAsJsonAsync($"{gatewayBaseUrl}/api/gateway/realtime/{adapter}/control", new
        {
            deviceSourceId = deviceId,
            pointIndex,
            value
        });
        resp.EnsureSuccessStatusCode();
    }

    private class GatewayHealth
    {
        public string Gateway { get; set; } = "";
        public Dictionary<string, bool> Adapters { get; set; } = new();
    }
}