using System.Net.Http.Json;
using System.Text;
using System.Text.Json;

namespace IntegrationGateway.Core.Infrastructure;

public class GatewayClientFactory
{
    private readonly IHttpClientFactory _httpFactory;
    private readonly string _volProBaseUrl;

    public GatewayClientFactory(IHttpClientFactory httpFactory, string volProBaseUrl)
    {
        _httpFactory = httpFactory;
        _volProBaseUrl = volProBaseUrl.TrimEnd('/');
    }

    public HttpClient CreateClient() => _httpFactory.CreateClient("VolPro");

    public async Task<JsonDocument?> RegisterAsync(GatewayRegisterRequest req)
    {
        var http = CreateClient();
        var resp = await http.PostAsJsonAsync($"{_volProBaseUrl}/api/gateway/register", req);
        if (!resp.IsSuccessStatusCode) return null;
        return await resp.Content.ReadFromJsonAsync<JsonDocument>();
    }

    public async Task<bool> HeartbeatAsync(GatewayHeartbeatRequest req)
    {
        var http = CreateClient();
        var resp = await http.PostAsJsonAsync($"{_volProBaseUrl}/api/gateway/heartbeat", req);
        return resp.IsSuccessStatusCode;
    }

    public async Task<JsonDocument?> SyncDevicesAsync(string nodeCode, string token, List<object> devices)
    {
        var http = CreateClient();
        var resp = await http.PostAsJsonAsync($"{_volProBaseUrl}/api/gateway/sync/devices",
            new { nodeCode, token, devices });
        if (!resp.IsSuccessStatusCode) return null;
        return await resp.Content.ReadFromJsonAsync<JsonDocument>();
    }

    public async Task<JsonDocument?> SyncAlarmsAsync(string nodeCode, string token, List<object> alarms)
    {
        var http = CreateClient();
        var resp = await http.PostAsJsonAsync($"{_volProBaseUrl}/api/gateway/sync/alarms",
            new { nodeCode, token, alarms });
        if (!resp.IsSuccessStatusCode) return null;
        return await resp.Content.ReadFromJsonAsync<JsonDocument>();
    }
}

public class GatewayRegisterRequest
{
    public string NodeCode { get; set; } = "";
    public string Token { get; set; } = "";
    public string AdapterTypes { get; set; } = "";
    public string BaseUrl { get; set; } = "";
}

public class GatewayHeartbeatRequest
{
    public string NodeCode { get; set; } = "";
    public string Token { get; set; } = "";
}