using DbusSmsForward.Helper;
using DbusSmsForward.Services;
using DbusSmsForward.SettingModel;
using DbusSmsForward.SMSModel;
using System.Text.Json.Nodes;

namespace DbusSmsForward.Notifications;

public sealed class WeComApplicationNotificationSender(DbusSmsForwardOptions options) : NotificationSenderBase("wecom")
{
    private readonly WeComApplicationConfig _config = options.Notifications.WeComApplication;

    public override bool IsEnabled => _config.Enabled && !string.IsNullOrWhiteSpace(_config.CorpId) && !string.IsNullOrWhiteSpace(_config.AgentId) && !string.IsNullOrWhiteSpace(_config.ApplicationSecret);

    public override async Task SendAsync(SmsContentModel sms, string body, string deviceName, CancellationToken cancellationToken)
    {
        string tokenUrl = $"https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={Uri.EscapeDataString(_config.CorpId)}&corpsecret={Uri.EscapeDataString(_config.ApplicationSecret)}";
        string tokenResponse = await HttpHelper.HttpGetAsync(tokenUrl, _config.SkipTlsValidation, cancellationToken);
        JsonObject tokenJson = JsonNode.Parse(tokenResponse)?.AsObject() ?? throw new InvalidOperationException("Invalid WeCom token response.");
        string accessToken = tokenJson["access_token"]?.ToString() ?? throw new InvalidOperationException("WeCom access_token missing.");

        JsonObject payload = new()
        {
            ["touser"] = "@all",
            ["msgtype"] = "text",
            ["agentid"] = _config.AgentId,
            ["text"] = new JsonObject
            {
                ["content"] = body
            },
            ["safe"] = 0
        };

        string sendUrl = $"https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token={Uri.EscapeDataString(accessToken)}";
        await HttpHelper.PostAsync(sendUrl, payload, _config.SkipTlsValidation, cancellationToken);
    }
}