// Hook: AfterSend
// Send a Microsoft Teams webhook notification when a job fails.
//
// Replace the WebhookUrl constant with your actual Incoming Webhook URL.
// Successful runs are silent. Ideal for on-call alerting without a paid
// PagerDuty seat.

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

if (JobResult.Success)
{
    Logger.LogInformation($"Job '{JobName}' succeeded - no alert required.");
    return;
}

const string WebhookUrl = "https://outlook.office.com/webhook/YOUR_WEBHOOK_URL_HERE";

var errorSummary = JobResult.Errors.Any()
    ? string.Join("\n", JobResult.Errors.Take(5))
    : "No error details available.";

// Escape backslashes and quotes so the JSON payload stays valid
var safeErrors = errorSummary.Replace(@"\", @"\\").Replace("\"", "\\\"");

var payload = $$"""
{
    "@type": "MessageCard",
    "@context": "https://schema.org/extensions",
    "summary": "ReportWORQ Job Failed",
    "themeColor": "FF0000",
    "title": "❌ ReportWORQ Job Failed: {{JobName}}",
    "text": "**Output:** {{OutputName}}\n\n**Errors:**\n```\n{{safeErrors}}\n```"
}
""";

// NOTE: a .csx is compiled as a *script*, where `using` at the start of a statement
// is parsed as a using DIRECTIVE. `using var http = ...;` therefore does not compile.
// Use the using STATEMENT form instead.
using (var http = new HttpClient())
{
    var content = new StringContent(payload, Encoding.UTF8, "application/json");
    var response = await http.PostAsync(WebhookUrl, content);

    Logger.LogInformation($"Teams alert sent. HTTP status: {response.StatusCode}");
}