using System.Text.Json.Nodes;
using StellaOps.Notifier.Worker.Processing;
using StellaOps.Notify.Models;
using Xunit;

namespace StellaOps.Notifier.Tests;

public sealed class RuleEvaluatorTests
{
    [Fact]
    public void Evaluate_MatchingPolicyViolation_ReturnsActions()
    {
        var rule = NotifyRule.Create(
            ruleId: "rule-critical",
            tenantId: "tenant-a",
            name: "Critical policy violation",
            match: NotifyRuleMatch.Create(
                eventKinds: new[] { "policy.violation" },
                labels: new[] { "kev" },
                minSeverity: "high",
                verdicts: new[] { "fail" }),
            actions: new[]
            {
                NotifyRuleAction.Create(
                    actionId: "act-slack",
                    channel: "chn-slack",
                    throttle: TimeSpan.FromMinutes(10))
            });

        var payload = new JsonObject
        {
            ["verdict"] = "fail",
            ["severity"] = "critical",
            ["labels"] = new JsonArray("kev", "policy")
        };

        var notifyEvent = NotifyEvent.Create(
            eventId: Guid.NewGuid(),
            kind: "policy.violation",
            tenant: "tenant-a",
            ts: DateTimeOffset.UtcNow,
            payload: payload,
            scope: NotifyEventScope.Create(repo: "registry.local/api", digest: "sha256:123"),
            actor: "policy-engine",
            version: "1",
            attributes: new[]
            {
                new KeyValuePair<string, string>("severity", "critical"),
                new KeyValuePair<string, string>("verdict", "fail"),
                new KeyValuePair<string, string>("kev", "true")
            });

        var evaluator = new DefaultNotifyRuleEvaluator();
        var outcome = evaluator.Evaluate(rule, notifyEvent);

        Assert.True(outcome.IsMatch);
        Assert.Single(outcome.Actions);
        Assert.Equal("act-slack", outcome.Actions[0].ActionId);
    }
}