package main

import (
	"strings"
	"testing"

	"github.com/novox/mesh-controller/internal/broker"
	"github.com/novox/mesh-controller/internal/conditions"
)

// A grant naming a module the tool runner carries composes nothing, and doctor says so in plain words, naming the
// module, the stream and the remedy (novox/hq ADR 0376 §2).
func TestAGrantThatComposesNothingIsSaid(t *testing.T) {
	records := broker.Records{Nodes: []string{"ace"}, Assigned: map[string][]broker.Declared{"ace": {
		{Module: broker.RuntimeModule},
		{Module: "reader", Hears: []broker.Heard{{Stream: "MAIL", Emitter: "mesh-mail", Restricted: true,
			Filters: []string{"mesh.stream.mesh-mail.event.mail.mesh.>"}}}},
		{Module: "mailer", RunsAs: "mailer", Hears: []broker.Heard{{Stream: "MAIL", Emitter: "mesh-mail", Restricted: true,
			Filters: []string{"mesh.stream.mesh-mail.event.mail.mesh.>"}}}},
	}}}
	found := withheldObservations(broker.WithheldOf(records))
	if len(found) != 1 {
		t.Fatalf("said %+v", found)
	}
	o := found[0]
	if o.Kind != kindGrantComposesNothing || o.Machine != "ace" || !strings.Contains(o.Summary, "reader on ace") ||
		!strings.Contains(o.Summary, "MAIL") || !strings.Contains(o.Summary, "runs-as") {
		t.Fatalf("%+v", o)
	}
	w := plainWordings[kindGrantComposesNothing](o)
	if why, ok := conditions.PlainWords(w, "ace"); !ok {
		t.Fatalf("not plain: %s (%+v)", why, w)
	}
	registered := false
	for _, p := range probeRegistry {
		if p.ID == probeWithheldID && p.Kind == kindGrantComposesNothing && p.run != nil {
			registered = true
		}
	}
	if !registered {
		t.Fatal("doctor does not run the probe of a grant that composes nothing")
	}
}