package catalogue

import (
	"slices"
	"strings"
	"testing"
)

// Issue 1126 B1/AC1, B2/AC1 (ADR 0590 clause 5): the seat set holds no mesh-controller, and the dependence check refuses
// every manifest that reads (the lease too), invokes, consumes, waits on, uses, claims, requires or is mesh-controller.
func TestNothingMayNameTheController(t *testing.T) {
	for _, s := range DefaultSeats() {
		if s.Name == EndedControllerName {
			t.Errorf("the seat set still holds %s", s.Name)
		}
	}
	if _, ok := SeatNamed(EndedControllerName); ok {
		t.Errorf("SeatNamed still finds %s", EndedControllerName)
	}
	for _, row := range []struct {
		name, manifest string
		want           []string // "<kind> <what>"
	}{
		{"a read of the lease", `{"module":"mod-l","version":"1","reads":["mesh-controller.lease"]}`, []string{"read mesh-controller.lease"}},
		{"the controller's own manifest", `{"module":"mesh-controller","version":"1"}`, []string{"is mesh-controller"}},
		{"a claim of its seat", `{"module":"a-controller","version":"1","claims":[{"name":"mesh-controller","scope":"mesh"}]}`,
			[]string{"claims mesh-controller"}},
		{"each declaration kind; every tool (*) is none",
			`{"module":"mod-i","version":"1","invokes":["seat:mesh-controller.root-free","mesh-controller.status","*","nats.nats_users"],` +
				`"consumes":["mesh-controller.artifacts-gone","mod-x.thing"],"uses":["mesh-controller"],"waits":["mesh-controller.checked"],` +
				`"requires":["mesh-controller"]}`,
			[]string{"consume mesh-controller.artifacts-gone", "invoke mesh-controller.status", "invoke seat:mesh-controller.root-free",
				"requires mesh-controller", "uses mesh-controller", "waits mesh-controller.checked"}},
		{"a process's own invoke", `{"module":"mod-p","version":"1","resources":[{"id":"account","type":"user","name":"mod-p"},` +
			`{"id":"worker","type":"process","run":["./w"],"user":"mod-p","bus":{"invokes":["seat:mesh-controller.held"]}}]}`,
			[]string{"invoke seat:mesh-controller.held"}},
		{"a module on its own seats", `{"module":"mod-ok","version":"1","reads":["mesh-grants.accounts"],"invokes":["*"]}`, nil},
	} {
		m, err := Decode([]byte(row.manifest))
		if err != nil {
			t.Fatalf("%s: %v", row.name, err)
		}
		var got []string
		for _, d := range Dependencies(map[string]Manifest{m.Module: m}) {
			got = append(got, d.Kind+" "+d.What)
		}
		if !slices.Equal(got, row.want) {
			t.Errorf("%s: dependencies %q, want %q", row.name, got, row.want)
		}
		refused := ManifestRefusals(map[string]Manifest{m.Module: m})
		if len(refused) != len(row.want) || len(refused) > 0 && !strings.Contains(refused[0], "ADR 0590") {
			t.Errorf("%s: refused %q", row.name, refused)
		}
	}
	if got := ManifestRefusals(map[string]Manifest{}); len(got) != 1 || !strings.Contains(got[0], "no manifest") {
		t.Errorf("no manifest given: %q", got)
	}
}