package console

import (
	"errors"
	"fmt"
	"strings"
	"testing"

	"github.com/nats-io/nats.go"

	"github.com/novox/mesh-tools/node-tools/internal/bus"
)

// A marked tool or verb that reaches no responder names withheld and the grants part's read (design 46 7-approval-mark §6);
// an unmarked one, or a marked one failing otherwise, does not. A tool's own error that mentions 503 is the tool's answer, not a routing fault (issue 1529); a real no-responders still says
// nothing serves.
func TestARealNoRespondersStillSaysNothingServes(t *testing.T) {
	got := whyItFailed("scanner.scan", errors.New("the scanner refused the scan job: 503 Service Unavailable"))
	if strings.Contains(got, "nothing serves") || !strings.HasPrefix(got, "scanner.scan failed: ") || !strings.Contains(got, "503") {
		t.Fatalf("got %q", got)
	}
	for _, err := range []error{bus.ErrNoResponders, fmt.Errorf("ask: %w", bus.ErrNoResponders), nats.ErrNoResponders} {
		if got := whyItFailed("a.b", err); !strings.HasPrefix(got, "nothing serves a.b") {
			t.Fatalf("%v: got %q", err, got)
		}
	}
	s := &Surface{Approvals: &fakeApprovals{marked: "shell.wipe"}}
	for _, c := range []struct {
		target target
		err    error
		hinted bool
	}{
		{target{Address: "shell.wipe", Tool: Tool{Module: "shell", Name: "wipe"}}, bus.ErrNoResponders, true},
		{target{Address: "node-login-shell.execute", Seat: true, Tool: Tool{Module: "node-login-shell", Name: "execute"}}, bus.ErrNoResponders, false},
		{target{Address: "shell.tidy", Tool: Tool{Module: "shell", Name: "tidy"}}, bus.ErrNoResponders, false},
		{target{Address: "shell.wipe", Tool: Tool{Module: "shell", Name: "wipe"}}, errors.New("its own failure"), false},
	} {
		got := s.callFailed(c.target, c.err)
		if hinted := strings.Contains(got, "approval-mark/1: mesh-grants.grants_user_list names it under withheld"); hinted != c.hinted {
			t.Errorf("%s (%v): %q", c.target.Address, c.err, got)
		}
	}
}