package activator

import (
	"errors"
	"testing"

	"github.com/carlosframework/platform/internal/hostbox"
	"github.com/carlosframework/platform/internal/registry"
)

func TestRev2ShapeIsolatedArgv(t *testing.T) {
	const launch, run = "/data/instances/i1", "/run/carlos/instances/i1"
	sock, db := run+"/app.sock", launch+"/app.db"
	args := func(extra ...string) []string { return append([]string{"--socket", sock, "--db", db}, extra...) }
	env := []string{"CARLOS_ADMIN_TOKEN=t", "A=1"}
	argv, s, d, err := IsolatedArgv("h.example", launch, run, args(), env)
	if err != nil || s != sock || d != db || len(argv) != 5 || argv[0] != "/opt/carlos/live/h.example" && argv[0] == "" {
		t.Fatalf("valid: %v %q %q %v", err, s, d, argv)
	}
	for name, tc := range map[string]struct{ args, env []string }{
		"odd":         {args("--x"), env},
		"extra":       {args("--x", "y"), env},
		"dup socket":  {args("--socket", sock), env},
		"dup db":      {args("--db", db), env},
		"NUL":         {[]string{"--socket", sock + "\x00", "--db", db}, env},
		"wrong dir":   {[]string{"--socket", "/tmp/app.sock", "--db", db}, env},
		"unclean":     {[]string{"--socket", run + "/../i1/app.sock", "--db", db}, env},
		"no env":      {args(), nil},
		"no token":    {args(), []string{"A=1"}},
		"empty token": {args(), []string{"CARLOS_ADMIN_TOKEN="}},
		"dup env":     {args(), append([]string{"A=2"}, env...)},
		"bad env":     {args(), append([]string{"X"}, env...)},
		"NUL env":     {args(), append([]string{"X=\x00"}, env...)},
	} {
		if _, _, _, err := IsolatedArgv("h.example", launch, run, tc.args, tc.env); !errors.Is(err, hostbox.ErrRoleLaunchShape) {
			t.Fatalf("%s: %v", name, err)
		}
	}
}

func TestRev2ShapeClaimLaunchRoles(t *testing.T) {
	b := &ExecBackend{DataDir: t.TempDir()}
	if got, err := b.ClaimLaunchRoles(registry.Route{Host: "h.example"}); err != nil || len(got) != 1 || got[0] != "main" {
		t.Fatalf("roles=%v err=%v", got, err)
	}
	if got, err := b.ClaimLaunchRoles(registry.Route{Host: "h.example", Seed: `["init"]`}); err != nil || len(got) != 2 || got[1] != "seed" {
		t.Fatalf("roles=%v err=%v", got, err)
	}
}