package installer

import (
	"strings"
	"testing"
)

func TestValidateURL(t *testing.T) {
	for _, raw := range []string{"https://rsmon.ru", "http://localhost:7401"} {
		if err := ValidateURL(raw); err != nil {
			t.Fatalf("ValidateURL(%q): %v", raw, err)
		}
	}
	for _, raw := range []string{"", "rsmon.ru", "file:///tmp/x"} {
		if err := ValidateURL(raw); err == nil {
			t.Fatalf("ValidateURL(%q) succeeded", raw)
		}
	}
}

func TestValidateToken(t *testing.T) {
	if err := ValidateToken("token"); err != nil {
		t.Fatal(err)
	}
	for _, token := range []string{"", " ", "token\nRSMON_URL=https://evil.test"} {
		if err := ValidateToken(token); err == nil {
			t.Fatalf("ValidateToken(%q) succeeded", token)
		}
	}
}

func TestEnvironment(t *testing.T) {
	got := string(Environment("https://example.test", "secret"))
	for _, want := range []string{"RSMON_URL=https://example.test\n", "RSMON_TOKEN=secret\n", "WORKER_HOST=127.0.0.1\n"} {
		if !strings.Contains(got, want) {
			t.Fatalf("environment missing %q", want)
		}
	}
}

func TestShellQuote(t *testing.T) {
	if got, want := shellQuote("a'b"), `'a'\''b'`; got != want {
		t.Fatalf("shellQuote() = %q, want %q", got, want)
	}
}

func TestValidateImage(t *testing.T) {
	if err := ValidateImage(DefaultImage); err != nil {
		t.Fatal(err)
	}
	for _, image := range []string{"", "-bad", "image name", "image%stest", `image"test`} {
		if err := ValidateImage(image); err == nil {
			t.Fatalf("ValidateImage(%q) succeeded", image)
		}
	}
}

func TestSystemdUnits(t *testing.T) {
	if !strings.Contains(systemdUnit, "Type=simple\nUser=root\n") || !strings.Contains(systemdUnit, "ExecStart=/usr/local/bin/rsmon-worker\n") {
		t.Fatal("binary systemd unit is not the simple root service")
	}
	unit := DockerUnit(DefaultImage)
	for _, want := range []string{"ExecStartPre=-docker rm -f rsmon-worker", "docker run --rm", DefaultImage} {
		if !strings.Contains(unit, want) {
			t.Fatalf("Docker systemd unit missing %q", want)
		}
	}
}