package config_test

import (
	"testing"

	"github.com/pion/ice/v2"
	"riasc.eu/wice/internal/config"
)

func TestParseArgsUser(t *testing.T) {
	config, err := config.Parse("prog", []string{"-user"})
	if err != nil {
		t.Errorf("err got %v, want nil", err)
	}

	if !config.User {
		t.Fail()
	}
}

func TestParseArgsBackend(t *testing.T) {
	config, err := config.Parse("prog", []string{"-backend", "k8s"})
	if err != nil {
		t.Errorf("err got %v, want nil", err)
	}

	if config.Backends[0].Scheme != "k8s" {
		t.Fail()
	}
}

func TestParseArgsUrls(t *testing.T) {
	config, err := config.Parse("prog", []string{"-url", "stun:stun.riasc.eu", "-url", "turn:turn.riasc.eu"})
	if err != nil {
		t.Errorf("err got %v, want nil", err)
	}

	if len(config.AgentConfig.Urls) != 2 {
		t.Fail()
	}

	if config.AgentConfig.Urls[0].Host != "stun.riasc.eu" {
		t.Fail()
	}

	if config.AgentConfig.Urls[0].Scheme != ice.SchemeTypeSTUN {
		t.Fail()
	}

	if config.AgentConfig.Urls[1].Host != "turn.riasc.eu" {
		t.Fail()
	}

	if config.AgentConfig.Urls[1].Scheme != ice.SchemeTypeTURN {
		t.Fail()
	}
}

func TestParseArgsCandidateTypes(t *testing.T) {
	config, err := config.Parse("prog", []string{"-ice-candidate-type", "host", "-ice-candidate-type", "relay"})
	if err != nil {
		t.Errorf("err got %v, want nil", err)
	}

	if len(config.AgentConfig.CandidateTypes) != 2 {
		t.Fail()
	}

	if config.AgentConfig.CandidateTypes[0] != ice.CandidateTypeHost {
		t.Fail()
	}

	if config.AgentConfig.CandidateTypes[1] != ice.CandidateTypeRelay {
		t.Fail()
	}
}

func TestParseArgsInterfaceFilter(t *testing.T) {
	config, err := config.Parse("prog", []string{"-interface-filter", "eth\\d+"})
	if err != nil {
		t.Errorf("err got %v, want nil", err)
	}

	if !config.InterfaceRegex.Match([]byte("eth0")) {
		t.Fail()
	}

	if config.InterfaceRegex.Match([]byte("wifi0")) {
		t.Fail()
	}
}

func TestParseArgsInterfaceFilterFail(t *testing.T) {
	_, err := config.Parse("prog", []string{"-interface-filter", "eth("})
	if err == nil {
		t.Fail()
	}
}

func TestParseArgsDefault(t *testing.T) {
	config, err := config.Parse("prog", []string{})
	if err != nil {
		t.Fail()
	}

	if len(config.AgentConfig.Urls) != 1 {
		t.Fail()
	}
}