package notify_test

import (
	"testing"

	"sneak.berlin/go/dnswatcher/internal/notify"
)

func TestValidateWebhookURLValid(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name    string
		input   string
		wantURL string
	}{
		{
			name:    "valid https URL",
			input:   "https://hooks.slack.com/T00/B00",
			wantURL: "https://hooks.slack.com/T00/B00",
		},
		{
			name:    "valid http URL",
			input:   "http://localhost:8080/webhook",
			wantURL: "http://localhost:8080/webhook",
		},
		{
			name:    "https with query",
			input:   "https://ntfy.sh/topic?auth=tok",
			wantURL: "https://ntfy.sh/topic?auth=tok",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			got, err := notify.ValidateWebhookURL(tt.input)
			if err != nil {
				t.Fatalf("unexpected error: %v", err)
			}

			if got.String() != tt.wantURL {
				t.Errorf(
					"got %q, want %q",
					got.String(), tt.wantURL,
				)
			}
		})
	}
}

func TestValidateWebhookURLInvalid(t *testing.T) {
	t.Parallel()

	invalid := []struct {
		name  string
		input string
	}{
		{"ftp scheme", "ftp://example.com/file"},
		{"file scheme", "file:///etc/passwd"},
		{"empty string", ""},
		{"no scheme", "example.com/webhook"},
		{"no host", "https:///path"},
	}

	for _, tt := range invalid {
		t.Run(tt.name, func(t *testing.T) {
			t.Parallel()

			got, err := notify.ValidateWebhookURL(tt.input)
			if err == nil {
				t.Errorf(
					"expected error for %q, got %v",
					tt.input, got,
				)
			}
		})
	}
}

func TestIsAllowedScheme(t *testing.T) {
	t.Parallel()

	if !notify.IsAllowedScheme("https") {
		t.Error("https should be allowed")
	}

	if !notify.IsAllowedScheme("http") {
		t.Error("http should be allowed")
	}

	if notify.IsAllowedScheme("ftp") {
		t.Error("ftp should not be allowed")
	}

	if notify.IsAllowedScheme("") {
		t.Error("empty scheme should not be allowed")
	}
}