package checker

import (
	"encoding/json"
	"strings"
	"testing"

	sdk "git.happydns.org/checker-sdk-go/checker"
)

func TestReportRenders(t *testing.T) {
	data := ReverseZoneData{
		Zone:          "1.168.192.in-addr.arpa.",
		IsReverseZone: true,
		PTRCount:      3,
		Entries: []PTREntry{
			{
				OwnerName:         "10.1.168.192.in-addr.arpa.",
				ReverseIP:         "192.168.1.10",
				Targets:           []string{"mail.example.com."},
				TargetSyntaxValid: true,
				ForwardAddresses:  []ForwardAddress{{Type: "A", Address: "192.168.1.10"}},
				ForwardMatch:      true,
				TargetResolves:    true,
			},
			{
				OwnerName:         "11.1.168.192.in-addr.arpa.",
				ReverseIP:         "192.168.1.11",
				Targets:           []string{"web.example.com."},
				TargetSyntaxValid: true,
				ForwardAddresses:  []ForwardAddress{{Type: "A", Address: "203.0.113.5"}},
				ForwardMatch:      false,
				TargetResolves:    true,
			},
			{
				OwnerName:         "12.1.168.192.in-addr.arpa.",
				ReverseIP:         "192.168.1.12",
				Targets:           []string{"ghost.example.com."},
				TargetSyntaxValid: true,
				TargetResolves:    false,
			},
		},
	}
	raw, err := json.Marshal(data)
	if err != nil {
		t.Fatalf("marshal: %v", err)
	}
	p := &reverseZoneProvider{}
	html, err := p.GetHTMLReport(sdk.StaticReportContext(raw))
	if err != nil {
		t.Fatalf("report: %v", err)
	}
	for _, want := range []string{
		"FCrDNS failures detected",
		"web.example.com.",
		"ghost.example.com.",
		"target unresolved",
		"FCrDNS mismatch",
	} {
		if !strings.Contains(html, want) {
			t.Errorf("expected report to contain %q\n--- HTML ---\n%s", want, html)
		}
	}
}

func TestBuildOwnerName(t *testing.T) {
	cases := []struct {
		sub, zone, want string
	}{
		{"42", "1.168.192.in-addr.arpa", "42.1.168.192.in-addr.arpa."},
		{"", "1.168.192.in-addr.arpa", "1.168.192.in-addr.arpa."},
		{"@", "1.168.192.in-addr.arpa", "1.168.192.in-addr.arpa."},
		{"1.0", "0.0.10.in-addr.arpa", "1.0.0.0.10.in-addr.arpa."},
	}
	for _, c := range cases {
		got := buildOwnerName(c.sub, c.zone)
		if got != c.want {
			t.Errorf("buildOwnerName(%q,%q)=%q, want %q", c.sub, c.zone, got, c.want)
		}
	}
}