package acme

import (
	"encoding/json"
	"testing"
)

func TestZones(t *testing.T) {
	zones := []Zone{
		{Name: "example.com.", View: "internal"},
		{Name: "example.com.", View: "external"},
		{Name: "acme.example.com.", View: "external"},
		{Name: "example.net."},
	}
	cases := []struct {
		name, view string
		want       []Zone
	}{
		{"_acme-challenge.example.com.", "", zones[:2]},
		{"_acme-challenge.example.com", "External", zones[1:2]},
		{"www.acme.example.com.", "", zones[2:3]},
		{"_acme-challenge.WWW.example.net.", "", zones[3:4]},
		{"_acme-challenge.example.org.", "", nil},
		{"_acme-challenge.notexample.com.", "", nil},
	}
	for _, c := range cases {
		got := Zones(c.name, zones, c.view)
		if len(got) != len(c.want) {
			t.Errorf("Zones(%s, %q) = %v, want %v", c.name, c.view, got, c.want)
			continue
		}
		for i := range got {
			if got[i] != c.want[i] {
				t.Errorf("Zones(%s, %q) = %v, want %v", c.name, c.view, got, c.want)
			}
		}
	}
}

func TestRequests(t *testing.T) {
	zones := []Zone{{Name: "example.com.", View: "internal"}, {Name: "example.com.", View: "external"}}
	ops := func(set bool, values ...string) []string {
		var out []string
		for _, r := range Requests("_acme-challenge.Example.com", zones, values, set, 60) {
			var d map[string]any
			json.Unmarshal(r.Data, &d)
			if d["name"] != "_acme-challenge.example.com." || d["type"] != "TXT" {
				t.Errorf("data = %v", d)
			}
			s := r.Op + " " + d["view"].(string)
			if v, ok := d["data"]; ok {
				s += " " + v.(string)
			}
			out = append(out, s)
		}
		return out
	}
	want := []string{"record.delete internal v1", "record.create internal v1", "record.delete external v1", "record.create external v1"}
	if got := ops(true, "v1"); len(got) != 4 || got[0] != want[0] || got[1] != want[1] || got[3] != want[3] {
		t.Errorf("set = %v", got)
	}
	if got := ops(false, "v1"); len(got) != 2 || got[0] != "record.delete internal v1" {
		t.Errorf("unset = %v", got)
	}
	if got := ops(false); len(got) != 2 || got[1] != "record.delete external" {
		t.Errorf("unset all = %v", got)
	}
	if d := Description("_acme-challenge.example.com.", true); d != "ACME: set challenge for _acme-challenge.example.com" {
		t.Errorf("description = %q", d)
	}
}