package cloudflare

import (
	"context"
	"errors"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestZoneCovers(t *testing.T) {
	for _, c := range []struct {
		zone, domain string
		want         bool
	}{
		{"example.hu", "example.hu", true},
		{"example.hu", "felhom.example.hu", true},
		{"Example.HU.", "home.example.hu", true},
		{"example.hu", "notexample.hu", false},
		{"example.hu", "example.hu.evil.hu", false},
		{"home.example.hu", "example.hu", false},
		{"", "example.hu", false},
		{"example.hu", "", false},
	} {
		if got := ZoneCovers(c.zone, c.domain); got != c.want {
			t.Errorf("ZoneCovers(%q,%q)=%v want %v", c.zone, c.domain, got, c.want)
		}
	}
}

// The count is Cloudflare's total_count, so a token that sees more zones than one page holds is not read as „one".
func TestTokenZones_CountsBeyondOnePage(t *testing.T) {
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.Write([]byte(`{"success":true,"result":[{"id":"1","name":"a.hu"}],"result_info":{"total_count":7}}`))
	}))
	defer srv.Close()
	names, total, err := TokenZones(context.Background(), srv.URL, "tok-secret-value-123")
	if err != nil || total != 7 || len(names) != 1 {
		t.Fatalf("got names=%v total=%d err=%v; want 1 name, total 7", names, total, err)
	}
}

func TestTokenZones_ErrorsAreUnknownAndCarryNoToken(t *testing.T) {
	const tok = "tok-secret-value-123"
	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.Header.Get("Authorization") != "Bearer "+tok {
			t.Errorf("token not sent as a bearer header")
		}
		w.WriteHeader(http.StatusBadGateway)
		w.Write([]byte(`echo ` + tok))
	}))
	_, _, err := TokenZones(context.Background(), srv.URL, tok)
	if !errors.Is(err, ErrReachUnknown) || strings.Contains(err.Error(), tok) {
		t.Fatalf("5xx: want ErrReachUnknown without the token; got %v", err)
	}
	srv.Close()
	_, _, err = TokenZones(context.Background(), srv.URL, tok)
	if !errors.Is(err, ErrReachUnknown) || strings.Contains(err.Error(), tok) {
		t.Fatalf("unreachable: want ErrReachUnknown without the token; got %v", err)
	}
}