/*
 * Copyright 2014-2020 Li Kexian
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Go module for domain whois information parsing
 * https://www.likexian.com/
 */

package whoisparser

import (
	"sort"
	"strings"
)

// IsNotFound returns domain is not found
func IsNotFound(data string) bool {
	notExistsKeys := []string{
		"no found",
		"no match",
		"not found",
		"not match",
		"no entries found",
		"no data found",
		"not registered",
		"not been registered",
		"is free",
		"not available for registration",
		"object does not exist",
	}

	data = strings.ToLower(data)
	for _, v := range notExistsKeys {
		if strings.Contains(data, v) {
			return true
		}
	}

	return false
}

// IsPremiumDomain returns if the domain name is available to register at a premium price
func IsPremiumDomain(data string) bool {
	premiumKeys := []string{
		"reserved domain name",
		"reserved by the registry",
		"available for purchase",
	}

	data = strings.ToLower(data)
	for _, v := range premiumKeys {
		if strings.Contains(data, v) {
			return true
		}
	}

	return false
}

// IsBlockedDomain returns if the domain name is blocked due to a DPML brand name block
func IsBlockedDomain(data string) bool {
	blockedKeys := []string{
		"The registration of this domain is restricted",
		"dpml block",
	}

	data = strings.ToLower(data)
	for _, v := range blockedKeys {
		if strings.Contains(data, v) {
			return true
		}
	}

	return false
}

// IsLimitExceeded returns is query limit
func IsLimitExceeded(data string) bool {
	data = strings.ToLower(data)
	return strings.Contains(data, "limit exceeded")
}

// IsDnsSecEnabled returns dnssec is enabled
func IsDnsSecEnabled(data string) bool {
	switch strings.ToLower(data) {
	case "yes", "active", "signed", "signeddelegation":
		return true
	default:
		return false
	}
}

// ClearName returns cleared key name
func ClearName(key string) string {
	if strings.Contains(key, "(") {
		key = strings.Split(key, "(")[0]
	}

	key = strings.Replace(key, "-", " ", -1)
	key = strings.Replace(key, "_", " ", -1)
	key = strings.Replace(key, "/", " ", -1)
	key = strings.Replace(key, "\\", " ", -1)
	key = strings.Replace(key, "'", " ", -1)
	key = strings.Replace(key, ".", " ", -1)

	key = strings.TrimPrefix(key, "Registry ")
	key = strings.TrimPrefix(key, "Sponsoring ")

	key = strings.TrimSpace(key)
	key = strings.ToLower(key)

	return key
}

// FindKeyName returns the mapper value by key
func FindKeyName(key string) string {
	key = ClearName(key)
	if v, ok := keyRule[key]; ok {
		return v
	}

	return ""
}

// FixDomainStatus returns fixed domain status
func FixDomainStatus(status []string) []string {
	for k, v := range status {
		names := strings.Split(strings.TrimSpace(v), " ")
		status[k] = strings.ToLower(names[0])
	}

	return status
}

// FixNameServers returns fixed name servers
func FixNameServers(servers []string) []string {
	for k, v := range servers {
		names := strings.Split(strings.TrimSpace(v), " ")
		servers[k] = strings.ToLower(strings.Trim(names[0], "."))
	}

	return servers
}

// Keys returns all keys of map by sort
func Keys(m map[string]string) []string {
	r := []string{}

	for k := range m {
		r = append(r, k)
	}

	sort.Strings(r)

	return r
}