package cmd

import (
	"context"
	"encoding/json"
	"errors"
	"path"
	"strings"

	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/config/compress"
	xldap "github.com/minio/minio/internal/config/identity/ldap"
	"github.com/minio/minio/internal/config/identity/openid"
	"github.com/minio/minio/internal/config/notify"
	"github.com/minio/minio/internal/config/policy/opa"

	"github.com/minio/minio/internal/config/dns"
	"github.com/minio/minio/internal/config/drive"
	"github.com/minio/minio/internal/config/etcd"
	"github.com/minio/minio/internal/config/heal"
	xldap "github.com/minio/minio/internal/config/identity/ldap"
	"github.com/minio/minio/internal/config/identity/openid"
	idplugin "github.com/minio/minio/internal/config/identity/plugin"
	xtls "github.com/minio/minio/internal/config/identity/tls"

	"encoding/json"
	"io"
	"net/http"
	"strconv"
	"strings"

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/config"
	"github.com/minio/minio/internal/config/etcd"
	xldap "github.com/minio/minio/internal/config/identity/ldap"
	"github.com/minio/minio/internal/config/identity/openid"
	idplugin "github.com/minio/minio/internal/config/identity/plugin"
	polplugin "github.com/minio/minio/internal/config/policy/plugin"

	// in obtaining service accounts by this cred.
	cred.ParentUser = lookupResult.NormDN

	// Set this value to LDAP groups, LDAP user can be part
	// of large number of groups
	cred.Groups = targetGroups

	// Set the newly generated credentials, policyName is empty on purpose
	// LDAP policies are applied automatically using their ldapUser, ldapGroups
	// mapping.

	if globalIAMSys.GetUsersSysType() == LDAPUsersSysType {
		userType = stsUser

		// Validate that the user or group exists in LDAP and use the normalized
		// form of the entityName (which will be an LDAP DN).
		var err error
		if isGroup {
			var foundGroupDN *xldap.DNSearchResult
			var underBaseDN bool
			if foundGroupDN, underBaseDN, err = globalIAMSys.LDAPConfig.GetValidatedGroupDN(nil, entityName); err != nil {

				sys.Lock()
				sys.OpenIDConfig = openidConfig
				sys.Unlock()
			}
		}

		if !ldapInit {
			// Initialize if LDAP is enabled
			ldapConfig, err := xldap.Lookup(s, globalRootCAs)
			if err != nil {
				iamLogIf(ctx, fmt.Errorf("Unable to load LDAP configuration (LDAP configuration will be disabled!): %w", err), logger.WarningKind)
			} else {
				ldapInit = true
				sys.Lock()

	s := madmin.IDPSettings{}
	s.LDAP = madmin.LDAPSettings{
		IsLDAPEnabled:          globalIAMSys.LDAPConfig.Enabled(),
		LDAPUserDNSearchBase:   globalIAMSys.LDAPConfig.LDAP.UserDNSearchBaseDistName,
		LDAPUserDNSearchFilter: globalIAMSys.LDAPConfig.LDAP.UserDNSearchFilter,
		LDAPGroupSearchBase:    globalIAMSys.LDAPConfig.LDAP.GroupSearchBaseDistName,

)

// Config contains AD/LDAP server connectivity information.
type Config struct {
	LDAP ldap.Config

	stsExpiryDuration time.Duration // contains converted value
}

// Enabled returns if LDAP is enabled.
func (l *Config) Enabled() bool {
	return l.LDAP.Enabled
}

// Clone returns a cloned copy of LDAP config.
func (l *Config) Clone() Config {
	if l == nil {

     * input before using it in LDAP search filters to prevent LDAP injection vulnerabilities.
     *
     * @param filter the LDAP search filter to escape (null is treated as empty string)
     * @return the escaped filter string safe for use in LDAP queries (empty string if filter is null)
     * @see <a href="https://tools.ietf.org/html/rfc4515">RFC 4515 - LDAP String Representation of Search Filters</a>
     */

    public Integer purgeSuggestSearchLogDay;

    /**
     * LDAP server URL for authentication.
     * Used when LDAP authentication is enabled.
     */
    @Size(max = 1000)
    public String ldapProviderUrl;

    /**
     * LDAP security principal for binding to the LDAP server.
     * Used for authenticating with the LDAP server.
     */
    @Size(max = 1000)
    public String ldapSecurityPrincipal;