// Copyright 2019 Yunion
//
// 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.

package identity

import (
	"fmt"
	"strings"

	"yunion.io/x/jsonutils"

	"yunion.io/x/onecloud/pkg/apis"
	"yunion.io/x/onecloud/pkg/util/tagutils"
)

const (
	OrganizationLabelSeparator = "/"

	OrganizationRootParent = "<-root-org-node->"

	OrganizationStatusInit       = "init"
	OrganizationStatusReady      = "ready"
	OrganizationStatusSync       = "sync"
	OrganizationStatusSyncFailed = "sync_failed"
)

type TOrgType string

const (
	OrgTypeProject = TOrgType("project")
	OrgTypeDomain  = TOrgType("domain")
	OrgTypeObject  = TOrgType("object")
)

var (
	OrganizationTypes = []TOrgType{
		OrgTypeProject,
		OrgTypeDomain,
		OrgTypeObject,
	}
)

func IsValidOrgType(orgType TOrgType) bool {
	for _, t := range OrganizationTypes {
		if t == orgType {
			return true
		}
	}
	return false
}

type OrganizationListInput struct {
	EnabledIdentityBaseResourceListInput
	apis.SharableResourceBaseListInput
	apis.StatusResourceBaseListInput
	// apis.EnabledStatusInfrasResourceBaseListInput

	Type []TOrgType `json:"type"`

	Key string `json:"key"`
}

type OrganizationCreateInput struct {
	EnabledIdentityBaseResourceCreateInput
	apis.SharableResourceBaseCreateInput
	apis.StatusBaseResourceCreateInput
	// apis.EnabledStatusInfrasResourceBaseCreateInput

	Type TOrgType `json:"type"`

	// swagger:ignore
	Level int `json:"level,omitzero"`

	// key
	Key []string `json:"key"`

	// keys
	// swagger:ignore
	Keys string `json:"keys"`
}

type SOrganizationInfo struct {
	Keys []string          `json:"levels,omitempty"`
	Tags map[string]string `json:"tags,omitempty"`
}

func (info *SOrganizationInfo) IsZero() bool {
	return len(info.Keys) == 0 && len(info.Tags) == 0
}

func (info *SOrganizationInfo) String() string {
	return jsonutils.Marshal(info).String()
}

type OrganizationUpdateInput struct {
	EnabledIdentityBaseUpdateInput
	// apis.SharableResourceBaseUpdateInput
	// apis.StatusResourceBaseUpdateInput
	// apis.EnabledStatusInfrasResourceBaseUpdateInput
}

type OrganizationPerformAddLevelsInput struct {
	Key []string `json:"key" help:"add keys"`

	OrganizationPerformAddNodeInput
}

type OrganizationPerformAddNodeInput struct {
	Tags        map[string]string `json:"tags"`
	Weight      int               `json:"weight"`
	Description string            `json:"description"`
}

type OrganizationPerformSyncInput struct {
	ResourceType string `json:"resource_type"`

	Reset *bool `json:"reset"`
}

type OrganizationNodePerformBindInput struct {
	TargetId []string `json:"target_id"`

	ResourceType string `json:"resource_type"`
}

func IsValidLabel(val string) bool {
	return !strings.Contains(val, OrganizationLabelSeparator)
}

func trimLabel(label string) string {
	label = strings.Trim(label, OrganizationLabelSeparator+" ")
	label = strings.ReplaceAll(label, "/", "\\/")
	return label
}

func JoinLabels(seg ...string) string {
	if len(seg) == 0 {
		return ""
	}
	buf := strings.Builder{}
	buf.WriteString(trimLabel(seg[0]))
	for _, s := range seg[1:] {
		buf.WriteString(OrganizationLabelSeparator)
		buf.WriteString(trimLabel(s))
	}
	return buf.String()
}

func SplitLabel(label string) []string {
	parts := strings.Split(label, OrganizationLabelSeparator)
	ret := make([]string, 0)
	for _, p := range parts {
		p = trimLabel(p)
		if len(p) > 0 {
			if len(ret) > 0 && strings.HasSuffix(ret[len(ret)-1], "\\") {
				pref := ret[len(ret)-1]
				ret[len(ret)-1] = fmt.Sprintf("%s/%s", pref[:len(pref)-1], p)
			} else {
				ret = append(ret, p)
			}
		}
	}
	return ret
}

type OrganizationNodeUpdateInput struct {
	apis.StandaloneResourceBaseUpdateInput

	Weight *int `json:"weight"`
}

type OrganizationNodeListInput struct {
	apis.StandaloneResourceListInput

	OrgId string `json:"org_id"`

	OrgType TOrgType `json:"org_type"`

	Level int `json:"level"`

	// domain tags filter imposed by policy
	PolicyDomainTags tagutils.TTagSetList `json:"policy_domain_tags"`
	// project tags filter imposed by policy
	PolicyProjectTags tagutils.TTagSetList `json:"policy_project_tags"`
	// object tags filter imposed by policy
	PolicyObjectTags tagutils.TTagSetList `json:"policy_object_tags"`
}

type SProjectOrganization struct {
	Id    string                     `json:"id"`
	Name  string                     `json:"name"`
	Keys  []string                   `json:"keys"`
	Nodes []SProjectOrganizationNode `json:"nodes"`
}

type SProjectOrganizationNode struct {
	Id     string   `json:"id"`
	Labels []string `json:"labels"`
}

type SOrganizationNodeDetails struct {
	apis.StandaloneResourceDetails

	SOrganizationNode

	Tags tagutils.TTagSet `json:"tags"`

	Organization string `json:"organization"`

	Type TOrgType `json:"type"`
}

type SOrganizationDetails struct {
	EnabledIdentityBaseResourceDetails
	apis.SharableResourceBaseInfo

	SOrganization
}

type OrganizationPerformCleanInput struct {
}