/*
Copyright 2020 KubeSphere Authors

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 openpitrix

import (
	"fmt"
	"github.com/spf13/pflag"
	"kubesphere.io/kubesphere/pkg/utils/reflectutils"
)

type Options struct {
	RuntimeManagerEndpoint    string `json:"runtimeManagerEndpoint,omitempty" yaml:"runtimeManagerEndpoint,omitempty"`
	ClusterManagerEndpoint    string `json:"clusterManagerEndpoint,omitempty" yaml:"clusterManagerEndpoint,omitempty"`
	RepoManagerEndpoint       string `json:"repoManagerEndpoint,omitempty" yaml:"repoManagerEndpoint,omitempty"`
	AppManagerEndpoint        string `json:"appManagerEndpoint,omitempty" yaml:"appManagerEndpoint,omitempty"`
	CategoryManagerEndpoint   string `json:"categoryManagerEndpoint,omitempty" yaml:"categoryManagerEndpoint,omitempty"`
	AttachmentManagerEndpoint string `json:"attachmentManagerEndpoint,omitempty" yaml:"attachmentManagerEndpoint,omitempty"`
	RepoIndexerEndpoint       string `json:"repoIndexerEndpoint,omitempty" yaml:"repoIndexerEndpoint,omitempty"`
}

func NewOptions() *Options {
	return &Options{}
}

func (s *Options) ApplyTo(options *Options) {
	if options == nil {
		options = s
		return
	}
	if s.RuntimeManagerEndpoint != "" {
		reflectutils.Override(options, s)
	}
}

func (s *Options) IsEmpty() bool {
	return s.RuntimeManagerEndpoint == "" &&
		s.ClusterManagerEndpoint == "" &&
		s.RepoManagerEndpoint == "" &&
		s.AppManagerEndpoint == "" &&
		s.CategoryManagerEndpoint == "" &&
		s.AttachmentManagerEndpoint == "" &&
		s.RepoIndexerEndpoint == ""
}

func (s *Options) Validate() []error {
	var errs []error

	if s.RuntimeManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.RuntimeManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.RuntimeManagerEndpoint))
		}
	}
	if s.ClusterManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.ClusterManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.ClusterManagerEndpoint))
		}
	}
	if s.RepoManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.RepoManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.RepoManagerEndpoint))
		}
	}
	if s.RepoIndexerEndpoint != "" {
		_, _, err := parseToHostPort(s.RepoIndexerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.RepoIndexerEndpoint))
		}
	}
	if s.AppManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.AppManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.AppManagerEndpoint))
		}
	}
	if s.CategoryManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.CategoryManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.CategoryManagerEndpoint))
		}
	}
	if s.AttachmentManagerEndpoint != "" {
		_, _, err := parseToHostPort(s.CategoryManagerEndpoint)
		if err != nil {
			errs = append(errs, fmt.Errorf("invalid host port:%s", s.CategoryManagerEndpoint))
		}
	}

	return errs
}

func (s *Options) AddFlags(fs *pflag.FlagSet, c *Options) {
	fs.StringVar(&s.RuntimeManagerEndpoint, "openpitrix-runtime-manager-endpoint", c.RuntimeManagerEndpoint, ""+
		"OpenPitrix runtime manager endpoint")

	fs.StringVar(&s.AppManagerEndpoint, "openpitrix-app-manager-endpoint", c.AppManagerEndpoint, ""+
		"OpenPitrix app manager endpoint")

	fs.StringVar(&s.ClusterManagerEndpoint, "openpitrix-cluster-manager-endpoint", c.ClusterManagerEndpoint, ""+
		"OpenPitrix cluster manager endpoint")

	fs.StringVar(&s.CategoryManagerEndpoint, "openpitrix-category-manager-endpoint", c.CategoryManagerEndpoint, ""+
		"OpenPitrix category manager endpoint")

	fs.StringVar(&s.RepoManagerEndpoint, "openpitrix-repo-manager-endpoint", c.RepoManagerEndpoint, ""+
		"OpenPitrix repo manager endpoint")

	fs.StringVar(&s.RepoIndexerEndpoint, "openpitrix-repo-indexer-endpoint", c.RepoIndexerEndpoint, ""+
		"OpenPitrix repo indexer endpoint")

	fs.StringVar(&s.AttachmentManagerEndpoint, "openpitrix-attachment-manager-endpoint", c.AttachmentManagerEndpoint, ""+
		"OpenPitrix attachment manager endpoint")
}