package keystoneauth

import (
	"fmt"
	"github.com/hashicorp/vault/logical"
	"github.com/hashicorp/vault/logical/framework"
)

func pathListUsers(b *backend) *framework.Path {
	return &framework.Path{
		Pattern: "users/?$",

		Callbacks: map[logical.Operation]framework.OperationFunc{
			logical.ListOperation: b.pathUserList,
		},
	}
}

func pathUsers(b *backend) *framework.Path {
	return &framework.Path{
		Pattern: "users/" + framework.GenericNameRegex("name"),
		Fields: map[string]*framework.FieldSchema{
			"name": &framework.FieldSchema{
				Type:        framework.TypeString,
				Description: "User name",
			},
			"default_project_id": &framework.FieldSchema{
				Type:        framework.TypeString,
				Description: "default_project_id",
				Default:     "optional",
			},
			"domain_id": &framework.FieldSchema{
				Type:        framework.TypeString,
				Description: "default_domain_id",
				Default:     "optional",
			},
			"enabled": &framework.FieldSchema{
				Type:        framework.TypeBool,
				Description: "default_enabled",
				Default:     true,
			},
			"password": &framework.FieldSchema{
				Type:        framework.TypeString,
				Description: "default_passwords",
				Default:     "optional",
			},
		},
		Callbacks: map[logical.Operation]framework.OperationFunc{
			logical.UpdateOperation: b.pathUserWrite,
			//logical.ReadOperation:   b.pathUserRead,
		},
	}
}

func (b *backend) User(s logical.Storage, n string) (*userEntry, error) {
	entry, err := s.Get("user/" + n)
	if err != nil {
		return nil, err
	}
	if entry == nil {
		return nil, nil
	}

	var result userEntry

	if err := entry.DecodeJSON(&result); err != nil {
		return nil, err
	}

	return &result, nil
}

func (b *backend) pathUserRead(
	req *logical.Request, data *framework.FieldData) (*logical.Response, error) {

	name := data.Get("name").(string)

	user, err := b.User(req.Storage, name)
	if err != nil {
		return nil, err
	}
	if user == nil {
		return logical.ErrorResponse(fmt.Sprintf("unknown user: %s", name)), nil
	}

	//CreateUser()

	return &logical.Response{
		Data: map[string]interface{}{
			"name":               user.User_name,
			"default_project_id": user.User_default_project_id,
			"domain_id":          user.User_domain_id,
			"enabled":            user.User_enabled,
			"password":           user.User_password,
		},
	}, nil
}

func (b *backend) pathUserList(
	req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
	entries, err := req.Storage.List("user/")
	if err != nil {
		return nil, err
	}

	return logical.ListResponse(entries), nil
}

func (b *backend) pathUserWrite(
	req *logical.Request, data *framework.FieldData) (*logical.Response, error) {

	fmt.Println("started")

	name := data.Get("name").(string)
	default_project_id := data.Get("admin_auth_token").(string)
	domain_id := data.Get("domain_id").(string)
	enabled := data.Get("enabled").(bool)
	password := data.Get("password").(string)

	fmt.Println(name)
	fmt.Println(default_project_id)
	fmt.Println(domain_id)
	fmt.Println(password)

	// Store it
	entry, err := logical.StorageEntryJSON("user/"+name, &userEntry{
		User_name:               name,
		User_default_project_id: default_project_id,
		User_domain_id:          domain_id,
		User_enabled:            enabled,
		User_password:           password,
	})

	if err != nil {
		return nil, err
	}

	if err != nil {
		return nil, err
	}
	if err := req.Storage.Put(entry); err != nil {
		return nil, err
	}
	return nil, nil
}

type userEntry struct {
	User_name               string `json:"name" structs:"name" mapstructure:"name"`
	User_default_project_id string `json:"default_project_id" structs:"default_project_id" mapstructure:"default_project_id"`
	User_domain_id          string `json:"domain_id" structs:"domain_id" mapstructure:"domain_id"`
	User_enabled            bool   `json:"enabled" structs:"enabled" mapstructure:"enabled"`
	User_password           string `json:"password" structs:"password" mapstructure:"password"`
}