package lib

import (
	"net/url"
	"sort"
	"strings"
)

// SSHKey on Vultr account
type SSHKey struct {
	ID      string `json:"SSHKEYID"`
	Name    string `json:"name"`
	Key     string `json:"ssh_key"`
	Created string `json:"date_created"`
}

type sshkeys []SSHKey

func (s sshkeys) Len() int           { return len(s) }
func (s sshkeys) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
func (s sshkeys) Less(i, j int) bool { return strings.ToLower(s[i].Name) < strings.ToLower(s[j].Name) }

// GetSSHKeys returns a list of SSHKeys from Vultr account
func (c *Client) GetSSHKeys() (keys []SSHKey, err error) {
	var keyMap map[string]SSHKey
	if err := c.get(`sshkey/list`, &keyMap); err != nil {
		return nil, err
	}

	for _, key := range keyMap {
		keys = append(keys, key)
	}
	sort.Sort(sshkeys(keys))
	return keys, nil
}

// CreateSSHKey creates new SSHKey on Vultr
func (c *Client) CreateSSHKey(name, key string) (SSHKey, error) {
	values := url.Values{
		"name":    {name},
		"ssh_key": {key},
	}

	var sshKey SSHKey
	if err := c.post(`sshkey/create`, values, &sshKey); err != nil {
		return SSHKey{}, err
	}
	sshKey.Name = name
	sshKey.Key = key

	return sshKey, nil
}

// UpdateSSHKey updates an existing SSHKey entry
func (c *Client) UpdateSSHKey(key SSHKey) error {
	values := url.Values{
		"SSHKEYID": {key.ID},
	}
	if key.Name != "" {
		values.Add("name", key.Name)
	}
	if key.Key != "" {
		values.Add("ssh_key", key.Key)
	}

	if err := c.post(`sshkey/update`, values, nil); err != nil {
		return err
	}
	return nil
}

// DeleteSSHKey deletes an existing SSHKey from Vultr account
func (c *Client) DeleteSSHKey(id string) error {
	values := url.Values{
		"SSHKEYID": {id},
	}

	if err := c.post(`sshkey/destroy`, values, nil); err != nil {
		return err
	}
	return nil
}