package triton

import (
	"encoding/json"
	"fmt"
	"net/http"

	"github.com/hashicorp/errwrap"
)

type ConfigClient struct {
	*Client
}

// Config returns a c used for accessing functions pertaining
// to Config functionality in the Triton API.
func (c *Client) Config() *ConfigClient {
	return &ConfigClient{c}
}

// Config represents configuration for your account.
type Config struct {
	// DefaultNetwork is the network that docker containers are provisioned on.
	DefaultNetwork string `json:"default_network"`
}

type GetConfigInput struct{}

// GetConfig outputs configuration for your account.
func (client *ConfigClient) GetConfig(input *GetConfigInput) (*Config, error) {
	respReader, err := client.executeRequest(http.MethodGet, fmt.Sprintf("/%s/config", client.accountName), nil)
	if respReader != nil {
		defer respReader.Close()
	}
	if err != nil {
		return nil, errwrap.Wrapf("Error executing GetConfig request: {{err}}", err)
	}

	var result *Config
	decoder := json.NewDecoder(respReader)
	if err = decoder.Decode(&result); err != nil {
		return nil, errwrap.Wrapf("Error decoding GetConfig response: {{err}}", err)
	}

	return result, nil
}

type UpdateConfigInput struct {
	// DefaultNetwork is the network that docker containers are provisioned on.
	DefaultNetwork string `json:"default_network"`
}

// UpdateConfig updates configuration values for your account.
// TODO(jen20) Work out a safe way to test this (after networks c implemented)
func (client *ConfigClient) UpdateConfig(input *UpdateConfigInput) (*Config, error) {
	respReader, err := client.executeRequest(http.MethodPut, fmt.Sprintf("/%s/config", client.accountName), input)
	if respReader != nil {
		defer respReader.Close()
	}
	if err != nil {
		return nil, errwrap.Wrapf("Error executing UpdateConfig request: {{err}}", err)
	}

	var result *Config
	decoder := json.NewDecoder(respReader)
	if err = decoder.Decode(&result); err != nil {
		return nil, errwrap.Wrapf("Error decoding UpdateConfig response: {{err}}", err)
	}

	return result, nil
}