package reachview

import "context"

const (
	eventGetConfiguration     = "get configuration"
	eventCurrentConfiguration = "current configuration"
	eventApplyConfiguration   = "apply configuration"
	eventConfigurationApplied = "configuration applied"
	eventResetConfiguration   = "reset configuration to default"
)

// Configuration fetches and return the current configuration of the ReachRS module
func (r *Client) Configuration(ctx context.Context) (*Configuration, error) {
	configuration := &Configuration{}
	if err := r.ReqResp(ctx, eventGetConfiguration, nil, eventCurrentConfiguration, configuration); err != nil {
		return nil, err
	}
	return configuration, nil
}

type configurationApplied struct {
	Configuration *Configuration `mapstructure:"configuration,omitempty"`
	Result        string         `mapstructure:"result"`
	Constraints   *Constraints   `mapstructure:"Constraints,omitempty"`
}

const (
	// ConfigurationApplySuccess -
	ConfigurationApplySuccess = "success"
	// ConfigurationApplyFailed -
	ConfigurationApplyFailed = "failed"
)

// ApplyConfiguration applies the given configuration
func (r *Client) ApplyConfiguration(ctx context.Context, config *Configuration) (string, *Configuration, error) {
	res := &configurationApplied{}
	if err := r.ReqResp(ctx, eventApplyConfiguration, config, eventConfigurationApplied, res); err != nil {
		return ConfigurationApplyFailed, nil, err
	}
	return res.Result, res.Configuration, nil
}

// ResetConfiguration resets the module configuration to factory defaults
func (r *Client) ResetConfiguration(ctx context.Context) (string, *Configuration, error) {
	res := &configurationApplied{}
	if err := r.ReqResp(ctx, eventResetConfiguration, nil, eventConfigurationApplied, res); err != nil {
		return ConfigurationApplyFailed, nil, err
	}
	return res.Result, res.Configuration, nil
}