package logical

import (
	"time"
)

// This logic was pulled from the http package so that it can be used for
// encoding wrapped responses as well. It simply translates the logical
// response to an http response, with the values we want and omitting the
// values we don't.
func LogicalResponseToHTTPResponse(input *Response) *HTTPResponse {
	httpResp := &HTTPResponse{
		Data:     input.Data,
		Warnings: input.Warnings,
	}

	if input.Secret != nil {
		httpResp.LeaseID = input.Secret.LeaseID
		httpResp.Renewable = input.Secret.Renewable
		httpResp.LeaseDuration = int(input.Secret.TTL.Seconds())
	}

	// If we have authentication information, then
	// set up the result structure.
	if input.Auth != nil {
		httpResp.Auth = &HTTPAuth{
			ClientToken:      input.Auth.ClientToken,
			Accessor:         input.Auth.Accessor,
			Policies:         input.Auth.Policies,
			TokenPolicies:    input.Auth.TokenPolicies,
			IdentityPolicies: input.Auth.IdentityPolicies,
			Metadata:         input.Auth.Metadata,
			LeaseDuration:    int(input.Auth.TTL.Seconds()),
			Renewable:        input.Auth.Renewable,
			EntityID:         input.Auth.EntityID,
		}
	}

	return httpResp
}

func HTTPResponseToLogicalResponse(input *HTTPResponse) *Response {
	logicalResp := &Response{
		Data:     input.Data,
		Warnings: input.Warnings,
	}

	if input.LeaseID != "" {
		logicalResp.Secret = &Secret{
			LeaseID: input.LeaseID,
		}
		logicalResp.Secret.Renewable = input.Renewable
		logicalResp.Secret.TTL = time.Second * time.Duration(input.LeaseDuration)
	}

	if input.Auth != nil {
		logicalResp.Auth = &Auth{
			ClientToken:      input.Auth.ClientToken,
			Accessor:         input.Auth.Accessor,
			Policies:         input.Auth.Policies,
			TokenPolicies:    input.Auth.TokenPolicies,
			IdentityPolicies: input.Auth.IdentityPolicies,
			Metadata:         input.Auth.Metadata,
			EntityID:         input.Auth.EntityID,
		}
		logicalResp.Auth.Renewable = input.Auth.Renewable
		logicalResp.Auth.TTL = time.Second * time.Duration(input.Auth.LeaseDuration)
	}

	return logicalResp
}

type HTTPResponse struct {
	RequestID     string                 `json:"request_id"`
	LeaseID       string                 `json:"lease_id"`
	Renewable     bool                   `json:"renewable"`
	LeaseDuration int                    `json:"lease_duration"`
	Data          map[string]interface{} `json:"data"`
	WrapInfo      *HTTPWrapInfo          `json:"wrap_info"`
	Warnings      []string               `json:"warnings"`
	Auth          *HTTPAuth              `json:"auth"`
}

type HTTPAuth struct {
	ClientToken      string            `json:"client_token"`
	Accessor         string            `json:"accessor"`
	Policies         []string          `json:"policies"`
	TokenPolicies    []string          `json:"token_policies,omitempty"`
	IdentityPolicies []string          `json:"identity_policies,omitempty"`
	Metadata         map[string]string `json:"metadata"`
	LeaseDuration    int               `json:"lease_duration"`
	Renewable        bool              `json:"renewable"`
	EntityID         string            `json:"entity_id"`
}

type HTTPWrapInfo struct {
	Token           string `json:"token"`
	Accessor        string `json:"accessor"`
	TTL             int    `json:"ttl"`
	CreationTime    string `json:"creation_time"`
	CreationPath    string `json:"creation_path"`
	WrappedAccessor string `json:"wrapped_accessor,omitempty"`
}