package om

import (
	"encoding/json"
	"fmt"
)

// ************************************************** Om.Value.Get.Response **************************************************

type valueGetResponse struct {
	*response

	dst map[string]string
}

func newValueGetResponse(resp *response) *valueGetResponse {
	return &valueGetResponse{
		response: resp,
		dst:      make(map[string]string),
	}
}

func (own *valueGetResponse) Validate() error {
	if own.ok {
		return own.err
	}

	list, ok := own.src["parameterlist"]
	if !ok {
		own.err = fmt.Errorf("[Om.Value.Get] response parameterlist not found")
	} else {
		parameters := list.([]any)
		faults := make([]map[string]string, 0, len(parameters))
		for _, param := range parameters {
			p := make(map[string]string)
			for k, v := range param.(map[string]any) {
				p[k] = v.(string)
			}

			if p["fault_code"] != "" {
				faults = append(faults, p)
			}
			own.dst[p["parameter"]] = p["value"]
		}

		if len(faults) != 0 {
			faultBytes, _ := json.Marshal(faults)
			own.err = fmt.Errorf("[Om.Value.Get] response has fault parameter: %v", string(faultBytes))
		}
	}

	own.ok = true
	return own.err
}

func (own *valueGetResponse) GetData() any {
	if !own.ok {
		own.Validate()
	}

	return own.dst
}

// ************************************************** Om.Value.Set.Response **************************************************

type valueSetResponse struct {
	*response
}

func newValueSetResponse(resp *response) *valueSetResponse {
	return &valueSetResponse{
		response: resp,
	}
}

func (own *valueSetResponse) Validate() error {
	if own.ok {
		return own.err
	}

	stat, ok := own.src["status"]
	if !ok {
		own.err = fmt.Errorf("[Om.Value.Set] response status not found")
	} else if stat.(string) != STATUS_OK {
		if fail, ok := own.src["failure"]; !ok {
			own.err = fmt.Errorf("[Om.Value.Set] response status error: %v", stat)
		} else {
			failBytes, _ := json.Marshal(fail)
			own.err = fmt.Errorf("[Om.Value.Set] response failure error: %s", string(failBytes))
		}
	}

	own.ok = true
	return own.err
}

func (own *valueSetResponse) GetData() any {
	return nil
}