package qcxg

import (
	"context"
	"encoding/json"
	"errors"
	"fmt"

	"hyapi-server/internal/domains/api/dto"
	"hyapi-server/internal/domains/api/services/processors"
)

// a8v3RawResult QCXGA8V3 上游原始字段
type a8v3RawResult struct {
	Usage          string
	RegisterDate   string
	InsuranceMonth string
	VehicleModel   string
	Brand          string
	PlateNo        string
	EngineNo       string
	Vin            string
}

func callA8V3ByVin(ctx context.Context, vinCode string, deps *processors.ProcessorDependencies) (*a8v3RawResult, error) {
	params, err := json.Marshal(dto.QCXGA8V3Req{VinCode: vinCode})
	if err != nil {
		return nil, errors.Join(processors.ErrSystem, err)
	}

	respBytes, err := ProcessQCXGA8V3Request(ctx, params, deps)
	if err != nil {
		return nil, err
	}

	return parseA8V3Result(respBytes)
}

func parseA8V3Result(respBytes []byte) (*a8v3RawResult, error) {
	var raw map[string]interface{}
	if err := json.Unmarshal(respBytes, &raw); err != nil {
		return nil, errors.Join(processors.ErrSystem, err)
	}

	return &a8v3RawResult{
		Usage:          asString(raw["usage"]),
		RegisterDate:   asString(raw["registerDate"]),
		InsuranceMonth: asString(raw["insuranceMonth"]),
		VehicleModel:   asString(raw["clxh"]),
		Brand:          asString(raw["brand"]),
		PlateNo:        asString(raw["cph"]),
		EngineNo:       asString(raw["fdjh"]),
		Vin:            asString(raw["vin"]),
	}, nil
}

func asString(v interface{}) string {
	if v == nil {
		return ""
	}
	switch t := v.(type) {
	case string:
		return t
	default:
		return fmt.Sprint(t)
	}
}