package wechatopen

import (
	"context"
	"encoding/json"
	"fmt"
	"go.dtapp.net/gorequest"
	"net/http"
)

type CgiBinComponentApiCreatePreAuthCodenResponse struct {
	PreAuthCode string `json:"pre_auth_code"` // 预授权码
	ExpiresIn   int64  `json:"expires_in"`    // 有效期，单位：秒
}

type CgiBinComponentApiCreatePreAuthCodenResult struct {
	Result CgiBinComponentApiCreatePreAuthCodenResponse // 结果
	Body   []byte                                       // 内容
	Http   gorequest.Response                           // 请求
}

func newCgiBinComponentApiCreatePreAuthCodenResult(result CgiBinComponentApiCreatePreAuthCodenResponse, body []byte, http gorequest.Response) *CgiBinComponentApiCreatePreAuthCodenResult {
	return &CgiBinComponentApiCreatePreAuthCodenResult{Result: result, Body: body, Http: http}
}

// CgiBinComponentApiCreatePreAuthCoden 预授权码
// https://developers.weixin.qq.com/doc/oplatform/Third-party_Platforms/2.0/api/ThirdParty/token/pre_auth_code.html
func (c *Client) CgiBinComponentApiCreatePreAuthCoden(ctx context.Context) (*CgiBinComponentApiCreatePreAuthCodenResult, error) {
	// 检查
	err := c.checkComponentIsConfig()
	if err != nil {
		return nil, err
	}
	// 参数
	param := gorequest.NewParams()
	param["component_appid"] = c.GetComponentAppId() // 第三方平台 appid
	params := gorequest.NewParamsWith(param)
	// 请求
	request, err := c.request(ctx, fmt.Sprintf(apiUrl+"/cgi-bin/component/api_create_preauthcode?component_access_token=%v", c.GetComponentAccessToken(ctx)), params, http.MethodPost)

	if err != nil {
		return nil, err
	}
	// 定义
	var response CgiBinComponentApiCreatePreAuthCodenResponse
	err = json.Unmarshal(request.ResponseBody, &response)
	if err != nil {
		return nil, err
	}
	return newCgiBinComponentApiCreatePreAuthCodenResult(response, request.ResponseBody, request), nil
}