package controller

import (
	"github.com/gin-gonic/gin"
	"knowledge/api/requests"
	"knowledge/api/responses"
	"knowledge/extend/aliyun"
	"knowledge/global"
	"knowledge/utils"
)

type Public struct{}

// GetCaptcha 获取验证码
func (b *Public) GetCaptcha(c *gin.Context) {
	id, b64s, err := utils.GenerateCaptcha()
	if err != nil {
		responses.FailWithMessage("验证码获取失败", c)
	}

	responses.OkWithData(gin.H{
		"id":   id,
		"b64s": b64s,
	}, c)
}

// GetOssSign 获取oss签名
func (b *Public) GetOssSign(c *gin.Context) {
	publicRequest := requests.PublicRequest{}
	req := publicRequest.GetOssSign
	if err := c.ShouldBind(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	// 获取oss签名
	dir := "question/"

	// 生成签名
	ossSign, err := aliyun.GetOssSign(dir)
	if err != nil {
		responses.FailWithMessage("获取签名失败", c)
		return
	}

	responses.OkWithData(ossSign, c)
}