package kyc

import (
	"nixcn-cms/internal/exception"
	"nixcn-cms/service/service_kyc"
	"nixcn-cms/utils"

	"github.com/gin-gonic/gin"
)

// @Summary		Create KYC Session
// @Description	Initializes a KYC process (CNRid or Passport) and returns the status or redirect URI.
// @Tags			KYC
// @Accept			json
// @Produce		json
// @Param			payload	body		service_kyc.KycSessionData								true	"KYC session data (Type and Base64 Identity)"
// @Success		200		{object}	utils.RespStatus{data=service_kyc.KycSessionResponse}	"Session created successfully"
// @Failure		400		{object}	utils.RespStatus{data=nil}								"Invalid input or decode failed"
// @Failure		403		{object}	utils.RespStatus{data=nil}								"Missing User ID"
// @Failure		500		{object}	utils.RespStatus{data=nil}								"Internal Server Error / KYC Service Error"
// @Security		ApiKeyAuth
// @Router			/kyc/session [post]
func (self *KycHandler) Session(c *gin.Context) {
	userIdFromHeaderOrig, ok := c.Get("user_id")
	if !ok {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceKyc).
			SetEndpoint(exception.EndpointKycServiceSession).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorMissingUserId).
			Throw(c).
			String()
		utils.HttpResponse(c, 403, errorCode)
		return
	}

	var sessionData service_kyc.KycSessionData
	if err := c.ShouldBindJSON(&sessionData); err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceKyc).
			SetEndpoint(exception.EndpointKycServiceSession).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput).
			SetError(err).
			Throw(c).
			String()
		utils.HttpResponse(c, 400, errorCode)
		return
	}

	sessionData.UserId = userIdFromHeaderOrig.(string)

	kycPayload := &service_kyc.KycSessionPayload{
		Context: c,
		Data:    &sessionData,
	}

	result := self.svc.SessionKyc(kycPayload)

	if result.Common.Exception.Original != exception.CommonSuccess {
		utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String())
		return
	}

	utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String(), result.Data)
}