package event

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

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

// AttendanceList handles the retrieval of the attendance list for a specific event.
//
//	@Summary		Get Attendance List
//	@Description	Retrieves the list of attendees, including user info and decrypted KYC data for a specified event.
//	@Tags			Event
//	@Produce		json
//	@Param			event_id		query		string															true	"Event UUID"
//	@Param			X-Api-Version	header		string															true	"latest"
//	@Success		200				{object}	utils.RespStatus{data=[]service_event.AttendanceListResponse}	"Successful retrieval"
//	@Failure		400				{object}	utils.RespStatus{data=nil}										"Invalid Input"
//	@Failure		401				{object}	utils.RespStatus{data=nil}										"Unauthorized"
//	@Failure		500				{object}	utils.RespStatus{data=nil}										"Internal Server Error"
//	@Router			/event/attendance [get]
func (self *EventHandler) AttendanceList(c *gin.Context) {
	eventIdStr := c.Query("event_id")

	eventId, err := uuid.Parse(eventIdStr)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceEvent).
			SetEndpoint(exception.EndpointEventServiceAttendanceList).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput). // 或者 CommonErrorUuidParseFailed
			SetError(err).
			Throw(c).
			String()

		utils.HttpResponse(c, 400, errorCode)
		return
	}

	listData := service_event.AttendanceListData{
		EventId: eventId,
	}

	result := self.svc.AttendanceList(&service_event.AttendanceListPayload{
		Context: c,
		Data:    &listData,
	})

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

	utils.HttpResponse(c, 200, result.Common.Exception.String(), result.Data)
}