package event

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

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

// Info retrieves basic information about a specific event.
//
//	@Summary		Get Event Information
//	@Description	Fetches the name, start time, and end time of an event using its UUID.
//	@Tags			Event
//	@Accept			json
//	@Produce		json
//	@Param			event_id	query		string										true	"Event UUID"
//	@Success		200			{object}	utils.RespStatus{data=data.EventIndexDoc}	"Successful retrieval"
//	@Failure		400			{object}	utils.RespStatus{data=nil}					"Invalid Input"
//	@Failure		401			{object}	utils.RespStatus{data=nil}					"Missing User ID / Unauthorized"
//	@Failure		404			{object}	utils.RespStatus{data=nil}					"Event Not Found"
//	@Failure		500			{object}	utils.RespStatus{data=nil}					"Internal Server Error"
//	@Security		ApiKeyAuth
//	@Router			/event/info [get]
func (self *EventHandler) Info(c *gin.Context) {
	userIdOrig, ok := c.Get("user_id")
	if !ok {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceInfo).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorMissingUserId).
			Throw(c).
			String()
		utils.HttpResponse(c, 403, errorCode)
		return
	}

	userId, err := uuid.Parse(userIdOrig.(string))
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusServer).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceInfo).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorUuidParseFailed).
			SetError(err).
			Throw(c).
			String()
		utils.HttpResponse(c, 500, errorCode)
		return
	}

	eventIdOrig := c.Query("event_id")
	eventId, err := uuid.Parse(eventIdOrig)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusServer).
			SetService(exception.ServiceEvent).
			SetEndpoint(exception.EndpointEventServiceInfo).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorUuidParseFailed).
			SetError(err).
			Throw(c).
			String()

		utils.HttpResponse(c, 500, errorCode)
		return
	}

	result := self.svc.GetEventInfo(&service_event.EventInfoPayload{
		Context: c,
		UserId:  userId,
		Data: &service_event.EventInfoData{
			EventId: eventId,
		},
	})

	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)
}