package api

import (
	"net/http"
	"strconv"

	"gitea.tecamino.com/paadi/memberDB/models"
	"github.com/gin-gonic/gin"
)

func (a *APIHandler) StartNewEvent(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("StartNewEvent", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var event models.Event
	err := c.BindJSON(&event)
	if err != nil {
		a.logger.Error("StartNewEvent", err)
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	if err := a.DbHandler.StartNewEvent(event); err != nil {
		a.logger.Error("StartNewEvent", err)
		c.JSON(http.StatusBadRequest, gin.H{"message": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"message": "New Event added " + event.Name,
	})
}

func (a *APIHandler) GetEvent(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("GetEvent", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var i int
	var err error

	id := c.Query("id")
	if id != "" {
		i, err = strconv.Atoi(id)
		if err != nil {
			a.logger.Error("GetEvent", err)

			c.JSON(http.StatusInternalServerError, nil)
			return
		}
	}

	events, err := a.DbHandler.GetEvent(uint(i))
	if err != nil {
		a.logger.Error("GetEvent", err)
		c.JSON(http.StatusBadRequest, nil)
		return
	}

	c.JSON(http.StatusOK, events)
}

func (a *APIHandler) UpdateEvent(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("UpdateEvent", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var events []models.Event
	err := c.BindJSON(&events)
	if err != nil {
		a.logger.Error("UpdateEvent", err)
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	for _, event := range events {
		err = a.DbHandler.UpdateEvent(event.Id, event)
		if err != nil {
			a.logger.Error("UpdateEvent", err)
			c.JSON(http.StatusBadRequest, gin.H{
				"message": err.Error(),
			})
			return
		}
	}
	c.JSON(http.StatusOK, gin.H{
		"message": "event(s) updated",
	})
}

func (a *APIHandler) DeleteEvent(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("DeleteEvent", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var err error

	var request struct {
		Ids []uint `json:"ids"`
	}
	err = c.BindJSON(&request)
	if err != nil {
		a.logger.Error("DeleteEvent", err)
		c.JSON(http.StatusBadRequest, nil)
		return
	}

	err = a.DbHandler.DeleteEvent(request.Ids...)
	if err != nil {
		a.logger.Error("DeleteEvent", err)
		c.JSON(http.StatusBadRequest, gin.H{
			"message": err.Error(),
		})
		return
	}
	c.JSON(http.StatusOK, gin.H{
		"message": "event deleted",
	})
}

func (a *APIHandler) AddNewAttendees(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("AddNewAttendees", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var event models.Event
	err := c.BindJSON(&event)
	if err != nil {
		a.logger.Error("AddNewAttendees", err)
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	err = a.DbHandler.AddAttendeesToEvent(event)
	if err != nil {
		a.logger.Error("AddNewAttendees", err)

		c.JSON(http.StatusInternalServerError, gin.H{
			"message": err.Error(),
		})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"message": "attendee(s) added",
	})
}

func (a *APIHandler) DeleteAttendee(c *gin.Context) {
	if !a.DBHandlerIsInitialized() {
		a.logger.Error("DeleteAttendee", "database handler is not initialized")
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	var err error

	var event models.Event
	err = c.BindJSON(&event)
	if err != nil {
		a.logger.Error("DeleteAttendee", err)
		c.JSON(http.StatusInternalServerError, nil)
		return
	}

	err = a.DbHandler.DeleteAttendeesFromEvent(event)
	if err != nil {
		a.logger.Error("DeleteAttendee", err)
		c.JSON(http.StatusInternalServerError, gin.H{
			"message": err.Error(),
		})
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"message": "attendee(s) deleted",
	})
}