package routes

import (
	"basic-sensor-receiver/app"
	"net/http"
	"strconv"

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

type postAlertsBody struct {
	ContactPointId  int64  `json:"contactPointId"`
	Name            string `json:"name"`
	Condition       string `json:"condition"`
	TriggerInterval int64  `json:"triggerInterval"`
	CustomMessage   string `json:"customMessage"`
}

type putAlertsBody struct {
	ContactPointId  int64  `json:"contactPointId"`
	Name            string `json:"name"`
	Condition       string `json:"condition"`
	TriggerInterval int64  `json:"triggerInterval"`
	CustomMessage   string `json:"customMessage"`
}

func GetAlerts(s *app.Server) gin.HandlerFunc {
	return func(c *gin.Context) {
		alerts, err := s.Services.Alerts.GetList()

		if err != nil {
			c.AbortWithError(http.StatusInternalServerError, err)
			return
		}

		c.JSON(http.StatusOK, alerts)
	}
}

func PostAlerts(s *app.Server) gin.HandlerFunc {
	return func(c *gin.Context) {
		body := postAlertsBody{}

		if err := c.BindJSON(&body); err != nil {
			c.AbortWithError(http.StatusBadRequest, err)
			return
		}

		alert, err := s.Services.Alerts.Create(body.ContactPointId, body.Name, body.Condition, body.TriggerInterval, body.CustomMessage)

		if err != nil {
			c.AbortWithError(http.StatusInternalServerError, err)
			return
		}

		c.JSON(http.StatusOK, alert)
	}
}

func PutAlert(s *app.Server) gin.HandlerFunc {
	return func(c *gin.Context) {
		body := putAlertsBody{}

		alertId, err := getAlertId(c)

		if err != nil {
			c.AbortWithError(http.StatusBadRequest, err)
			return
		}

		if err := c.BindJSON(&body); err != nil {
			c.AbortWithError(http.StatusBadRequest, err)
			return
		}

		alert, err := s.Services.Alerts.Update(alertId, body.ContactPointId, body.Name, body.Condition, body.TriggerInterval, body.CustomMessage)

		if err != nil {
			c.AbortWithError(http.StatusInternalServerError, err)
			return
		}

		c.JSON(http.StatusOK, alert)
	}
}

func GetAlert(s *app.Server) gin.HandlerFunc {
	return func(c *gin.Context) {
		alertId, err := getAlertId(c)

		if err != nil {
			c.AbortWithError(http.StatusBadRequest, err)
			return
		}

		alert, err := s.Services.Alerts.GetById(alertId)

		if err != nil {
			c.AbortWithError(http.StatusInternalServerError, err)
			return
		}

		c.JSON(http.StatusOK, alert)
	}
}

func DeleteAlert(s *app.Server) gin.HandlerFunc {
	return func(c *gin.Context) {
		alertId, err := getAlertId(c)

		if err != nil {
			c.AbortWithError(http.StatusBadRequest, err)
			return
		}

		if err := s.Services.Alerts.DeleteById(alertId); err != nil {
			c.AbortWithError(http.StatusInternalServerError, err)
			return
		}

		c.Status(http.StatusOK)
	}
}

func getAlertId(c *gin.Context) (int64, error) {
	id := c.Param("alertId")

	return strconv.ParseInt(id, 10, 64)
}