package handlers

import (
	"encoding/json"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	nocodelytics_schemas "github.com/nocodelytics/schemas"
	"github.com/nocodelytics/tracker-api/internal"
	"github.com/xeipuuv/gojsonschema"
)

var schema = nocodelytics_schemas.BuildEventsQueueInputSchemas()

func TrackEvent(c *gin.Context) {
	nc := internal.NewNatsConnection()
	id, _ := uuid.NewRandom()
	ipAddress := c.ClientIP()
	userAgent := c.Request.Header.Get("User-Agent")
	createdAt := time.Now().Format(time.RFC3339)

	data := gin.H{
		"id":        id,
		"ip":        ipAddress,
		"userAgent": userAgent,
		"createdAt": createdAt,
	}

	for k, v := range c.Request.URL.Query() {
		data[k] = v[0]
	}

	documentLoader := gojsonschema.NewGoLoader(data)
	result, err := schema.Validate(documentLoader)
	if err != nil {
		panic(err)
	}

	var errors []string
	for _, val := range result.Errors() {
		errors = append(errors, val.String())
	}
	if !result.Valid() {
		c.JSON(http.StatusBadRequest, gin.H{"errors": errors})
		return
	}

	jsonData, _ := json.Marshal(data)
	nc.Publish("events", []byte(jsonData))

	c.JSON(http.StatusOK, gin.H{
		"ok": 1,
		"id": id,
	})

}