package Api

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"io/ioutil"
	"os"
)

func Tiles(c *gin.Context) {

	c.Header("Access-Control-Allow-Origin", c.Request.Header.Get("Origin"))
	c.Header("Access-Control-Allow-Credentials", "true")

	dir, _ := os.Getwd()

	//path := dir + "/tiles/" + c.Query("z") + "/" + c.Query("x") + "/" + c.Query("y") + ".jpg"
	path := fmt.Sprintf("%s/tiles/%s/%s/%s.jpg",dir,c.Query("z"),c.Query("x"),c.Query("y"))

	if !PathExists(path) {
		path = dir + "/tiles/blank.png"
	}

	b, err := ioutil.ReadFile(path)
	if err != nil {
		fmt.Print(err)
	}


	c.Data(200, "Content-type: image/jpeg", b)
}

func PathExists(path string) (bool) {
	_, err := os.Stat(path)
	if err == nil {
		return true
	}
	if os.IsNotExist(err) {
		return false
	}
	return false
}