package handlers

import (
	"net/http"
	"strings"

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

func CorsMiddleware(origincfg string) gin.HandlerFunc {
	origins := strings.Split(origincfg, ";")
	if origins[0] == "" {
		panic("zero cors origins wtf is your config")
	}
	return func(c *gin.Context) {
		origin := c.GetHeader("Origin")
		if !lo.Contains(origins, origin) {
			origin = origins[0]
		}
		c.Writer.Header().Set("Access-Control-Allow-Origin", origin)
		// c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, Authorization")
		c.Writer.Header().Set("Access-Control-Allow-Methods", "OPTIONS, GET, POST, PATCH, DELETE, PUT")

		if c.Request.Method == "OPTIONS" {
			c.AbortWithStatus(http.StatusNoContent)
			return
		}

		c.Next()
	}
}