package main

import (
	"os"
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/logger"
)

const (
	MethodList = "LIST"
)

var (
	fiberConfig = fiber.Config{
		AppName:                      userAgent,
		ServerHeader:                 userAgent,
		StrictRouting:                true,
		DisableDefaultDate:           true,
		DisablePreParseMultipartForm: true,
		ErrorHandler:                 fiberErrorHandler,
	}
)

func initFiber() *fiber.App {
	// adjust with Hashicorp Vault HTTP API
	haveListMethod := false
	for _, m := range fiber.DefaultMethods {
		if m == MethodList {
			haveListMethod = true
			break
		}
	}
	if !haveListMethod {
		fiberConfig.RequestMethods = append(fiber.DefaultMethods, MethodList)
	}

	_, debug := os.LookupEnv("DEBUG")
	if debug {
		fiberConfig.EnablePrintRoutes = true
	}

	app := fiber.New(fiberConfig)
	app.Use(logger.New(logger.Config{
		TimeInterval: 100 * time.Millisecond,
	}))
	return app
}

func fiberOk(c *fiber.Ctx) error {
	c.Status(fiber.StatusOK)
	return nil
}

func fiberNone(c *fiber.Ctx) error {
	c.Status(fiber.StatusNoContent)
	return nil
}

func fiberErrorHandler(c *fiber.Ctx, err error) error {
	return fiberNone(c)
}