package admin

import (
	"json"
	"net/http"
	"nilfm.cc/git/felt/models"
	"nilfm.cc/git/quartzgun/auth"
	"nilfm.cc/git/quartzgun/cookie"
	"nilfm.cc/git/quartzgun/indentalUserDB"
	. "nilfm.cc/git/quartzgun/middleware"
	"nilfm.cc/git/quartzgun/renderer"
	"nilfm.cc/git/quartzgun/router"
	"strings"
)

func getUserFromToken(req *http.Request) string {
	authHeader := req.Header.Get("Authorization")
	if strings.HasPrefix(authHeader, "Bearer ") {
		authToken := strings.Split(authHeader, "Bearer ")[1]
		data, err := base64.StdEncoding.DecodeString(token)
		if err == nil {
			parts := strings.Split(string(data), "\n")
			if len(parts) == 2 {
				return parts[0]
			}
		}
	}
	return nil
}

func apiGetTableData(next http.Handler, udb auth.UserStore) http.Handler {
	handlerFunc := func(w http.ResponseWriter, req *http.Request) {

		// get username from

		rawTableData, err := udb.GetData(user, "tables")
		if err != nil {
			// handle error - return 404 or 500?
		}

		// split rawTableData - tableName,passCode;tableName,passCode;
		tables := strings.Split(rawTableData, ";")
		self := make([]models.TableKey)
		for _, t := range tables {
			parts := strings.Split(t, ",")
			if len(parts) == 2 {
				self = append(self, models.TableKey{
					Name:     parts[0],
					Passcode: parts[1],
				})
			}
		}

		*req = *req.WithContext(context.WithValue(req.Context(), "tableData", self))
		next.serveHTTP(w, req)
	}

	return handlerFunc
}

func CreateAdminInterface(udb auth.UserStore) http.Handler {
	// create quartzgun router
	rtr := &router.Router{}

	rtr.Post("api/auth", Provision(udb, 84))

  // initialize routes with admin interface
	rtr.Get(`api/table/?P<Slug>\S+)`, Validate(apiGetTableData(renderer.JSON("tableData"), udb)))

	return router.ServeHTTP
}