package api

import (
	"strconv"

	"srs.epita.fr/fic-server/libfic"

	"github.com/julienschmidt/httprouter"
)

func init() {
	router.GET("/api/exercices/", apiHandler(listExercices))

	router.GET("/api/exercices/:eid", apiHandler(exerciceHandler(showExercice)))
}

func exerciceHandler(f func(QAUser, fic.Exercice, []byte) (interface{}, error)) func(QAUser, httprouter.Params, []byte) (interface{}, error) {
	return func(u QAUser, ps httprouter.Params, body []byte) (interface{}, error) {
		if eid, err := strconv.ParseInt(string(ps.ByName("eid")), 10, 64); err != nil {
			return nil, err
		} else if exercice, err := fic.GetExercice(eid); err != nil {
			return nil, err
		} else {
			return f(u, exercice, body)
		}
	}
}

func listExercices(_ QAUser, _ httprouter.Params, body []byte) (interface{}, error) {
	// List all exercices
	return fic.GetExercices()
}

func showExercice(_ QAUser, exercice fic.Exercice, body []byte) (interface{}, error) {
	return exercice, nil
}