package models

import (
	"crypto/sha256"
	"encoding/json"
	"fmt"
)

type Session struct {
	Meta

	Title       string `json:"title"`
	Description string `json:"description"`

	Participants map[string]*Participant `json:"participants"`
	Quizzes      map[string]*Quiz        `json:"quizzes"`
	Answers      map[string]*Answer      `json:"answers"`
	Exams        map[string]*Exam        `json:"exams"`
}

func (s *Session) String() string {
	return s.Title
}

func (s *Session) GetHash() string {
	return fmt.Sprintf("%x", sha256.Sum256([]byte(s.Title)))
}

func (s *Session) Marshal() ([]byte, error) {
	return json.Marshal(s)
}

func (s *Session) Unmarshal(data []byte) error {
	return json.Unmarshal(data, s)
}