package main

import (
	"encoding/json"
	"go.etcd.io/bbolt"
	"log"
	"net/http"
	"time"
)

type momentHandler struct {
	DB *bbolt.DB
}

func (mh *momentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	defer r.Body.Close()
	sess, err := NewSession(w, r)
	if err != nil {
		log.Println(err)
		return
	}
	defer sess.Flush()

	if r.Method == http.MethodGet {
		moments, err := loadMoments(mh.DB, "")
		if err != nil {
			log.Println(err)
		}

		w.Header().Add("Content-Type", "application/json; charset=utf8")

		err = json.NewEncoder(w).Encode(&moments)
		if err != nil {
			log.Println(err)
		}
	} else if r.Method == http.MethodPost {
		// save input values
		err := r.ParseForm()
		if err != nil {
			log.Println(err)
			return
		}
		memo := r.FormValue("memo")
		timestamp := time.Now()
		err = saveMemo(mh.DB, timestamp, memo)
		if err != nil {
			log.Println(err)
		}
		http.Redirect(w, r, "/", http.StatusFound)
	} else {
		http.Error(w, "Method Not Allowed", 405)
		return
	}
}