package database

import (
	"net"
	"time"

	"github.com/bdlm/log"

	"dev.sum7.eu/genofire/golang-lib/file"
	"dev.sum7.eu/genofire/golang-lib/worker"
)

type DB struct {
	Clients map[string]*Client `json:"client"`
	APs     map[string]*AP     `json:"ap"`
	worker  *worker.Worker
}

func NewDB(path string) *DB {
	db := &DB{
		Clients: make(map[string]*Client),
		APs:     make(map[string]*AP),
	}

	file.ReadJSON(path, db)

	for addr, client := range db.Clients {
		client.Addr, _ = net.ParseMAC(addr)
		if ap, ok := db.APs[client.APAddr]; ok {
			client.AP = ap
		}
	}

	db.worker = worker.NewWorker(time.Minute, func() {
		file.SaveJSON(path, db)
		log.Debug("save db state")
	})

	db.worker.Start()

	return db
}

func (db *DB) Close() {
	if db.worker != nil {
		db.worker.Close()
	}
}