package main

import (
	"log"
	"sync"

	"bitbucket.org/s_l_teichmann/mtredisalize/common"
)

type ChangeTracker struct {
	mutex sync.Mutex
}

func NewChangeTracker() *ChangeTracker {
	return &ChangeTracker{}
}

func (ct *ChangeTracker) BlockChanged(key []byte) {
	ct.mutex.Lock()
	defer ct.mutex.Unlock()
	var err error
	var coord common.Coord
	if coord, err = common.DecodeStringBytesToCoord(key); err != nil {
		log.Printf("decoding key failed: %s", err)
		return
	}
	log.Printf("changed block: %v", coord)
}

func (ct *ChangeTracker) FlushChanges(url string) (err error) {
	log.Println("change flush triggered")
	return
}