package miner

import (
    "math/big"

    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/logger"
    "github.com/ethereum/go-ethereum/pow/ezp"
)

var minerlogger = logger.NewLogger("MINER")

type Miner struct {
    worker *worker

    MinAcceptedGasPrice *big.Int
    Extra               string

    Coinbase []byte
    mining   bool
}

func New(coinbase []byte, eth core.Backend, minerThreads int) *Miner {
    miner := &Miner{
        Coinbase: coinbase,
        worker:   newWorker(coinbase, eth),
    }

    for i := 0; i < minerThreads; i++ {
        miner.worker.register(NewCpuMiner(i, ezp.New()))
    }

    return miner
}

func (self *Miner) Mining() bool {
    return self.mining
}

func (self *Miner) Start() {
    self.mining = true

    self.worker.start()

    self.worker.commitNewWork()
}

func (self *Miner) Stop() {
    self.mining = false

    self.worker.stop()
}

func (self *Miner) HashRate() int64 {
    var tot int64
    for _, agent := range self.worker.agents {
        tot += agent.Pow().GetHashrate()
    }

    return tot
}