package main

import (
	"fmt"
	"git.gammaspectra.live/P2Pool/consensus/v3/p2pool/sidechain"
	"git.gammaspectra.live/P2Pool/consensus/v3/types"
	cmdutils "git.gammaspectra.live/P2Pool/observer-cmd-utils/utils"
	"math"
	"strconv"
	"strings"
	"time"
)

func EffortColor(effort float64) string {
	effortColor := FormatColorRed
	if effort < 200 {
		effortColor = FormatColorYellow
	}
	if effort < 100 {
		effortColor = FormatColorGreen
	}
	return effortColor
}

func TimeElapsed(timestamp uint64) string {
	diff := time.Since(time.Unix(int64(timestamp), 0).UTC())

	days := int64(diff.Hours() / 24)
	hours := int64(diff.Hours()) % 24
	minutes := int64(diff.Minutes()) % 60
	seconds := int64(diff.Seconds()) % 60

	var result []string
	if days > 0 {
		result = append(result, strconv.FormatInt(days, 10)+"d")
	}
	if hours > 0 {
		result = append(result, strconv.FormatInt(hours, 10)+"h")
	}
	if minutes > 0 {
		result = append(result, strconv.FormatInt(minutes, 10)+"m")
	}
	if seconds > 0 {
		result = append(result, strconv.FormatInt(seconds, 10)+"s")
	}

	if timestamp == 0 {
		return "never"
	} else if len(result) == 0 {
		return "just now"
	} else {
		return strings.Join(result, " ") + " ago"
	}
}

func GetShareLink(host string, sideHeight uint64, mainId types.Hash) string {
	uHeight := (sideHeight << 16) | (uint64(mainId[0]) << 8) | uint64(mainId[1])
	return fmt.Sprintf("%s/s/%s", host, cmdutils.EncodeBinaryNumber(uHeight))
}

func GetPayoutLink[T uint64 | uint32 | int](host string, sideHeight uint64, index T, consensus *sidechain.Consensus) string {
	payoutIndex := (sideHeight << uint64(math.Ceil(math.Log2(float64(consensus.ChainWindowSize*4))))) | uint64(index)
	return fmt.Sprintf("%s/p/%s", host, cmdutils.EncodeBinaryNumber(payoutIndex))
}