package gameopen

import (
	"crypto/md5"
	"encoding/hex"
	"fmt"
	"strings"
)

func buildQueryUserSign(req QueryUserRequest, key string) string {
	return md5Hex(req.GameID + req.UID + req.Token + req.RoomID + key)
}

func buildUpdateCoinSign(req UpdateCoinRequest, key string) string {
	return md5Hex(
		req.OrderID +
			req.GameID +
			req.RoundID +
			req.UID +
			fmt.Sprintf("%d", req.Coin) +
			fmt.Sprintf("%d", req.Type) +
			fmt.Sprintf("%d", req.RewardType) +
			req.Token +
			req.WinID +
			req.RoomID +
			key,
	)
}

func buildSupplementSign(req SupplementRequest, key string) string {
	return md5Hex(
		req.OrderID +
			req.GameID +
			req.RoundID +
			req.UID +
			fmt.Sprintf("%d", req.Coin) +
			fmt.Sprintf("%d", req.RewardType) +
			req.WinID +
			req.RoomID +
			key,
	)
}

func verifySign(actual, expected string) bool {
	return strings.EqualFold(strings.TrimSpace(actual), strings.TrimSpace(expected))
}

func receiptTypeFromType(typed int) string {
	if typed == 2 {
		return "INCOME"
	}
	return "EXPENDITURE"
}

func md5Hex(value string) string {
	sum := md5.Sum([]byte(value))
	return hex.EncodeToString(sum[:])
}