package utils

import (
	"bytes"
	"compress/gzip"
	"encoding/json"
	"fmt"
	"github.com/shopspring/decimal"
	"io"
	"io/ioutil"
	"matchmaking-system/internal/pkg/flags"
	"matchmaking-system/internal/pkg/logging/applogger"
	"math/rand"
	"net/http"
	"regexp"
	"strconv"
	"strings"
	"time"
	"unicode"
)

// HttpGet
//
//	@Description:
//	@param url
//	@return string
//	@return error
func HttpGet(url string) (string, error) {
	resp, err := http.Get(url)
	if err != nil {
		return flags.SetNull, err
	}
	defer resp.Body.Close()
	result, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return flags.SetNull, err
	}

	return string(result), err
}

// HttpGetDoKey
//
//	@Description:
//	@param url
//	@return string
//	@return error
func HttpGetDoKey(url string) (string, error) {
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return flags.SetNull, err
	}
	req.Header.Add("X-RapidAPI-Key", flags.SetNull)
	req.Header.Add("X-RapidAPI-Host", flags.SetNull)

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		return flags.SetNull, err
	}
	defer res.Body.Close()

	body, err := io.ReadAll(res.Body)
	if err != nil {
		return flags.SetNull, err
	}

	return string(body), nil
}

// HttpGetApi
//
//	@Description:
//	@param url
//	@return map[string]interface{}
//	@return error
func HttpGetApi(url string) (map[string]interface{}, error) {
	resp, err := http.Get(url)
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	var status map[string]interface{}
	if err := json.NewDecoder(resp.Body).Decode(&status); err != nil {
		return nil, err
	}

	return status, err
}

// HttpGetDoKeyMap
//
//	@Description:
//	@param url
//	@return map[string]interface{}
//	@return error
func HttpGetDoKeyMap(url string) (map[string]interface{}, error) {
	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return nil, err
	}

	req.Header.Add("X-RapidAPI-Key", flags.SetNull)
	req.Header.Add("X-RapidAPI-Host", flags.SetNull)

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		return nil, err
	}
	defer res.Body.Close()

	var status map[string]interface{}
	if err := json.NewDecoder(res.Body).Decode(&status); err != nil {
		return nil, err
	}

	return status, nil
}

// HttpPost
//
//	@Description:
//	@param url
//	@param body
//	@return string
//	@return error
func HttpPost(url string, body string) (string, error) {
	resp, err := http.Post(url, "application/json", strings.NewReader(body))
	if err != nil {
		return flags.SetNull, err
	}
	defer resp.Body.Close()
	result, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return flags.SetNull, err
	}

	return string(result), err
}

// ReplaceStr
//
//	@Description: 字符串替换空字符串
//	@param value
//	@return string
func ReplaceStr(value string) string {
	return strings.Replace(value, " ", flags.SetNull, 1)
}

// ReplaceStrByValue
//
//	@Description: 字符串替换 value替换为"-"
//	@param str
//	@param value
//	@return string
func ReplaceStrByValue(str, value string) string {
	return strings.Replace(str, value, "-", 1)
}

// IntegerInit
//
//	@Description:
//	@param value
//	@return int
func IntegerInit(value string) int {
	in, err := strconv.Atoi(value)
	if err != nil {
		return 0
	}
	return in
}

// TimeMaoSendToString
//
//	@Description: int64 - string
//	@param i
//	@return string
func TimeMaoSendToString(i int64) string {
	t := time.Unix(0, i*int64(time.Microsecond))

	return t.Format(flags.TimeLayout)
}

// TimeDateToMaoSend
//
//	@Description: time - int64
//	@param t
//	@return int64
func TimeDateToMaoSend(t time.Time) int64 {
	now := time.Now()
	fmt.Println(now)
	return now.UnixMicro()
}

// TimeStringToTime
//
//	@Description: string - time
//	@param t
//	@return time.Time
func TimeStringToTime(t string) time.Time {
	loc, err := time.LoadLocation("Local")
	if err != nil {
		return time.Time{}
	}
	theTime, err := time.ParseInLocation(flags.LayoutTime, t, loc)
	if err != nil {
		return time.Time{}
	}

	return theTime
}

// TimeStringToIn64
//
//	@Description: string - int64
//	@param t
//	@return int64
func TimeStringToIn64(t string) int64 {
	loc, err := time.LoadLocation("Local")
	if err != nil {
		return int64(0)
	}
	theTime, err := time.ParseInLocation(flags.LayoutTime, t, loc)
	if err != nil {
		return int64(0)
	}

	return theTime.UnixMicro()
}

// DealPrice
//
//	@Description:
//	@param types
//	@param limitPrice
//	@param marketPrice
//	@return decimal.Decimal
func DealPrice(types int, limitPrice, marketPrice string) decimal.Decimal {
	switch types {
	case 1:
		return decimal.RequireFromString(limitPrice)
	case 2:
		return decimal.RequireFromString(marketPrice)
	default:
		return decimal.Zero
	}
}

// GZipDecompress
//
//	@Description:
//	@param input
//	@return string
//	@return error
func GZipDecompress(input []byte) (string, error) {
	buf := bytes.NewBuffer(input)
	reader, gzipErr := gzip.NewReader(buf)
	if gzipErr != nil {
		return flags.SetNull, gzipErr
	}
	defer reader.Close()

	result, readErr := ioutil.ReadAll(reader)
	if readErr != nil {
		return flags.SetNull, readErr
	}

	return string(result), nil
}

// Difference
//
//	@Description: [生成指定范围的随机小数.注:很不智能,需要限制min和max前面的数字必须相同例如min:0.0001 max:0.0005]
//	@return decimal.Decimal
func Difference() decimal.Decimal {
	rad := RandFloat64(flags.MinDifference, flags.MaxDifference)

	return decimal.NewFromFloat(rad)
}

// RandFloat64
//
//	@Description:
//	@param min
//	@param max
//	@return float64
func RandFloat64(min, max float64) float64 {
	my_min := strconv.FormatFloat(min, 'f', -1, 64)
	my_max := strconv.FormatFloat(max, 'f', -1, 64)

	if len(my_min) != len(my_max) {
		return 0
	} else {
		prefix := flags.SetNull
		suffix := flags.SetNull
		suffix1 := flags.SetNull
		sw := 0
		for i := 0; i < len(my_min); i++ {
			str1 := string(my_min[i])
			str2 := string(my_max[i])
			if sw == 0 {
				if my_min[i] == my_max[i] {
					prefix = prefix + str1
				} else {
					sw = 1
					suffix = suffix + str1
					suffix1 = suffix1 + str2
				}
			} else {
				suffix = suffix + str1
				suffix1 = suffix1 + str2
			}
		}
		//前缀字符串转整数
		prefix1, err := strconv.ParseInt(suffix, 10, 64)
		if err != nil {
			applogger.Error("prefix1 ParseInt err: %v", err)
			return min
		}
		prefix2, err := strconv.ParseInt(suffix1, 10, 64)
		if err != nil {
			applogger.Error("prefix2 ParseInt err: %v", err)
			return min
		}
		//生成随机整数
		sjz := RandInt64(prefix1, prefix2)
		//随机整数转字符串
		sjz_str := strconv.FormatInt(sjz, 10)
		//前缀拼接随机字符串
		all_str := prefix + sjz_str
		//全字符串转浮点数
		result, _ := strconv.ParseFloat(all_str, 64)

		return result
	}
}

// RandInt64
//
//	@Description:
//	@param min
//	@param max
//	@return int64
func RandInt64(min, max int64) int64 {
	if min >= max || min == 0 || max == 0 {
		return max
	}
	rand.Seed(time.Now().UnixNano())

	return rand.Int63n(max-min) + min
}

// RandInt
//
//	@Description: 随机[1,2]整数
//	@return decimal.Decimal
func RandInt() decimal.Decimal {
	rand.Seed(time.Now().UnixNano())
	randomInt := rand.Intn(2) + 1

	return decimal.RequireFromString(strconv.Itoa(randomInt))
}

// CheckTime
//
//	@Description: 判断当前时间是否在区间内["09:00"~"09:05"]
//	@param start
//	@param end
//	@return bool
func CheckTime(start, end string) bool {
	current, _ := time.Parse("15:04", time.Now().Format("15:04"))
	startTime, _ := time.Parse("15:04", start)
	endTime, _ := time.Parse("15:04", end)

	if current.After(startTime) && current.Before(endTime) || current.Equal(startTime) || current.Equal(endTime) {
		return true
	} else {
		return false
	}
}

// CheckInPlateTime
//
//	@Description: 判定股票市场是否盘中
//	@param openTime
//	@param closeTime
//	@return bool
func CheckInPlateTime(timeValue flags.TimeValue) bool {
	var checkBool bool
	dateTime, _ := time.Parse(flags.LayoutOne, time.Now().Format(flags.LayoutOne))
	// 判定上午盘
	checkAmTime := dateTime.Equal(timeValue.AmOpenTime) || dateTime.Equal(timeValue.AmCloseTime)
	if timeValue.AmOpenTime.Before(timeValue.AmCloseTime) {
		// 同一天
		if dateTime.After(timeValue.AmOpenTime) && dateTime.Before(timeValue.AmCloseTime) || checkAmTime {
			checkBool = true
		}
	} else {
		// 跨天
		if dateTime.After(timeValue.AmOpenTime) || dateTime.Before(timeValue.AmCloseTime) || checkAmTime {
			checkBool = true
		}
	}
	// 判定下午盘
	checkPmTime := dateTime.Equal(timeValue.PmOpenTime) || dateTime.Equal(timeValue.PmCloseTime)
	if timeValue.PmOpenTime.Before(timeValue.PmCloseTime) {
		// 同一天
		if dateTime.After(timeValue.PmOpenTime) && dateTime.Before(timeValue.PmCloseTime) || checkPmTime {
			checkBool = true
		}
	} else {
		// 跨天
		if dateTime.After(timeValue.PmOpenTime) || dateTime.Before(timeValue.PmCloseTime) || checkPmTime {
			checkBool = true
		}
	}

	return checkBool
}

// CheckTimeUTC
//
//	@Description: 判断时间是否在区间内
//	@param start
//	@param end
//	@return bool
func CheckTimeUTC(start, end string) bool {
	current, _ := time.Parse(flags.LayoutTime, time.Now().Format(flags.LayoutTime))
	startTime, _ := time.Parse(flags.LayoutTime, start)
	endTime, _ := time.Parse(flags.LayoutTime, end)

	if current.After(startTime) && current.Before(endTime) || current.Equal(startTime) || current.Equal(endTime) {
		return true
	} else {
		return false
	}
}

// GetTime
//
//	@Description: 获取时间格式["09:00"]
//	@return string
func GetTime() string {
	// 获取当前时间
	currentTime := time.Now()

	// 获取当前时间的小时和分钟
	hour := currentTime.Hour()
	minute := currentTime.Minute()

	// 打印小时和分钟
	return fmt.Sprintf("%02d:%02d", hour, minute)
}

// GetAddTime
//
//	@Description: 新增时间
//	@param st
//	@param t
//	@return string
func GetAddTime(st string, t string) string {
	startTime, _ := time.Parse("15:04", st)

	duration, _ := time.ParseDuration(t)

	endTime := startTime.Add(duration)

	return endTime.Format("15:04")
}

// StrReplace
//
//	@Description: 替换空字符串
//	@param str
//	@return string
func StrReplace(str string) string {
	return strings.Replace(string(str), " ", flags.SetNull, -1)
}

// IsNumber
//
//	@Description: 正则判定是否为整数或者小数
//	@param input
//	@return bool
func IsNumber(input string) bool {
	numberRegex := regexp.MustCompile(`^(-)?[0-9]+(\.[0-9]+)?$`)

	return numberRegex.MatchString(input)
}

// IsNumberInt
//
//	@Description: 正则判定是否正整数
//	@param input
//	@return bool
func IsNumberInt(input string) bool {
	numberRegex := regexp.MustCompile(`^[1-9]\d*$`)

	return numberRegex.MatchString(input)
}

// DecimalsPrice
//
//	@Description: 处理小数
//	@param price
//	@return string
func DecimalsPrice(price string) string {
	if len(price) == 0 {
		return flags.SetNull
	}
	num, err := strconv.ParseFloat(price, 64)
	if err != nil {
		applogger.Error("DecimalsPrice err:%", err)
		return flags.SetNull
	}

	return strconv.FormatFloat(num, 'f', -1, 64)
}

// DecimlsStrInt
//
//	@Description: 定义下单判定比例
//	@return decimal.Decimal
func DecimalsStrInt() decimal.Decimal {
	return decimal.RequireFromString(flags.OrderCheck)
}

// TimeAddDay
//
//	@Description: 时间+天+时分秒
//	@param day
//	@return time.Time
func TimeAddDay(day string) (time.Time, error) {
	dayInt, err := strconv.Atoi(day)
	if err != nil {
		return time.Time{}, err
	}
	// 获取当前时间
	currentTime := time.Now()
	// 创建一个表示指定天数的 Duration (24小时 * 天数)
	duration := time.Duration(dayInt) * 24 * time.Hour
	// 把 Duration 添加到当前时间上
	return currentTime.Add(duration), nil
}

// TimeAddDayZero
//
//	@Description: 时间+天
//	@param day
//	@return time.Time
//	@return error
func TimeAddDayZero(dayInt int) time.Time {
	// 获取当前时间
	currentTime := time.Now()
	// 创建一个表示指定天数的 Duration (24小时 * 天数)
	duration := time.Duration(dayInt) * 24 * time.Hour
	// 把 Duration 添加到当前时间上
	timeFormat := currentTime.Add(duration).Format(flags.LayoutZero)
	// string-time
	parsedTime, err := time.Parse(flags.LayoutZero, timeFormat)
	if err != nil {
		return time.Time{}
	}

	return parsedTime
}

// TimeAddDaySend
//
//	@Description: 时间+天
//	@param day
//	@return time.Time
//	@return error
func TimeAddDaySend(day string) (time.Time, error) {
	dayInt, err := strconv.Atoi(day)
	if err != nil {
		return time.Time{}, err
	}
	dayS := dayInt - 1

	// 当前时间
	currentTime := time.Now()
	// 创建一个表示指定天数的 Duration (24小时 * 天数)
	duration := time.Duration(dayS) * 24 * time.Hour
	// time-string
	timeFormat := currentTime.Add(duration).Format(flags.LayoutZero)
	// string-time
	parsedTime, err := time.Parse(flags.LayoutZero, timeFormat)
	if err != nil {
		return time.Time{}, err
	}

	return parsedTime, nil
}

// TimeStopTime
//
//	@Description: 处理期权到期时间
//	@param day
//	@return time.Time
//	@return error
func TimeStopTime(day string) (time.Time, error) {
	dayStr := fmt.Sprintf("%v 00:00:00", day)
	parsedTime, err := time.Parse(flags.LayoutZero, dayStr)
	if err != nil {
		return time.Time{}, err
	}

	return parsedTime, nil
}

// TimeYYYMMDD
//
//	@Description: 期权到期时间和当前时间判定是否相同-相同不容许下单
//	@param day
//	@return time.Time
//	@return error
func TimeYYYMMDD(day string) bool {
	timeNow := time.Now().Format(flags.TimeFormat)
	if timeNow == day {
		return false
	}
	return true
}

// TimeComparison
//
//	@Description: 时间校对(时间到期平仓)
//	@param stopTime
//	@return bool
func TimeComparison(stopTime time.Time) bool {
	time1 := time.Now()
	time2 := stopTime.Add(time.Hour * 17)

	// 判断 time1 是否在 time2 之前
	if time1.Before(time2) {
		return false
	}

	// 判断两个时间是否相同
	if time1.Equal(time2) {
		return true
	}

	// 判断 time1 是否在 time2 之后
	if time1.After(time2) {
		return true
	}

	return false
}

// MapToString
//
//	@Description: map[string]string 转 string
//	@param m
//	@return string
//	@return error
func MapToString(m map[string]string) (string, error) {
	jsonBytes, err := json.Marshal(m)
	if err != nil {
		return "", err
	}
	buffer := bytes.NewBuffer(jsonBytes)
	return buffer.String(), nil
}

// StringToInt
//
//	@Description: String -> To
//	@param str
//	@return int
func StringToInt(str string) int {
	checkInt, err := strconv.Atoi(str)
	if err != nil {
		return 0
	}

	return checkInt
}

// ExtractSubstringBeforeFirstDigit
//
//	@Description: takes a string and returns the substring before the first digit.
//	@param s
//	@return string
func ExtractSubstringBeforeFirstDigit(s string) string {
	for i, c := range s {
		if unicode.IsDigit(c) {
			return s[:i]
		}
	}
	return s // 如果没有找到数字，返回原字符串
}