package marketdate

import (
	"reflect"
	"strings"
	"time"
)

// HandleMarketDatetime 根据市场和时间字段处理datetime格式
func HandleMarketDatetimeEx(data map[string]interface{}, datetimeField string) string {

	marketField := "market"

	format := "2006-01-02 15:04:05"

	market, ok := data[marketField].(string)
	if !ok || market == "" {
		if datetimeStr, ok := data[datetimeField].(string); ok {
			return datetimeStr
		}
		return ""
	}

	datetimeStr, ok := data[datetimeField].(string)
	if !ok || datetimeStr == "" {
		return ""
	}

	if strings.Contains(strings.ToUpper(market), "HK") {
		loc, _ := time.LoadLocation("Asia/Hong_Kong")
		t, _ := time.ParseInLocation("2006-01-02 15:04:05", datetimeStr, time.Local)
		return t.In(loc).Format(format)
	}

	return datetimeStr
}

func HandleMarketDatetime(data any) string {
	format := "2006-01-02 15:04:05"
	dataVal := reflect.ValueOf(data)
	dataType := dataVal.Type()

	var datetimeField, marketField reflect.Value

	// 通过反射找到标签为"datetimeField"和"market"的字段
	for i := 0; i < dataType.NumField(); i++ {
		field := dataType.Field(i)
		jsonTag := field.Tag.Get("json")

		if jsonTag == "datetimeField" {
			datetimeField = dataVal.Field(i)
		} else if jsonTag == "market" {
			marketField = dataVal.Field(i)
		}
	}

	// 检查字段是否为期望的类型
	if datetimeField.Kind() != reflect.Ptr || datetimeField.Type().Elem().Kind() != reflect.Struct || datetimeField.IsNil() {
		return ""
	}
	if marketField.Kind() != reflect.Ptr || marketField.Type().Elem().Kind() != reflect.String || marketField.IsNil() {
		return ""
	}

	// 获取字段值
	datetimeVal := datetimeField.Elem().Interface().(*time.Time)
	marketVal := marketField.Elem().Interface().(*string)

	// 判断市场和格式化时间
	if strings.Contains(strings.ToUpper(*marketVal), "HK") {
		loc, _ := time.LoadLocation("Asia/Hong_Kong")
		return datetimeVal.In(loc).Format(format)
	}

	return datetimeVal.Format(format)
}