package moneymoney

import (
	"log"
	"sort"
	"testing"
	"time"

	"github.com/474420502/structure/tree/treelist"
)

const 亿 = 100000000

func GetDate(date string) time.Time {
	ts, err := time.ParseInLocation("2006-01-02", date, time.Local)
	if err != nil {
		panic(err)
	}
	return ts
}

func GetStocksByCondition(cday time.Time) []*Stock {
	var stocks []*Stock

	// cday := GetDate(CurrentDay)
	start := cday.Add(-time.Hour * 24 * 14)
	log.Println("重新从", start.Local().Format("2006-01-02"), cday.Local().Format("2006-01-02"), "策略选股")

	// istartStock, _ := DateStocks.Get(start.Unix())
	siter := DateStocks.Iterator()
	siter.SeekGE(start.Unix())
	siter.Valid()
	{
		ssiter := siter.Value().(*treelist.Tree[int64]).Iterator()
		ssiter.SeekToFirst()
		// ss := ssiter.Value().(*Stock)
		// log.Printf("%s", ss.Date.Local().Format("2006-01-02"))
	}

	iter := DateStocks.Iterator()

	// log.Println(iter.SeekLE(cday.Unix()), iter.Valid())
	iter.SeekLE(cday.Unix())
	endStock := iter.Value().(*treelist.Tree[int64])

	// log.Println(DateStocks.Size(), endStock.Size())

	endStock.Traverse(func(s *treelist.Slice[int64]) bool {
		var ok bool
		citer := siter.Clone()

		stock := s.Value.(*Stock)
		if stock.MarketValue <= 100*亿 {
			return true
		}

		startStock := citer.Value().(*treelist.Tree[int64])

		var istock any
		for {
			istock, ok = startStock.Get(stock.Code)
			if ok {
				break
			}
			citer.Next()
			if !citer.Valid() {
				return true
			}
		}

		fstock := istock.(*Stock)
		if fstock.ClosingPrice == 0 {
			return true
		}
		if stock.ClosingPrice == 0 {
			return true
		}

		stock.MinPrice = fstock.ClosingPrice
		stock.MaxPrice = stock.ClosingPrice

		stock.UpsDownsRatio = ((stock.ClosingPrice - fstock.ClosingPrice) / fstock.ClosingPrice)
		// log.Println(stock.UpsDownsRatio, s)

		stocks = append(stocks, stock)
		return true
	})

	sort.Slice(stocks, func(i, j int) bool {
		return stocks[i].UpsDownsRatio < stocks[j].UpsDownsRatio
	})

	return stocks
}

func TestMoney(t *testing.T) {

	var money float64 = 1000000.0
	cday := GetDate("2017-04-01")

ALL_LOOP:
	for money < 1000000*3 {

		selectStocks := GetStocksByCondition(cday)
		// log.Println(len(selectStocks))

		for _, s := range selectStocks[0:15] {
			log.Printf("%.4f%% %s %s %f", s.UpsDownsRatio*100.0, s.Date.Local().Format("2006-01-02"), s.Name, s.ClosingPrice)
			// log.Println(s.UpsDownsRatio, s)
		}

		selectStocks = selectStocks[0:15]

		start := (len(selectStocks) - 10) / 2
		selectStocks = selectStocks[start : start+10]
		// for _, s := range selectStocks {
		// 	log.Printf("%.4f%% %s", s.UpsDownsRatio*100.0, s.Name)
		// }
		// TODO: 测试 收益
		iter := DateStocks.Iterator()
		iter.SeekGT(cday.Unix())
		if !iter.Valid() {
			break
		}

		for {
			var total float64 = 0.0
			iter.Next()

			if !iter.Valid() {
				break ALL_LOOP
			}
			cstocks := iter.Value().(*treelist.Tree[int64])

			var cs *Stock
			for _, s := range selectStocks {
				itf, ok := cstocks.Get(s.Code)
				if ok {
					cs = itf.(*Stock)
					total += (cs.ClosingPrice - s.ClosingPrice) / s.ClosingPrice
					// log.Printf("%.2f", (cs.ClosingPrice-s.ClosingPrice)/s.ClosingPrice)
				}
			}

			csdate := cs.Date.Local().Format("2006-01-02")
			if csdate == "2017-12-07" {
				for _, s := range selectStocks {
					log.Printf("%.4f%% %s %s %f %f %f", s.UpsDownsRatio*100.0, s.Date.Local().Format("2006-01-02"), s.Name, s.ClosingPrice, s.MinPrice, s.MaxPrice)
					// log.Println(s.UpsDownsRatio, s)
				}
				log.Println()
			}

			total = total / float64(len(selectStocks))

			log.Printf("%s 总收益:%.2f%%", csdate, total*100)
			if total >= 0.10 || total <= -0.20 {
				money = money + money*total
				cday = cs.Date
				log.Printf("最后总财富 1000000 -> money: %f", money)
				break
			}
		}
	}

	log.Printf("最后总财富 1000000 -> money: %f", money)

}

func TestCase3(t *testing.T) {
	cday := GetDate("2017-04-01")
	citer := DateStocks.Iterator()
	citer.SeekToFirst()
	citer.SeekGE(cday.Unix())

	for citer.Valid() {

		stocks := citer.Value().(*treelist.Tree[int64])

		todayIter := stocks.Iterator()

		cmpiter := citer.Clone()

		var i = 0
		var step = 1
		for ; i < 2; i++ {
			cmpiter.Prev()
		}

		for cmpiter.Valid() {

			todayIter.SeekToFirst()

			cmpday := cmpiter.Value().(*treelist.Tree[int64])

			for todayIter.Valid() {

				s := todayIter.Value().(*Stock)

				ic, ok := cmpday.Get(s.Code)
				if ok {
					c := ic.(*Stock)
					// TODO 存这个属性
					(c.ClosingPrice - s.ClosingPrice/c.ClosingPrice)
				}

				todayIter.Next()
			}

			step = step << 1
			for i := 0; i < step; i++ {
				cmpiter.Prev()
			}
		}
		citer.Next()
	}
}

func TestCase2(t *testing.T) {
	GetFromAPI() // 获取基础数据
}

func TestCase1(t *testing.T) {
	main()
}