package indicator

import (
	"fmt"
	"sig-pub/api/pb"
	"sig-pub/pkg/types"
)

type RSI struct {
	// types.IntervalWindow
	window int // 窗口大小
}

func (ind *RSI) IntervalWindow() {
	// 指标参数注入
}

func (ind *RSI) QueryRange(exchange pb.ExchangeType, instId string, interval types.Interval, rsi int) (query string, err error) {
	var r types.MeticMatrix
	_ = r
	intervalAdder, ok := types.SupportedIntervals[interval]
	if !ok {
		err = fmt.Errorf("unsupport interval %s", interval)
		return
	}
	minutes := intervalAdder(0, int64(rsi)) / 1000 / 60

	query = fmt.Sprintf(`
		100 - 100 / (1 + (
			avg_over_time(clamp_min(delta(%s{kind="close", interval="%s", exchange="%s"}), 0)[%dm]) /
			avg_over_time(abs(clamp_max(delta(%s{kind="close", interval="%s", exchange="%s"}), 0))[%dm])
		))
	`, instId, interval, exchange, minutes, instId, interval, exchange, minutes)
	return
}