package indicator

import (
	"sig-pub/pkg/types"
	"sig-pub/pkg/types/series"
)

// IIndicator 指标基础计算接口
type IIndicator interface {
	Name() string
	Calculate(kSeries IIndicatorContext) (vector float64)
}

// IIndicator 窗口指标基础计算接口
type IWindowIndicator interface {
	Name() string
	Calculate(ctx IIndicatorContext, window int16) (vector float64)
}

// IIndicatorContext k线序列, trading服务提供
type IIndicatorContext interface {
	Get(offset int16) (kline types.Kline)
	Series(offset, count int16) (klines series.Klines)
}

// IIndicatorSeries 指标序列, 供策略读取, trading服务提供
type IIndicatorSeries interface {
	Get(offset int16) (vector float64)
	Series(offset, count int16) (matrix series.Floats)
}