package video

import (
	"mxl-pattern-generator/internal/flowdef"

	"github.com/qvest-digital/go-mxl/mxl"
)

type Backend string

const (
	BackendAuto Backend = "auto"
	BackendGPU  Backend = "gpu"
	BackendCPU  Backend = "cpu"
)

type Config struct {
	Definition flowdef.Video
	Pattern    string
	Overlay    OverlayConfig
	Backend    Backend
}

type OverlayConfig struct {
	Text     string
	X        int
	Y        int
	Position string
}

func (c Config) ID() string {
	return c.Definition.ID
}

func (c Config) Width() uint {
	return c.Definition.FrameWidth
}

func (c Config) Height() uint {
	return c.Definition.FrameHeight
}

func (c Config) Rate() mxl.Rational {
	return mxl.Rational{
		Num: int64(c.Definition.GrainRate.Numerator),
		Den: int64(c.Definition.GrainRate.Denominator),
	}
}