package vec3

import (
	"strconv"

	"github.com/francoispqt/gojay"
)

type Vec3 struct {
	X float32 `json:"x"`
	Y float32 `json:"y"`
	Z float32 `json:"z"`
}

func (v *Vec3) MarshalJSONObject(enc *gojay.Encoder) {
	enc.FloatKey("x", float64(v.X))
	enc.FloatKey("y", float64(v.Y))
	enc.FloatKey("z", float64(v.Z))
}

func (v *Vec3) IsNil() bool {
	return v == nil
}
func HandRolled(vs []Vec3) ([]byte, error) {
	buf := []byte("[")
	for i, v := range vs {
		if i > 0 {
			buf = append(buf, []byte(`,{"x":`)...)
		} else {
			buf = append(buf, []byte(`{"x":`)...)
		}
		buf = strconv.AppendFloat(buf, float64(v.X), 'f', -1, 32)
		buf = append(buf, []byte(`,"y":`)...)
		buf = strconv.AppendFloat(buf, float64(v.Y), 'f', -1, 32)
		buf = append(buf, []byte(`,"z":`)...)
		buf = strconv.AppendFloat(buf, float64(v.Z), 'f', -1, 32)
		buf = append(buf, []byte("}")...)
	}
	buf = append(buf, ']')
	return buf, nil
}

type Vec3Slice []*Vec3

func (vs *Vec3Slice) MarshalJSONArray(enc *gojay.Encoder) {
	for _, e := range *vs {
		enc.AddObject(e)
	}
}

func (vs Vec3Slice) IsNil() bool {
	return vs == nil
}