mayhem-party/src/device/input/button/v01.go

108 lines
1.8 KiB
Go

package button
import (
"encoding/json"
"io/ioutil"
"log"
"mayhem-party/src/device/input/raw"
"os"
"time"
"gopkg.in/yaml.v2"
)
var debugging = os.Getenv("DEBUG") == "true"
type (
V01 struct {
src raw.Raw
cfg v01Cfg
}
v01Msg struct {
T int64
U string
Y string
N string
}
v01Cfg struct {
Users map[string]struct {
Player int
Message string
}
Players []struct {
Transformation v01Transformation
}
}
v01Transformation map[string]string
)
func NewV01(src raw.Raw) V01 {
var cfg v01Cfg
b, _ := ioutil.ReadFile(os.Getenv("BUTTON_PARSER_V01_CONFIG"))
yaml.Unmarshal(b, &cfg)
return V01{
src: src,
cfg: cfg,
}
}
func (v01 V01) Close() {
v01.src.Close()
}
func (v01 V01) Read() []Button {
line := v01.src.Read()
var msg v01Msg
if err := json.Unmarshal(line, &msg); err != nil {
log.Printf("%v: %s", err, line)
}
v01.telemetry(msg)
return v01.cfg.transform(msg).buttons()
}
func (cfg v01Cfg) transform(msg v01Msg) v01Msg {
if len(cfg.Players) == 0 {
return msg
}
user := cfg.Users[msg.U]
if user.Player < 1 {
msg.Y = ""
msg.N = ""
return msg
}
player := cfg.Players[user.Player-1]
msg.Y = player.Transformation.pipe(msg.Y)
msg.N = player.Transformation.pipe(msg.N)
return msg
}
func (t v01Transformation) pipe(s string) string {
for i := range s {
if v := t[s[i:i+1]]; v != "" {
s = s[:i] + v[:1] + s[i+1:]
}
}
return s
}
func (v01 V01) telemetry(msg v01Msg) {
if debugging {
log.Printf("%s|%dms", msg.U, time.Now().UnixNano()/int64(time.Millisecond)-msg.T)
}
}
func (msg v01Msg) buttons() []Button {
buttons := make([]Button, len(msg.Y)+len(msg.N))
for i := range msg.Y {
buttons[i] = Button{Char: msg.Y[i], Down: true}
}
for i := range msg.N {
buttons[len(msg.Y)+i] = Button{Char: msg.N[i], Down: false}
}
if debugging {
log.Printf("%+v", msg)
}
return buttons
}