repeat.go

package cidergo

import (
	"encoding/json"
	"time"
)

// RepeatMode represents the status of repeat, as defined by Apple Music
type RepeatMode int

const (
	RepeatModeOff  RepeatMode = 0
	RepeatModeSong RepeatMode = 1
	RepeatModeOn   RepeatMode = 2
)

// GetRepeat returns the current status of repeat
func GetRepeat() (RepeatMode, error) {
	data := make(map[string]any)

	// Only waits if it is NOT the first run
	for firstRun := true; data["value"] == nil; firstRun = false {
		if !firstRun {
			time.Sleep(waitDelay)
		}

		jsonData, err := jsonRequest("repeat-mode")
		if err != nil {
			return -1, err
		}

		err = json.Unmarshal(jsonData, &data)
		if err != nil {
			return -1, err
		}
	}

	return RepeatMode(data["value"].(float64)), nil
}

// SetRepeat set repeat to the mode passes as parameter
func SetRepeat(option RepeatMode) error {
	currentRepeat, err := GetRepeat()
	if err != nil {
		return err
	}

	if option < currentRepeat {
		option += 3
	}
	difference := int(option - currentRepeat)

	for i := 0; i < difference; i++ {
		if err := ToggleRepeat(); err != nil {
			return err
		}
	}

	return nil
}

// ToggleRepeat is functionally equivalent to pressing the repeat button inside the client. Turns "off" into "song", "song" into "on" and "on" into "off"
func ToggleRepeat() error {
	return postRequestNoJson("toggle-repeat")
}