package with

import (
	"context"
	"time"
)

func GoEvery(ctx context.Context, d time.Duration, foo func()) {
	every(ctx, d, foo, true)
}

func Every(ctx context.Context, d time.Duration, foo func()) {
	every(ctx, d, foo, false)
}

func every(ctx context.Context, d time.Duration, foo func(), async bool) {
	ticker := time.NewTicker(d)
	defer ticker.Stop()
	for ctx.Err() == nil {
		everyTry(ctx, foo, async)
		select {
		case <-ctx.Done():
		case <-ticker.C:
		}
	}
}

func everyTry(ctx context.Context, foo func(), async bool) {
	if async {
		go foo()
	} else {
		foo()
	}
}