package searchsvc

import (
	"context"

	"go.uber.org/zap"
)

func (exec *execCtx) executeOnContainer() {
	if exec.isLocal() {
		exec.log.Debug("return result directly")
		return
	}

	exec.log.Debug("trying to execute in container...")

	traverser, ok := exec.generateTraverser(exec.containerID())
	if !ok {
		return
	}

	ctx, cancel := context.WithCancel(exec.context())
	defer cancel()

loop:
	for {
		addrs := traverser.Next()
		if len(addrs) == 0 {
			exec.log.Debug("no more nodes, abort placement iteration")
			break
		}

		for i := range addrs {
			select {
			case <-ctx.Done():
				exec.log.Debug("interrupt placement iteration by context",
					zap.String("error", ctx.Err().Error()),
				)
				break loop
			default:
			}

			// TODO: consider parallel execution
			exec.processNode(ctx, addrs[i])
		}
	}

	exec.status = statusOK
	exec.err = nil
}