package rootparticipation

import (
	"github.com/carlosframework/platform/internal/controlname"
	"strings"
)

func (q ExecutionRequest) Valid() bool {
	if q.Schema != 1 || !validID(q.ID) || len(q.ID) > 128 || !controlname.ValidHostShape(q.Host) || !validID(q.Incarnation) || (q.Stamp == 0 && (q.Session != 0 || !validID(q.Op))) {
		return false
	}
	if q.Operation == "executionView" && q.Token == "" {
		return q.Op == "" || validID(q.Op)
	}
	if !validID(q.Op) {
		return false
	}
	switch q.Operation {
	case "executionBegin":
		return q.Token == ""
	case "executionRenew", "executionSettle", "executionView":
		return validID(q.Token)
	}
	return false
}

func validID(s string) bool {
	return s != "" && s != "." && s != ".." && !strings.ContainsAny(s, "/\\\x00\r\n\t ")
}