package domain

type Role string

const (
	RoleSuperAdmin Role = "SUPER_ADMIN"
	RoleAdmin      Role = "ADMIN"
	RoleStudent    Role = "STUDENT"
	// RoleOpenLearner can consume LMS content like a learner but without sequential prerequisite locking (step-by-step gates).
	RoleOpenLearner Role = "OPEN_LEARNER"
	RoleInstructor  Role = "INSTRUCTOR"
	RoleSupport     Role = "SUPPORT"
)

func (r Role) IsValid() bool {
	switch r {
	case RoleSuperAdmin, RoleAdmin, RoleStudent, RoleOpenLearner, RoleInstructor, RoleSupport:
		return true
	default:
		return false
	}
}

// UsesLMSSequentialGating is true when LMS APIs apply sequential prerequisite locks (403 when blocked).
func (r Role) UsesLMSSequentialGating() bool {
	return r == RoleStudent
}

// RequiresSubscription is true when paid subscription is required to access learning content.
func (r Role) RequiresSubscription() bool {
	return r == RoleStudent
}

// IsCustomerLearnerRole is true for platform roles that sign in as customers and consume learner-facing LMS APIs.
func (r Role) IsCustomerLearnerRole() bool {
	return r == RoleStudent || r == RoleOpenLearner
}

func (r Role) Value() string {
	return string(r)
}