package entity

const (
	RoleOwner  = 1
	RoleAdmin  = 2
	RoleMember = 3
)

// Member is a row in group_members. SpeakMuted is send-ban, not 免打扰.
type Member struct {
	GroupID    int64
	UserID     int64
	Role       int
	Nickname   string
	SpeakMuted bool
	JoinedAtMS int64
}

func ValidRole(role int) bool {
	return role == RoleOwner || role == RoleAdmin || role == RoleMember
}

func (m *Member) CanManage() bool {
	return m != nil && (m.Role == RoleOwner || m.Role == RoleAdmin)
}

func (m *Member) CanSpeak(mutedAll bool) bool {
	if m == nil || m.SpeakMuted {
		return false
	}
	if mutedAll && m.Role == RoleMember {
		return false
	}
	return true
}

func UniqueUIDs(ids []int64) []int64 {
	seen := make(map[int64]struct{}, len(ids))
	out := make([]int64, 0, len(ids))
	for _, id := range ids {
		if id <= 0 {
			continue
		}
		if _, ok := seen[id]; ok {
			continue
		}
		seen[id] = struct{}{}
		out = append(out, id)
	}
	return out
}