package cmd

type Set []*Command

func NewSet() Set {
	return Set{}
}

func (s *Set) Add(c *Command) {
	*s = append(*s, c)
}

func (s Set) Get(name string) (*Command, bool) {
	for _, c := range s {
		if c.Name == name {
			return c, true
		}

		for _, alias := range c.Aliases {
			if alias == name {
				return c, true
			}
		}
	}
	return nil, false
}

func (s Set) MaxWidth() int {
	max := 0
	for _, f := range s {
		if w := len(f.Name); w > max {
			max = w
		}
	}
	return max
}

func (s Set) Names() []string {
	names := make([]string, 0, len(s))
	for _, c := range s {
		names = append(names, c.Name)
		names = append(names, c.Aliases...)
	}
	return names
}

func (s Set) Len() int {
	return len(s)
}