package cmd

import "go.fifitido.net/cmd/flags"

type Option func(*Command)

func WithShortDescription(s string) Option {
	return func(c *Command) {
		c.shortDescription = s
	}
}

func WithLongDescription(s string) Option {
	return func(c *Command) {
		c.longDescription = s
	}
}

func WithArgument(name string, required bool) Option {
	return func(c *Command) {
		c.arguments = append(c.arguments, &Argument{name, required})
	}
}

func WithArguments(args ...*Argument) Option {
	return func(c *Command) {
		c.arguments = append(c.arguments, args...)
	}
}

func WithFlag(f flags.Flag) Option {
	return func(c *Command) {
		c.flags = append(c.flags, f)
	}
}

func WithFlags(fs ...flags.Flag) Option {
	return func(c *Command) {
		c.flags = append(c.flags, fs...)
	}
}

func WithSubcommand(s *Command) Option {
	return func(c *Command) {
		c.subcommands.Add(c)
		s.parent = c
	}
}

func WithSubcommands(ss ...*Command) Option {
	return func(c *Command) {
		c.subcommands.Add(c)
		for _, s := range ss {
			s.parent = c
		}
	}
}

func WithParent(p *Command) Option {
	return func(c *Command) {
		c.parent = p
		p.subcommands.Add(c)
	}
}

func WithRunFunc(r func(args []string)) Option {
	return func(c *Command) {
		c.run = r
	}
}

func WithRunErrFunc(r func(args []string) error) Option {
	return func(c *Command) {
		c.run = func(args []string) {
			if err := r(args); err != nil {
				panic(err)
			}
		}
	}
}