/* Copyright Azareal 2016 - 2017 */
package main
import "log"

var plugins map[string]Plugin = make(map[string]Plugin)
var hooks map[string]func(interface{})interface{} = make(map[string]func(interface{})interface{})
var vhooks map[string]func(...interface{})interface{} = make(map[string]func(...interface{})interface{})

type Plugin struct
{
	UName string
	Name string
	Author string
	URL string
	Settings string
	Active bool
	Tag string
	Type string
	Init func()
	Activate func()error
	Deactivate func()
}

/*func add_hook(name string, handler func(interface{})interface{}) {
	hooks[name] = handler
}*/

func init_plugins() {
	for name, body := range plugins {
		log.Print("Added plugin " + name)
		if body.Active {
			log.Print("Initialised plugin " + name)
			plugins[name].Init()
		}
	}
}

func add_hook(name string, handler interface{}) {
	switch h := handler.(type) {
		case func(interface{})interface{}:
			hooks[name] = h
		case func(...interface{}) interface{}:
			vhooks[name] = h
		default:
			panic("I don't recognise this kind of handler!") // Should this be an error for the plugin instead of a panic()?
	}
}

func remove_hook(name string/*, plugin string */) {
	delete(hooks, name)
}

func run_hook(name string, data interface{}) interface{} {
	return hooks[name](data)
}

func remove_vhook(name string) {
	delete(vhooks, name)
}

func run_vhook(name string, data ...interface{}) interface{} {
	return vhooks[name](data...)
}

func run_vhook_noreturn(name string, data ...interface{}) {
	_ = vhooks[name](data...)
}