package components

import (
	"encoding/json"
	"fmt"

	coreobjects "github.com/DegustatorPonos/RuinesOfRafdolon/CoreObjects"
	settings "github.com/DegustatorPonos/RuinesOfRafdolon/Settings"
	rl "github.com/gen2brain/raylib-go/raylib"
)

var Resources ResourceManager

type ResourceManager struct {
	LoadedPackages map[string]*settings.AppVersion
	Textures TextrueManager
	objects map[string]*coreobjects.DynamicObject
	Worlds map[string]*World
}

func InitManager() {
	Resources = ResourceManager{
		LoadedPackages: make(map[string]*settings.AppVersion),
		Worlds: make(map[string]*World),
		objects: make(map[string]*coreobjects.DynamicObject),
		Textures: TextrueManager{
			Textures: make([]*rl.Texture2D, 0),
			NameToId: make(map[string]uint64),
		},
	}
}

func (base *ResourceManager) RegisterObject(PackageName string, obejctName string, new *coreobjects.DynamicObject) error { 
	var displayName = fmt.Sprintf("%s/%s", PackageName, obejctName)
	if _, exists := base.objects[displayName]; exists {
		return fmt.Errorf("Failed to register the obejct: another obejct with that name already exists")
	}
	base.objects[displayName] = new
	return nil
}

func (base *ResourceManager) GetObject(name string) (*coreobjects.DynamicObject, error) {
	var obj, exists = base.objects[name]
	if !exists {
		return nil, fmt.Errorf("An object '%s' was not found", name)
	}
	return obj, nil
}

func (base *ResourceManager) String() string {
	var outp, jsonErr = json.Marshal(base)
	if jsonErr != nil {
		return fmt.Sprintf("Failed to parse settings: %s", jsonErr.Error())
	}
	return string(outp)
}