// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.

package config

import (
	"context"
	"encoding/json"
	"net/url"
)

func init() {
	ConfigTypes.Register([]string{"generic"}, func(u *url.URL) Configuration {
		g := NewGeneric[any]()
		return g
	})
}

type Generic[Value any] map[string]Value

func NewGeneric[Value any]() *Generic[Value] {
	g := make(Generic[Value])
	return &g
}

func (g *Generic[Value]) Clone() Configuration {
	jsonGeneric, _ := json.Marshal(g)
	clone := NewGeneric[Value]()
	if unmarshalErr := json.Unmarshal(jsonGeneric, clone); unmarshalErr != nil {
		panic(unmarshalErr)
	}
	return clone
}

func (g *Generic[Value]) Type() string {
	return "generic"
}

func (g *Generic[Value]) Read(context.Context) ([]byte, error) {
	return nil, nil
}

func (g *Generic[Value]) GetValue(name string) (result any, err error) {
	var ok bool
	if result, ok = (*g)[name]; !ok {
		err = ErrUnknownConfigurationKey
	}
	return
}