package formatters

import (
	"context"
	"errors"

	"codeberg.org/danjones000/my-log/config"
)

type formatMaker func(config map[string]any) (Formatter, error)

var formatterMap = map[string]formatMaker{
	"plain": newPlain,
	"json":  newJson,
	"zero":  newNull,
}

func Preferred(ctx context.Context) (f Formatter, err error) {
	v, _ := config.RetrieveFromContext(ctx)
	format := v.GetString("output.stdout.config.format")
	return New(ctx, format)
}

func New(ctx context.Context, kind string) (f Formatter, err error) {
	_, c := config.RetrieveFromContext(ctx)
	conf := c.Formatters

	if make, ok := formatterMap[kind]; ok {
		var formatterConf map[string]any
		if cf, ok := conf[kind]; ok {
			formatterConf = cf
		}
		return make(formatterConf)
	}

	return nil, errors.New("unimplemented")
}

func Kinds() []string {
	r := []string{}
	for kind, _ := range formatterMap {
		r = append(r, kind)
	}
	return r
}