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

package config

import (
	"context"
	"io"
	"fmt"
	"net/url"
	"decl/internal/codec"
	"decl/internal/data"
	"decl/internal/folio"
	"encoding/json"
	"gopkg.in/yaml.v3"
	"crypto/x509"
)

func init() {
	folio.DocumentRegistry.ConfigurationTypes.Register([]string{"certificate"}, func(u *url.URL) data.Configuration {
		c := NewCertificate()
		return c
	})
}

type Certificate map[string]*x509.Certificate

func NewCertificate() *Certificate {
	c := make(Certificate)
	return &c
}

func (c *Certificate) URI() string {
	return fmt.Sprintf("%s://%s", c.Type(), "")
}

func (c *Certificate) SetURI(uri string) error {
	return nil
}

func (c *Certificate) SetParsedURI(uri data.URIParser) error {
	return nil
}

func (c *Certificate) Read(ctx context.Context) ([]byte, error) {
	return nil, nil
}

func (c *Certificate) Load(r io.Reader) (err error) {
	err = codec.NewYAMLDecoder(r).Decode(c)
	if err == nil {
		_, err = c.Read(context.Background())
	}
	return err
}

func (c *Certificate) LoadYAML(yamlData string) (err error) {
	err = codec.NewYAMLStringDecoder(yamlData).Decode(c)
	if err == nil {
		_, err = c.Read(context.Background())
	}
	return err
}

func (c *Certificate) UnmarshalJSON(data []byte) error {
	if unmarshalErr := json.Unmarshal(data, c); unmarshalErr != nil {
		return unmarshalErr
	}
	return nil
}

func (c *Certificate) UnmarshalYAML(value *yaml.Node) error {
	type decodeCertificate Certificate
	if unmarshalErr := value.Decode((*decodeCertificate)(c)); unmarshalErr != nil {
		return unmarshalErr
	}
	return nil
}

func (c *Certificate) Clone() data.Configuration {
	jsonGeneric, _ := json.Marshal(c)
	clone := NewCertificate()
	if unmarshalErr := json.Unmarshal(jsonGeneric, &clone); unmarshalErr != nil {
		panic(unmarshalErr)
	}
	return clone
}

func (c *Certificate) Type() string {
	return "certificate"
}

func (c *Certificate) GetValue(name string) (result any, err error) {
	var ok bool
	if result, ok = (*c)[name]; !ok {
		err = data.ErrUnknownConfigurationKey
	}
	return
}

func (c *Certificate) Has(key string) (ok bool) {
	_, ok = (*c)[key]
	return
}