package config

import (
	"github.com/BurntSushi/toml"
	vocab "github.com/go-ap/activitypub"
	"github.com/kirsle/configdir"
	"golang.org/x/crypto/bcrypt"
	"path/filepath"
)

type ProfileMetadata struct {
	Key   string `toml:"key"`
	Value string `toml:"value"`
}

type BlockedServer struct {
	Hostname string `toml:"hostname"`
	Reason   string `toml:"reason"`
}

type PrivacyReplace struct {
	Domain    string `toml:"domain"`
	ReplaceBy string `toml:"replace_by"`
}

type Config struct {
	Domain               string            `toml:"domain"`
	Username             string            `toml:"username"`
	Password             string            `toml:"admin_password"`
	Name                 string            `toml:"name"`
	Summary              string            `toml:"summary"`
	Https                bool              `toml:"https"`
	IconUrl              string            `toml:"icon_url""`
	ImageUrl             string            `toml:"image_url"`
	Metadata             []ProfileMetadata `toml:"metadata"`
	Secret               string            `toml:"secret"`
	TrustedHosts         []string          `toml:"trusted_hosts"`
	ManuallyApprove      bool              `toml:"manually_approves_followers"`
	BlockedServers       []BlockedServer   `toml:"blocked_servers"`
	CustomFooter         string            `toml:"custom_footer"`
	Emoji                string            `toml:"emoji"`
	DisabledNotificaions []string          `toml:"disabled_notifications"`
	CodeTheme            string            `toml:"code_highlighting_theme"`
	AlsoKnownAs          string            `toml:"also_known_as"`
	HideFollowers        bool              `toml:"hides_followers"`
	HideFollowing        bool              `toml:"hides_following"`
	InboxRetentionDays   int               `toml:"inbox_retention_days"`
	CustomCSP            string            `toml:"custom_content_security_policy"`
	WebfingerDomain      string            `toml:"webfinger_domain"`
	Debug                bool              `toml:"debug"`
	PrivacyReplace       []PrivacyReplace  `toml:"privacy_replace"`
	KeyPath              string            `toml:"key_path"`
	SessionTimeout       int               `toml:"session_timeout"`
	Id                   string            `toml:"id"`
}

func (c Config) GetIcon() *vocab.Object {
	var link = vocab.ObjectNew(vocab.ImageType)
	link.URL = vocab.IRI(c.IconUrl)
	// @todo figure out actual mime type
	link.MediaType = vocab.MimeType("image/jpeg")

	return link
}

func (c Config) GetActor() *vocab.Actor {
	var me = vocab.PersonNew(vocab.IRI(c.Id))
	me.Name = vocab.DefaultNaturalLanguageValue(c.Name)
	me.Icon = c.GetIcon()

	// @todo parse markdown into html
	me.Summary = vocab.DefaultNaturalLanguageValue(c.Summary)

	return me
}

var config Config

func newConfig() Config {
	return Config{
		TrustedHosts:       []string{"127.0.0.1"},
		CodeTheme:          "friendly_grayscale",
		InboxRetentionDays: 15,
		SessionTimeout:     3600 * 24 * 3,
	}
}

func init() {
	config = newConfig()
	configPath := configdir.LocalConfig("lenore")
	if err := configdir.MakePath(configPath); err != nil {
		panic(err)
	}

	configFile := filepath.Join(configPath, "profile.toml")
	if _, err := toml.DecodeFile(configFile, &config); err != nil {
		panic(err)
	}
}

func GetConfig() Config {
	return config
}

func CheckPassword(pass string) bool {
	err := bcrypt.CompareHashAndPassword([]byte(config.Password), []byte(pass))

	return err == nil
}