package irc

import (
	"fmt"
	"slices"

	"git.chromaticdragon.app/pyrex/minimal-irc-server/v2/src/transport"
)

type User struct {
	clientId     transport.ClientId
	hostString   *string
	sourceString *string
	nick         *Nick
	username     *string
	realName     *string

	hasReceivedAuthHandshakeReply bool

	channels []canonicalChannelName
}

func (user *User) recomputeSourceString() {
	nick := "unknown"
	if user.nick != nil {
		nick = (*user.nick).Value
	}
	hstr := fmt.Sprintf("clients/%d", user.clientId)
	sstr := fmt.Sprintf("%s!%s", nick, hstr)
	user.hostString = &hstr
	user.sourceString = &sstr
}

func (user *User) GetClientId() transport.ClientId {
	return user.clientId
}

func (user *User) GetHostString() string {
	return *user.hostString
}

func (user *User) GetSourceString() string {
	return *user.sourceString
}

func (user *User) GetNick() *Nick {
	return user.nick
}

func (user *User) SetNick(newNick *Nick) error {
	return Perform(NickChangeAction{User: user, OldNick: user.nick, NewNick: newNick})
}

func (user *User) GetUsername() *string {
	return user.username
}

func (user *User) SetUsername(username *string) {
	user.username = username
}

func (user *User) GetRealName() *string {
	return user.realName
}

func (user *User) SetRealName(realName *string) {
	user.realName = realName
}

func (user *User) GetHasReceivedAuthHandshakeReply() bool {
	return user.hasReceivedAuthHandshakeReply
}

func (user *User) SetHasReceivedAuthHandshakeReply(value bool) {
	user.hasReceivedAuthHandshakeReply = value
}

func (user *User) IsInChannel(channelName ChannelName) bool {
	return slices.ContainsFunc(user.channels, func(existingChannel canonicalChannelName) bool {
		return channelName.canonical == existingChannel
	})
}

func (user *User) GetChannels() []canonicalChannelName {
	return user.channels

}

func (user *User) Join(channelName ChannelName) error {
	return Perform(JoinAction{User: user, ChannelName: channelName})
}

func (user *User) Part(channelName ChannelName, reason *string) error {
	return Perform(PartAction{User: user, ChannelName: channelName, Reason: reason})
}