package sircd

import (
	"bytes"
	"github.com/google/uuid"
	"github.com/sirupsen/logrus"
	"net"
)

func newIrcClient(conn net.Conn, log *logrus.Logger, mc chan *ircMessage) *ircClient {
	c := new(ircClient)
	c.Id = uuid.New().String()
	c.conn = conn
	c.log = log
	c.mc = mc
	c.inputBytes = new(bytes.Buffer)
	c.outputBytes = new(bytes.Buffer)
	return c
}

type ircClient struct {
	Id          string
	conn        net.Conn
	log         *logrus.Logger
	session     *ircUserSession
	inputBytes  *bytes.Buffer
	outputBytes *bytes.Buffer
	mc          chan *ircMessage
}

func (c *ircClient) Close() {
	//client cleanup
	c.log.Infof("client %d disconnect", c.Id)
}

func (c *ircClient) AppendInputBuffer(input []byte) {
	// Read the incoming connection into the buffer.
	c.log.Printf("conn<%s>: got %d bytes from net", c.Id, len(input))
	c.inputBytes.Write(input)
	c.log.Debugf("conn<%s> buffer now %d bytes total", c.Id, c.inputBytes.Len())
	c.ParseInputBuffer()
}

func (c *ircClient) ParseInputBuffer() {
	c.log.Debugf("my input buffer is %d bytes", c.inputBytes.Len())
	c.log.Debugf("my input buffer is: '%s'", c.inputBytes.String())
    for line, err := c.inputBytes.ReadString(byte('\n'))
    if err == nil {
        c.mc <- c.ParseSingleInput(line) //FIXME make this return val, err
    } else {
        c.log.Debugf("error parsing input buffer: ", err.Error())
    }
	c.log.Debugf("my input buffer is %d bytes", c.inputBytes.Len())
	c.log.Debugf("my input buffer is: '%s'", c.inputBytes.String())
}

func (c *ircClient) ParseSingleInput(line string) *ircMessage {
    return NewIrcMessageFromString(line, c)
}