package commands

import (
	"fmt"
	"strings"

	"github.com/Cynosphere/comcord/lib"
	"github.com/Cynosphere/comcord/state"
	"github.com/bwmarrin/discordgo"
	"github.com/ergochat/readline"
	"github.com/mgutz/ansi"
)

func SendMode(session *discordgo.Session) {
  channelId := state.GetCurrentChannel()
  if channelId == "" {
    fmt.Print("<not in a channel>\n\r")
    return
  }

  state.SetInPrompt(true)

  length := len(session.State.User.Username) + 2
  curLength := state.GetNameLength()

  prompt := fmt.Sprintf("[%s]%s", session.State.User.Username, strings.Repeat(" ", (curLength - length) + 1))
  if !state.HasNoColor() {
    prompt = ansi.Color(prompt, "cyan+b")
  }

  input, _ := readline.NewFromConfig(&readline.Config{
    Prompt: prompt,
    UniqueEditLine: true,
  })
  defer input.Close()

  out, err := input.Readline()
  out = strings.TrimSpace(out)
  input.Close()

  if out == "" {
    if err == readline.ErrInterrupt {
      fmt.Print("^C<no message sent>\n\r")
    } else {
      fmt.Print(prompt, "<no message sent>\n\r")
    }
  } else {
    fmt.Print(prompt, out, "\n\r")
    _, err := session.ChannelMessageSend(channelId, out)

    if err != nil {
      fmt.Print("<failed to send message: ", err, ">\n\r")
    }

    // TODO: update afk state
  }
  state.SetInPrompt(false)
  lib.ProcessQueue(session)
}