package cmd

import (
	"fmt"

	cmdutil "git.mlow.ca/mlow/lmcli/pkg/cmd/util"
	"git.mlow.ca/mlow/lmcli/pkg/lmcli"
	"git.mlow.ca/mlow/lmcli/pkg/tui"
	"github.com/spf13/cobra"
)

func ChatCmd(ctx *lmcli.Context) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "chat [conversation]",
		Short: "Open the chat interface",
		Long:  `Open the chat interface, optionally on a given conversation.`,
		RunE: func(cmd *cobra.Command, args []string) error {
			shortname := ""
			if len(args) == 1 {
				shortname = args[0]
			}
			if shortname != ""{
				_, err := cmdutil.LookupConversationE(ctx, shortname)
				if err != nil {
					return err
				}
			}
			err := tui.Launch(ctx, shortname)
			if err != nil {
				return fmt.Errorf("Error fetching LLM response: %v", err)
			}
			return nil
		},
		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
			compMode := cobra.ShellCompDirectiveNoFileComp
			if len(args) != 0 {
				return nil, compMode
			}
			return ctx.Store.ConversationShortNameCompletions(toComplete), compMode
		},
	}
	applyPromptFlags(ctx, cmd)
	return cmd
}