package cmd

import (
	"fmt"
	"github.com/spf13/cobra"
	"os"
	"path/filepath"
	"playbookctl/internal/types"
)

func ArgRoleCompletion(_ *cobra.Command, _ []string, toComplete string) ([]string, cobra.ShellCompDirective) {
	exitApp := func(err error) {
		fmt.Println(err)
		os.Exit(1)
	}

	var suggestions []string

	workDir, err := filepath.Abs(flagWorkdir)
	if err != nil {
		exitApp(err)
	}

	playbook, err := types.ReadPlaybook(workDir)
	if err != nil {
		exitApp(err)
	}

	for _, role := range playbook.Roles {
		if toComplete == "" || len(role) >= len(toComplete) && role[:len(toComplete)] == toComplete {
			suggestions = append(suggestions, role)
		}
	}

	return suggestions, cobra.ShellCompDirectiveDefault
}