main.go

package main

import (
	"fmt"
	"os"
	"strings"

	"github.com/CircleCI-Public/chunk-cli/internal/cmd"
	"github.com/CircleCI-Public/chunk-cli/internal/ui"
)

var version = "dev"

func main() {
	rewriteColonSyntax()

	rootCmd := cmd.NewRootCmd(version)
	if err := rootCmd.Execute(); err != nil {
		m, d, s := errorDetails(err)
		_, _ = fmt.Fprint(os.Stderr, ui.FormatError(m, d, s))
		os.Exit(1)
	}
}

func errorDetails(err error) (msg, detail, suggestion string) {
	msg = "An unknown error occurred."
	detail = err.Error()
	suggestion = errorSuggestion(err)
	if um, ok := err.(interface{ UserMessage() string }); ok {
		msg = um.UserMessage()
	}
	if d, ok := err.(interface{ Detail() string }); ok {
		detail = d.Detail()
	}
	if s, ok := err.(interface{ Suggestion() string }); ok {
		suggestion = s.Suggestion()
	}
	return msg, detail, suggestion
}

// errorSuggestion returns a contextual hint for common error patterns.
func errorSuggestion(err error) string {
	msg := err.Error()
	lower := strings.ToLower(msg)

	switch {
	case strings.Contains(lower, "authentication") ||
		strings.Contains(lower, "invalid api key") ||
		strings.Contains(lower, "401"):
		return "Hint: Run `chunk auth set anthropic` to set up your API key."
	case strings.Contains(lower, "no such host") ||
		strings.Contains(lower, "connection refused") ||
		strings.Contains(lower, "network is unreachable") ||
		strings.Contains(lower, "dial tcp"):
		return "Hint: Check your internet connection."
	}
	return ""
}

// rewriteColonSyntax rewrites "validate:name" to "validate" "name" in os.Args
// before cobra parses, matching the TypeScript CLI's colon syntax support.
func rewriteColonSyntax() {
	for i, arg := range os.Args {
		if strings.HasPrefix(arg, "validate:") {
			name := strings.TrimPrefix(arg, "validate:")
			if name == "" {
				continue
			}
			newArgs := make([]string, 0, len(os.Args)+1)
			newArgs = append(newArgs, os.Args[:i]...)
			newArgs = append(newArgs, "validate", name)
			newArgs = append(newArgs, os.Args[i+1:]...)
			os.Args = newArgs
			return
		}
	}
}