package main

import (
	"encoding/json"
	"errors"
	"os"
	"path/filepath"
)

const marketplacePath = ".claude-plugin/marketplace.json"

func findRepoRoot() (string, error) {
	cwd, err := os.Getwd()
	if err != nil {
		return "", err
	}

	path := cwd
	for {
		candidate := filepath.Join(path, marketplacePath)
		if _, err := os.Stat(candidate); err == nil {
			return path, nil
		}

		parent := filepath.Dir(path)
		if parent == path {
			break
		}
		path = parent
	}

	return "", errors.New("repository root not found")
}

func readJSONFile(path string, target any) error {
	data, err := os.ReadFile(path)
	if err != nil {
		return err
	}

	return json.Unmarshal(data, target)
}

func readJSONMap(path string) (map[string]any, error) {
	data, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}

	var payload map[string]any
	if err := json.Unmarshal(data, &payload); err != nil {
		return nil, err
	}

	return payload, nil
}