package config

import (
	"os"
	"path/filepath"
)

const (
	// AppName 应用名称
	AppName = "devpack"

	// DefaultConfigFileName 默认配置文件名
	DefaultConfigFileName = "config.yaml"

	// DefaultProfileName 默认 Profile 名
	DefaultProfileName = "default"
)

// Paths DevPack 路径管理
type Paths struct {
	Home     string // ~/.devpack
	Config   string // ~/.devpack/config.yaml
	Profiles string // ~/.devpack/profiles
	Packs    string // ~/.devpack/packs
	Logs     string // ~/.devpack/logs
	Temp     string // ~/.devpack/tmp
}

// DefaultPaths 返回默认路径配置
func DefaultPaths() (*Paths, error) {
	home, err := os.UserHomeDir()
	if err != nil {
		return nil, err
	}

	devpackHome := filepath.Join(home, ".devpack")

	return &Paths{
		Home:     devpackHome,
		Config:   filepath.Join(devpackHome, DefaultConfigFileName),
		Profiles: filepath.Join(devpackHome, "profiles"),
		Packs:    filepath.Join(devpackHome, "packs"),
		Logs:     filepath.Join(devpackHome, "logs"),
		Temp:     filepath.Join(devpackHome, "tmp"),
	}, nil
}

// EnsureDirs 确保所有目录存在
func (p *Paths) EnsureDirs() error {
	dirs := []string{p.Home, p.Profiles, p.Packs, p.Logs, p.Temp}
	for _, dir := range dirs {
		if err := os.MkdirAll(dir, 0755); err != nil {
			return err
		}
	}
	return nil
}