package config

import (
	"fmt"
	"os"
	"path/filepath"
	"time"

	"github.com/BurntSushi/toml"
)

type HomeConfig struct {
	ProjectsDir string    `toml:"projects_dir"`
	Client      string    `toml:"client"`
	InstalledAt time.Time `toml:"installed_at"`
}

func GetHomePath() string {
	homeDir, _ := os.UserHomeDir()
	return filepath.Join(homeDir, ".config", "factory", "home.toml")
}

func LoadHome() (*HomeConfig, error) {
	path := GetHomePath()

	data, err := os.ReadFile(path)
	if err != nil {
		return nil, fmt.Errorf("home.toml not found at %s (run L0b bootstrap first)", path)
	}

	var cfg HomeConfig
	if err := toml.Unmarshal(data, &cfg); err != nil {
		return nil, fmt.Errorf("failed to parse home.toml: %w", err)
	}

	// Validate
	if cfg.ProjectsDir == "" {
		return nil, fmt.Errorf("projects_dir is required in home.toml")
	}
	if cfg.Client == "" {
		cfg.Client = "claude-code"
	}

	return &cfg, nil
}

func (h *HomeConfig) GetFactoryDir() string {
	return filepath.Join(h.ProjectsDir, ".factory")
}

func (h *HomeConfig) GetManifestPath() string {
	return filepath.Join(h.GetFactoryDir(), "factory.yaml")
}

func (h *HomeConfig) GetCommonDir() string {
	return filepath.Join(h.ProjectsDir, ".common")
}