package main

import (
	"os"

	"darvaza.org/core"

	"git.jpi.io/amery/jpictl/pkg/cluster"
)

const (
	// DefaultConfigFile is read if -f/--config-file isn't specified.
	// If it doesn't exist, m/ will be scanned
	DefaultConfigFile = "cloud.yaml"
)

// Config describes the repository
type Config struct {
	Base   string
	Domain string

	ConfigFile string
}

var cfg = &Config{
	Base:   "m",
	Domain: "jpi.cloud",
}

// LoadZones loads all zones and machines in the config directory
// or file
func (cfg *Config) LoadZones(resolve bool) (*cluster.Cluster, error) {
	// try config file first
	zones, err := cluster.NewFromConfig(cfg.ConfigFile,
		cluster.ResolvePublicAddresses(resolve),
		cluster.WithLogger(log),
	)

	switch {
	case err == nil:
		// file was good
		return zones, nil
	case !os.IsNotExist(err) || cfg.ConfigFile != DefaultConfigFile:
		// file was bad
		return nil, core.Wrap(err, "NewFromConfig(%q)", cfg.ConfigFile)
	}

	// default file doesn't exist. scan instead.
	return cluster.NewFromDirectory(cfg.Base, cfg.Domain,
		cluster.ResolvePublicAddresses(resolve),
		cluster.WithLogger(log),
	)
}

func init() {
	rootCmd.PersistentFlags().
		StringVarP(&cfg.ConfigFile, "config-file", "f",
			DefaultConfigFile, "config file (JSON or YAML)")
}