ficsit-cli-flake/cli/profiles.go

package cli

import (
	"encoding/json"
	"fmt"
	"os"
	"path"

	"github.com/pkg/errors"
	"github.com/rs/zerolog/log"
	"github.com/satisfactorymodding/ficsit-cli/utils"
	"github.com/spf13/viper"
)

const defaultProfileName = "Default"

var defaultProfile = Profile{
	Name: defaultProfileName,
}

type ProfilesVersion int

const (
	InitialProfilesVersion = ProfilesVersion(iota)

	// Always last
	nextProfilesVersion
)

type Profiles struct {
	Version         ProfilesVersion `json:"version"`
	Profiles        []*Profile      `json:"profiles"`
	SelectedProfile string          `json:"selected_profile"`
}

type Profile struct {
	Name string                `json:"name"`
	Mods map[string]ProfileMod `json:"mods"`
}

type ProfileMod struct {
	Version          string `json:"version"`
	InstalledVersion string `json:"installed_version"`
}

func InitProfiles() (*Profiles, error) {
	cacheDir := viper.GetString("cache-dir")

	profilesFile := path.Join(cacheDir, viper.GetString("profiles-file"))
	_, err := os.Stat(profilesFile)
	if err != nil {
		if !os.IsNotExist(err) {
			return nil, errors.Wrap(err, "failed to stat profiles file")
		}

		_, err := os.Stat(cacheDir)
		if err != nil {
			if !os.IsNotExist(err) {
				return nil, errors.Wrap(err, "failed to read cache directory")
			}

			err = os.MkdirAll(cacheDir, 0755)
			if err != nil {
				return nil, errors.Wrap(err, "failed to create cache directory")
			}
		}

		emptyProfiles := Profiles{
			Version:  nextProfilesVersion - 1,
			Profiles: []*Profile{&defaultProfile},
		}

		if err := emptyProfiles.Save(); err != nil {
			return nil, errors.Wrap(err, "failed to save empty profiles")
		}
	}

	profilesData, err := os.ReadFile(profilesFile)
	if err != nil {
		return nil, errors.Wrap(err, "failed to read profiles")
	}

	var profiles Profiles
	if err := json.Unmarshal(profilesData, &profiles); err != nil {
		return nil, errors.Wrap(err, "failed to unmarshal profiles")
	}

	if profiles.Version >= nextProfilesVersion {
		return nil, fmt.Errorf("unknown profiles version: %d", profiles.Version)
	}

	if len(profiles.Profiles) == 0 {
		profiles.Profiles = []*Profile{&defaultProfile}
		profiles.SelectedProfile = defaultProfileName
	}

	if profiles.SelectedProfile == "" {
		profiles.SelectedProfile = profiles.Profiles[0].Name
	}

	return &profiles, nil
}

// Save the profiles to the profiles file.
func (p *Profiles) Save() error {
	if viper.GetBool("dry-run") {
		log.Info().Msg("dry-run: skipping profile saving")
		return nil
	}

	profilesFile := path.Join(viper.GetString("cache-dir"), viper.GetString("profiles-file"))

	log.Info().Str("path", profilesFile).Msg("saving profiles")

	profilesJSON, err := json.MarshalIndent(p, "", "  ")
	if err != nil {
		return errors.Wrap(err, "failed to marshal profiles")
	}

	if err := os.WriteFile(profilesFile, profilesJSON, 0755); err != nil {
		return errors.Wrap(err, "failed to write profiles")
	}

	return nil
}

// AddProfile adds a new profile with the given name to the profiles list.
func (p *Profiles) AddProfile(name string) *Profile {
	profile := &Profile{
		Name: name,
	}

	p.Profiles = append(p.Profiles, profile)

	return profile
}

// DeleteProfile deletes the profile with the given name.
func (p *Profiles) DeleteProfile(name string) {
	i := 0
	for _, profile := range p.Profiles {
		if profile.Name == name {
			break
		}

		i++
	}

	if i < len(p.Profiles) {
		p.Profiles = append(p.Profiles[:i], p.Profiles[i+1:]...)
	}
}

// GetProfile returns the profile with the given name or nil if it doesn't exist.
func (p *Profiles) GetProfile(name string) *Profile {
	for _, profile := range p.Profiles {
		if profile.Name == name {
			return profile
		}
	}

	return nil
}

// AddMod adds a mod to the profile with given version.
func (p *Profile) AddMod(reference string, version string) error {
	if p.Mods == nil {
		p.Mods = make(map[string]ProfileMod)
	}

	if !utils.SemVerRegex.MatchString(version) {
		return errors.New("invalid semver version")
	}

	p.Mods[reference] = ProfileMod{
		Version: version,
	}

	return nil
}

// RemoveMod removes a mod from the profile.
func (p *Profile) RemoveMod(reference string) {
	if p.Mods == nil {
		return
	}

	delete(p.Mods, reference)
}

// HasMod returns true if the profile has a mod with the given reference
func (p *Profile) HasMod(reference string) bool {
	if p.Mods == nil {
		return false
	}

	_, ok := p.Mods[reference]

	return ok
}