package actions

import (
	"fmt"

	"flow/services/internal/config"
	"flow/services/internal/services"
)

const containerRunModeBackup = "backup"

func Backup(environment, service string) error {
	cfg, err := config.NewConfig(environment)
	if err != nil {
		return fmt.Errorf("unable to load the configuration; %w", err)
	}

	switch service {
	case services.Forgejo:
		cfg.Forgejo.ContainerRunMode = containerRunModeBackup
	default:
		fmt.Printf("Backup is not supported for %q.\n", service)
		return nil
	}

	if err := backup(cfg, environment, service); err != nil {
		return fmt.Errorf("error performing a backup of %q; %w", service, err)
	}

	return nil
}

func backup(cfg config.Config, environment, service string) error {
	if err := stop(cfg.Docker.Host, environment, service); err != nil {
		return fmt.Errorf("unable to stop %q; %w", service, err)
	}

	if err := prepareCompose(cfg, environment); err != nil {
		return fmt.Errorf("unable to regenerate the compose file for the backup; %w", err)
	}

	if err := deploy(cfg.Docker.Host, environment, service, false); err != nil {
		return fmt.Errorf("error deploying the backup container; %w", err)
	}

	return nil
}