package main

import (
	"fmt"
	"isle/bootstrap"
	"isle/daemon"
	"isle/garage/garagesrv"
)

func coalesceDaemonConfigAndBootstrap(
	hostBootstrap bootstrap.Bootstrap,
	daemonConfig daemon.Config,
) (
	bootstrap.Bootstrap, error,
) {

	host := bootstrap.Host{
		HostAssigned: hostBootstrap.HostAssigned,
		HostConfigured: bootstrap.HostConfigured{
			Nebula: bootstrap.NebulaHost{
				PublicAddr: daemonConfig.VPN.PublicAddr,
			},
		},
	}

	if allocs := daemonConfig.Storage.Allocations; len(allocs) > 0 {

		for i, alloc := range allocs {

			id, rpcPort, err := garagesrv.InitAlloc(alloc.MetaPath, alloc.RPCPort)
			if err != nil {
				return bootstrap.Bootstrap{}, fmt.Errorf("initializing alloc at %q: %w", alloc.MetaPath, err)
			}

			host.Garage.Instances = append(host.Garage.Instances, bootstrap.GarageHostInstance{
				ID:        id,
				RPCPort:   rpcPort,
				S3APIPort: alloc.S3APIPort,
			})

			allocs[i].RPCPort = rpcPort
		}
	}

	hostBootstrap.Hosts[host.Name] = host

	if err := writeBootstrapToDataDir(hostBootstrap); err != nil {
		return bootstrap.Bootstrap{}, fmt.Errorf("writing bootstrap file: %w", err)
	}

	return hostBootstrap, nil
}