package svc

import (
	"net/http"

	gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
	"github.com/qsfera/server/pkg/log"
	"github.com/qsfera/server/services/thumbnails/pkg/config"
	"github.com/qsfera/server/services/thumbnails/pkg/thumbnail/imgsource"
	"github.com/qsfera/server/services/thumbnails/pkg/thumbnail/storage"
	"github.com/opencloud-eu/reva/v2/pkg/rgrpc/todo/pool"
)

// Option defines a single option function.
type Option func(o *Options)

// Options defines the available options for this package.
type Options struct {
	Logger           log.Logger
	Config           *config.Config
	Middleware       []func(http.Handler) http.Handler
	ThumbnailStorage storage.Storage
	ImageSource      imgsource.Source
	CS3Source        imgsource.Source
	GatewaySelector  pool.Selectable[gateway.GatewayAPIClient]
}

// newOptions initializes the available default options.
func newOptions(opts ...Option) Options {
	opt := Options{}

	for _, o := range opts {
		o(&opt)
	}

	return opt
}

// Logger provides a function to set the logger option.
func Logger(val log.Logger) Option {
	return func(o *Options) {
		o.Logger = val
	}
}

// Config provides a function to set the config option.
func Config(val *config.Config) Option {
	return func(o *Options) {
		o.Config = val
	}
}

// ThumbnailStorage provides a function to set the thumbnail storage option.
func ThumbnailStorage(val storage.Storage) Option {
	return func(o *Options) {
		o.ThumbnailStorage = val
	}
}

// ThumbnailSource provides a function to set the image source option.
func ThumbnailSource(val imgsource.Source) Option {
	return func(o *Options) {
		o.ImageSource = val
	}
}

// CS3Source provides a function to set the CS3Source option
func CS3Source(val imgsource.Source) Option {
	return func(o *Options) {
		o.CS3Source = val
	}
}

// GatewaySelector adds a grpc client selector for the gateway service
func GatewaySelector(val pool.Selectable[gateway.GatewayAPIClient]) Option {
	return func(o *Options) {
		o.GatewaySelector = val
	}
}