package defaults

import (
	"strings"

	"github.com/owncloud/ocis/v2/services/graph-explorer/pkg/config"
)

func FullDefaultConfig() *config.Config {
	cfg := DefaultConfig()
	EnsureDefaults(cfg)
	Sanitize(cfg)
	return cfg
}

func DefaultConfig() *config.Config {
	return &config.Config{
		Debug: config.Debug{
			Addr:   "127.0.0.1:9136",
			Token:  "",
			Pprof:  false,
			Zpages: false,
		},
		HTTP: config.HTTP{
			Addr:      "127.0.0.1:9135",
			Root:      "/graph-explorer",
			Namespace: "com.owncloud.web",
		},
		Service: config.Service{
			Name: "graph-explorer",
		},
		GraphExplorer: config.GraphExplorer{
			ClientID:     "ocis-explorer.js",
			Issuer:       "https://localhost:9200",
			GraphURLBase: "https://localhost:9200",
			GraphURLPath: "/graph",
		},
	}
}

func EnsureDefaults(cfg *config.Config) {
	// provide with defaults for shared logging, since we need a valid destination address for "envdecode".
	if cfg.Log == nil && cfg.Commons != nil && cfg.Commons.Log != nil {
		cfg.Log = &config.Log{
			Level:  cfg.Commons.Log.Level,
			Pretty: cfg.Commons.Log.Pretty,
			Color:  cfg.Commons.Log.Color,
			File:   cfg.Commons.Log.File,
		}
	} else if cfg.Log == nil {
		cfg.Log = &config.Log{}
	}
	// provide with defaults for shared tracing, since we need a valid destination address for "envdecode".
	if cfg.Tracing == nil && cfg.Commons != nil && cfg.Commons.Tracing != nil {
		cfg.Tracing = &config.Tracing{
			Enabled:   cfg.Commons.Tracing.Enabled,
			Type:      cfg.Commons.Tracing.Type,
			Endpoint:  cfg.Commons.Tracing.Endpoint,
			Collector: cfg.Commons.Tracing.Collector,
		}
	} else if cfg.Tracing == nil {
		cfg.Tracing = &config.Tracing{}
	}
}

func Sanitize(cfg *config.Config) {
	// sanitize config
	if cfg.HTTP.Root == "/" {
		cfg.HTTP.Root = strings.TrimSuffix(cfg.HTTP.Root, "/graph-explorer")
	}
}
