package defaults

import (
	"strings"
	"time"

	"github.com/opencloud-eu/opencloud/services/groupware/pkg/config"
)

// FullDefaultConfig returns a fully initialized default configuration
func FullDefaultConfig() *config.Config {
	cfg := DefaultConfig()
	EnsureDefaults(cfg)
	Sanitize(cfg)
	return cfg
}

// DefaultConfig returns a basic default configuration
func DefaultConfig() *config.Config {
	return &config.Config{
		Debug: config.Debug{
			Addr:   "127.0.0.1:9292",
			Token:  "",
			Pprof:  false,
			Zpages: false,
		},
		Mail: config.Mail{
			Master: config.MailMasterAuth{
				Username: "",
				Password: "",
			},
			BaseUrl:               "https://stalwart.opencloud.test",
			Timeout:               30 * time.Second,
			DefaultEmailLimit:     uint(0),
			MaxBodyValueBytes:     uint(0),
			DefaultContactLimit:   uint(0),
			ResponseHeaderTimeout: 10 * time.Second,
			PushHandshakeTimeout:  10 * time.Second,
			SessionCache: config.MailSessionCache{
				Ttl:         5 * time.Minute,
				FailureTtl:  15 * time.Second,
				MaxCapacity: 10_000,
			},
		},
		HTTP: config.HTTP{
			Addr:      "127.0.0.1:9276",
			Root:      "/groupware",
			Namespace: "eu.opencloud.web",
			CORS: config.CORS{
				AllowedOrigins:   []string{"*"},
				AllowedMethods:   []string{"GET", "POST", "PUT", "PATCH", "DELETE", "OPTIONS", "REPORT"},
				AllowedHeaders:   []string{"Authorization", "Origin", "Content-Type", "Accept", "X-Requested-With", "X-Request-Id", "Trace-Id", "Cache-Control"},
				AllowCredentials: true,
			},
			OpenCloudPublicURL:    "https://localhost:9200/",
			SendDurationsResponse: false,
		},
		Service: config.Service{
			Name: "groupware",
		},
		EnableMockData: false,
	}
}

// EnsureDefaults adds default values to the configuration if they are not set yet
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{}
	}
	if cfg.TokenManager == nil && cfg.Commons != nil && cfg.Commons.TokenManager != nil {
		cfg.TokenManager = &config.TokenManager{
			JWTSecret: cfg.Commons.TokenManager.JWTSecret,
		}
	} else if cfg.TokenManager == nil {
		cfg.TokenManager = &config.TokenManager{}
	}
	if cfg.Commons != nil {
		cfg.HTTP.TLS = cfg.Commons.HTTPServiceTLS
	}
}

// Sanitize sanitized the configuration
func Sanitize(cfg *config.Config) {
	if cfg.HTTP.Root != "/" {
		cfg.HTTP.Root = strings.TrimSuffix(cfg.HTTP.Root, "/")
	}
}