package defaults

import (
	"path/filepath"

	"github.com/owncloud/ocis/v2/ocis-pkg/config/defaults"
	"github.com/owncloud/ocis/v2/services/sharing/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:   "127.0.0.1:9151",
			Token:  "",
			Pprof:  false,
			Zpages: false,
		},
		GRPC: config.GRPCConfig{
			Addr:      "127.0.0.1:9150",
			Namespace: "com.owncloud.api",
			Protocol:  "tcp",
		},
		Service: config.Service{
			Name: "sharing",
		},
		Reva: &config.Reva{
			Address: "127.0.0.1:9142",
		},
		UserSharingDriver: "jsoncs3",
		UserSharingDrivers: config.UserSharingDrivers{
			JSON: config.UserSharingJSONDriver{
				File: filepath.Join(defaults.BaseDataPath(), "storage", "shares.json"),
			},
			CS3: config.UserSharingCS3Driver{
				ProviderAddr:  "127.0.0.1:9215", // system storage
				SystemUserIDP: "internal",
			},
			JSONCS3: config.UserSharingJSONCS3Driver{
				ProviderAddr:  "127.0.0.1:9215", // system storage
				SystemUserIDP: "internal",
			},
			OwnCloudSQL: config.UserSharingOwnCloudSQLDriver{
				DBUsername: "owncloud",
				DBHost:     "mysql",
				DBPort:     3306,
				DBName:     "owncloud",
			},
		},
		PublicSharingDriver: "jsoncs3",
		PublicSharingDrivers: config.PublicSharingDrivers{
			JSON: config.PublicSharingJSONDriver{
				File: filepath.Join(defaults.BaseDataPath(), "storage", "publicshares.json"),
			},
			CS3: config.PublicSharingCS3Driver{
				ProviderAddr:  "127.0.0.1:9215", // system storage
				SystemUserIDP: "internal",
			},
			JSONCS3: config.PublicSharingJSONCS3Driver{
				ProviderAddr:  "127.0.0.1:9215", // system storage
				SystemUserIDP: "internal",
			},
			// TODO implement and add owncloudsql publicshare driver
		},
		Events: config.Events{
			Addr:        "127.0.0.1:9233",
			ClusterID:   "ocis-cluster",
			TLSInsecure: true,
		},
	}
}

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{}
	}

	if cfg.Reva == nil && cfg.Commons != nil && cfg.Commons.Reva != nil {
		cfg.Reva = &config.Reva{
			Address: cfg.Commons.Reva.Address,
		}
	} else if cfg.Reva == nil {
		cfg.Reva = &config.Reva{}
	}

	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.UserSharingDrivers.CS3.SystemUserAPIKey == "" && cfg.Commons != nil && cfg.Commons.SystemUserAPIKey != "" {
		cfg.UserSharingDrivers.CS3.SystemUserAPIKey = cfg.Commons.SystemUserAPIKey
	}

	if cfg.UserSharingDrivers.CS3.SystemUserID == "" && cfg.Commons != nil && cfg.Commons.SystemUserID != "" {
		cfg.UserSharingDrivers.CS3.SystemUserID = cfg.Commons.SystemUserID
	}

	if cfg.UserSharingDrivers.JSONCS3.SystemUserAPIKey == "" && cfg.Commons != nil && cfg.Commons.SystemUserAPIKey != "" {
		cfg.UserSharingDrivers.JSONCS3.SystemUserAPIKey = cfg.Commons.SystemUserAPIKey
	}

	if cfg.UserSharingDrivers.JSONCS3.SystemUserID == "" && cfg.Commons != nil && cfg.Commons.SystemUserID != "" {
		cfg.UserSharingDrivers.JSONCS3.SystemUserID = cfg.Commons.SystemUserID
	}

	if cfg.PublicSharingDrivers.CS3.SystemUserAPIKey == "" && cfg.Commons != nil && cfg.Commons.SystemUserAPIKey != "" {
		cfg.PublicSharingDrivers.CS3.SystemUserAPIKey = cfg.Commons.SystemUserAPIKey
	}

	if cfg.PublicSharingDrivers.CS3.SystemUserID == "" && cfg.Commons != nil && cfg.Commons.SystemUserID != "" {
		cfg.PublicSharingDrivers.CS3.SystemUserID = cfg.Commons.SystemUserID
	}

	if cfg.PublicSharingDrivers.JSONCS3.SystemUserAPIKey == "" && cfg.Commons != nil && cfg.Commons.SystemUserAPIKey != "" {
		cfg.PublicSharingDrivers.JSONCS3.SystemUserAPIKey = cfg.Commons.SystemUserAPIKey
	}

	if cfg.PublicSharingDrivers.JSONCS3.SystemUserID == "" && cfg.Commons != nil && cfg.Commons.SystemUserID != "" {
		cfg.PublicSharingDrivers.JSONCS3.SystemUserID = cfg.Commons.SystemUserID
	}
}

func Sanitize(cfg *config.Config) {
	// nothing to sanitize here atm
}