package commands

import (
	"github.com/spf13/cobra"
)

// NewStorageCmd returns a new storage *cobra.Command.
func NewStorageCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:               "storage",
		Short:             "Manage the Authelia storage",
		Args:              cobra.NoArgs,
		PersistentPreRunE: storagePersistentPreRunE,
	}

	cmd.PersistentFlags().StringSliceP("config", "c", []string{"config.yml"}, "configuration file to load for the storage migration")

	cmd.PersistentFlags().String("encryption-key", "", "the storage encryption key to use")

	cmd.PersistentFlags().String("sqlite.path", "", "the SQLite database path")

	cmd.PersistentFlags().String("mysql.host", "", "the MySQL hostname")
	cmd.PersistentFlags().Int("mysql.port", 3306, "the MySQL port")
	cmd.PersistentFlags().String("mysql.database", "authelia", "the MySQL database name")
	cmd.PersistentFlags().String("mysql.username", "authelia", "the MySQL username")
	cmd.PersistentFlags().String("mysql.password", "", "the MySQL password")

	cmd.PersistentFlags().String("postgres.host", "", "the PostgreSQL hostname")
	cmd.PersistentFlags().Int("postgres.port", 5432, "the PostgreSQL port")
	cmd.PersistentFlags().String("postgres.database", "authelia", "the PostgreSQL database name")
	cmd.PersistentFlags().String("postgres.username", "authelia", "the PostgreSQL username")
	cmd.PersistentFlags().String("postgres.password", "", "the PostgreSQL password")

	cmd.AddCommand(
		newStorageMigrateCmd(),
		newStorageSchemaInfoCmd(),
		newStorageEncryptionCmd(),
		newStorageExportCmd(),
	)

	return cmd
}

func newStorageEncryptionCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "encryption",
		Short: "Manages encryption",
	}

	cmd.AddCommand(
		newStorageEncryptionChangeKeyCmd(),
		newStorageEncryptionCheckCmd(),
	)

	return cmd
}

func newStorageEncryptionCheckCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "check",
		Short: "Checks the encryption key against the database data",
		RunE:  storageSchemaEncryptionCheckRunE,
	}

	cmd.Flags().Bool("verbose", false, "enables verbose checking of every row of encrypted data")

	return cmd
}

func newStorageEncryptionChangeKeyCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "change-key",
		Short: "Changes the encryption key",
		RunE:  storageSchemaEncryptionChangeKeyRunE,
	}

	cmd.Flags().String("new-encryption-key", "", "the new key to encrypt the data with")

	return cmd
}

func newStorageExportCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "export",
		Short: "Performs exports",
	}

	cmd.AddCommand(newStorageExportTOTPConfigurationsCmd())

	return cmd
}

func newStorageExportTOTPConfigurationsCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "totp-configurations",
		Short: "Performs exports of the totp configurations",
		RunE:  storageExportTOTPConfigurationsRunE,
	}

	cmd.Flags().String("format", storageExportFormatCSV, "changes the format of the export, options are csv and uri")

	return cmd
}

func newStorageSchemaInfoCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "schema-info",
		Short: "Show the storage information",
		RunE:  storageSchemaInfoRunE,
	}

	return cmd
}

// NewMigrationCmd returns a new Migration Cmd.
func newStorageMigrateCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "migrate",
		Short: "Perform or list migrations",
		Args:  cobra.NoArgs,
	}

	cmd.AddCommand(
		newStorageMigrateUpCmd(), newStorageMigrateDownCmd(),
		newStorageMigrateListUpCmd(), newStorageMigrateListDownCmd(),
		newStorageMigrateHistoryCmd(),
	)

	return cmd
}

func newStorageMigrateHistoryCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "history",
		Short: "Show migration history",
		Args:  cobra.NoArgs,
		RunE:  storageMigrateHistoryRunE,
	}

	return cmd
}

func newStorageMigrateListUpCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "list-up",
		Short: "List the up migrations available",
		Args:  cobra.NoArgs,
		RunE:  newStorageMigrateListRunE(true),
	}

	return cmd
}

func newStorageMigrateListDownCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   "list-down",
		Short: "List the down migrations available",
		Args:  cobra.NoArgs,
		RunE:  newStorageMigrateListRunE(false),
	}

	return cmd
}

func newStorageMigrateUpCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   storageMigrateDirectionUp,
		Short: "Perform a migration up",
		Args:  cobra.NoArgs,
		RunE:  newStorageMigrationRunE(true),
	}

	cmd.Flags().IntP("target", "t", 0, "sets the version to migrate to, by default this is the latest version")

	return cmd
}

func newStorageMigrateDownCmd() (cmd *cobra.Command) {
	cmd = &cobra.Command{
		Use:   storageMigrateDirectionDown,
		Short: "Perform a migration down",
		Args:  cobra.NoArgs,
		RunE:  newStorageMigrationRunE(false),
	}

	cmd.Flags().IntP("target", "t", 0, "sets the version to migrate to")
	cmd.Flags().Bool("pre1", false, "sets pre1 as the version to migrate to")
	cmd.Flags().Bool("destroy-data", false, "confirms you want to destroy data with this migration")

	return cmd
}