package imp

import (
	"context"
	"fmt"
	"net/url"

	"git.cryptic.systems/volker.raschek/flucky/pkg/config"
	"git.cryptic.systems/volker.raschek/flucky/pkg/repository"
	"git.cryptic.systems/volker.raschek/go-logger"
	"github.com/spf13/cobra"
)

func InitCmd(cmd *cobra.Command) error {
	importCmd := &cobra.Command{
		Use:   "import",
		Args:  cobra.RangeArgs(1, 2),
		Short: "Import data from passed URL",
		Example: `import sqlite3:///var/cache/flucky/sqlite3.db
import sqlite3:///var/cache/flucky/sqlite3.db postgres://user:password@host:port/database?sslmode=disable`,
		RunE: importSources,
	}
	cmd.AddCommand(importCmd)

	return nil
}

func importSources(cmd *cobra.Command, args []string) error {
	configFile, err := cmd.Flags().GetString("config")
	if err != nil {
		return fmt.Errorf("No config file defined")
	}

	cnf, err := config.Read(configFile)
	if err != nil {
		return err
	}

	logLevelString, err := cmd.Flags().GetString("loglevel")
	if err != nil {
		return err
	}

	logLevel, err := logger.ParseLogLevel(logLevelString)
	if err != nil {
		return err
	}

	flogger := logger.NewLogger(logLevel)

	var (
		srcURL  *url.URL
		destURL *url.URL
	)

	srcURL, err = url.Parse(args[0])
	if err != nil {
		return err
	}

	switch len(args) {
	case 1:
		destURL, err = url.Parse(cnf.DSN)
		if err != nil {
			return err
		}

	case 2:
		destURL, err = url.Parse(args[1])
		if err != nil {
			return err
		}
	}

	srcRepository, err := repository.New(srcURL, flogger)
	if err != nil {
		return err
	}

	destRepository, err := repository.New(destURL, flogger)
	if err != nil {
		return err
	}

	return destRepository.Import(context.Background(), srcRepository)
}