/*
 * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
 */
package main

import (
	"context"
	"os"

	"mbase/app/config"
	"mbase/app/maindb"
	"mbase/pkg/auxtool"
	"mbase/pkg/descr"

	"github.com/spf13/cobra"
	"go.yaml.in/yaml/v4"
)

func (util *Util) DumpDatabase(cmd *cobra.Command, args []string) {
	util.dumpDatabaseParams.Filename = args[0]
	res, err := util.dumpDatabase(util.dumpDatabaseParams)
	printResponse(res, err)
}

type dumpDatabaseParams struct {
	Filename string
}
type dumpDatabaseResult struct{}

func (util *Util) dumpDatabase(params dumpDatabaseParams) (dumpDatabaseResult, error) {
	var err error
	res := dumpDatabaseResult{}
	ctx := context.Background()

	conf := config.NewConfig()
	err = conf.ReadFile()
	if err != nil {
		return res, err
	}
	err = conf.ReadEnv()
	if err != nil {
		return res, err
	}
	db, err := maindb.NewDatabase(conf.DataDir)
	if err != nil {
		return res, err
	}
	err = db.OpenDatabase()
	if err != nil {
		return res, err
	}
	file := os.Stdout
	if params.Filename != "-" {
		file, err = os.OpenFile(params.Filename, os.O_CREATE|os.O_WRONLY, 0640)
		if err != nil {
			return res, err
		}
		defer file.Close()
	}
	listAccounts, err := db.CompletedListAccounts(ctx)
	if err != nil {
		return res, err
	}
	listGrants, err := db.ListGrants(ctx)
	if err != nil {
		return res, err
	}
	dump := descr.Dump{
		Timestamp: auxtool.TimeNow(),
		Accounts:  listAccounts,
		Grants:    listGrants,
	}
	dumpBytes, err := yaml.Marshal(dump)
	if err != nil {
		return res, err
	}
	_, err = file.Write(dumpBytes)
	if err != nil {
		return res, err
	}
	return res, err
}