/*
 * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
 *
 * This work is published and licensed under a Creative Commons
 * Attribution-NonCommercial-NoDerivatives 4.0 International License.
 *
 * Distribution of this work is permitted, but commercial use and
 * modifications are strictly prohibited.
 */
package accoper

import (
	"context"
	"fmt"

	"mstore/pkg/auxpwd"
	"mstore/pkg/auxtool"
	"mstore/pkg/auxuuid"
	"mstore/pkg/descr"
)

type CreateAccountParams struct {
	Username string `json:"username"`
	Password string `json:"password"`
}
type CreateAccountResult struct {
	AccountID string `json:"accountId"`
}

func (oper *Operator) CreateAccount(ctx context.Context, operatorID string, params *CreateAccountParams) (*CreateAccountResult, error) {
	var err error
	res := &CreateAccountResult{}

	if params.Username == "" {
		err := fmt.Errorf("Empty username parameters")
		return res, err
	}

	if params.Password == "" {
		err := fmt.Errorf("Empty password parameter")
		return res, err
	}

	accountExists, _, err := oper.mdb.GetAccountByUsername(ctx, params.Username)
	if err != nil {
		return res, err
	}
	if accountExists {
		err := fmt.Errorf("Account with thist name already exists")
		return res, err
	}
	now := auxtool.TimeNow()
	passhash := auxpwd.MakeSHA256Hash([]byte(params.Password))
	accountDescr := &descr.Account{
		ID:        auxuuid.NewUUID(),
		Username:  params.Username,
		Passhash:  passhash,
		Disabled:  false,
		CreatedAt: now,
		UpdatedAt: now,
		CreatedBy: operatorID,
		UpdatedBy: operatorID,
	}
	err = oper.mdb.InsertAccount(ctx, accountDescr)
	if err != nil {
		return res, err
	}
	res.AccountID = accountDescr.ID
	return res, err
}