// Copyright 2024 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package object

import (
	"fmt"

	"github.com/casdoor/casdoor/pp"
	"github.com/casdoor/casdoor/util"
	"github.com/xorm-io/core"
)

type Transaction struct {
	Owner       string `xorm:"varchar(100) notnull pk" json:"owner"`
	Name        string `xorm:"varchar(100) notnull pk" json:"name"`
	CreatedTime string `xorm:"varchar(100)" json:"createdTime"`
	DisplayName string `xorm:"varchar(100)" json:"displayName"`
	// Transaction Provider Info
	Provider string `xorm:"varchar(100)" json:"provider"`
	Category string `xorm:"varchar(100)" json:"category"`
	Type     string `xorm:"varchar(100)" json:"type"`
	// Product Info
	ProductName        string  `xorm:"varchar(100)" json:"productName"`
	ProductDisplayName string  `xorm:"varchar(100)" json:"productDisplayName"`
	Detail             string  `xorm:"varchar(255)" json:"detail"`
	Tag                string  `xorm:"varchar(100)" json:"tag"`
	Currency           string  `xorm:"varchar(100)" json:"currency"`
	Amount             float64 `json:"amount"`
	ReturnUrl          string  `xorm:"varchar(1000)" json:"returnUrl"`
	// User Info
	User        string `xorm:"varchar(100)" json:"user"`
	Application string `xorm:"varchar(100)" json:"application"`
	Payment     string `xorm:"varchar(100)" json:"payment"`

	State pp.PaymentState `xorm:"varchar(100)" json:"state"`
}

func GetTransactionCount(owner, field, value string) (int64, error) {
	session := GetSession(owner, -1, -1, field, value, "", "")
	return session.Count(&Transaction{Owner: owner})
}

func GetTransactions(owner string) ([]*Transaction, error) {
	transactions := []*Transaction{}
	err := ormer.Engine.Desc("created_time").Find(&transactions, &Transaction{Owner: owner})
	if err != nil {
		return nil, err
	}

	return transactions, nil
}

func GetUserTransactions(owner, user string) ([]*Transaction, error) {
	transactions := []*Transaction{}
	err := ormer.Engine.Desc("created_time").Find(&transactions, &Transaction{Owner: owner, User: user})
	if err != nil {
		return nil, err
	}

	return transactions, nil
}

func GetPaginationTransactions(owner string, offset, limit int, field, value, sortField, sortOrder string) ([]*Transaction, error) {
	transactions := []*Transaction{}
	session := GetSession(owner, offset, limit, field, value, sortField, sortOrder)
	err := session.Find(&transactions, &Transaction{Owner: owner})
	if err != nil {
		return nil, err
	}

	return transactions, nil
}

func getTransaction(owner string, name string) (*Transaction, error) {
	if owner == "" || name == "" {
		return nil, nil
	}

	transaction := Transaction{Owner: owner, Name: name}
	existed, err := ormer.Engine.Get(&transaction)
	if err != nil {
		return nil, err
	}

	if existed {
		return &transaction, nil
	} else {
		return nil, nil
	}
}

func GetTransaction(id string) (*Transaction, error) {
	owner, name := util.GetOwnerAndNameFromId(id)
	return getTransaction(owner, name)
}

func UpdateTransaction(id string, transaction *Transaction) (bool, error) {
	owner, name := util.GetOwnerAndNameFromId(id)
	if p, err := getTransaction(owner, name); err != nil {
		return false, err
	} else if p == nil {
		return false, nil
	}

	affected, err := ormer.Engine.ID(core.PK{owner, name}).AllCols().Update(transaction)
	if err != nil {
		return false, err
	}

	return affected != 0, nil
}

func AddTransaction(transaction *Transaction) (bool, error) {
	affected, err := ormer.Engine.Insert(transaction)
	if err != nil {
		return false, err
	}

	return affected != 0, nil
}

func DeleteTransaction(transaction *Transaction) (bool, error) {
	affected, err := ormer.Engine.ID(core.PK{transaction.Owner, transaction.Name}).Delete(&Transaction{})
	if err != nil {
		return false, err
	}

	return affected != 0, nil
}

func (transaction *Transaction) GetId() string {
	return fmt.Sprintf("%s/%s", transaction.Owner, transaction.Name)
}