/* openbills - Server for web based Libre Billing Software
 * Copyright (C) 2023  Vidhu Kant Sharma <vidhukant@vidhukant.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package invoice

import (
	"gorm.io/gorm"
	d "vidhukant.com/openbills/db"
	"vidhukant.com/openbills/user"
	c "vidhukant.com/openbills/customer"
	i "vidhukant.com/openbills/item"
	"time"
)

var db *gorm.DB
func init() {
	db = d.DB

	db.AutoMigrate(&Invoice{}, &InvoiceItem{}, &InvoiceBillingAddress{}, &InvoiceShippingAddress{})
}

type InvoiceBillingAddress struct {
	gorm.Model
	c.Address
	InvoiceID uint
}

type InvoiceShippingAddress struct {
	gorm.Model
	c.Address
	InvoiceID uint
}

type InvoiceItem struct {
	gorm.Model
	i.Item
	InvoiceID uint
	BrandName string
	Quantity  string // float
}

type Invoice struct {
	gorm.Model
	UserID          uint      `json:"-"`
	User            user.User `json:"-"`
	InvoiceDate     time.Time
	InvoiceNumber   uint
	BillingAddress  InvoiceBillingAddress
	ShippingAddress InvoiceShippingAddress
	IsDraft         bool
	Items           []InvoiceItem

	// the customer fields are hard coded for:
	// 1. simplicity and
	// 2. don't wanna update details for all the
	//    invoices if one customer's details are updated
	// NOTE: These fields aren't getting validated (as of now, at least)
	CustomerName        string
	CustomerGstin       string
	CustomerContactName string
	CustomerPhone       string
	CustomerEmail       string
	CustomerWebsite     string

	// Transporter     Transporter
	// DueDate         string
	// TransactionID   string
}