// Define the API endpoint URL.
$apiUrl = "https://api.fatora.io/v1/invoices";

// Define the API key.
$apiKey = "E4B73FEE-F492-4607-A38D-852B0EBC91C9";

$invoice = [
    "number" => "INV567",
    "amount" => 100.0,
    "currency" => "QAR",
    "terms_conditions" => "Sample terms and conditions",
    "note" => "Sample note",
    "due_date" => date('Y-m-d\TH:i:s\Z', strtotime('+30 days')), // Format the date as required
    "date" => date('Y-m-d\TH:i:s\Z'), // Format the date as required
    "status" => "paid",
    "type" => "detailed",
    "title" => "Sample Invoice",   
    "description" => "Sample invoice description",
    "client" => [
        "name" => "Client name",
        "email" => "[email protected]",
        "phone" => "Phone number",
        "address" => "Client address"
    ],
    "items" => [
        [
            "product_id" => "123",
            "description" => "Item 1",
            "qty" => 2,
            "amount" => 50.0
        ],
        [
            "product_id" => "456",
            "description" => "Item 2",
            "qty" => 5,
            "amount" => 50.0
        ]
    ],
    "payments" => [
        [
            
            "payment_date" => "2023-10-10T00:00:00Z",
            "transaction_id" => "TXN123",
            "amount" => 50.0, 
            "note" => "Payment received",
            "payment_type" => "credit",
            "status" => "paid"
            
        ],
        [
            "payment_date" => "2023-10-10T00:00:00Z",
            "transaction_id" => "TXN456",
            "amount" => 50.0, 
            "note" => "Another payment received",
            "payment_type" => "PayPal",
            "status" => "active
        ]
    ],
    "setting" => [        
        "tax" => true,
        "discount" => 10.0,
        "discount_type" => "Percentage",
        "language" => "ar",
        "accepted_payment_methods" => [
            "card" => true,
            "bank_account" => true,
            "cash" => true,
            "paypal" => true,
            "e_signature" => true
        ]
    ]
];

// Convert the data array to a JSON string.
$jsonPayload = json_encode($invoice);

// Initialize cURL session.
$ch = curl_init();

// Set cURL options.
curl_setopt($ch, CURLOPT_URL, $apiUrl);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["api_key: $apiKey", "Content-Type: application/json"]);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonPayload);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

// Execute the cURL session and capture the response.
$response = curl_exec($ch);

// Check for cURL errors.
if (curl_errno($ch)) {
    echo "cURL Error: " . curl_error($ch);
}

// Close the cURL session.
curl_close($ch);

// Display the response.
echo "API Response: " . $response;

// Define the API endpoint URL.
    string apiUrl = "https://api.fatora.io/v1/invoices";
    // Define the API key.
    string apiKey = "E4B73FEE-F492-4607-A38D-852B0EBC91C9";

    var invoice = new Invoice
    {
        number = "INV567",
        amount = 100.0m,
        currency = "QAR",
        terms_conditions = "Sample terms and conditions",
        note = "Sample note",
        due_date = DateTime.Now.AddDays(30),
        date = DateTime.Now,
        status = "paid",
        type = "detailed",
        title = "Sample Invoice",       
        description = "Sample invoice description",
        
    };

    invoice.client = new Client
    {
        name = "Client name",
        email = "[email protected]",
        phone = "Phone number",
        address = "Client address"
    };
    // Populate items
    invoice.items = new List
    {
        new InvocieItem
        {   
            "product_id" => "123",                 
            description = "Item 1",
            qty = 2,
            amount = 50.0m
        },
        new InvocieItem
        {   
            "product_id" => "456",                
            description = "Item 2",
            qty = 5,
            amount = 50.0m
        }
    };

    // Populate payments
    invoice.payments = new List
    {
        new InvoicePayment
        {
           
            payment_date = "2023-10-10",
            transaction_id = "TXN123",
            amount = 50.0m, 
            note = "Payment received",
            payment_type = "credit",
            status = "paid"
        },
        new InvoicePayment
        {
            
            payment_date = "2023-10-10",
            transaction_id = "TXN456",
            amount = 50.0m,
            note = "Another payment received",
            payment_type = "PayPal",
            status = "active"            
        }
    };

    // Populate setting
    invoice.setting = new InvoiceSetting
    {       
        tax = true,
        discount = 10.0m,
        discount_type = "Percentage",
        language = "ar",
        accepted_payment_methods = new PaymentMethod
        {
            card = true,
            bank_account = true,
            cash = true,
            paypal = true,
            e_signature = true
        }
    };

    // Serialize the Product object to JSON.
    string jsonPayload = JsonConvert.SerializeObject(invoice);

    // Create a WebRequest.
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(apiUrl);

    // Set the request method to POST.
    request.Method = "POST";

    // Set the API key header.
    request.Headers.Add("api_key", apiKey);

    // Set the request content type.
    request.ContentType = "application/json";

    // Convert the JSON payload to bytes.
    byte[] data = Encoding.UTF8.GetBytes(jsonPayload);

    // Set the content length.
    request.ContentLength = data.Length;

    // Get the request stream and write the JSON data to it.
    using (var stream = request.GetRequestStream())
    {
        stream.Write(data, 0, data.Length);
    }

    try
    {
        // Get the response.
        using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
        {
            if (response.StatusCode == HttpStatusCode.Created)
            {
                // Read the response data.
                using (var responseStream = response.GetResponseStream())
                using (var reader = new StreamReader(responseStream))
                {
                    string responseContent = reader.ReadToEnd();
                    Console.WriteLine("API Response: " + responseContent);
                }
            }
            else
            {
                Console.WriteLine("API Request failed with status code: " + response.StatusCode);
            }
        }
    }
    catch (WebException ex)
    {
        Console.WriteLine("API Request failed with an exception: " + ex.Message);
    }

{
"status": "SUCCESS",
"invoice": {
"id": 2075,
"number": "INV567",
"currency": "QAR",
"terms_conditions": "Sample terms and conditions",
"note": null,
"due_date": "2023-11-23T10:21:04",
"date": "2023-10-24T10:21:00.9047758+02:00",
"status": "paid",
"type": "Detailed invoice",
"client": {
    "id": 1307,
    "name": "Client name",
    "address": "Client address",
    "phone": "Phone number",
    "email": "[email protected]",
    "notes": null
},
"title": "Sample Invoice",
"items": [
    {
        "id": 2376,
        "product_id" : 123,
        "description": "Sample invoice description",
        "type": "Service Item",       
        "qty": 1.0,
        "amount": 50.0
    },
    {
        "id": 8796,
        "product_id" : 456,
        "description": "Sample invoice description",
        "type": "Service Item",       
        "qty": 1.0,
        "amount": 50.0
    }
],
"payments": [
    {
        "id": 942,
        "payment_date": "2023-10-10T00:00:00",
        "transaction_id": "TXN123",
        "amount": 50.0,
        "note": "external",
        "payment_type": "Credit",
        "status": "Paid"
    },
    {
        "id": 943,
        "payment_date": "2023-10-10T00:00:00", 
        "transaction_id": "TXN456",
        "amount": 50.0,
        "note": "external",
        "payment_type": "PayPal",
        "status": "Paid"
    }
],
"setting": {   
    "tax": true,
    "discount": 0.0,
    "discount_type": "",
    "language": "ar",
    "accepted_payment_methods": {
        "card": true,
        "bank_account": true,
        "cash": true,
        "paypal": true,
        "e_signature": true
    }
}
}
}