using Economy;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            var test = new TestApi();
            test.TestCustomerApi("your@email.com", "yourpassword");
            Console.ReadKey();
        }
    }

    class TestApi
    {

        public async void TestCustomerApi(string username, string password)
        {

            // Login
            var api = new Economy.Api();
            if (!await api.Login(username, password))
            {
                Console.WriteLine(api.LastErrorMessage);
                return;
            }

            // Make sure we have a company-key
            await api.GetCompanies();

            // Define a customer
            var cust = new Customer
            {
                Info = new BusinessRelation
                {
                    Name = "Uni Micro as",
                    InvoiceAddress = new Address
                    {
                        AddressLine1 = "Øvre Helland",
                        PostalCode = "5729",
                        City = "Modalen"
                    },
                    DefaultPhone = new Phone
                    {
                        Number = "+47 56 59 91 00"
                    }
                }
            };

            // Check if customer exist, if not we create it
            var match = await GetCustomerByName(api, cust.Info.Name);
            if (match == null)
            {
                match = await CreateCustomer(api, cust);
            }

            Console.WriteLine(match);

        }

        // Helpers to find and create customer

        async Task<Customer> GetCustomerByName(Api api, string name)
        {
            var list = await api.Get<List<Customer>>($"api/biz/customers?expand=Info,Info.InvoiceAddress,Info.DefaultPhone&filter=Info.Name eq '{name}'");
            return list != null && list.Count > 0 ? list[0] : null;
        }

        async Task<Customer> CreateCustomer(Api api, Customer cust)
        {
            return await api.Send<Customer>("api/biz/customers", "POST", api.DeParse(cust));
        }

        // Simple Poco's to represent subset of actual properties

        class Customer
        {
            public int ID { get; set; }
            public int CustomerNumber { get; set; }
            public BusinessRelation Info { get; set; }

            public override string ToString()
            {
                return $"ID: {ID} / CustomerNumber: {CustomerNumber} - {Info.Name}, {Info.InvoiceAddress?.City}";
            }
        }

        class BusinessRelation
        {
            public int ID { get; set; }
            public string Name { get; set; }
            public Address InvoiceAddress { get; set; }
            public Phone DefaultPhone { get; set; }
        }

        class Address
        {
            public int ID { get; set; }
            public string AddressLine1 { get; set; }
            public string AddressLine2 { get; set; }
            public string AddressLine3 { get; set; }
            public string PostalCode { get; set; }
            public string City { get; set; }
            public string Country { get; set; }
            public string CountryCode { get; set; }
        }

        class Phone
        {
            public int ID { get; set; }
            public string Number { get; set; }
        }
    }

}