using DTS.Common.Interface.TestMetaData;
using DTS.Common.Classes.CustomerDetails;
using NUnit.Framework;
using System;
using System.Linq;

namespace DatabaseUnitTesting
{
    [TestFixture]
    public partial class DBAPITests
    {
        public CustomerDetailsDbRecord CreateFakeCustomerDetails(string name)
        {
            var record = new CustomerDetailsDbRecord();
            record.CustomerId = -1;
            record.Name = name;
            record.CustomerName = Guid.NewGuid().ToString().Substring(0, 15);
            record.CustomerTestRefNumber = Guid.NewGuid().ToString().Substring(0, 15);
            record.ProjectRefNumber = Guid.NewGuid().ToString().Substring(0, 15);
            record.CustomerOrderNumber = Guid.NewGuid().ToString().Substring(0, 15);
            record.CustomerCostUnit = Guid.NewGuid().ToString().Substring(0, 15);
            record.LocalOnly = true;
            record.LastModified = DateTime.Today;
            record.LastModifiedBy = "NUNIT";
            record.Version = 1;
            return record;
        }
        [Test]
        public void CustomerDetails()
        {
            if (!_setup) { Setup(); }
            TestLogin();
            var connections = DbAPI.DbAPI.Connections.GetActiveConnections();

            //Delete all to start with a blank table
            var hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsDelete(_user, connections.First(), null, out string errorMessage);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsDelete");

            //we'll insert two records, one which is the one we'll be testing with get, and one that is just a decoy
            //for tests which we do not expect to be returned, etc.
            var legitRecord = CreateFakeCustomerDetails("legit");
            var decoyRecord = CreateFakeCustomerDetails("decoy");

            //Insert
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsInsert(_user, connections.First(), legitRecord, out int newLegitId, out string legitErrorString);
            Assert.IsTrue(0 == hr, "Should be able to insert a legitimate CustomerDetails record");
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsInsert(_user, connections.First(), decoyRecord, out int newFakeId, out string fakeErrorString);
            Assert.IsTrue(0 == hr, "Should be able to insert a decoy CustomerDetails record");
            //Get by Name
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), legitRecord.Name, out ICustomerDetailsDbRecord[] customerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != customerDetailsDbRecords && customerDetailsDbRecords.Length == 1, "CustomerDetailsGet should have retrieved 1 record");
            Assert.IsTrue(customerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet should have retrieved only one record");
            //Get all
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), null, out ICustomerDetailsDbRecord[] allCustomerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != allCustomerDetailsDbRecords && allCustomerDetailsDbRecords.Length == 2, "CustomerDetailsGet should have retrieved 2 records");
            Assert.IsTrue(allCustomerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet should have retrieved our record");
            Assert.IsTrue(allCustomerDetailsDbRecords.Any(r => r.Name == decoyRecord.Name), "CustomerDetailsGet should have retrieved our record");

            //Update
            var newCustomerTestRefNumber = Guid.NewGuid().ToString().Substring(0, 15);
            legitRecord.CustomerTestRefNumber = newCustomerTestRefNumber;
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsUpdate(_user, connections.First(), legitRecord, out legitErrorString);
            Assert.IsTrue(0 == hr, "Should be able to insert a legitimate CustomerDetails record");
            Assert.IsTrue(legitErrorString == string.Empty, $"Error when inserting a legitimate CustomerDetails record: {legitErrorString}");
            //Get by Name
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), legitRecord.Name, out customerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != customerDetailsDbRecords && customerDetailsDbRecords.Length == 1, "CustomerDetailsGet should have retrieved 1 record");
            Assert.IsTrue(customerDetailsDbRecords.Any(r => r.CustomerTestRefNumber == newCustomerTestRefNumber), "CustomerDetailsGet should have retrieved the updated record");

            //Delete by Name
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsDelete(_user, connections.First(), legitRecord.Name, out errorMessage);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsDelete");
            //Get by Name
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), legitRecord.Name, out customerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != customerDetailsDbRecords, "CustomerDetailsGet should not have retrieved this record");
            Assert.IsFalse(customerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet should not have retrieved this record");
            //Get all
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), null, out allCustomerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != allCustomerDetailsDbRecords && allCustomerDetailsDbRecords.Length == 1, "CustomerDetailsGet should have retrieved only the decoy record");
            Assert.IsFalse(allCustomerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet not should have retrieved this record");
            Assert.IsTrue(allCustomerDetailsDbRecords.Any(r => r.Name == decoyRecord.Name), "CustomerDetailsGet should have retrieved this record");

            //Delete all
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsDelete(_user, connections.First(), null, out errorMessage);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsDelete");
            //Get by Name
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), legitRecord.Name, out customerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != customerDetailsDbRecords, "CustomerDetailsGet should not have retrieved this record");
            Assert.IsFalse(customerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet should not have retrieved any records");
            //Get all
            hr = DbAPI.DbAPI.CustomerDetails.CustomerDetailsGet(_user, connections.First(), null, out allCustomerDetailsDbRecords);
            Assert.IsTrue(0 == hr, "Should return 0 for CustomerDetailsGet");
            Assert.IsTrue(null != allCustomerDetailsDbRecords, "CustomerDetailsGet should not have retrieved this record");
            Assert.IsFalse(allCustomerDetailsDbRecords.Any(r => r.Name == legitRecord.Name), "CustomerDetailsGet should not have retrieved any records");
        }
    }
}