using System;
using Xunit;
using Newtonsoft.Json.Linq;
using FluentAssertions;

namespace raven_integration
{

    public class CustomerCrud
    {

        /// <summary>
        /// Full CRUD for a Customer, including concurrency violation and alert retrieval.
        /// </summary>
        [Fact]
        public async Task CRUD()
        {
            var token = await Util.GetTokenAsync("BizAdmin");

            // CREATE
            var name = Util.Uniquify("Test Customer");
            var payload = $$"""
                {"id":0,"concurrency":0,"name":"{{name}}","active":true,"notes":"The quick brown fox jumped over the six lazy dogs!","wiki":null,"customFields":"{}","tags":[],"webAddress":null,"alertNotes":"Test alert text for this customer","billHeadOffice":false,"headOfficeId":null,"techNotes":"Tech-only notes","accountNumber":"ACC-001","contractId":null,"contractExpires":null,"phone1":"555-1234","phone2":null,"phone3":null,"phone4":null,"phone5":null,"emailAddress":"test@example.com","postAddress":null,"postCity":null,"postRegion":null,"postCountry":null,"postCode":null,"address":null,"city":null,"region":null,"country":null,"addressPostal":null,"latitude":null,"longitude":null}
                """;

            ApiResponse a = await Util.PostAsync("customer", token, payload);
            Util.ValidateDataReturnResponseOk(a);
            long Id = a.ObjectResponse["data"]["id"].Value<long>();
            Id.Should().BeGreaterThan(0);
            a.ObjectResponse["data"]["name"].Value<string>().Should().Be(name);

            // GET
            a = await Util.GetAsync($"customer/{Id}", token);
            Util.ValidateDataReturnResponseOk(a);
            a.ObjectResponse["data"]["name"].Value<string>().Should().Be(name);
            a.ObjectResponse["data"]["phone1"].Value<string>().Should().Be("555-1234");
            var concurrency = a.ObjectResponse["data"]["concurrency"].Value<uint>();

            // GET ALERT
            a = await Util.GetAsync($"customer/alert/{Id}", token);
            Util.ValidateDataReturnResponseOk(a);
            a.ObjectResponse["data"].Value<string>().Should().Be("Test alert text for this customer");

            // PUT (update name and phone)
            var updatedName = Util.Uniquify("Updated Customer");
            var putPayload = $$"""
                {"id":{{Id}},"concurrency":{{concurrency}},"name":"{{updatedName}}","active":true,"notes":"Updated notes","wiki":null,"customFields":"{}","tags":[],"webAddress":null,"alertNotes":"Updated alert text","billHeadOffice":false,"headOfficeId":null,"techNotes":null,"accountNumber":null,"contractId":null,"contractExpires":null,"phone1":"555-9999","phone2":null,"phone3":null,"phone4":null,"phone5":null,"emailAddress":null,"postAddress":null,"postCity":null,"postRegion":null,"postCountry":null,"postCode":null,"address":null,"city":null,"region":null,"country":null,"addressPostal":null,"latitude":null,"longitude":null}
                """;
            a = await Util.PutAsync("customer", token, putPayload);
            Util.ValidateHTTPStatusCode(a, 200);
            var newConcurrency = a.ObjectResponse["data"]["concurrency"].Value<uint>();
            newConcurrency.Should().NotBe(concurrency, "concurrency should have been bumped by the update");

            // Verify the update was persisted
            a = await Util.GetAsync($"customer/{Id}", token);
            Util.ValidateDataReturnResponseOk(a);
            a.ObjectResponse["data"]["name"].Value<string>().Should().Be(updatedName);
            a.ObjectResponse["data"]["phone1"].Value<string>().Should().Be("555-9999");

            // CONCURRENCY VIOLATION: PUT with stale concurrency should return 409
            a = await Util.PutAsync("customer", token, putPayload); // putPayload still has old concurrency
            Util.ValidateConcurrencyError(a);

            // DELETE
            a = await Util.DeleteAsync($"customer/{Id}", token);
            Util.ValidateHTTPStatusCode(a, 204);

            // Confirm deleted
            a = await Util.GetAsync($"customer/{Id}", token);
            Util.ValidateResponseNotFound(a);
        }


        /// <summary>
        /// A customer that has at least one work order associated with it should not
        /// be deletable — referential integrity must be enforced.
        /// </summary>
        [Fact]
        public async Task CustomerWithWorkOrders_CannotBeDeleted()
        {
            var token = await Util.GetTokenAsync("BizAdmin");

            // Create a dedicated customer so we control what is linked to it
            var name = Util.Uniquify("RefInt Customer");
            var payload = $$"""
                {"id":0,"concurrency":0,"name":"{{name}}","active":true,"notes":null,"wiki":null,"customFields":"{}","tags":[],"webAddress":null,"alertNotes":null,"billHeadOffice":false,"headOfficeId":null,"techNotes":null,"accountNumber":null,"contractId":null,"contractExpires":null,"phone1":null,"phone2":null,"phone3":null,"phone4":null,"phone5":null,"emailAddress":null,"postAddress":null,"postCity":null,"postRegion":null,"postCountry":null,"postCode":null,"address":null,"city":null,"region":null,"country":null,"addressPostal":null,"latitude":null,"longitude":null}
                """;
            ApiResponse a = await Util.PostAsync("customer", token, payload);
            Util.ValidateDataReturnResponseOk(a);
            long customerId = a.ObjectResponse["data"]["id"].Value<long>();

            // Create a work order linked to this customer
            var isoNow = DateTime.UtcNow.ToString("o");
            var woPayload = $$"""
                {"id":0,"concurrency":0,"serial":0,"notes":"RefInt test WO","wiki":null,"customFields":"{}","tags":[],"customerId":{{customerId}},"projectId":null,"contractId":null,"internalReferenceNumber":null,"customerReferenceNumber":null,"customerContactName":null,"fromQuoteId":null,"fromPMId":null,"serviceDate":"{{isoNow}}","completeByDate":null,"durationToCompleted":"00:00:00","invoiceNumber":null,"onsite":true,"customerSignature":null,"customerSignatureName":null,"customerSignatureCaptured":null,"techSignature":null,"techSignatureName":null,"techSignatureCaptured":null,"postAddress":null,"postCity":null,"postRegion":null,"postCountry":null,"postCode":null,"address":null,"city":null,"region":null,"country":null,"addressPostal":null,"latitude":null,"longitude":null,"isDirty":true,"isLockedAtServer":false}
                """;
            a = await Util.PostAsync("workorder", token, woPayload);
            Util.ValidateDataReturnResponseOk(a);
            long woId = a.ObjectResponse["data"]["id"].Value<long>();

            // Attempt to delete the customer — should be blocked by referential integrity
            a = await Util.DeleteAsync($"customer/{customerId}", token);
            Util.ValidateViolatesReferentialIntegrityError(a);

            // Clean up: delete the work order first, then the customer
            a = await Util.DeleteAsync($"workorder/{woId}", token);
            Util.ValidateHTTPStatusCode(a, 204);

            a = await Util.DeleteAsync($"customer/{customerId}", token);
            Util.ValidateHTTPStatusCode(a, 204);
        }

    }//eoc
}//eons