using Data.SeaHavenIndustries;
using Data.SeaHavenIndustries.Enums;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Implementation;
using SeaHaven.Services.Constants;
using SeaHaven.Services.DTOs;
using SeaHaven.Services.Helpers;
using SeaHaven.Services.Implementation;

namespace SeaHavenIndustries.Tests;

public class WorkOrderCompletionFreezeTests
{
    [Fact]
    public async Task FirstCompletedTransitionCapturesSnapshotAndLaterPatchKeepsIt()
    {
        await using var context = CreateContext();
        var service = CreateService(context);
        var location = new Locations
        {
            Id = 10,
            Name = "BK5 Chicago",
            Address1 = "100 Main St",
            City = "Chicago",
            State = "IL",
            Zip = "60601",
            PhoneNumber = "312-555-0100",
            Email = "site@example.com"
        };
        var vendor = new Vendor
        {
            Id = 20,
            CompanyName = "Frozen Vendor",
            ContactName = "Frozen Tech",
            Address = "200 Vendor Ave",
            City = "Chicago",
            State = "IL",
            Zip = "60602",
            CompanyPhone = "312-555-0200",
            Email = "vendor@example.com"
        };
        var contact = new Contacts
        {
            Id = 30,
            FirstName = "Frozen",
            LastName = "POC",
            PhoneNumber = "312-555-0300"
        };
        var dispatch = new Dispatch
        {
            Id = 40,
            WorkOrderId = 1,
            VendorId = vendor.Id,
            Vendor = vendor,
            Status = "Sent"
        };
        var workOrder = new WorkOrder
        {
            Id = 1,
            InternalWONumber = "00000012345",
            SiteCode = "BK5",
            LocationId = location.Id,
            Locations = location,
            LifecycleStatus = LifecycleStatus.Scheduled,
            ScheduledDate = DateTime.UtcNow.Date.AddDays(1),
            PrimaryDispatchId = dispatch.Id,
            PrimaryDispatch = dispatch,
            PocNotes = "Call first",
            AdditionalContacts = """[{"name":"Backup","phone":"312-555-0400"}]""",
            RowVersion = Version()
        };
        var workOrderContact = new WorkOrderContacts
        {
            Id = 50,
            WorkorderId = workOrder.Id,
            WorkOrder = workOrder,
            ContactId = contact.Id,
            POC = contact
        };
        workOrder.WorkOrderContacts = new[] { workOrderContact };
        context.AddRange(location, vendor, contact, dispatch, workOrder, workOrderContact);
        await context.SaveChangesAsync();

        var completed = await service.PatchFieldAsync(
            workOrder.Id,
            Patch(WorkOrderBoardFieldNames.LifecycleStatus, "Complete", workOrder),
            "actor-1");
        var persisted = await context.workOrders.SingleAsync();
        var frozenSiteJson = persisted.FrozenSite;
        var frozenCompanyJson = persisted.FrozenCompany;
        var frozenPocJson = persisted.FrozenPoc;

        Assert.Equal(LifecycleStatus.Completed, completed.LifecycleStatus);
        Assert.Equal("BK5 Chicago", completed.LocationName);
        Assert.Equal("Frozen Vendor", completed.VendorName);
        Assert.Equal("Frozen POC", completed.PocName);
        Assert.Equal("Chicago", completed.FrozenSite?.City);
        Assert.Equal("Frozen Vendor", completed.FrozenCompany?.Name);
        Assert.Equal(2, completed.FrozenPoc?.Contacts.Count);

        location.Name = "Changed Site";
        location.City = "Milwaukee";
        vendor.CompanyName = "Changed Vendor";
        contact.FirstName = "Changed";
        await context.SaveChangesAsync();

        var afterFlag = await service.PatchFieldAsync(
            workOrder.Id,
            Patch(WorkOrderBoardFieldNames.FlagColor, "#EF4444", persisted),
            "actor-1");

        Assert.Equal(frozenSiteJson, persisted.FrozenSite);
        Assert.Equal(frozenCompanyJson, persisted.FrozenCompany);
        Assert.Equal(frozenPocJson, persisted.FrozenPoc);
        Assert.Equal("BK5 Chicago", afterFlag.LocationName);
        Assert.Equal("Frozen Vendor", afterFlag.VendorName);
        Assert.Equal("Frozen POC", afterFlag.PocName);
    }

    [Fact]
    public async Task FirstCompletedTransitionWithoutSiteStillCapturesAvailableSnapshot()
    {
        await using var context = CreateContext();
        var service = CreateService(context);
        var workOrder = new WorkOrder
        {
            Id = 1,
            InternalWONumber = "00000012345",
            SiteCode = "BK5",
            LifecycleStatus = LifecycleStatus.Scheduled,
            ScheduledDate = DateTime.UtcNow.Date.AddDays(1),
            RowVersion = Version()
        };
        context.Add(workOrder);
        await context.SaveChangesAsync();

        var completed = await service.PatchFieldAsync(
            workOrder.Id,
            Patch(WorkOrderBoardFieldNames.LifecycleStatus, "Complete", workOrder),
            "actor-1");
        var persisted = await context.workOrders.SingleAsync();

        Assert.Equal(LifecycleStatus.Completed, completed.LifecycleStatus);
        Assert.Equal("BK5", completed.FrozenSite?.Code);
        Assert.Equal("BK5", completed.FrozenSite?.Label);
        Assert.Null(completed.FrozenSite?.City);
        Assert.Null(completed.FrozenCompany);
        Assert.False(string.IsNullOrWhiteSpace(persisted.FrozenSite));
        Assert.Null(persisted.FrozenCompany);
    }

    [Fact]
    public async Task OpenWorkOrderProjectionKeepsUsingLiveLocation()
    {
        await using var context = CreateContext();
        var location = new Locations { Id = 10, Name = "Live Site", City = "Chicago" };
        var workOrder = new WorkOrder
        {
            Id = 1,
            SiteCode = "BK5",
            LocationId = location.Id,
            Locations = location,
            LifecycleStatus = LifecycleStatus.Scheduled,
            ScheduledDate = DateTime.UtcNow.Date.AddDays(1),
            FrozenSite = """{"code":"BK5","label":"Frozen Site","city":"Old City"}""",
            RowVersion = Version()
        };
        context.AddRange(location, workOrder);
        await context.SaveChangesAsync();

        var raw = await new WorkOrderBoardDataService(context).GetBoardRowByIdAsync(workOrder.Id);
        var dto = WorkOrderBoardService.MapRawRow(Assert.IsType<SeaHaven.DataServices.Interfaces.WorkOrderBoardRawRow>(raw), DateTime.UtcNow);

        Assert.Equal("Live Site", dto.LocationName);
        Assert.Null(dto.FrozenSite);
    }

    private static ApplicationDbContext CreateContext()
    {
        var options = new DbContextOptionsBuilder<ApplicationDbContext>()
            .UseInMemoryDatabase(Guid.NewGuid().ToString())
            .Options;
        return new ApplicationDbContext(options);
    }

    private static WorkOrderBoardUpdateService CreateService(ApplicationDbContext context)
    {
        var fieldLocks = new WorkOrderFieldLockService(new WorkOrderFieldLockDataService(context));
        return WorkOrderAccountTestHelpers.BoardUpdateService(
            context,
            new WorkOrderAuditService(new WorkOrderAuditDataService(context), fieldLocks));
    }

    private static WorkOrderBoardPatchRequestDto Patch(
        string field,
        string value,
        WorkOrder workOrder)
        => new()
        {
            Field = field,
            Value = value,
            WorkOrderVersion = Convert.ToBase64String(workOrder.RowVersion ?? Version())
        };

    private static byte[] Version() => new byte[] { 1, 0, 0, 0, 0, 0, 0, 1 };
}