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

namespace SeaHavenIndustries.Tests;

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

    [Theory]
    [InlineData("BK5", 1)]
    [InlineData("10000000001", 1)]
    [InlineData("HVAC Tech", 1)]
    [InlineData("Acme HVAC", 1)]
    [InlineData("sched", 1)]
    public async Task Apply_MatchesExpectedField(string search, int expectedId)
    {
        await using var context = CreateContext();
        await SeedSearchFixtures(context);

        var ids = await WorkOrderBoardSearchFilter
            .Apply(context.workOrders.AsQueryable(), search)
            .Select(w => w.Id)
            .ToListAsync();

        Assert.Contains(expectedId, ids);
    }

    [Fact]
    public void NormalizeSearch_IgnoresSingleCharacter()
    {
        Assert.Null(WorkOrderBoardSearchFilter.NormalizeSearch("a"));
        Assert.Null(WorkOrderBoardSearchFilter.NormalizeSearch(" "));
        Assert.Equal("ab", WorkOrderBoardSearchFilter.NormalizeSearch(" ab "));
    }

    [Fact]
    public async Task Apply_LifecycleLabel_MatchesScheduled()
    {
        await using var context = CreateContext();
        await SeedSearchFixtures(context);

        var ids = await WorkOrderBoardSearchFilter
            .Apply(context.workOrders.AsQueryable(), "scheduled")
            .Select(w => w.Id)
            .ToListAsync();

        Assert.Single(ids);
        Assert.Equal(1, ids[0]);
    }

    private static async Task SeedSearchFixtures(ApplicationDbContext context)
    {
        context.Vendors.Add(new Vendor
        {
            Id = 1,
            CompanyName = "Acme HVAC",
            ContactName = "HVAC Tech",
            Phone = "555-0100"
        });
        context.Dispatches.Add(new Dispatch { Id = 10, VendorId = 1 });
        context.workOrders.Add(new WorkOrder
        {
            Id = 1,
            SiteCode = "BK5",
            InternalWONumber = "10000000001",
            LifecycleStatus = LifecycleStatus.Scheduled,
            PrimaryDispatchId = 10
        });
        await context.SaveChangesAsync();
    }
}

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

    [Fact]
    public async Task GetBoardRows_SearchReducesScheduledAndKeepsTotal()
    {
        await using var context = CreateContext();
        var weekStart = new DateOnly(2026, 6, 22);

        context.workOrders.AddRange(
            new WorkOrder
            {
                Id = 1,
                SiteCode = "BK5",
                ScheduledDate = new DateTime(2026, 6, 23),
                LifecycleStatus = LifecycleStatus.Scheduled
            },
            new WorkOrder
            {
                Id = 2,
                SiteCode = "BK6",
                ScheduledDate = new DateTime(2026, 6, 24),
                LifecycleStatus = LifecycleStatus.Scheduled
            },
            new WorkOrder
            {
                Id = 3,
                SiteCode = "BK5",
                ScheduledDate = null,
                LifecycleStatus = LifecycleStatus.Incomplete
            });

        await context.SaveChangesAsync();

        var service = new WorkOrderBoardDataService(context);
        var result = await service.GetBoardRowsAsync(new SeaHaven.DataServices.Interfaces.WorkOrderBoardQuery(
            weekStart,
            weekStart.AddDays(4),
            null,
            false,
            null,
            "BK5",
            null));

        Assert.Equal(2, result.ScheduledTotalBeforeSearch);
        Assert.Single(result.ScheduledRows);
        Assert.Equal("BK5", result.ScheduledRows[0].SiteCode);
        Assert.Single(result.UnscheduledRows);
        Assert.Equal("BK5", result.UnscheduledRows[0].SiteCode);
    }
}

public class WorkOrderSearchDateRangeResolverTests
{
    [Fact]
    public void Resolve_ThisWeek_UsesIsoMonday()
    {
        var reference = new DateOnly(2026, 6, 24);
        var range = SeaHaven.Services.Helpers.WorkOrderSearchDateRangeResolver.Resolve(
            SeaHaven.Services.Helpers.WorkOrderAdvancedSearchDatePreset.ThisWeek,
            null,
            null,
            reference);

        Assert.Equal(new DateOnly(2026, 6, 22), range.From);
        Assert.Equal(new DateOnly(2026, 6, 28), range.To);
    }

    [Fact]
    public void Resolve_Custom_RequiresDates()
    {
        var ex = Assert.Throws<ArgumentException>(() =>
            SeaHaven.Services.Helpers.WorkOrderSearchDateRangeResolver.Resolve(
                SeaHaven.Services.Helpers.WorkOrderAdvancedSearchDatePreset.Custom,
                null,
                null));

        Assert.Contains("dateFrom", ex.Message);
    }
}

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

    [Fact]
    public async Task SearchAsync_FiltersBySiteAndPaginates()
    {
        await using var context = CreateContext();
        var weekStart = new DateOnly(2026, 6, 22);

        context.workOrders.AddRange(
            new WorkOrder
            {
                Id = 1,
                SiteCode = "BK5",
                ScheduledDate = new DateTime(2026, 6, 23),
                LifecycleStatus = LifecycleStatus.Scheduled,
                InternalWONumber = "10000000001"
            },
            new WorkOrder
            {
                Id = 2,
                SiteCode = "BK6",
                ScheduledDate = new DateTime(2026, 6, 24),
                LifecycleStatus = LifecycleStatus.Scheduled,
                InternalWONumber = "10000000002"
            });

        await context.SaveChangesAsync();

        var dataService = new WorkOrderAdvancedSearchDataService(context);
        var service = new SeaHaven.Services.Implementation.WorkOrderAdvancedSearchService(dataService);

        var result = await service.SearchAsync(new SeaHaven.Services.DTOs.WorkOrderAdvancedSearchQueryDto
        {
            DatePreset = SeaHaven.Services.Helpers.WorkOrderAdvancedSearchDatePreset.Custom,
            DateFrom = weekStart,
            DateTo = weekStart.AddDays(6),
            Sites = new List<string> { "BK5" },
            Page = 1,
            PageSize = 50
        }, null);

        Assert.Equal(1, result.TotalCount);
        Assert.Single(result.Items);
        Assert.Equal("BK5", result.Items.First().SiteCode);
    }

    [Fact]
    public async Task SearchAsync_ClampsPageSizeToMax()
    {
        await using var context = CreateContext();
        var dataService = new WorkOrderAdvancedSearchDataService(context);
        var service = new SeaHaven.Services.Implementation.WorkOrderAdvancedSearchService(dataService);

        var result = await service.SearchAsync(new SeaHaven.Services.DTOs.WorkOrderAdvancedSearchQueryDto
        {
            DatePreset = SeaHaven.Services.Helpers.WorkOrderAdvancedSearchDatePreset.ThisWeek,
            PageSize = 500
        }, null);

        Assert.Equal(100, result.PageSize);
    }
}