using System.Security.Claims;
using Data.SeaHavenIndustries;
using FluentAssertions;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Implementation;
using SeaHaven.Services.Exceptions;
using SeaHaven.Services.Helpers;
using SeaHaven.Services.Implementation;
using Xunit;

namespace Api.SeaHavenIndustries.Tests;

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

    private static DashboardService NewService(ApplicationDbContext ctx)
    {
        var resolver = new WorkOrderAccountResolver(
            new AccountDataService(ctx),
            new LocationDataService(ctx));
        return new DashboardService(new DashboardDataService(ctx), resolver);
    }

    private static ClaimsPrincipal AccountUser(int accountId)
    {
        var claims = new[]
        {
            new Claim(SeaHavenClaimTypes.AccountId, accountId.ToString()),
            new Claim(ClaimTypes.Role, "Dispatcher")
        };
        return new ClaimsPrincipal(new ClaimsIdentity(claims, "test"));
    }

    private static ClaimsPrincipal OrgWideUser()
    {
        var claims = new[]
        {
            new Claim(SeaHavenClaimTypes.OrgScope, SeaHavenClaimTypes.OrgScopeAll),
            new Claim(ClaimTypes.Role, "Admin")
        };
        return new ClaimsPrincipal(new ClaimsIdentity(claims, "test"));
    }

    [Fact]
    public async Task GetStatsAsync_CountsByStatusExcludingTemplates()
    {
        using var ctx = NewContext();
        ctx.workOrders.AddRange(
            new WorkOrder { AccountId = 1, Status = "Open", istemplate = false },
            new WorkOrder { AccountId = 1, Status = "Open", istemplate = false, AssignTo = "u1" },
            new WorkOrder { AccountId = 1, Status = "In Progress" },
            new WorkOrder { AccountId = 1, Status = "On Hold" },
            new WorkOrder { AccountId = 1, Status = "Done" },
            new WorkOrder { AccountId = 1, Status = "Done" },
            new WorkOrder { AccountId = 1, Status = "Open", istemplate = true },
            new WorkOrder { AccountId = 1, Status = "Cancelled" },
            new WorkOrder { AccountId = 2, Status = "Open" },
            new WorkOrder { Status = "Open" }
        );
        ctx.SaveChanges();

        var stats = await NewService(ctx).GetStatsAsync(AccountUser(1), CancellationToken.None);

        stats.Total.Should().Be(7);
        stats.Open.Should().Be(4);
        stats.NotDispatched.Should().Be(1);
        stats.Completed.Should().Be(2);
    }

    [Fact]
    public async Task GetStatsAsync_OrgWideUserSeesAllNonTemplateOrders()
    {
        using var ctx = NewContext();
        ctx.workOrders.AddRange(
            new WorkOrder { AccountId = 1, Status = "Open" },
            new WorkOrder { AccountId = 2, Status = "Done" },
            new WorkOrder { Status = "Open", istemplate = true });
        ctx.SaveChanges();

        var stats = await NewService(ctx).GetStatsAsync(OrgWideUser(), CancellationToken.None);

        stats.Total.Should().Be(2);
        stats.Open.Should().Be(1);
        stats.Completed.Should().Be(1);
    }

    [Fact]
    public async Task GetStatsAsync_MissingScopeFailsClosed()
    {
        using var ctx = NewContext();
        var user = new ClaimsPrincipal(new ClaimsIdentity(new[]
        {
            new Claim(ClaimTypes.Role, "Dispatcher")
        }, "test"));

        var act = () => NewService(ctx).GetStatsAsync(user, CancellationToken.None);

        var exception = await act.Should().ThrowAsync<WorkOrderBoardValidationException>();

        exception.Which.Code.Should().Be("Forbidden");
    }
}