using Campaign_Tracker.Server.Municipalities;

namespace Campaign_Tracker.Server.Tests;

public sealed class MunicipalityContactRepositoryTests
{
    private static readonly DateTimeOffset FixedNow =
        new(2026, 5, 7, 12, 0, 0, TimeSpan.Zero);

    private static InMemoryMunicipalityContactRepository BuildSut() =>
        new(new FakeTimeProvider(FixedNow));

    [Fact]
    public async Task AddAsync_WithPrimaryContact_SavesExtensionContact_AC1()
    {
        var sut = BuildSut();

        var result = await sut.AddAsync(
            "profile-1",
            "Primary",
            "Ada Clerk",
            "Town Clerk",
            "555-0100",
            "ada@example.test",
            "actor@example.test");

        Assert.True(result.Saved);
        Assert.NotNull(result.Contact);
        Assert.Equal("Primary", result.Contact.ContactType);
        Assert.Equal("Ada Clerk", result.Contact.Name);
        Assert.Equal("Town Clerk", result.Contact.RoleTitle);
        Assert.Equal("555-0100", result.Contact.Phone);
        Assert.Equal("ada@example.test", result.Contact.Email);
        Assert.Equal("actor@example.test", result.Contact.UpdatedBy);
        Assert.Equal(FixedNow, result.Contact.UpdatedAt);
    }

    [Fact]
    public async Task GetByProfileIdAsync_ReturnsPrimaryBeforeSecondaryWithLabels_AC2()
    {
        var sut = BuildSut();
        await sut.AddAsync("profile-1", "Secondary", "Backup Clerk", null, null, null, "actor");
        await sut.AddAsync("profile-1", "Primary", "Main Clerk", null, null, null, "actor");

        var contacts = await sut.GetByProfileIdAsync("profile-1");

        Assert.Collection(contacts,
            primary =>
            {
                Assert.Equal("Primary", primary.ContactType);
                Assert.Equal("Main Clerk", primary.Name);
            },
            secondary =>
            {
                Assert.Equal("Secondary", secondary.ContactType);
                Assert.Equal("Backup Clerk", secondary.Name);
            });
    }

    [Fact]
    public async Task UpdateAsync_ChangesContactAndCapturesActor_AC3()
    {
        var sut = BuildSut();
        var created = await sut.AddAsync("profile-1", "Primary", "Old", null, null, null, "creator");

        var updated = await sut.UpdateAsync(
            created.Contact!.ContactId,
            "Secondary",
            "New",
            "Manager",
            "555-0101",
            "new@example.test",
            "updater@example.test");

        Assert.True(updated.Saved);
        Assert.Equal("Secondary", updated.Contact!.ContactType);
        Assert.Equal("New", updated.Contact.Name);
        Assert.Equal("updater@example.test", updated.Contact.UpdatedBy);
        Assert.Equal(FixedNow, updated.Contact.UpdatedAt);
    }

    [Fact]
    public async Task SoftDeleteAsync_RemovesContactFromCurrentView_AC3()
    {
        var sut = BuildSut();
        var created = await sut.AddAsync("profile-1", "Primary", "Ada", null, null, null, "actor");

        var deleted = await sut.SoftDeleteAsync(created.Contact!.ContactId, "deleter@example.test");
        var contacts = await sut.GetByProfileIdAsync("profile-1");

        Assert.True(deleted.Saved);
        Assert.Empty(contacts);
    }

    [Theory]
    [InlineData("", "Primary", "Name is required.")]
    [InlineData("Ada", "", "Contact type is required.")]
    [InlineData("Ada", "Emergency", "Contact type must be Primary or Secondary.")]
    public async Task AddAsync_InvalidRequiredFields_ReturnsFailure_AC4(
        string name,
        string contactType,
        string expectedError)
    {
        var sut = BuildSut();

        var result = await sut.AddAsync("profile-1", contactType, name, null, null, null, "actor");

        Assert.False(result.Saved);
        Assert.Equal(expectedError, result.Error);
    }

    private sealed class FakeTimeProvider(DateTimeOffset utcNow) : TimeProvider
    {
        public override DateTimeOffset GetUtcNow() => utcNow;
    }
}