using Microsoft.Extensions.Logging.Abstractions;
using StellaOps.Notifier.Tests.Support;
using StellaOps.Notifier.WebService.Setup;
using Xunit;

namespace StellaOps.Notifier.Tests;

public sealed class PackApprovalTemplateSeederTests
{
    [Fact]
    public async Task SeedAsync_loads_templates_from_docs()
    {
        var templateRepo = new InMemoryTemplateRepository();
        var channelRepo = new InMemoryChannelRepository();
        var ruleRepo = new InMemoryRuleRepository();
        var logger = NullLogger<PackApprovalTemplateSeeder>.Instance;

        var contentRoot = LocateRepoRoot();

        var count = await PackApprovalTemplateSeeder.SeedTemplatesAsync(
            templateRepo,
            contentRoot,
            logger,
            cancellationToken: TestContext.Current.CancellationToken);
        var routed = await PackApprovalTemplateSeeder.SeedRoutingAsync(
            channelRepo,
            ruleRepo,
            logger,
            cancellationToken: TestContext.Current.CancellationToken);

        Assert.True(count >= 2, "Expected at least two templates to be seeded.");
        Assert.Equal(3, routed);

        var templates = await templateRepo.ListAsync("tenant-sample", TestContext.Current.CancellationToken);
        Assert.Contains(templates, t => t.TemplateId == "tmpl-pack-approval-slack-en");
        Assert.Contains(templates, t => t.TemplateId == "tmpl-pack-approval-email-en");

        var channels = await channelRepo.ListAsync("tenant-sample", cancellationToken: TestContext.Current.CancellationToken);
        Assert.Contains(channels, c => c.ChannelId == "chn-pack-approvals-slack");
        Assert.Contains(channels, c => c.ChannelId == "chn-pack-approvals-email");

        var rules = await ruleRepo.ListAsync("tenant-sample", TestContext.Current.CancellationToken);
        Assert.Contains(rules, r => r.RuleId == "rule-pack-approvals-default");
    }

    private static string LocateRepoRoot()
    {
        var directory = AppContext.BaseDirectory;
        while (directory != null)
        {
            if (File.Exists(Path.Combine(directory, "StellaOps.sln")) ||
                File.Exists(Path.Combine(directory, "StellaOps.Notifier.sln")))
            {
                return directory;
            }

            directory = Directory.GetParent(directory)?.FullName;
        }

        throw new InvalidOperationException("Unable to locate repository root.");
    }
}