using SQLInsight.Rules.Engine;

namespace SQLInsight.Rules.Tests;

public class RuleCatalogTests
{
    [Fact]
    public void Every_rule_has_a_unique_well_formed_id()
    {
        var rules = BuiltInRules.Create();

        Assert.Equal(rules.Count, rules.Select(r => r.Id).Distinct(StringComparer.OrdinalIgnoreCase).Count());
        Assert.All(rules, r => Assert.Matches("^SQLI-[A-Z]+-[0-9]{3}$", r.Id));
        Assert.All(rules, r => Assert.False(string.IsNullOrWhiteSpace(r.Title)));
    }

    /// <summary>Keeps the rule count in the README honest.</summary>
    [Fact]
    public void Rule_count()
    {
        Assert.Equal(92, BuiltInRules.Create().Count);
        Assert.Equal(13, Servers.WindowsServerRules.Create().Count);
        Assert.Equal(3, Servers.SyntheticCheckRules.Create().Count);
        Assert.Equal(108, BuiltInRules.Create().Count + Servers.ServerRuleCatalog.All.Count);
    }

    [Fact]
    public void Server_and_check_rules_have_unique_ids_that_no_instance_rule_has()
    {
        var ids = BuiltInRules.Create().Select(r => r.Id).Concat(Servers.ServerRuleCatalog.All.Select(r => r.Id)).ToList();

        Assert.Equal(ids.Count, ids.Distinct(StringComparer.OrdinalIgnoreCase).Count());
        Assert.All(Servers.ServerRuleCatalog.All, r => Assert.Matches("^SQLI-(WIN|SYN)-[0-9]{3}$", r.Id));
        Assert.All(Servers.ServerRuleCatalog.All, r => Assert.False(string.IsNullOrWhiteSpace(r.Title)));
    }
}