using Sdt.Config;
using Sdt.Core;
using Xunit;

namespace DevTool.Tests;

public sealed class EnvProfileServiceTests
{
    [Fact]
    public void ResolveEffectiveEnv_MergesInheritedProfiles_Deterministically()
    {
        var config = new DevToolConfig
        {
            EnvProfiles = new EnvProfilesConfig
            {
                Active = "dev",
                Profiles =
                [
                    new EnvProfileDefinition
                    {
                        Id = "base",
                        Values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
                        {
                            ["A"] = "1",
                            ["B"] = "base",
                        }
                    },
                    new EnvProfileDefinition
                    {
                        Id = "dev",
                        Inherits = ["base"],
                        Values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
                        {
                            ["B"] = "dev",
                            ["C"] = "3",
                        }
                    },
                    new EnvProfileDefinition
                    {
                        Id = "ci",
                        Inherits = ["dev"],
                        Values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
                        {
                            ["C"] = "ci",
                            ["D"] = "4",
                        }
                    }
                ]
            }
        };

        var env = EnvProfileService.ResolveEffectiveEnv(config, "ci");
        Assert.Equal("1", env["A"]);
        Assert.Equal("dev", env["B"]);
        Assert.Equal("ci", env["C"]);
        Assert.Equal("4", env["D"]);
    }

    [Fact]
    public void ResolveEffectiveEnv_UnknownProfile_ReturnsEmpty()
    {
        var config = new DevToolConfig
        {
            EnvProfiles = new EnvProfilesConfig
            {
                Active = "dev",
                Profiles = [new EnvProfileDefinition { Id = "dev" }]
            }
        };

        var env = EnvProfileService.ResolveEffectiveEnv(config, "missing");
        Assert.Empty(env);
    }
}