using System.Net;
using System.Text.Json;

namespace Tiku.IntegrationTests.Api;

public sealed class OpenApiDocumentationTests
{
    [Fact]
    public async Task Openapi_includes_request_schema_property_descriptions()
    {
        await using var factory = new ApiTestFactory();
        using var client = factory.CreateClient();

        using var response = await client.GetAsync("/openapi/v1.json");
        var document = JsonDocument.Parse(await response.Content.ReadAsStringAsync());

        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Contains(
            "租户 ID",
            GetSchemaPropertyDescription(document, "PasswordLoginDto", "tenantId"),
            StringComparison.Ordinal);
        Assert.Contains(
            "手机号",
            GetSchemaPropertyDescription(document, "PasswordLoginDto", "phone"),
            StringComparison.Ordinal);
        Assert.Contains(
            "refresh token",
            GetSchemaPropertyDescription(document, "RefreshSessionDto", "refreshToken"),
            StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public async Task Openapi_includes_response_schema_property_descriptions()
    {
        await using var factory = new ApiTestFactory();
        using var client = factory.CreateClient();

        using var response = await client.GetAsync("/openapi/v1.json");
        var document = JsonDocument.Parse(await response.Content.ReadAsStringAsync());

        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
        Assert.Contains(
            "access token",
            GetSchemaPropertyDescription(document, "AuthTokenPair", "accessToken"),
            StringComparison.OrdinalIgnoreCase);
        Assert.Contains(
            "租户名称",
            GetSchemaPropertyDescription(document, "PublicTenantDto", "name"),
            StringComparison.Ordinal);
    }

    private static string GetSchemaPropertyDescription(
        JsonDocument document,
        string schemaName,
        string propertyName)
    {
        return document
            .RootElement
            .GetProperty("components")
            .GetProperty("schemas")
            .GetProperty(schemaName)
            .GetProperty("properties")
            .GetProperty(propertyName)
            .GetProperty("description")
            .GetString() ?? string.Empty;
    }
}