using Npgsql;

namespace Azaion.Missions.E2E.Fixtures;

/// <summary>
/// Creates the borrowed-schema stub tables (media, annotations, detection)
/// required by the cascade-delete fixtures. The migrator (<c>DatabaseMigrator</c>)
/// only owns the missions/vehicles/waypoints/map_objects tables; media,
/// annotations, and detection are owned by sibling services in production
/// (out of scope for this repo per
/// _docs/02_document/tests/environment.md). The cascade walk in
/// <c>MissionService.DeleteMission</c> still references them, so tests must
/// supply their schema via side-channel.
/// </summary>
/// <remarks>
/// Idempotent — every statement is <c>CREATE … IF NOT EXISTS</c>.
/// Column shapes match the LinqToDB entities (<c>Database/Entities/Media.cs</c>,
/// <c>Database/Entities/Annotation.cs</c>, <c>Database/Entities/Detection.cs</c>).
/// </remarks>
public static class StubSchema
{
    public static void EnsureCreated()
    {
        using var conn = new NpgsqlConnection(TestEnvironment.DbSideChannel);
        conn.Open();
        using var cmd = conn.CreateCommand();
        cmd.CommandText = """
            CREATE TABLE IF NOT EXISTS media (
                id TEXT PRIMARY KEY,
                waypoint_id UUID
            );

            CREATE TABLE IF NOT EXISTS annotations (
                id TEXT PRIMARY KEY,
                media_id TEXT NOT NULL
            );

            CREATE TABLE IF NOT EXISTS detection (
                id UUID PRIMARY KEY,
                annotation_id TEXT NOT NULL
            );
            """;
        cmd.ExecuteNonQuery();
    }
}