using System;
using System.Collections;
using System.Globalization;
using System.IO;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace Luneraria.View.Tests
{
    static class PlayModeSupport
    {
        public const string Scene = "G1_Map";

        public static string Root { get { return Path.GetDirectoryName(Application.dataPath); } }

        /// <summary>
        /// Evidence folder of a run: docs/port/&lt;kind&gt;/&lt;milestone&gt;. LUNE_EVIDENCE replaces the milestone
        /// name, so a later run (u2a-batch) keeps the milestone's records.
        /// </summary>
        public static string Evidence(string kind, string milestone)
        {
            string name = Environment.GetEnvironmentVariable("LUNE_EVIDENCE");
            return Path.Combine(Root, "docs/port", kind, string.IsNullOrEmpty(name) ? milestone : name);
        }

        /// <summary>The G1 scene with its match running at once, without the start screen (U4).</summary>
        public static IEnumerator Load()
        {
            LuneMatchDriver.DirectStart = true;
            AsyncOperation loading = SceneManager.LoadSceneAsync(Scene, LoadSceneMode.Single);
            while (!loading.isDone)
                yield return null;
            yield return null;
        }

        public static string Number(double value)
        {
            return value.ToString("0.###", CultureInfo.InvariantCulture);
        }
    }
}