using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
using HotUpdate.UI;
using TMPro;
using UnityEditor;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

/// <summary>Confirms the camp painting has a walking placeholder and speech only after a tap.</summary>
public static class VerifyHomeExplorer
{
    static async Task Until(Func<bool> condition, int seconds = 20)
    {
        var end = DateTime.UtcNow.AddSeconds(seconds);
        while (!condition())
        {
            if (DateTime.UtcNow >= end) throw new Exception("Home explorer timed out");
            await Task.Delay(100);
        }
    }

    public static async Task<string> Play()
    {
        if (!EditorApplication.isPlaying) throw new Exception("Enter Play Mode first");
        HomeExplorerPresenter presenter = null;
        await Until(() => (presenter = UnityEngine.Object.FindObjectOfType<HomeExplorerPresenter>()) != null && presenter.Ready);
        if (presenter.Talking) throw new Exception("Speech was visible before a tap: " + presenter.Line);
        var greeting = presenter.transform.parent.Find("Layout_Sides/Panel_Greeting");
        if (greeting != null && greeting.gameObject.activeSelf) throw new Exception("Static greeting is still visible");
        float x = presenter.transform.parent.Find("Btn_Explorer").position.x;
        await Task.Delay(900);
        float moved = presenter.transform.parent.Find("Btn_Explorer").position.x;
        if (Mathf.Abs(moved - x) < 1f) throw new Exception("Explorer did not move: " + x + " -> " + moved);
        await Capture("walk");
        var button = GameObject.Find("Btn_Explorer").GetComponent<Button>();
        button.onClick.Invoke();
        await Task.Delay(200);
        if (!presenter.Talking) throw new Exception("Tap did not open speech");
        string line = presenter.Line;
        if (string.IsNullOrEmpty(line)) throw new Exception("Speech was empty");
        await Capture("talk");
        button.onClick.Invoke();
        await Task.Delay(100);
        if (presenter.Line == line) throw new Exception("Second tap repeated the same line");
        return "PASS explorer walks and speaks only after a tap: " + line;
    }

    static async Task Capture(string name)
    {
        await Task.Delay(150);
        var type = AppDomain.CurrentDomain.GetAssemblies().Select(a => a.GetType("Unity.Pipeline.Editor.Commands.Capture.CaptureCommands")).First(t => t != null);
        type.GetMethod("CaptureGameView", BindingFlags.Public | BindingFlags.Static).Invoke(null, new object[] { 1080, 1920, null, "Screenshots/home_explorer_" + name + ".png", false, 0, "screen" });
    }
}