using System;
using Cysharp.Threading.Tasks;
using UnityEngine.UIElements;

namespace DanieleMarotta.RiversongCodeShowcase
{
    [UIView("demo-panel")]
    public class DemoPanelUIView : UIView
    {
        private Button _closeButton;

        private Button _feedbackButton;

        private Label _populationLabel;

        private Label _gameTimeLabel;

        public event Action FeedbackButtonClick;

        public override UniTask InitializeAsync(UIService uiService, VisualElement rootElement)
        {
            base.InitializeAsync(uiService, rootElement);

            _populationLabel = rootElement.Q<Label>(className: "demo-panel__population");
            _gameTimeLabel = rootElement.Q<Label>(className: "demo-panel__game-time");

            _feedbackButton = rootElement.Q<Button>(className: "demo-panel__feedback-button");
            _feedbackButton.RegisterCallbackOnce<ClickEvent>(_ => FeedbackButtonClick?.Invoke());

            _closeButton = rootElement.Q<Button>(className: "demo-panel__close-button");
            _closeButton.RegisterCallbackOnce<ClickEvent>(_ => Show(false, true));

            Show(false);

            return UniTask.CompletedTask;
        }

        public void OnDemoCompleted(int population, float gameTime)
        {
            FormatPanel(population, gameTime);
            Show(true, true);
        }

        private void FormatPanel(int population, float gameTime)
        {
            _populationLabel.text = string.Format(_populationLabel.text, population);
            _gameTimeLabel.text = string.Format(_gameTimeLabel.text, MakeGameTimeString(gameTime));
        }

        private string MakeGameTimeString(float gameTime)
        {
            var formatHelper = UIService.TextFormatHelper;

            var totalSeconds = (int)gameTime;
            var totalMinutes = totalSeconds / 60;
            var hours = totalMinutes / 60;
            var minutes = totalMinutes % 60;

            return hours > 0
                ? $"{hours} {formatHelper.Pluralize(hours, "hour", "hours")} {minutes} {formatHelper.Pluralize(minutes, "minute", "minutes")}"
                : $"{minutes} {formatHelper.Pluralize(minutes, "minute", "minutes")}";
        }
    }
}