using Pine;
using UnityEngine;

namespace PineDocs.Examples
{
    public static class PineBindings
    {
        public static View Create()
        {
            var score = P.Source(0);
            var level = P.Source(1);
            var rank = P.Derive(() => score.Value >= 30 ? "Explorer" : "Beginner");
            return P.Vertical(
                spacing: 8,
                childControlWidth: true,
                childControlHeight: true,
                childForceExpandHeight: false,
                sizeDelta: new Vector2(520, 300),
                children: new[]
                {
                    P.Text(
                        () => $"Level {level.Value} | Score {score.Value}",
                        children: new[] { P.LayoutElement(preferredHeight: 40) }
                    ),
                    P.Text(
                        rank,
                        color: new Value<Color>(() =>
                            score.Value >= 30 ? Color.green : Color.white
                        ),
                        children: new[] { P.LayoutElement(preferredHeight: 40) }
                    ),
                    P.Button(
                        "Gain 10 points",
                        onClick: () => score.Value += 10,
                        children: new[] { P.LayoutElement(preferredHeight: 40) }
                    ),
                    P.Button(
                        "Advance level",
                        onClick: () =>
                            P.Batch(() =>
                            {
                                level.Value++;
                                score.Value = 0;
                            }),
                        children: new[] { P.LayoutElement(preferredHeight: 40) }
                    ),
                    P.Button(
                        "Reset",
                        interactable: new Value<bool>(() => score.Value != 0 || level.Value != 1),
                        onClick: () =>
                            P.Batch(() =>
                            {
                                score.Value = 0;
                                level.Value = 1;
                            }),
                        children: new[] { P.LayoutElement(preferredHeight: 40) }
                    ),
                }
            );
        }
    }
}