using UnityEngine;
using UnityEngine.UI;

namespace InterfaceOff
{
    [System.Serializable] public struct TriviaQuestion
    {
        /* Disables name warnings because of JSON serialization */
        
        // ReSharper disable once InconsistentNaming
        public string question;
        
        // ReSharper disable once InconsistentNaming
        public string[] choices;
        
        // ReSharper disable once InconsistentNaming
        public string answer;
    }

    [System.Serializable] public struct TriviaSet
    {
        /* Disables name warnings because of JSON serialization */
        
        // ReSharper disable once InconsistentNaming
        public TriviaQuestion[] questions;
    }

    public class TriviaWindow : WindowBase
    {
      private const string DUMP = @"{
  ""questions"": [
    {
      ""question"": ""2 + 2 ="",
      ""choices"": [
        ""3"",
        ""4"",
        ""5"",
        ""6""
      ],
      ""answer"": ""4""
    },
    {
      ""question"": ""How many sides does an octagon have?"",
      ""choices"": [
        ""45"",
        ""8"",
        ""4"",
        ""5""
      ],
      ""answer"": ""8""
    },
    {
      ""question"": ""How many stripes are on the US Flag?"",
      ""choices"": [
        ""0"",
        ""12"",
        ""13"",
        ""14""
      ],
      ""answer"": ""13""
    },
    {
      ""question"": ""What city do The Beatles come from?"",
      ""choices"": [
        ""London"",
        ""Manchester"",
        ""Liverpool"",
        ""Bristol""
      ],
      ""answer"": ""Liverpool""
    },
    {
      ""question"": ""Who is the Roman God of love?"",
      ""choices"": [
        ""Athena"",
        ""Zeus"",
        ""Cupid"",
        ""Hermes""
      ],
      ""answer"": ""Cupid""
    },
    {
      ""question"": ""What is the largest lake in Scotland?"",
      ""choices"": [
        ""Michigan"",
        ""Loch Lomond"",
        ""Lake Superior"",
        ""Loot Lake""
      ],
      ""answer"": ""Loch Lomond""
    },
    {
      ""question"": ""What is the capital of Peru?"",
      ""choices"": [
        ""Lima"",
        ""Argentina"",
        ""Mozambique"",
        ""Mozart""
      ],
      ""answer"": ""Lima""
    },
    {
      ""question"": ""How many Queens have ruled France?"",
      ""choices"": [
        ""53 1/2"",
        ""Unknown"",
        ""None"",
        ""1""
      ],
      ""answer"": ""None""
    },
    {
      ""question"": ""What colour is a banana?"",
      ""choices"": [
        ""Yellow"",
        ""Chimera"",
        ""Green"",
        ""Purple""
      ],
      ""answer"":""Yellow""
    },
    {
      ""question"": ""How many oceans are there?"",
      ""choices"": [
        ""None"",
        ""Three"",
        ""Disputed"",
        ""Twenty-two""
      ],
      ""answer"": ""Disputed""
    },
    {
      ""question"": ""What colour is grass?"",
      ""choices"": [
        ""Banana"",
        ""Purple"",
        ""Green"",
        ""Sky Blue""
      ],
      ""answer"": ""Green""
    },
    {
      ""question"": ""What number is after 8?"",
      ""choices"": [
        ""69"",
        ""9"",
        ""0b0001101"",
        ""7""
      ],
      ""answer"": ""9""
    },
    {
      ""question"": ""Main Ingredient of Bread?"",
      ""choices"": [
        ""Flour / Wheat"",
        ""Uranium"",
        ""Cyanide"",
        ""Ricin""
      ],
      ""answer"": ""Flour""
    },
    {
      ""question"": ""How many pyramids are there in Egypt?"",
      ""choices"": [
        ""None they are all a lie"",
        ""138"",
        ""420"",
        ""Over 9000!!!!""
      ],
      ""answer"": ""138""
    },
    {
      ""question"": ""How many eyes do a Hornet have?"",
      ""choices"": [
        ""5"",
        ""No Eyes"",
        ""21"",
        ""8""
      ],
      ""answer"": ""5""
    },
    {
      ""question"": ""What kind of drink is soda?"",
      ""choices"": [
        ""Undrinkable"",
        ""Lave"",
        ""Soft Drink"",
        ""Food""
      ],
      ""answer"": ""Soft Drink""
    }
  ]
}
";
        
        private static TriviaSet Trivia;

        private static Vector2[] Positions { get; } =
        {
            new(-110, 30f),
            new(110f, 30f),
            new(-110, -60),
            new(110f, -60)
        };
        
        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
        private static void LoadTriviaSet()
        {
            Trivia = JsonUtility.FromJson<TriviaSet>(DUMP);
        }

        protected override void OnWindowInstantiation()
        {
            /* Destroys the Window Close button to stop accidental clicking */
            Destroy(Components.CloseButtonRectTransform.gameObject);
            
            /* Fetches a random question and sets it as the title */
            TriviaQuestion question = Trivia.questions[Random.Range(0, Trivia.questions.Length)];
            Components.InfoText.text = question.question;
            Components.SetWidth(500); // Larger width is needed for this component that others
            
            /* Adds the answer boxes */
            for (int i = 0; i < 4; i++)
            {
                /* Creates the gameobject and fetches the needed components */
                GameObject go = Instantiate(PrefabRegistry.Instance.TextButtonPrefab, transform);
                Text text = go.GetComponentInChildren<Text>();
                Button button = go.GetComponent<Button>();
                
                /* Assigns needed info to the components */
                text.text = question.choices[i];

                RectTransform buttonTransform = button.GetComponent<RectTransform>();
                buttonTransform.anchoredPosition = Positions[i];
                buttonTransform.sizeDelta = new Vector2(200, 60);
                
                /* Adds a lambda function to the button press to detect answers */
                bool isCorrectButton = string.Equals(question.choices[i], question.answer);
                button.onClick.AddListener(() =>
                {
                    if (isCorrectButton)
                    {
                        DestroyWindow();
                    }
                });
            }
        }

        public override void OnWindowCloseButtonClicked() { }
    }
}