using System.IO;
using NUnit.Framework;
using TMPro;
using UnityEditor;
using UnityEngine;
using XGame.EditorTools;

public sealed class JsonUIPrefabBuilderInputFieldTests
{
    private const string JsonPath = "../Temp/UIGenTests/UI_TMPInputTest.json";
    private const string PrefabPath = "Assets/Temp/UIGenTests/UI_TMPInputTest.prefab";

    [TearDown]
    public void TearDown()
    {
        AssetDatabase.DeleteAsset(PrefabPath);
        AssetDatabase.DeleteAsset("Assets/Temp/UIGenTests");
        string fullJsonPath = Path.GetFullPath(Path.Combine(Application.dataPath, JsonPath));
        if (File.Exists(fullJsonPath))
        {
            File.Delete(fullJsonPath);
        }
    }

    [Test]
    public void BuildFromJsonFile_CreatesAndBindsTmpInputField()
    {
        string fullJsonPath = WriteJson();

        string outputPath = JsonUIPrefabBuilder.BuildFromJsonFile(fullJsonPath);

        Assert.That(outputPath, Is.EqualTo(PrefabPath));
        GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(PrefabPath);
        Assert.That(prefab, Is.Not.Null);

        Transform inputTransform = prefab.transform.Find("InputHitArea");
        Assert.That(inputTransform, Is.Not.Null);
        TMP_InputField input = inputTransform.GetComponent<TMP_InputField>();
        Assert.That(input, Is.Not.Null);
        Assert.That(inputTransform.gameObject.layer, Is.EqualTo(LayerMask.NameToLayer("UI")));
        Assert.That(input.textComponent, Is.Not.Null);
        Assert.That(input.textComponent.name, Is.EqualTo("Txt_InputValue"));
        Assert.That(input.placeholder, Is.Not.Null);
        Assert.That(input.placeholder.name, Is.EqualTo("Txt_InputPlaceholder"));
        Assert.That(input.characterLimit, Is.EqualTo(140));
        Assert.That(input.lineType, Is.EqualTo(TMP_InputField.LineType.SingleLine));
    }

    private static string WriteJson()
    {
        string fullJsonPath = Path.GetFullPath(Path.Combine(Application.dataPath, JsonPath));
        Directory.CreateDirectory(Path.GetDirectoryName(fullJsonPath));
        File.WriteAllText(fullJsonPath, @"{
  ""schemaVersion"": 1,
  ""prefabName"": ""UI_TMPInputTest"",
  ""prefabPath"": ""Assets/Temp/UIGenTests/UI_TMPInputTest.prefab"",
  ""description"": ""TMP input field test."",
  ""canvas"": {
    ""canvasScaler"": {
      ""referenceResolution"": [2048, 1024],
      ""matchWidthOrHeight"": 0.5
    }
  },
  ""assets"": {
    ""sprites"": {}
  },
  ""nodes"": [
    {
      ""name"": ""UI_TMPInputTest"",
      ""parent"": null,
      ""active"": true,
      ""rect"": {
        ""anchorMin"": [0, 0],
        ""anchorMax"": [1, 1],
        ""offsetMin"": [0, 0],
        ""offsetMax"": [0, 0]
      },
      ""components"": []
    },
    {
      ""name"": ""InputHitArea"",
      ""parent"": ""UI_TMPInputTest"",
      ""active"": true,
      ""rect"": {
        ""anchorMin"": [0.5, 0.5],
        ""anchorMax"": [0.5, 0.5],
        ""pivot"": [0.5, 0.5],
        ""anchoredPosition"": [0, 0],
        ""sizeDelta"": [520, 80]
      },
      ""components"": [
        {
          ""type"": ""Image"",
          ""imageType"": ""Sliced"",
          ""raycastTarget"": true,
          ""color"": ""#FFFFFFFF""
        },
        {
          ""type"": ""TMP_InputField"",
          ""textComponent"": ""Txt_InputValue"",
          ""placeholderComponent"": ""Txt_InputPlaceholder"",
          ""placeholder"": ""输入内容..."",
          ""characterLimit"": 140,
          ""lineType"": ""SingleLine"",
          ""contentType"": ""Standard""
        }
      ]
    },
    {
      ""name"": ""Txt_InputPlaceholder"",
      ""parent"": ""InputHitArea"",
      ""active"": true,
      ""rect"": {
        ""anchorMin"": [0, 0],
        ""anchorMax"": [1, 1],
        ""offsetMin"": [24, 0],
        ""offsetMax"": [-24, 0]
      },
      ""components"": [
        {
          ""type"": ""TextMeshProUGUI"",
          ""text"": ""输入内容..."",
          ""fontSize"": 28,
          ""alignment"": ""Left"",
          ""color"": ""#7A8DA1FF"",
          ""raycastTarget"": false
        }
      ]
    },
    {
      ""name"": ""Txt_InputValue"",
      ""parent"": ""InputHitArea"",
      ""active"": true,
      ""rect"": {
        ""anchorMin"": [0, 0],
        ""anchorMax"": [1, 1],
        ""offsetMin"": [24, 0],
        ""offsetMax"": [-24, 0]
      },
      ""components"": [
        {
          ""type"": ""TextMeshProUGUI"",
          ""text"": """",
          ""fontSize"": 28,
          ""alignment"": ""Left"",
          ""color"": ""#23384CFF"",
          ""raycastTarget"": false
        }
      ]
    }
  ],
  ""bindings"": [],
  ""events"": []
}");
        return fullJsonPath;
    }
}