using System.Text.Json;

namespace KeywordsEverywhereClient.Tests;

[TestClass]
public class SerializationTests
{
    private string ValidResponseJson = """
        {
            "data": [
                {
                    "vol": 135000,
                    "cpc": {
                        "currency": "$",
                        "value": "1.14"
                    },
                    "keyword": "hello world",
                    "competition": 0.01,
                    "trend": [
                        {
                            "month": "July",
                            "year": 2023,
                            "value": 135000
                        },
                        {
                            "month": "August",
                            "year": 2024,
                            "value": 135001
                        }
                    ]
                }
            ],
            "credits": 399174,
            "time": 0.01
        }
        """;

    [TestMethod]
    public void CanDeserialize()
    {
        var result = JsonSerializer.Deserialize<GetKeywordDataResponse>(ValidResponseJson)
            ?? throw new InvalidOperationException("Success response is null.");

        Assert.AreEqual(1, result.Data.Count);
        Assert.AreEqual(399174, result.Credits);
        Assert.AreEqual(0.01, result.Time);

        var data = result.Data[0];

        Assert.AreEqual(135000, data.Volume);

        Assert.AreEqual("$", data.CostPerClick.Currency);
        Assert.AreEqual("1.14", data.CostPerClick.Value);

        Assert.AreEqual("hello world", data.Keyword);

        Assert.AreEqual(0.01, data.Competition);

        Assert.AreEqual(2, data.Trend.Count);

        Assert.AreEqual("July", data.Trend[0].Month);
        Assert.AreEqual(2023, data.Trend[0].Year);
        Assert.AreEqual(135000, data.Trend[0].Value);

        Assert.AreEqual("August", data.Trend[1].Month);
        Assert.AreEqual(2024, data.Trend[1].Year);
        Assert.AreEqual(135001, data.Trend[1].Value);
    }
}