using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Text.RegularExpressions;
using FitConnect.Encryption;
using FitConnect.Models;
using FluentAssertions;
using Microsoft.IdentityModel.Tokens;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Schema;
using NUnit.Framework;
using JsonSchema = NJsonSchema.JsonSchema;

namespace BasicUnitTest;

[TestFixture]
public class JsonSchemaValidation {
    [OneTimeSetUp]
    public void OneTimeSetUp() {
        var jsonItems = File.ReadAllLines("events.txt");
        _jsonData = jsonItems.Where(l => !l.StartsWith("#"))
            .Select(l => Base64UrlEncoder.Decode(l.Split('.')[1]))
            .ToList();

        var schemaResponse = new HttpClient()
            .GetAsync(
                "https://schema.fitko.de/fit-connect/set-payload/1.0.0/set-payload.schema.json")
            .Result;

        _schemaJson = schemaResponse.Content.ReadAsStringAsync().Result;
    }

    private List<string> _jsonData = null!;
    private string _schemaJson = null!;

    [Test]
    [Ignore("Package does not support this yet")]
    public void NJson_ShouldPass() {
        var schema = JsonSchema.FromJsonAsync(_schemaJson).Result;
        _jsonData.ForEach(l => schema.Validate(l));
    }

    [Test]
    public void JsonSchema_ShouldPass() {
        _jsonData.ForEach(l => {
            var jObject = JObject.Parse(l);
            var schema = JSchema.Parse(_schemaJson);
            var result = jObject.IsValid(schema);
            if (!result)
                Console.WriteLine(jObject.ToString());
            else Console.WriteLine("OK");

            result.Should().BeTrue();
        });
    }

    [Test]
    public void JsonSchema_ShouldFail() {
        var schema = JSchema.Parse(_schemaJson);
        JObject.Parse(
                "{\"sub\":\"submission:22a69c34-4ca4-43f7-a909-dcfe7f972c27\",\"$schema\":\"https://schema.fitko.de/fit-connect/set-payload/1.0.0/set-payload.schema.json\",\"iss\":\"https://submission-api-testing.fit-connect.fitko.dev\",\"txn\":\"case:5ef6d3c7-a9db-4b23-89a6-75f5011bd57a\",\"iat\":1661228799,\"jti\":\"c7ff0d9d-2caa-481d-b9ce-c6d4a1c6ee02\",\"event\":{\"https://schema.fitko.de/fit-connect/events/submit-submission\":{\"authenticationTags\":{\"data\":\"6hvHPpXSgRfeFAUWJRb5eQ\",\"metadata\":\"T_kVHCwoMCpg42c3CjeZAQ\",\"attachments\":{\"33b17890-2a86-47a4-8fb9-92befc782e13\":\"DxndA7vZAq_karEDRL31-Q\"}}}}}")
            .IsValid(schema).Should().BeFalse();
    }

    [Test]
    public void JsonSchemaOfMetadataInResourcesShouldMatchSchemaUriString() {
        var schema = JSchema.Parse(JsonHelper.LoadContentOfResource("metadata.schema.json"));
        schema.Id.Should().Be(Metadata.SchemaUrl);

        new Regex(Metadata.SchemaPattern).IsMatch(Metadata.SchemaUrl).Should().BeTrue();
    }
}