using System.Net;
using System.Net.Http.Json;
using System.Text.Json;
using Microsoft.AspNetCore.Mvc.Testing;

namespace UnitTest;

public class ApiTests(WebApplicationFactory<Program> factory) : IClassFixture<WebApplicationFactory<Program>>
{
    private readonly HttpClient _client = factory.CreateClient();

    [Fact]
    public async Task Lists_generators()
    {
        var json = await _client.GetFromJsonAsync<JsonElement>("/api/v1/generators");
        Assert.Contains(json.EnumerateArray(), g => g.GetProperty("id").GetString() == "nif");
    }

    [Fact]
    public async Task Generates_batch_with_options()
    {
        var json = await _client.GetFromJsonAsync<JsonElement>("/api/v1/generators/nif/generate?count=25&tipo=5&seed=1");
        var items = json.GetProperty("items").EnumerateArray().ToList();
        Assert.Equal(25, items.Count);
        Assert.All(items, i => Assert.StartsWith("5", i.GetProperty("value").GetString()));
    }

    [Theory]
    [InlineData("/api/v1/generators/nif/generate?count=0")]
    [InlineData("/api/v1/generators/nif/generate?count=5000")]
    [InlineData("/api/v1/generators/nif/generate?tipo=xpto")]
    [InlineData("/api/v1/generators/nif/generate?desconhecida=1")]
    public async Task Bad_requests(string url)
    {
        var response = await _client.GetAsync(url);
        Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
    }

    [Fact]
    public async Task Unknown_generator_is_404()
    {
        var response = await _client.GetAsync("/api/v1/generators/xpto/generate");
        Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
    }

    [Fact]
    public async Task Validates_value()
    {
        var json = await _client.GetFromJsonAsync<JsonElement>("/api/v1/generators/nif/validate?value=123456789");
        Assert.True(json.GetProperty("isValid").GetBoolean());
    }

    [Fact]
    public async Task Detects_value()
    {
        var json = await _client.GetFromJsonAsync<JsonElement>("/api/v1/validate?value=" + Uri.EscapeDataString("PT50 0002 0123 1234 5678 9015 4"));
        Assert.Equal("iban", json.GetProperty("matches")[0].GetProperty("generatorId").GetString());
    }

    [Fact]
    public async Task OpenApi_and_health_are_exposed()
    {
        Assert.Equal(HttpStatusCode.OK, (await _client.GetAsync("/openapi/v1.json")).StatusCode);
        Assert.Equal(HttpStatusCode.OK, (await _client.GetAsync("/health")).StatusCode);
    }
}