using System.Net.Http.Json;
using System.Text.Json;
using System.Text.Json.Nodes;

namespace HrynCo.NotificationService.Web.IntegrationTests;

public sealed class DefinitionApiTestContext : IAsyncDisposable
{
    public required TemplateWebApplicationFactory App { get; init; }
    public required HttpClient Client { get; init; }
    public required Guid ServiceId { get; init; }
    public string ServiceRoot => $"/api/v1/services/{ServiceId}";

    public static async Task<DefinitionApiTestContext> CreateAsync(TemplateDatabaseFixture fixture)
    {
        var app = new TemplateWebApplicationFactory(await fixture.CreateDatabaseAsync());
        var client = app.CreateClient();
        var response = await client.GetFromJsonAsync<JsonElement>("/api/v1/services?name=TestService");
        return new DefinitionApiTestContext { App = app, Client = client, ServiceId = response.GetProperty("data").GetProperty("id").GetGuid() };
    }

    public string DefinitionUrl(string key = "Welcome", bool upsert = false) =>
        ServiceRoot + "/email-template-definitions" + (upsert ? "/upsert" : "") + "?key=" + Uri.EscapeDataString(key);

    public Task<HttpResponseMessage> UpsertAsync(JsonNode body, string key = "Welcome") =>
        Client.PostAsJsonAsync(DefinitionUrl(key, upsert: true), body);

    public async Task<JsonElement> ReadAsync(string key = "Welcome") =>
        (await Client.GetFromJsonAsync<JsonElement>(DefinitionUrl(key))).GetProperty("data");

    public static JsonObject Body(Guid? revision, params string[] codes) => new()
    {
        ["revision"] = revision?.ToString(),
        ["variables"] = new JsonArray(new JsonObject { ["name"] = "Name", ["required"] = true }),
        ["translations"] = new JsonArray(codes.Select(code => (JsonNode)new JsonObject
        {
            ["languageCode"] = code, ["subject"] = "Subject " + code,
            ["htmlBody"] = "<p>Hello {{Name}}</p>", ["textBody"] = "Hello {{Name}}"
        }).ToArray())
    };

    public async ValueTask DisposeAsync()
    {
        Client.Dispose();
        await App.DisposeAsync();
    }
}