// Copyright (c) Barry Dorrans. All rights reserved.
// Licensed under the MIT License.

using System.Diagnostics.CodeAnalysis;

using idunno.AtProto;
using idunno.AtProto.Authentication;
using idunno.Bluesky.Chat.Group.Model;

using Microsoft.Extensions.Logging;

namespace idunno.Bluesky;

public partial class BlueskyServer
{
    /// <summary>
    /// Creates a group conversation and invites members to join it.
    /// </summary>
    /// <param name="members">The collection of <see cref="Did"/> representing the members to invite.</param>
    /// <param name="name">The name of the group conversation.</param>
    /// <param name="service">The <see cref="Uri"/> of the service to call.</param>
    /// <param name="accessCredentials">The <see cref="AccessCredentials"/> used to authenticate to <paramref name="service"/>.</param>
    /// <param name="httpClient">An <see cref="HttpClient"/> to use when making a request to the <paramref name="service"/>.</param>
    /// <param name="onCredentialsUpdated">An <see cref="Action{T}" /> to call if the credentials in the request need updating.</param>
    /// <param name="loggerFactory">An instance of <see cref="ILoggerFactory"/> to use to create a logger.</param>
    /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param>
    /// <returns>The task object representing the asynchronous operation.</returns>
    /// <exception cref="ArgumentNullException">Thrown when <paramref name="members"/> or <paramref name="name"/> is <see langword="null"/>.</exception>
    /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="members"/> is empty or contains more than 49 members, or when <paramref name="name"/> exceeds the maximum length.</exception>
    [UnconditionalSuppressMessage(
        "Trimming",
        "IL2026:Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code",
        Justification = "All types are preserved in the JsonSerializerOptions call to Post().")]
    [UnconditionalSuppressMessage("AOT",
        "IL3050:Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.",
        Justification = "All types are preserved in the JsonSerializerOptions call to Post().")]
    public static async Task<AtProtoHttpResult<CreateGroupResponse>> CreateGroup(
        ICollection<Did> members,
        string name,
        Uri service,
        AccessCredentials accessCredentials,
        HttpClient httpClient,
        Action<AtProtoCredential>? onCredentialsUpdated = null,
        ILoggerFactory? loggerFactory = default,
        CancellationToken cancellationToken = default)
    {
        ArgumentNullException.ThrowIfNull(members);
        ArgumentOutOfRangeException.ThrowIfZero(members.Count);
        ArgumentOutOfRangeException.ThrowIfGreaterThan(members.Count, 49);
        ArgumentNullException.ThrowIfNull(name);
        ArgumentOutOfRangeException.ThrowIfGreaterThan(name.Length, 500);
        ArgumentOutOfRangeException.ThrowIfGreaterThan(name.GetGraphemeLength(), 50);

        BlueskyHttpClient<CreateGroupResponse> client = new(ChatProxy, loggerFactory);

        AtProtoHttpResult<CreateGroupResponse> response = await client.Post(
            service,
            "/xrpc/chat.bsky.group.createGroup",
            new CreateGroupRequest(members, name),
            credentials: accessCredentials,
            httpClient: httpClient,
            jsonSerializerOptions: BlueskyJsonSerializerOptions,
            onCredentialsUpdated: onCredentialsUpdated,
            cancellationToken: cancellationToken).ConfigureAwait(false);

        return response;
    }
}