using System.Text.Json;
using System.Text.Json.Serialization;
using ForgejoReleaseSync.DTOs;
using ForgejoReleaseSync.DTOs.Forgejo;
using Microsoft.Extensions.Logging;

namespace ForgejoReleaseSync.Services;

public class GithubService(
    AppConfig config,
    RepositoryConfig repoConfig,
    HttpClient httpClient,
    ILogger<GithubService> logger)
{
    public async Task<List<GithubReleaseResponseDto>> FetchRepoReleasesAsync(string owner, string repo)
    {
        try
        {
            var response = await httpClient.GetAsync(
                new Uri($"https://api.github.com/repos/{owner}/{repo}/releases?per_page=3&page=1"));

            response.EnsureSuccessStatusCode();

            var responseStream = await response.Content.ReadAsStreamAsync();
            var releases = await JsonSerializer.DeserializeAsync(responseStream,
                AppJsonSerializerContext.Default.ListGithubReleaseResponseDto);

            return releases ?? [];
        }
        catch (Exception ex)
        {
            logger.LogError(ex, "Failed to fetch posts from Mastodon");
            throw;
        }
    }
}

// TODO: move this
[JsonSerializable(typeof(List<GithubReleaseResponseDto>))]
[JsonSerializable(typeof(ForgejoCreateReleaseDto))]
[JsonSerializable(typeof(List<ForgejoReleaseResponseDto>))]
internal partial class AppJsonSerializerContext : JsonSerializerContext
{
}