using Flurl.Http;
using Newtonsoft.Json.Linq;

namespace GiteaHelpMCP.Base
{
    public class GiteaHelp
    {
        [McpTool("GetReposFullName", "得到当前用户所有的仓库，返回仓库的full_name列表")]
        public static string GetReposFullName()
        {
            var url = MsBase.url + "/api/v1/user/repos?page=1&limit=100";
            var resultStr = url.WithHeader("accept", "application/json")
                .WithHeader("Authorization", $"token {MsBase.token}")
                .GetStringAsync().GetAwaiter().GetResult();
            var result = JArray.Parse(resultStr);
            var resultPath = "$[*].full_name";
            IEnumerable<JToken> resultTokens = result.SelectTokens(resultPath);
            var newresultObjects = resultTokens.Select(result =>
            {
                return result.ToString();
            }).ToList();
            return JArray.FromObject(newresultObjects).ToString(Newtonsoft.Json.Formatting.None);
        }

        [McpTool("GetCommits", "得到指定仓库的commit，返回详细的信息json")]
        public static string GetCommits(
            [McpParameter(true, "仓库")] string repoFullName,
            [McpParameter(true, "page 默认是1")] int page = 1,
            [McpParameter(true, "limit 默认是20")] int limit = 20)
        {
            var url = MsBase.url + $"/api/v1/repos/{repoFullName}/commits?page={page}&limit={limit}";
            var resultStr = url.WithHeader("accept", "application/json")
                .WithHeader("Authorization", $"token {MsBase.token}")
                .GetStringAsync().GetAwaiter().GetResult();
            //var result = JArray.Parse(resultStr);
            return resultStr;
        }

        [McpTool("GetCommitsSimple", "得到仓库的commit,返回简单信息json，[仓库,创建时间,提交信息]")]
        public static string GetCommitsSimple(
            [McpParameter(true, "仓库")] string repoFullName,
            [McpParameter(true, "page 默认是1")] int page = 1,
            [McpParameter(true, "limit 默认是20")] int limit = 20)
        {
            var resultStr = GetCommits(repoFullName, page, limit);
            var result = JArray.Parse(resultStr);
            var json = new JArray();
            foreach (JObject item in result)
            {
                // 获取 created 字段
                string created = item["created"].ToString();
                // 获取 commit 对象的 message 字段
                string message = item["commit"]["message"].ToString();
                json.Add(new JObject {
                    {"repoFullName",repoFullName },
                    { "created", created },
                    { "message", message }});
            }
            return json.ToString(Newtonsoft.Json.Formatting.None);
        }

        [McpTool("GetAllReposCommitsSimple", "得到所有仓库的commit,返回简单信息json，[[仓库,创建时间,提交信息]]；可以通过limit调整返回的数量，默认是20，最大是100；注意这里的分页是单个仓库的提交记录分页，不是所有仓库的提交记录分页")]
        public static string GetAllReposCommitsSimple(
           [McpParameter(true, "page 默认是1")] int page = 1,
           [McpParameter(true, "limit 默认是20")] int limit = 20)
        {
            if (limit > 100) { limit = 100; }
            var AllReposstr = GetReposFullName();
            var AllRepos = JArray.Parse(AllReposstr);
            var json = new JArray();
            foreach (var item in AllRepos)
            {
                string Commits = GetCommitsSimple(item.ToString(), page, limit);
                //判断Commits是否为空
                var Commitsjs = JArray.Parse(Commits);
                if (Commitsjs.Any())
                {
                    json.Add(Commitsjs);
                }
            }
            return json.ToString(Newtonsoft.Json.Formatting.None);
        }
    }
}