using System.Text;
using YieldChain.Models;
using YLErp.Modules.ClientModule;
using YLErp.Modules.TradeModule.OrderModule;
using System.Net.Http.Json;

namespace YLErp.Forms
{
    public partial class FormMgrApiTest : Form
    {
        public FormMgrApiTest()
        {
            InitializeComponent();
        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            SetPropertyGrid1(null);
        }

        private async void btnSearch_Click(object sender, EventArgs e)
        {
            await Execute();
        }

        private async Task<object> Execute()
        {
            string accessToken;

            var writer = new RichTextBoxWriter(richTextBox1).Clear();

            if (cmbApiPath.SelectedIndex < 0)
            {
                return writer.Write("请选择API");
            }

            try
            {
                accessToken = await GetAccessToken(tbApiBaseUrl.Text.Trim(), tbUserName.Text.Trim(), tbUserPwd.Text.Trim());
            }
            catch (Exception ex)
            {
                return writer.Write(ex.ToString());
            }

            InnerHelper.SaveSetting(nameof(FormMgrApiTest) + ".txt", $"baseUrl={tbApiBaseUrl.Text}&userName={tbUserName.Text}&userPwd={tbUserPwd.Text}");

            writer.WriteLine("获取accessToken:").WriteLine(accessToken).WriteLine();

            try
            {
                ApiRequest(tbApiBaseUrl.Text.Trim(), cmbApiPath.Text, accessToken, propertyGrid1.SelectedObject, writer);
            }
            catch (Exception ex)
            {
                return writer.Write(ex.ToString());
            }

            return null;
        }

        private static async Task<string> GetAccessToken(string baseUrl, string userName, string userPwd)
        {
            if (string.IsNullOrWhiteSpace(baseUrl))
            {
                throw new Exception("API基网址 必须填写");
            }

            if (string.IsNullOrWhiteSpace(userName))
            {
                throw new Exception("系统用户 必须填写");
            }

            if (string.IsNullOrWhiteSpace(userPwd))
            {
                throw new Exception("用户密码 必须填写");
            }

            var uri = new Uri(new Uri(baseUrl), "/api/token");
            var auth = Convert.ToBase64String(Encoding.UTF8.GetBytes(userName + ":" + userPwd));

            var httpContent = new StringContent(string.Empty, Encoding.UTF8, "application/json");
            httpContent.Headers.Add("authorization", "Basic " + auth);

            var httpClient = Program.GetService<IHttpClientFactory>().CreateClient();

            var response = await httpClient.PostAsync(uri, httpContent);

            var result = await response.Content.ReadFromJsonAsync<ApiTokenResponseModel>();

            if (result.errcode > 0)
            {
                throw new Exception(result.errmsg ?? "发生错误");
            }

            return result.accessToken;
        }

        private static async void ApiRequest(string baseUrl, string apiPath, string accessToken, object postData, RichTextBoxWriter writer)
        {
            var uri = new Uri(new Uri(baseUrl), apiPath.TrimStart('/'));

            writer.Write("url: ").WriteLine(uri.AbsoluteUri).WriteLine();

            var content = string.Empty;
            if (postData != null)
            {
                content = JsonHelper.ToJson(postData);

                writer.WriteLine("postData: ").WriteLine(content);
            }
            else
            {
                writer.Write("postData: null").WriteLine();
            }

            var httpContent = new StringContent(content, Encoding.UTF8, "application/json");
            httpContent.Headers.Add("Authorization", "Bearer " + accessToken);
            httpContent.Headers.Add("Accept-Encoding", "gzip");

            writer.WriteLine();

            var httpClient = Program.GetService<IHttpClientFactory>().CreateClient();

            var response = await httpClient.PostAsync(uri, httpContent);

            var result = await response.Content.ReadAsStringAsync();

            writer.WriteLine("result:").WriteLine(result);
        }

        private void FormMgrApiTest_Load(object sender, EventArgs e)
        {
            var setting = InnerHelper.ReadSetting(nameof(FormMgrApiTest) + ".txt");
            var nv = YieldChain.Helpers.UrlHelper.ParseQueryString(setting);
            if (nv != null)
            {
                tbApiBaseUrl.Text = nv["baseUrl"];
                tbUserName.Text = nv["userName"];
                tbUserPwd.Text = nv["userPwd"];
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            var frm = new FormDataImport();
            if (DialogResult.OK == frm.ShowDialog())
            {
                SetPropertyGrid1(frm);
            }
        }

        private void SetPropertyGrid1(IDataImport dataImport)
        {
            object obj = null;
            switch (cmbApiPath.Text)
            {
                case "api/v1/clientPositionList":
                case "api/v2/clientPositionList":
                    if (!string.IsNullOrWhiteSpace(dataImport?.Content))
                    {
                        try
                        {
                            if (dataImport.ContentType == ContentType.json)
                            {
                                obj = JsonHelper.Deserialize<ClientPositionQueryModel>(dataImport.Content);
                            }
                            else
                            {
                                obj = ParseFormData<ClientPositionQueryModel>(dataImport.Lines);
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show("解析数据出错:" + ex);
                        }
                    }
                    if (obj == null)
                    {
                        obj = new ClientPositionQueryModel();
                    }
                    break;
                case "api/v1/order/option":
                    if (!string.IsNullOrWhiteSpace(dataImport?.Content))
                    {
                        try
                        {
                            if (dataImport.ContentType == ContentType.json)
                            {
                                obj = JsonHelper.Deserialize<OtcOptionTradeFullEx>(dataImport.Content);
                            }
                            else
                            {
                                obj = ParseFormData<OtcOptionTradeFullEx>(dataImport.Lines);
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show("解析数据出错:" + ex);
                        }
                    }
                    if (obj == null)
                    {
                        obj = new OtcOptionTradeFullEx();
                    }
                    break;
                default:
                    obj = new object();
                    break;
            }
            propertyGrid1.SelectedObject = obj;
        }

        private static T ParseFormData<T>(string[] lines)
        {
            var list = new List<KeyValuePair<string, string>>();

            foreach (var line in lines)
            {
                if (string.IsNullOrWhiteSpace(line))
                {
                    continue;
                }

                var index = line.IndexOf(':');

                if (index < 0)
                {
                    continue;
                }

                list.Add(new KeyValuePair<string, string>(line.Substring(0, index).Trim(), line.Substring(index + 1).Trim()));
            }

            //var fc = new FormDataCollection(list);

            //return fc.ReadAs<T>();

            return default;
        }
    }
}