/**
 * K3Cloud WebAPI C# 客户端骨架
 * 语言：C# (.NET Framework 4.x / .NET Core)
 * 覆盖：登录/查询/查看/保存/删除/提交/审核/反审核/下推/自定义操作
 * 依赖：Newtonsoft.Json
 *
 * 使用说明：
 * 1. 替换 ServerUrl / AcctId / AppId / AppSecret 为实际值
 * 2. 首次调用 LoginByAppSecret() 建立会话，后续请求自动携带 Cookie
 */
using System;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace MyCompany.Integration
{
    public class K3CloudClient
    {
        private readonly string _serverUrl;
        private readonly HttpClient _httpClient;
        private readonly CookieContainer _cookieContainer;

        public K3CloudClient(string serverUrl)
        {
            _serverUrl = serverUrl;
            _cookieContainer = new CookieContainer();
            var handler = new HttpClientHandler { CookieContainer = _cookieContainer };
            _httpClient = new HttpClient(handler);
        }

        private async Task<JToken> PostAsync(string serviceName, params object[] args)
        {
            var url = $"{_serverUrl}{serviceName}.common.kdsvc";
            var content = new StringContent(
                JsonConvert.SerializeObject(args),
                Encoding.UTF8,
                "application/json"
            );
            var resp = await _httpClient.PostAsync(url, content);
            var text = await resp.Content.ReadAsStringAsync();
            return JToken.Parse(text);
        }

        /// <summary>应用授权登录（推荐）</summary>
        public async Task<JToken> LoginByAppSecret(string acctId, string appId, string appSecret, int lcid = 2052)
        {
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.AuthService.LoginByAppSecret",
                acctId, appId, appSecret, lcid
            );
        }

        /// <summary>用户密码登录</summary>
        public async Task<JToken> LoginByUser(string dbId, string userName, string password, int lcid = 2052)
        {
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.AuthService.ValidateUser",
                dbId, userName, password, lcid
            );
        }

        /// <summary>单据查询（返回二维数组）</summary>
        public async Task<JToken> ExecuteBillQuery(string formId, string fieldKeys, string filterString = "", int startRow = 0, int limit = 0)
        {
            var data = new
            {
                FormId = formId,
                FieldKeys = fieldKeys,
                FilterString = filterString,
                StartRow = startRow,
                Limit = limit
            };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.BusinessDataService.ExecuteBillQuery",
                data
            );
        }

        /// <summary>查看单据详情</summary>
        public async Task<JToken> View(string formId, long keyValue)
        {
            var data = new { CreateOrgId = 0, Number = "", Id = keyValue };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.View",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>保存单据</summary>
        public async Task<JToken> Save(string formId, object model)
        {
            var data = new
            {
                Model = model,
                IsDeleteEntry = "true",
                ValidateFlag = "true",
                NumberSearch = "true"
            };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.Save",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>删除单据</summary>
        public async Task<JToken> Delete(string formId, params long[] keyValues)
        {
            var data = new { CreateOrgId = 0, Numbers = "", Ids = string.Join(",", keyValues) };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.Delete",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>提交单据</summary>
        public async Task<JToken> Submit(string formId, params long[] keyValues)
        {
            var data = new { CreateOrgId = 0, Numbers = "", Ids = string.Join(",", keyValues) };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.Submit",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>审核单据</summary>
        public async Task<JToken> Audit(string formId, params long[] keyValues)
        {
            var data = new { CreateOrgId = 0, Numbers = "", Ids = string.Join(",", keyValues) };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.Audit",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>反审核单据</summary>
        public async Task<JToken> UnAudit(string formId, params long[] keyValues)
        {
            var data = new { CreateOrgId = 0, Numbers = "", Ids = string.Join(",", keyValues) };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.UnAudit",
                formId, JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>下推单据</summary>
        public async Task<JToken> Push(string targetFormId, string keyValues, string ruleId = "")
        {
            var data = new
            {
                Ids = keyValues,
                RuleId = ruleId,
                TargetFormId = targetFormId,
                IsEnableDefaultRule = "true",
                CustomParams = new { }
            };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.Push",
                JsonConvert.SerializeObject(data)
            );
        }

        /// <summary>执行自定义操作</summary>
        public async Task<JToken> ExecuteOperation(string formId, string opNumber, params long[] keyValues)
        {
            var data = new { CreateOrgId = 0, Numbers = "", Ids = string.Join(",", keyValues) };
            return await PostAsync(
                "Kingdee.BOS.WebApi.ServicesStub.DynamicFormService.ExcuteOperation",
                formId, opNumber, JsonConvert.SerializeObject(data)
            );
        }
    }
}