using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Web.Http;

namespace ThCardReader
{
    /// <summary>
    /// 华视电子读卡器专用API控制器
    /// 独立于现有的EntryController，不影响原有医保业务
    /// </summary>
    public class HuaShiController : ApiController
    {
        /// <summary>
        /// 初始化华视读卡器
        /// </summary>
        /// <param name="port">端口号：1-16为串口，1001-1016为USB口</param>
        /// <returns>初始化结果</returns>
        [HttpPost]
        [Route("readcard/huashi/init")]
        public IHttpActionResult InitHuaShiReader([FromBody] dynamic request)
        {
            try
            {
                int port = 1001; // 默认USB端口1
                
                if (request != null && request.port != null)
                {
                    port = (int)request.port;
                }

                var result = HuaShiIdCardBusiness.Initialize(port);
                
                if ((int)result["code"] == 200)
                {
                    return Ok(result);
                }
                else
                {
                    return BadRequest(result.ToString());
                }
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"华视读卡器初始化异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }

        /// <summary>
        /// 读取身份证信息
        /// </summary>
        /// <returns>身份证信息</returns>
        [HttpPost]
        [Route("readcard/huashi/readcard")]
        public IHttpActionResult ReadIdCard([FromBody] dynamic request)
        {
            try
            {
                string savePath = "";
                bool autoClose = false;
                
                if (request != null)
                {
                    if (request.savePath != null)
                    {
                        savePath = (string)request.savePath;
                    }
                    if (request.autoClose != null)
                    {
                        autoClose = (bool)request.autoClose;
                    }
                }

                var result = HuaShiIdCardBusiness.ReadIdCard(savePath, autoClose);
                
                if ((int)result["code"] == 200)
                {
                    return Ok(result);
                }
                else
                {
                    return BadRequest(result.ToString());
                }
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"华视读卡器读卡异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }

        /// <summary>
        /// 连续读卡模式
        /// </summary>
        /// <returns>身份证信息</returns>
        [HttpPost]
        [Route("readcard/huashi/readcard/continuous")]
        public IHttpActionResult ReadIdCardContinuous([FromBody] dynamic request)
        {
            try
            {
                string savePath = "";
                bool autoClose = false;
                
                if (request != null)
                {
                    if (request.savePath != null)
                    {
                        savePath = (string)request.savePath;
                    }
                    if (request.autoClose != null)
                    {
                        autoClose = (bool)request.autoClose;
                    }
                }

                var result = HuaShiIdCardBusiness.ReadIdCardContinuous(savePath, autoClose);
                
                if ((int)result["code"] == 200)
                {
                    return Ok(result);
                }
                else
                {
                    return BadRequest(result.ToString());
                }
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"华视连续读卡异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }

        /// <summary>
        /// 获取设备状态
        /// </summary>
        /// <returns>设备状态信息</returns>
        [HttpGet]
        [Route("readcard/huashi/status")]
        public IHttpActionResult GetDeviceStatus()
        {
            try
            {
                var result = HuaShiIdCardBusiness.GetDeviceStatus();
                
                if ((int)result["code"] == 200)
                {
                    return Ok(result);
                }
                else
                {
                    return BadRequest(result.ToString());
                }
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"获取华视设备状态异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }

        /// <summary>
        /// 关闭华视读卡器连接
        /// </summary>
        /// <returns>关闭结果</returns>
        [HttpPost]
        [Route("readcard/huashi/close")]
        public IHttpActionResult CloseReader()
        {
            try
            {
                var result = HuaShiIdCardBusiness.Close();
                return Ok(result);
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"关闭华视读卡器异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }

        /// <summary>
        /// 获取华视API文档
        /// </summary>
        /// <returns>API文档信息</returns>
        [HttpGet]
        [Route("readcard/huashi/help")]
        public IHttpActionResult GetApiHelp()
        {
            var help = new JObject
            {
                ["device"] = "华视电子身份证读卡器",
                ["version"] = "V3.3.0.7",
                ["manufacturer"] = "深圳华视电子读写设备有限公司",
                ["apis"] = new JArray
                {
                    new JObject
                    {
                        ["method"] = "POST",
                        ["url"] = "/readcard/huashi/init",
                        ["description"] = "初始化华视读卡器",
                        ["parameters"] = new JObject
                        {
                            ["port"] = "端口号：1-16为串口COM1-COM16，1001-1016为USB口1-16"
                        },
                        ["example"] = new JObject
                        {
                            ["port"] = 1001
                        }
                    },
                    new JObject
                    {
                        ["method"] = "POST",
                        ["url"] = "/readcard/huashi/readcard",
                        ["description"] = "读取身份证信息",
                        ["parameters"] = new JObject
                        {
                            ["savePath"] = "照片保存路径（可选）",
                            ["autoClose"] = "读卡后是否自动关闭连接（可选，默认false，URL调用建议true）"
                        },
                        ["example"] = new JObject
                        {
                            ["savePath"] = "C:/photos",
                            ["autoClose"] = true
                        }
                    },
                    new JObject
                    {
                        ["method"] = "POST",
                        ["url"] = "/readcard/huashi/readcard/continuous",
                        ["description"] = "连续读卡模式（不需要重新放置卡片）",
                        ["parameters"] = new JObject
                        {
                            ["savePath"] = "照片保存路径（可选）",
                            ["autoClose"] = "读卡后是否自动关闭连接（可选，默认false，URL调用建议true）"
                        }
                    },
                    new JObject
                    {
                        ["method"] = "GET",
                        ["url"] = "/readcard/huashi/status",
                        ["description"] = "获取设备状态"
                    },
                    new JObject
                    {
                        ["method"] = "POST",
                        ["url"] = "/readcard/huashi/close",
                        ["description"] = "关闭读卡器连接"
                    }
                },
                ["supportedCards"] = new JArray
                {
                    "居民身份证",
                    "外国人永久居留证",
                    "港澳台居民居住证",
                    "新版外国人居留证"
                },
                ["returnFields"] = new JObject
                {
                    ["name"] = "姓名",
                    ["sex"] = "性别",
                    ["nation"] = "民族",
                    ["birthday"] = "出生日期",
                    ["idCode"] = "身份证号",
                    ["address"] = "地址",
                    ["department"] = "签发机关",
                    ["startDate"] = "有效开始日期",
                    ["endDate"] = "有效截止日期",
                    ["sexCode"] = "性别代码",
                    ["nationCode"] = "民族代码",
                    ["certType"] = "证件类别"
                },
                ["notes"] = new JArray
                {
                    "华视读卡器独立于医保业务，不影响SSCard.dll和NationECCode.dll的使用",
                    "支持自动初始化：首次调用readcard/continuous/status时会自动初始化设备",
                    "支持异常自愈：设备异常时会自动重置，下次调用时重新初始化",
                    "手动初始化：可选择手动调用init接口指定特定端口",
                    "需要部署termb.dll、sdtapi.dll、WltRs.dll、SysInfo.dll四个DLL文件",
                    "卡认证循环间隔建议大于300ms",
                    "查询卡片放置状态间隔建议大于600ms",
                    "连续读卡模式可避免频繁拿起放下卡片",
                    "现在使用起来和SSCard.dll一样简单：直接调用readcard即可"
                }
            };

            return Ok(help);
        }

        /// <summary>
        /// 健康检查
        /// </summary>
        /// <returns>服务健康状态</returns>
        [HttpGet]
        [Route("readcard/huashi/health")]
        public IHttpActionResult HealthCheck()
        {
            var health = new JObject
            {
                ["service"] = "华视电子读卡器API",
                ["status"] = "运行中",
                ["timestamp"] = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"),
                ["version"] = "1.0.0"
            };

            return Ok(health);
        }

        /// <summary>
        /// GET方式的简单调用接口（兼容现有URL调用模式）
        /// </summary>
        /// <param name="action">操作类型：init、readcard、continuous、status、close</param>
        /// <param name="port">端口号（仅用于init操作）</param>
        /// <returns>操作结果</returns>
        [HttpGet]
        [Route("readcard/huashi/simple")]
        public IHttpActionResult SimpleCall(string action = "readcard", int port = 1001)
        {
            try
            {
                JObject result;
                
                switch (action?.ToLower())
                {
                    case "init":
                        result = HuaShiIdCardBusiness.Initialize(port);
                        break;
                    case "readcard":
                        result = HuaShiIdCardBusiness.ReadIdCard("", true);
                        break;
                    case "continuous":
                        // SimpleCall也是URL调用，应该启用自动关闭
                        result = HuaShiIdCardBusiness.ReadIdCardContinuous("", true);
                        break;
                    case "status":
                        result = HuaShiIdCardBusiness.GetDeviceStatus();
                        break;
                    case "close":
                        result = HuaShiIdCardBusiness.Close();
                        break;
                    default:
                        result = new JObject
                        {
                            ["code"] = 1001,
                            ["message"] = $"不支持的操作：{action}，支持的操作：init、readcard、continuous、status、close",
                            ["device"] = "华视电子身份证读卡器"
                        };
                        break;
                }

                if ((int)result["code"] == 200)
                {
                    return Ok(result);
                }
                else
                {
                    return BadRequest(result.ToString());
                }
            }
            catch (Exception ex)
            {
                var errorResult = new JObject
                {
                    ["code"] = 1001,
                    ["message"] = $"华视读卡器操作异常: {ex.Message}",
                    ["device"] = "华视电子身份证读卡器"
                };
                return BadRequest(errorResult.ToString());
            }
        }
    }
}