using Microsoft.AspNetCore.Mvc;
using OpenAuth.App.Interface;
using workflow;

namespace OpenAuth.WebApi.Controllers.ServerController;

[ApiController]
[Route("api/[controller]")]
public class CustomWorkflowController : ControllerBase
{
    private readonly WorkflowEngineApp _workflowEngineApp;
    private readonly IAuth _auth;

    public CustomWorkflowController(WorkflowEngineApp workflowEngineApp, IAuth auth)
    {
        _workflowEngineApp = workflowEngineApp;
        _auth = auth;
    }

    /// <summary>
    /// 发起违法建设认定流程
    /// </summary>
    [HttpPost("initiate")]
    public IActionResult InitiateFlow([FromForm] InitiateFlowRequest request)
    {
        try
        {
            // 1. 获取当前用户信息
            var user = _auth.GetCurrentUser().User;
            if (!long.TryParse(user.Id.ToString(), out long currentUserId))
                return Ok(ApiResult<long>.Error("用户ID格式错误"));

            // 2. 调用工作流服务发起流程
            var instanceId = _workflowEngineApp.InitiateFlow(currentUserId, user.Name, request);

            return Ok(ApiResult<long>.Ok(instanceId, message: "流程发起成功"));
        }
        catch (Exception ex)
        {
            return Ok(ApiResult<long>.Error(ex.Message));
        }
    }

    /// <summary>
    /// 处理工作项（中转、审核、汇总）
    /// </summary>
    [HttpPost("handle-workitem")]
    public IActionResult HandleWorkitem([FromBody] HandleWorkitemRequest request)
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            // 1. 获取当前用户信息
            var userIdStr = user.Id.ToString();
            var userName = user.Name;
            if (!long.TryParse(userIdStr, out long currentUserId))
                return Ok(ApiResult<bool>.Error("用户ID格式错误"));

            // 2. 调用工作流服务处理工作项
            var result = _workflowEngineApp.HandleWorkitem(currentUserId, userName, request);

            return Ok(ApiResult<bool>.Ok(result, message: "工作项处理成功"));
        }
        catch (Exception ex)
        {
            return Ok(ApiResult<bool>.Error(ex.Message));
        }
    }

    // 拟办、待办、已办、未办结、已完成、项目列表
    // // ToDo/Done/Rejected
    /// <summary>
    /// 查询我的待办
    /// </summary>
    [HttpGet("my-todo")]
    public IActionResult QueryMyToDo()
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var userIdStr = user.Id.ToString();
            if (!long.TryParse(userIdStr, out long currentUserId))
                return Ok(ApiResult<List<FlowQueryResult>>.Error("用户ID格式错误"));
            var result = _workflowEngineApp.QueryMyToDo(currentUserId);
            return Ok(ApiResult<List<FlowQueryResult>>.Ok(result, result.Count));
        }
        catch (Exception ex)
        {
            return Ok(ApiResult<List<FlowQueryResult>>.Error(ex.Message));
        }
    }

    /// <summary>
    /// 查询我的已办
    /// </summary>
    [HttpGet("my-done")]
    public IActionResult QueryMyDone()
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var userIdStr = user.Id.ToString();
            if (!long.TryParse(userIdStr, out long currentUserId))
                return Ok(ApiResult<List<FlowQueryResult>>.Error("用户ID格式错误"));
            var result = _workflowEngineApp.QueryMyDone(currentUserId);

            return Ok(ApiResult<List<FlowQueryResult>>.Ok(result, result.Count));
        }
        catch (Exception ex)
        {
            return Ok(ApiResult<List<FlowQueryResult>>.Error(ex.Message));
        }
    }

    #region 新增：拟办/未办结/已完成 API 接口

    /// <summary>
    /// 查询我的拟办（需认领）
    /// </summary>
    [HttpGet("my-draft")]
    public IActionResult QueryMyDraft()
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var result = _workflowEngineApp.QueryMyDraft(user.Id);

            return Ok(new { Code = 200, Msg = "查询拟办成功", Data = result, Total = result.Count });
        }
        catch (Exception ex)
        {
            return Ok(new { Code = 500, Msg = ex.Message });
        }
    }

    /// <summary>
    /// 认领拟办工作项
    /// </summary>
    [HttpPost("claim-draft")]
    public IActionResult ClaimDraft([FromBody] long workitemId)
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var userId = user.Id;
            var userName = user.Name;
            var result = _workflowEngineApp.ClaimDraftWorkitem(workitemId, userId, userName);
            return Ok(new { Code = 200, Msg = "认领拟办成功", Data = result });
        }
        catch (Exception ex)
        {
            return Ok(new { Code = 500, Msg = ex.Message });
        }
    }

    /// <summary>
    /// 查询所有未办结流程
    /// </summary>
    [HttpGet("unfinished-flows")]
    public IActionResult QueryUnfinishedFlows()
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var userId = user.Id;
            var result = _workflowEngineApp.QueryUnfinishedFlows(userId);

            return Ok(new { Code = 200, Msg = "查询未办结流程成功", Data = result, Total = result.Count });
        }
        catch (Exception ex)
        {
            return Ok(new { Code = 500, Msg = ex.Message });
        }
    }

    /// <summary>
    /// 查询所有已完成流程
    /// </summary>
    [HttpGet("completed-flows")]
    public IActionResult QueryCompletedFlows()
    {
        try
        {
            var user = _auth.GetCurrentUser().User;
            var userId = user.Id;
            var result = _workflowEngineApp.QueryCompletedFlows(userId);

            return Ok(new { Code = 200, Msg = "查询已完成流程成功", Data = result, Total = result.Count });
        }
        catch (Exception ex)
        {
            return Ok(new { Code = 500, Msg = ex.Message });
        }
    }

    #endregion
}