using Model;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Web;
using System.Web.Http;

/// <summary>
/// AncestralTabletPositionController 的摘要描述
/// </summary>
public class AncestralTabletPositionController: ApiController
{
    private Model.ezEntities _db = new Model.ezEntities();

    [HttpGet]
    [Route("api/ancestraltablet/position/getlist")]
    public IHttpActionResult GetList([FromUri] int areaId)
    {
        var positions = _db.AncestralTabletPosition
        .Where(p => p.AreaId == areaId)
        .Select(p => new
        {
            PositionId = p.PositionId,
            AreaId = p.AreaId,
            PositionCode = p.PositionCode,
            PositionName = p.PositionName,
            Price = p.Price,
            StatusCode = p.StatusCode,
            Description = p.Description,
            RowNo = p.RowNo,
            ColumnNo = p.ColumnNo,
            AncestralTabletRegistrant = _db.AncestralTabletRegistrant
            .Where(r => r.PositionId == p.PositionId && r.IsActive == true)
            .Select(r => new
            {
                r.RegistrantCode,
                r.Name,
                r.Phone,
                r.Address,
                r.RegisterDate,
                r.Price,
                r.StartDate,
                r.EndDate,
                r.IsLongTerm,
                r.IsActive,

                // 嵌套查询牌位记录（PositionRecord）
                TabletRecord = r.AncestralTabletPositionRecord
                    .Select(pr => new
                    {
                        pr.RecordId,
                        pr.RegistrantCode,
                        pr.NPTitle,
                        pr.NPStandDate,
                        pr.NPYangShang,
                        pr.WPContent
                    })
                    .FirstOrDefault()
            })
            .FirstOrDefault()
        })
        .ToList();

        return Ok(positions);
    }
    [HttpGet]
    [Route("api/ancestraltablet/position/shortlist")]
    public IHttpActionResult GetListWithShort([FromUri] int areaId)
    {
        //获取位置列表，简单信息
        var positions = _db.AncestralTabletPosition
        .Where(p => p.AreaId == areaId)
        .Select(p => new
        {
            PositionId = p.PositionId,
            AreaId = p.AreaId,
            PositionCode = p.PositionCode,
            PositionName = p.PositionName,
            Price = p.Price,
            StatusCode = p.StatusCode,
            Description = p.Description,
            RowNo = p.RowNo,
            ColumnNo = p.ColumnNo,
            isCanUse = p.StatusCode == "available" ? true : false,
        })
        .ToList();

        return Ok(positions);
    }
    [HttpPost]
    [Route("api/ancestraltablet/position/batchcreate")]
    public IHttpActionResult BatchCreatePosition([FromBody] List<AncestralTabletPositionDto> positions)
    {
        if (positions == null || positions.Count == 0)
            return BadRequest("未接收到任何位置数据");

        try
        {
            foreach (var dto in positions)
            {
                var entity = new AncestralTabletPosition
                {
                    AreaId = dto.AreaId,
                    PositionCode = dto.PositionCode,
                    PositionName = dto.PositionName,
                    Price = dto.Price,
                    StatusCode = dto.StatusCode,
                    Description = dto.Description,
                    RowNo = dto.RowNo,
                    ColumnNo = dto.ColumnNo
                };

                _db.AncestralTabletPosition.Add(entity);
            }

             _db.SaveChanges();

            return Ok(new { message = "批量新增成功", count = positions.Count });
        }
        catch (Exception ex)
        {
            string message = ex.InnerException?.InnerException?.Message ?? ex.Message;

            return Content(HttpStatusCode.InternalServerError, new
            {
                message = "批量新增失败",
                exceptionMessage = message
            });
        }
    }

    [HttpPost]
    [Route("api/ancestraltablet/position/edit")]
    public IHttpActionResult EditPosition([FromBody] AncestralTabletPositionDto pos)
    {
        var oldPos = _db.AncestralTabletPosition
                    .FirstOrDefault(p => p.AreaId == pos.AreaId && p.PositionCode == pos.PositionCode);
        if(oldPos == null) return NotFound();
        try
        {
            oldPos.PositionName = pos.PositionName;
            oldPos.Price = pos.Price;
            oldPos.StatusCode = pos.StatusCode;

            // 保存到数据库
            _db.SaveChanges();
        }
        catch (Exception ex)
        {
            return InternalServerError(ex);
        }
        return Ok(new { message="更新成功", code=200});
    }
    [HttpDelete]
    [Route("api/ancestraltablet/position/delete/{positionId}")]
    public IHttpActionResult DeletePosition(int positionId)
    {
        var pos = _db.AncestralTabletPosition.FirstOrDefault(p => p.PositionId == positionId);

        if (pos == null)
        {
            return NotFound();
        }

        _db.AncestralTabletPosition.Remove(pos);
        _db.SaveChanges();

        return Ok("删除成功");
    }
    public class AncestralTabletPositionDto
    {
        public int PositionId { get; set; }
        public int AreaId { get; set; }
        public string PositionCode { get; set; }
        public string PositionName { get; set; }
        public int? Price { get; set; }
        public string StatusCode { get; set; }
        public string Description { get; set; }
        public int? RowNo { get; set; }
        public int? ColumnNo { get; set; }
    }

}