using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;

using AccessStudy.Core;

namespace AccessStudy.WebApi.Controllers
{
    /// <summary>
    /// 学生管理接口
    /// </summary>
    [ApiController]
    [Route("api/[controller]/[action]")]
    public class StudentController : ControllerBase
    {
        private readonly ILogger<StudentController> _logger;
        private readonly IStudentIDal _studentDal;

        /// <summary>
        /// 构造
        /// </summary>
        public StudentController(ILogger<StudentController> logger, IStudentIDal studentIDal)
        {
            _logger = logger;
            _studentDal = studentIDal;
        }

        /// <summary>
        /// 获取所有学生
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ResultBase GetAll()
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = _studentDal.GetAll()
            };

            return result;
        }

        /// <summary>
        /// 按标识获取学生
        /// </summary>
        /// <param name="studentId">标识号</param>
        /// <returns></returns>
        [HttpGet]
        public ResultBase GetById(int studentId)
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = _studentDal.Get(studentId)
            };

            return result;
        }

        /// <summary>
        /// 按姓名获取学生
        /// </summary>
        /// <param name="studentName">姓名</param>
        /// <remarks>
        /// 请求例子: 
        /// GET /api/Student/GetByName?studentName=王高峰
        /// </remarks>
        /// <returns></returns>
        [HttpGet]
        public ResultBase GetByName(string studentName)
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = _studentDal.Get(studentName)
            };

            return result;
        }

        /// <summary>
        /// 添加学生
        /// </summary>
        /// <param name="student">学生信息</param>
        /// <returns></returns>
        [HttpPost]
        public ResultBase Add(Student student)
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = null
            };

            if (_studentDal.Add(student))
            {
                result.Message = "添加成功";
                result.Data = true;
            }
            else
            {
                result.Message = "添加失败";
                result.Data = false;
            }
            return result;
        }

        /// <summary>
        /// 修改学生
        /// </summary>
        /// <param name="student">修改学生信息</param>
        /// <returns></returns>
        [HttpPost]
        public ResultBase Update(Student student)
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = null
            };

            if (_studentDal.Update(student))
            {
                result.Message = "更新成功";
                result.Data = true;
            }
            else
            {
                result.Message = "更新失败";
                result.Data = false;
            }
            return result;
        }

        /// <summary>
        /// 删除学生
        /// </summary>
        /// <param name="studentId">学生标识</param>
        /// <returns></returns>
        [HttpPost]
        public ResultBase Delete(int studentId)
        {
            var result = new ResultBase()
            {
                Code = 0,
                Message = "",
                Data = null
            };

            if (_studentDal.Delete(studentId))
            {
                result.Message = "删除成功";
                result.Data = true;
            }
            else
            {
                result.Message = "删除失败";
                result.Data = false;
            }

            return result;
        }
    }
}