using Entities.Contracts;
using Entities.DTO;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;
using System.Net;
using System.Security.Claims;
using TechHelper.Services.Beta;
using TechHelper.Services;

namespace TechHelper.Server.Controllers
{
    /// <summary>
    /// 年级管理控制器
    /// 处理年级相关的操作，如创建、更新、删除年级等
    /// </summary>
    [Route("api/grade")]
    [ApiController]
    public class GradeController : ControllerBase
    {
        private TechHelper.Services.Beta.IGradeService _gradeService;
        private UserManager<User> _userManager;

        /// <summary>
        /// 初始化年级控制器
        /// </summary>
        /// <param name="gradeService">年级服务</param>
        /// <param name="userManager">用户管理服务</param>
        public GradeController(TechHelper.Services.Beta.IGradeService gradeService, UserManager<User> userManager)
        {
            _gradeService = gradeService;
            _userManager = userManager;
        }

        #region 年级基本信息CRUD操作

        /// <summary>
        /// 获取年级列表（支持搜索）
        /// </summary>
        /// <param name="query">查询参数</param>
        /// <returns>年级列表</returns>
        /// <response code="200">成功获取年级列表</response>
        /// <response code="400">获取失败</response>
        [HttpGet]
        [Authorize(Roles = "Teacher,Admin")]
        public async Task<IActionResult> GetAll([FromQuery] QueryParameter query)
        {
            var result = await _gradeService.GetAllAsync(query);
            
            if (!result.Status)
            {
                return BadRequest(result.Message);
            }

            return Ok(result.Result);
        }

        /// <summary>
        /// 根据ID获取年级详细信息
        /// </summary>
        /// <param name="id">年级ID</param>
        /// <returns>年级详细信息</returns>
        /// <response code="200">成功获取年级信息</response>
        /// <response code="400">年级未找到或获取失败</response>
        [HttpGet("{id}")]
        [Authorize(Roles = "Teacher,Admin")]
        public async Task<IActionResult> GetById(Guid id)
        {
            var result = await _gradeService.GetAsync(id);
            
            if (!result.Status)
            {
                return BadRequest(result.Message);
            }

            return Ok(result.Result);
        }

        /// <summary>
        /// 创建新年级
        /// </summary>
        /// <param name="model">年级数据传输对象</param>
        /// <returns>创建结果</returns>
        /// <response code="200">创建成功</response>
        /// <response code="400">创建失败</response>
        [HttpPost]
        public async Task<IActionResult> Create([FromBody] GradeDto model)
        {
            var result = await _gradeService.AddAsync(model);
            
            if (!result.Status)
            {
                return BadRequest(result.Message);
            }

            return Ok(result.Result);
        }

        /// <summary>
        /// 更新年级信息
        /// </summary>
        /// <param name="model">年级数据传输对象</param>
        /// <returns>更新结果</returns>
        /// <response code="200">更新成功</response>
        /// <response code="400">更新失败</response>
        [HttpPut]
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Update([FromBody] GradeDto model)
        {
            var result = await _gradeService.UpdateAsync(model);
            
            if (!result.Status)
            {
                return BadRequest(result.Message);
            }

            return Ok(result.Result);
        }

        /// <summary>
        /// 删除年级
        /// </summary>
        /// <param name="id">年级ID</param>
        /// <returns>删除结果</returns>
        /// <response code="200">删除成功</response>
        /// <response code="400">删除失败</response>
        [HttpDelete("{id}")]
        [Authorize(Roles = "Admin")]
        public async Task<IActionResult> Delete(Guid id)
        {
            var result = await _gradeService.DeleteAsync(id);
            
            if (!result.Status)
            {
                return BadRequest(result.Message);
            }

            return Ok(result.Message);
        }

        #endregion
    }
}
