using Furion.DependencyInjection;
using Furion.DynamicApiController;
using Furion.FriendlyException;
using Magic.Core.Entity;
using Mapster;
using Microsoft.AspNetCore.Mvc;

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

namespace Magic.Core.Service;

/// <summary>
/// 角色服务
/// </summary>
[ApiDescriptionSettings(Name = "Role", Order = 149)]
public class SysRoleService : ISysRoleService, IDynamicApiController, ITransient
{
    private readonly SqlSugarRepository<SysRole> _sysRoleRep;  // 角色表仓储 
    private readonly SqlSugarRepository<SysUserRole> _sysUserRoleRep;  // 用户角色表仓储 

    private readonly ISysRoleDataScopeService _sysRoleDataScopeService;
    private readonly ISysOrgService _sysOrgService;
    private readonly ISysRoleMenuService _sysRoleMenuService;
    private readonly ISysCacheService _sysCacheService;

    public SysRoleService(SqlSugarRepository<SysRole> sysRoleRep,
                          SqlSugarRepository<SysUserRole> sysUserRoleRep,
                          ISysRoleDataScopeService sysRoleDataScopeService,
                          ISysOrgService sysOrgService,
                          ISysRoleMenuService sysRoleMenuService,
                          ISysCacheService sysCacheService)
    {
        _sysRoleRep = sysRoleRep;
        _sysUserRoleRep = sysUserRoleRep;
        _sysRoleDataScopeService = sysRoleDataScopeService;
        _sysOrgService = sysOrgService;
        _sysRoleMenuService = sysRoleMenuService;
        _sysCacheService = sysCacheService;
    }

    /// <summary>
    /// 获取用户角色相关信息（登录）
    /// </summary>
    /// <param name="userId"></param>
    /// <returns></returns>
    [NonAction]
    public async Task<List<RoleOutput>> GetUserRoleList(long userId)
    {
        return await _sysRoleRep.AsQueryable().InnerJoin<SysUserRole>((r, u) => r.Id == u.SysRoleId)
           .Where((r, u) => u.SysUserId == userId)
           .Select((r, u) => new RoleOutput()
           {
               Id = r.Id,
               Code = r.Code,
               Name = r.Name
           }).ToListAsync();
    }

    /// <summary>
    /// 分页获取角色列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpGet("/sysRole/page")]
    public async Task<dynamic> QueryRolePageList([FromQuery] RoleInput input)
    {
        var roles = await _sysRoleRep.AsQueryable()
                                     .WhereIF(!string.IsNullOrWhiteSpace(input.Name), u => u.Name.Contains(input.Name.Trim()))
                                     .WhereIF(!string.IsNullOrWhiteSpace(input.Code), u => u.Code.Contains(input.Code.Trim()))
                                     .Where(u => u.Status == (int)CommonStatus.ENABLE)
                                     .OrderBy(u => u.Sort)
                                     .ToPagedListAsync(input.PageNo, input.PageSize);
        return roles.XnPagedResult();
    }

    /// <summary>
    /// 获取角色列表
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [NonAction]
    public async Task<dynamic> GetRoleList([FromQuery] RoleInput input)
    {
        return await _sysRoleRep.AsQueryable()
                               .WhereIF(!string.IsNullOrWhiteSpace(input.Name), u => u.Name.Contains(input.Name.Trim()))
                               .WhereIF(!string.IsNullOrWhiteSpace(input.Code), u => u.Code.Contains(input.Code.Trim()))
                               .Where(u => u.Status == (int)CommonStatus.ENABLE).OrderBy(u => u.Sort)
                               .Select(u => new
                               {
                                   u.Id,
                                   Name = u.Name + "[" + u.Code + "]"
                               }).ToListAsync();
    }

    /// <summary>
    /// 角色下拉（用于授权角色时选择）
    /// </summary>
    /// <returns></returns>
    [HttpGet("/sysRole/dropDown")]
    public async Task<dynamic> GetRoleDropDown()
    {
        // 如果不是超级管理员，则查询自己拥有的角色集合
        var roles = UserManager.IsSuperAdmin
                    ? await _sysUserRoleRep.Where(u => u.SysUserId == UserManager.UserId).Select(u => u.SysRoleId).ToListAsync()
                    : new List<long>();

        return await _sysRoleRep
                                .Where(roles.Any(), u => roles.Contains(u.Id))
                                .Where(u => u.Status == (int)CommonStatus.ENABLE)
                                .Select(u => new
                                {
                                    u.Id,
                                    u.Code,
                                    u.Name
                                }).ToListAsync();
    }

    /// <summary>
    /// 增加角色
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("/sysRole/add")]
    public async Task AddRole(AddRoleInput input)
    {
        var isExist = await _sysRoleRep.AnyAsync(u => u.Code == input.Code || u.Name == input.Name);
        if (isExist)
            throw Oops.Oh(ErrorCode.D1006);

        var role = input.Adapt<SysRole>();
        role.RoleType = RoleType.NormalRole;
        role.DataScopeType = DataScopeType.ALL; // 新角色默认全部数据范围
        await _sysRoleRep.InsertAsync(role);
    }

    /// <summary>
    /// 删除角色
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("/sysRole/delete")]
    public async Task DeleteRole(DeleteRoleInput input)
    {
        var sysRole = await _sysRoleRep.FirstOrDefaultAsync(u => u.Id == input.Id);
        if (sysRole.IsNullOrZero())
            throw Oops.Oh(ErrorCode.D1006);
        if (sysRole.RoleType==RoleType.AdminRole)
            throw Oops.Oh("请勿删除管理员角色");
        try
        {
            _sysRoleRep.CurrentBeginTran();
            await _sysRoleRep.DeleteAsync(sysRole);
            //级联删除该角色对应的角色-数据范围关联信息
            await _sysRoleDataScopeService.DeleteRoleDataScopeListByRoleId(sysRole.Id);
            ////级联删除该角色对应的用户-角色表关联信息
            await _sysUserRoleRep.DeleteAsync(u => u.SysRoleId == sysRole.Id);
            //级联删除该角色对应的角色-菜单表关联信息
            await _sysRoleMenuService.DeleteRoleMenuListByRoleId(sysRole.Id);
            _sysRoleRep.CurrentCommitTran();
        }
        catch (Exception)
        {
            _sysRoleRep.CurrentRollbackTran();
            throw;
        }

       
    }

    /// <summary>
    /// 更新角色
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("/sysRole/edit")]
    public async Task UpdateRole(UpdateRoleInput input)
    {
        var role = await _sysRoleRep.FirstOrDefaultAsync(u => u.Id == input.Id);
        if (role.IsNullOrZero())
            throw Oops.Oh(ErrorCode.D1002);
        if (role.RoleType == RoleType.AdminRole)
            throw Oops.Oh("请勿修改管理员角色");
        if (await _sysRoleRep.IsExistsAsync(u => (u.Name == input.Name || u.Code == input.Code) && u.Id != input.Id))
            throw Oops.Oh(ErrorCode.D1006);
        var sysRole = input.Adapt<SysRole>();
        await _sysRoleRep.AsUpdateable(sysRole).IgnoreColumns(ignoreAllNullColumns: true).IgnoreColumns(u => new { u.DataScopeType }).ExecuteCommandAsync();
     
    }

    /// <summary>
    /// 获取角色
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpGet("/sysRole/detail")]
    public async Task<SysRole> GetRoleInfo([FromQuery] QueryRoleInput input)
    {
        return await _sysRoleRep.FirstOrDefaultAsync(u => u.Id == input.Id);
    }

    /// <summary>
    /// 授权角色菜单
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("/sysRole/grantMenu")]
    public async Task GrantMenu(GrantRoleMenuInput input)
    {
        await _sysRoleMenuService.GrantMenu(input);
    }

    /// <summary>
    /// 授权角色数据范围
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpPost("/sysRole/grantData")]
    public async Task GrantData(GrantRoleDataInput input)
    {
        // 清除所有用户数据范围缓存
        await _sysCacheService.DelByPatternAsync(CommonConst.CACHE_KEY_DATASCOPE);

        var role = await _sysRoleRep.FirstOrDefaultAsync(u => u.Id == input.Id);
        var dataScopeType = input.DataScopeType;
        if (!UserManager.IsSuperAdmin)
        {
            //如果授权的角色的数据范围类型为全部，则没权限，只有超级管理员有
            //if (DataScopeType.ALL == dataScopeType)
            //    throw Oops.Oh(ErrorCode.D1016);

            //如果授权的角色数据范围类型为自定义，则要判断授权的数据范围是否在自己的数据范围内
            if (DataScopeType.DEFINE == dataScopeType)
            {
                var dataScopes = await DataFilterExtensions.GetDataScopeIdList(FilterType.Org);
                var grantOrgIdList = input.GrantOrgIdList; //要授权的数据范围列表
                if (grantOrgIdList.Count > 0)
                {
                    if (dataScopes.Count < 1)
                        throw Oops.Oh(ErrorCode.D1016);
                    else if (!dataScopes.All(u => grantOrgIdList.Any(c => c == u)))
                        throw Oops.Oh(ErrorCode.D1016);
                }
            }
        }
        role.DataScopeType = dataScopeType;
        await _sysRoleDataScopeService.GrantDataScope(input);
        await _sysCacheService.DelByPatternAsync(CommonConst.CACHE_KEY_USERSDATASCOPE);
        await _sysCacheService.DelByPatternAsync(CommonConst.CACHE_KEY_DATASCOPE);
    }

    /// <summary>
    /// 根据角色Id集合获取数据范围Id集合
    /// </summary>
    /// <param name="roleIdList"></param>
    /// <param name="orgId"></param>
    /// <returns></returns>
    [NonAction]
    public async Task<List<long>> GetUserDataScopeIdList(List<long> roleIdList, long orgId)
    {
        // 定义角色中最大数据范围的类型，目前按最大范围策略来，如果你同时拥有ALL和SELF的权限，最后按ALL返回
        int strongerDataScopeType = (int)DataScopeType.SELF;

        var customDataScopeRoleIdList = new List<long>();
        if (roleIdList != null && roleIdList.Count > 0)
        {
            var roles = await _sysRoleRep.Where(u => roleIdList.Contains(u.Id)).ToListAsync();
            roles.ForEach(u =>
            {
                if (u.DataScopeType == DataScopeType.DEFINE)
                    customDataScopeRoleIdList.Add(u.Id);
                else if ((int)u.DataScopeType <= strongerDataScopeType)
                    strongerDataScopeType = (int)u.DataScopeType;
            });
        }

        // 自定义数据范围的角色对应的数据范围
        var roleDataScopeIdList = await _sysRoleDataScopeService.GetRoleDataScopeIdList(customDataScopeRoleIdList);

        // 角色中拥有最大数据范围类型的数据范围
        var dataScopeIdList = await _sysOrgService.GetDataScopeListByDataScopeType(strongerDataScopeType, orgId);

        return roleDataScopeIdList.Concat(dataScopeIdList).Distinct().ToList(); //并集
    }

    /// <summary>
    /// 根据角色Id获取角色名称
    /// </summary>
    /// <param name="roleId"></param>
    /// <returns></returns>
    [NonAction]
    public async Task<string> GetNameByRoleId(long roleId)
    {
        var role = await _sysRoleRep.FirstOrDefaultAsync(u => u.Id == roleId);
        if (role == null)
            throw Oops.Oh(ErrorCode.D1002);
        return role.Name;
    }

    /// <summary>
    /// 获取角色拥有菜单Id集合
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpGet("/sysRole/ownMenu")]
    public async Task<List<OwnMenuOutput>> OwnMenu([FromQuery] QueryRoleInput input)
    {
        //return await _sysRoleMenuService.GetRoleMenuIdList(new List<long> { input.Id });
        var menuList = await _sysRoleRep.Change<SysRoleMenu>().AsQueryable().LeftJoin<SysMenu>((t1, t2) => t1.SysMenuId == t2.Id)
            .Where(t1 => t1.SysRoleId == input.Id)
            .Select((t1, t2) => new SysMenu { Id = t1.SysMenuId, Application = t2.Application }).ToListAsync();

        // 拿出所有应用编码
        var appCodeList = menuList.Select(sl => sl.Application).Distinct().ToList();

        return appCodeList.Select(appCode => new OwnMenuOutput
        {
            AppCode = appCode,
            MenuIdList = menuList.FindAll(f => f.Application == appCode).Select(sl => sl.Id).ToList()
        }).ToList();
    }

    /// <summary>
    /// 获取角色拥有数据Id集合
    /// </summary>
    /// <param name="input"></param>
    /// <returns></returns>
    [HttpGet("/sysRole/ownData")]
    public async Task<List<long>> OwnData([FromQuery] QueryRoleInput input)
    {
        return await _sysRoleDataScopeService.GetRoleDataScopeIdList(new List<long> { input.Id });
    }
}