using Dlhis.Basic.Device.Request;
using Dlhis.Basic.Device.Response;
using Dlhis.Entity.Basic.Entity;
using Dlhis.Entity.Device.Entities;
using Kurisu.AspNetCore.Utils.Extensions;
using Kurisu.Core.DataAccess.Dto;
using Kurisu.SqlSugar.Extensions;
using Kurisu.SqlSugar.Services;
using Mapster;

namespace Dlhis.Basic.Device.Services.Implements;

public class DeviceGroupService : IDeviceGroupService
{
    private readonly IDbContext _dbContext;

    public DeviceGroupService(IDbContext dbContext)
    {
        _dbContext = dbContext;
    }

    public async Task<Pagination<DeviceGroupPageResponse>> GetPageAsync(DeviceGroupPageRequest request)
    {
        return await _dbContext.Queryable<DeviceGroupEntity>()
               .WhereIF(request.Search.IsPresent(), x => x.Name.Contains(request.Search))
               .Select<DeviceGroupPageResponse>()
               .ToPageListAsync(request);
    }

    public async Task SaveAsync(DeviceGroupSaveRequest request)
    {
        if (!request.Id.HasValue)
        {
            var entity = request.Adapt<DeviceGroupEntity>();

            entity.Code = Guid.NewGuid();
            await _dbContext.InsertAsync(entity);
        }
        else
        {
            var entity = await _dbContext.Queryable<DeviceGroupEntity>().Where(x => x.Id == request.Id).FirstAsync();
            entity.ThrowIfNull("设备组不存在,无法更新");
            await _dbContext.UpdateAsync(entity);
        }
    }

    public async Task DeleteAsync(long id)
    {
        var deviceGroup = await _dbContext.Queryable<DeviceGroupEntity>().Where(x => x.Id == id).FirstAsync();
        deviceGroup.ThrowIfNull("设备组不存在,无需删除");

        await _dbContext.DeleteAsync(deviceGroup);
    }

    public async Task AssignDevicesAsync(AssignDevicesRequest request)
    {
        var group = await _dbContext.Queryable<DeviceGroupEntity>().Where(x => x.Code == request.GroupCode).FirstAsync();
        group.ThrowIfNull("设备组不存在");

        if (!request.DeviceCodes.Any())
        {
            //todo 删除时候判断权限是否分配

            var relationships = await _dbContext.Queryable<DeviceGroupRelationshipEntity>().Where(x => x.GroupCode == request.GroupCode).ToListAsync();
            await _dbContext.DeleteAsync(relationships);
        }
        else
        {
            var entities = request.DeviceCodes.Select(x => new DeviceGroupRelationshipEntity
            {
                GroupCode = request.GroupCode,
                DeviceCode = x

            }).ToList();

            await _dbContext.InsertAsync(entities);
        }

        //todo 生成下发任务
    }

    public async Task<List<DeviceUnderGroupResponse>> GetDevicesAsync(Guid code)
    {
        var relationships = await _dbContext.Queryable<DeviceGroupRelationshipEntity>().Where(x => x.GroupCode == code).ToListAsync();
        var deviceCodes = relationships.Select(x => x.DeviceCode);

        return await _dbContext.Queryable<DeviceEntity>()
               .Where(x => deviceCodes.Contains(x.Code))
               .Select<DeviceUnderGroupResponse>()
               .ToListAsync();

    }
}