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

namespace Dlhis.Basic.Device.Services.Implements;

public class DeviceTimePeriodService : IDeviceTimePeriodService
{
    private readonly IDbContext _dbContext;

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

    /// <inheritdoc />
    public async Task<Pagination<DeviceTimePeriodPageResponse>> GetPageAsync(DeviceTimePeriodPageRequest request)
    {
        var page = await _dbContext.Queryable<DeviceTimePeriodEntity>()
            .Where(x => x.AssignType == request.AssignType)
            .GroupBy(x => new { x.AssignType, x.Value })
            .Select(x => new DeviceTimePeriodPageResponse
            {
                AssignType = x.AssignType,
                Value = x.Value
            })
            .ToPageListAsync(request);

        var values = page.Data.Select(x => x.Value);
        var data = request.AssignType == DeviceTimePeriodAssignEnumType.Device
            ? await _dbContext.Queryable<DeviceEntity>().Where(x => values.Contains(x.Code)).Select(x => new { x.Code, Name = x.DeployPlace }).ToListAsync()
            : await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => values.Contains(x.Code)).Select(x => new { x.Code, x.Name }).ToListAsync();

        page.Data.ForEach(item => { item.Name = data.FirstOrDefault(x => x.Code == item.Value)?.Name; });

        return page;
    }

    /// <inheritdoc />
    public async Task SaveAsync(DeviceTimePeriodSaveRequest request)
    {
        (await _dbContext.Queryable<BasicTypeEntity>().Where(x => x.Type == "timeperiod").AnyAsync(x => x.Code == request.CardType.ToString()))
            .ThrowIfFalse($"卡类型{request.CardType}不支持");

        var existsData = request.AssignType == DeviceTimePeriodAssignEnumType.Device
            ? await _dbContext.Queryable<DeviceEntity>().Where(x => x.Code == request.Value).AnyAsync()
            : await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => x.Code == request.Value).AnyAsync();
        existsData.ThrowIfFalse("数据不匹配分配类型");

        (await _dbContext.Queryable<DeviceTimePeriodEntity>()
            .Where(x => x.CardType == request.CardType)
            .Where(x => x.AssignType == request.AssignType)
            .Where(x => x.Value == request.Value)
            .WhereIF(request.Id.HasValue, x => x.Id != request.Id)
            .AnyAsync()).ThrowIfTrue("请勿重复添加");

        await GenerateDeviceTimePeriodTasksAsync(async () =>
        {
            if (!request.Id.HasValue)
            {
                var entity = request.Adapt<DeviceTimePeriodEntity>();
                entity.CardType = request.CardType;
                entity.AssignType = request.AssignType;
                entity.Value = request.Value;
                await _dbContext.InsertAsync(entity);
            }
            else
            {
                var entity = await _dbContext.Queryable<DeviceTimePeriodEntity>().Where(x => x.Id == request.Id).SingleAsync();
                request.Adapt(entity);

                await _dbContext.UpdateAsync(entity);
            }
        });
    }

    /// <inheritdoc />
    public async Task<List<DeviceTimePeriodResponse>> GetListAsync(DeviceTimePeriodAssignEnumType assignType, Guid value)
    {
        var data = await _dbContext.Queryable<DeviceTimePeriodEntity>()
            .Where(x => x.AssignType == assignType && x.Value == value)
            .Select<DeviceTimePeriodEntity>()
            .ToListAsync();

        var result = data.Adapt<List<DeviceTimePeriodResponse>>();

        var values = data.Select(x => x.Value);
        var assignData = assignType == DeviceTimePeriodAssignEnumType.Device
            ? await _dbContext.Queryable<DeviceEntity>().Where(x => values.Contains(x.Code)).Select(x => new { x.Code, Name = x.DeployPlace }).ToListAsync()
            : await _dbContext.Queryable<DeviceTemplateEntity>().Where(x => values.Contains(x.Code)).Select(x => new { x.Code, x.Name }).ToListAsync();

        var basicTypes = await _dbContext.Queryable<BasicTypeEntity>().Where(x => x.Type == "timeperiod").ToListAsync();

        result.ForEach(item =>
        {
            item.Name = assignData.FirstOrDefault(x => x.Code == item.Value)?.Name;
            item.CardTypeDesc = basicTypes.FirstOrDefault(x => x.Code == item.CardType.ToString())?.Display;
        });

        return result;
    }

    /// <inheritdoc />
    public async Task DeleteCardTypeAsync(DeviceTimePeriodDeleteCardTypeRequest request)
    {
        await GenerateDeviceTimePeriodTasksAsync(async () =>
        {
            var entity = await _dbContext.Queryable<DeviceTimePeriodEntity>()
                .Where(x => x.CardType == request.CardType)
                .Where(x => x.AssignType == request.AssignType)
                .Where(x => x.Value == request.Value)
                .SingleAsync();

            entity.ThrowIfNull("数据不存在");
            await _dbContext.DeleteReallyAsync(entity);
        });
    }


    public async Task GenerateDeviceTimePeriodTasksAsync(Func<Task> func)
    {
        var cardTypes = await _dbContext.Queryable<BasicTypeEntity>().Where(x => x.Type == "timeperiod").Select(x => SqlFunc.ToInt32(x.Code)).ToListAsync();

        var before = await GetSettingsAsync();
        await func();
        var current = await GetSettingsAsync();

        var tasks = new List<DeviceTaskEntity>();

        var deviceUniqueNos = before.Keys.ToList().Concat(current.Keys).Distinct().ToList();
        var devices = await _dbContext.Queryable<DeviceEntity>().Where(x => deviceUniqueNos.Contains(x.UniqueNo)).ToListAsync();
        foreach (var device in devices)
        {
            var deviceUniqueNo = device.UniqueNo;

            before.TryGetValue(deviceUniqueNo, out var beforeDtos);
            beforeDtos ??= new List<DeviceTimePeriodEntity>(0);

            current.TryGetValue(deviceUniqueNo, out var currentDtos);
            currentDtos ??= new List<DeviceTimePeriodEntity>(0);

            if (beforeDtos.Count != currentDtos.Count)
            {
                tasks.Add(new DeviceTaskEntity
                {
                    Type = beforeDtos.Count < currentDtos.Count ? DeviceTaskEnumType.TimePeriodAdd : DeviceTaskEnumType.TimePeriodDelete,
                    DeviceType = device.Type,
                    UserId = null,
                    UserNo = null,
                    DeviceUniqueNo = deviceUniqueNo,
                    Status = DeviceTaskStatusEnumType.Wait,
                    Version = 0,
                    CancellationId = 0,
                    Source = DeviceTaskSourceEnumType.Manually,
                    Priority = 90,
                    TenantId = device.TenantId,
                });

                continue;
            }

            foreach (var cardType in cardTypes)
            {
                var b = beforeDtos.FirstOrDefault(x => x.CardType == cardType);
                if (b == null)
                {
                    continue;
                }

                var c = currentDtos.First(x => x.CardType == cardType);

                if (b.ToJson() == c.ToJson())
                {
                    continue;
                }

                tasks.Add(new DeviceTaskEntity
                {
                    Type = DeviceTaskEnumType.TimePeriodAdd,
                    DeviceType = device.Type,
                    UserId = null,
                    UserNo = null,
                    DeviceUniqueNo = deviceUniqueNo,
                    Status = DeviceTaskStatusEnumType.Wait,
                    Version = 0,
                    CancellationId = 0,
                    Source = DeviceTaskSourceEnumType.Manually,
                    Priority = 90,
                    TenantId = device.TenantId
                });

                break;
            }
        }

        await _dbContext.InsertAsync(tasks);
    }

    private async Task<Dictionary<string, List<DeviceTimePeriodEntity>>> GetSettingsAsync()
    {
        var timePeriods = await _dbContext.Queryable<DeviceTimePeriodEntity>().ToListAsync();

        var templateCodes = timePeriods.Where(x => x.AssignType == DeviceTimePeriodAssignEnumType.Template).Select(x => x.Value).Distinct().ToList();
        var deviceCodes = timePeriods.Where(x => x.AssignType == DeviceTimePeriodAssignEnumType.Device).Select(x => x.Value).ToList();

        var devices = await _dbContext.Queryable<DeviceEntity>()
            .Where(x => !SqlFunc.IsNullOrEmpty(x.TemplateCode))
            .Where(x => templateCodes.Contains(x.TemplateCode.Value) || deviceCodes.Contains(x.Code))
            .Where(x => x.Enable && x.EnableTimePeriod)
            .ToListAsync();

        return devices.Select(x =>
        {
            var tSettings = timePeriods
                .Where(item => item.AssignType == DeviceTimePeriodAssignEnumType.Template && item.Value == x.TemplateCode)
                .ToList();

            var dSettings = timePeriods
                .Where(item => item.AssignType == DeviceTimePeriodAssignEnumType.Device && item.Value == x.Code)
                .ToList();

            foreach (var setting in dSettings)
            {
                var s = tSettings.FirstOrDefault(item => item.CardType == setting.CardType);
                if (s != null)
                {
                    tSettings.Remove(s);
                }

                tSettings.Add(setting);
            }

            return new
            {
                x.UniqueNo, tSettings
            };
        }).ToDictionary(x => x.UniqueNo, x => x.tSettings);
    }
}