using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text.Json;
using System.Threading.Tasks;
using Erp.Platform.Entities;
using Erp.Platform.Enums;
using Erp.Platform.ListForms;
using Microsoft.EntityFrameworkCore;
using Volo.Abp.Domain.Repositories;

namespace Erp.Platform.Data.Seeds;

public class SeederUtils
{
    private readonly IRepository<ListForm, Guid> _listFormRepository;
    private readonly IRepository<ListFormField, Guid> _listFormFieldRepository;

    public SeederUtils(
        IRepository<ListForm, Guid> listFormRepository,
        IRepository<ListFormField, Guid> listFormFieldRepository)
    {
        _listFormRepository = listFormRepository;
        _listFormFieldRepository = listFormFieldRepository;
    }

    public static string GetDefaultFormCodes(string listFormCode) => "form-" + listFormCode;

    public async Task CloneFormLayoutAsync(string listFormCode, string subFormsJson)
    {
        var newListFormCode = GetDefaultFormCodes(listFormCode);
        var cloneForm = await CloneListFormWithFieldsAsync(listFormCode, newListFormCode);

        if (cloneForm != null)
        {
            await SetSubFormsJsonAsync(cloneForm, subFormsJson);
        }
        else
        {
            Console.WriteLine($"ListForm with code {listFormCode} not found!");
        }
    }

    public async Task<ListForm> CloneListFormWithFieldsAsync(string listFormCode, string newListFormCode, bool copyFormFields = true)
    {
        var listForm = await _listFormRepository.FirstOrDefaultAsync(f => f.ListFormCode == listFormCode);
        if (listForm == null)
        {
            Console.WriteLine($"ListForm with code {listFormCode} not found!");
            
            return null;
        }

        var targetForm = await _listFormRepository.FirstOrDefaultAsync(f => f.ListFormCode == newListFormCode);
        if (targetForm == null)
        {
            var insertForm = new ListForm
            {
                ListFormCode = newListFormCode,
                SubFormsJson = listForm.SubFormsJson,
                ListFormType = listForm.ListFormType,
                IsSubForm = listForm.IsSubForm,
                ShowNote = listForm.ShowNote,
                LayoutJson = listForm.LayoutJson,
                CultureName = listForm.CultureName,
                Name = listForm.Name,
                Title = listForm.Title,
                DataSourceCode = listForm.DataSourceCode,
                IsTenant = listForm.IsTenant,
                IsBranch = listForm.IsBranch,
                IsOrganizationUnit = listForm.IsOrganizationUnit,
                Description = listForm.Description,
                SelectCommandType = listForm.SelectCommandType,
                SelectCommand = listForm.SelectCommand,
                KeyFieldName = listForm.KeyFieldName,
                KeyFieldDbSourceType = listForm.KeyFieldDbSourceType,
                DefaultFilter = listForm.DefaultFilter,
                SortMode = listForm.SortMode,
                PermissionJson = listForm.PermissionJson,
                DeleteCommand = listForm.DeleteCommand,
                DeleteFieldsDefaultValueJson = listForm.DeleteFieldsDefaultValueJson,
                EditingOptionJson = listForm.EditingOptionJson,
                EditingFormJson = listForm.EditingFormJson,
                InsertFieldsDefaultValueJson = listForm.InsertFieldsDefaultValueJson,
                FormFieldsDefaultValueJson = listForm.FormFieldsDefaultValueJson,
                CommandColumnJson = listForm.CommandColumnJson,
                InsertServiceAddress = listForm.InsertServiceAddress,
                UpdateServiceAddress = listForm.UpdateServiceAddress,
                FilterRowJson = listForm.FilterRowJson,
                HeaderFilterJson = listForm.HeaderFilterJson,
                SearchPanelJson = listForm.SearchPanelJson,
                GroupPanelJson = listForm.GroupPanelJson,
                SelectionJson = listForm.SelectionJson,
                ColumnOptionJson = listForm.ColumnOptionJson,
                PagerOptionJson = listForm.PagerOptionJson,
            };

            // insert cloned form
            targetForm = await _listFormRepository.InsertAsync(insertForm, autoSave: true);
        }

        if (copyFormFields)
        {
            var targetFormFields = await _listFormFieldRepository.GetListAsync(f => f.ListFormCode == listFormCode);
            if (targetFormFields != null && targetFormFields.Count > 0)
            {
                var clonedFields = new List<ListFormField>();
                foreach (var f in targetFormFields)
                {
                    var newField = new ListFormField
                    {
                        ListFormCode = newListFormCode,
                        CultureName = f.CultureName,
                        SourceDbType = f.SourceDbType,
                        FieldName = f.FieldName,
                        Width = f.Width,
                        ListOrderNo = f.ListOrderNo,
                        Visible = f.Visible,
                        IsActive = f.IsActive,
                        IsDeleted = f.IsDeleted,
                        AllowSearch = f.AllowSearch,
                        LookupJson = f.LookupJson,
                        ColumnCustomizationJson = f.ColumnCustomizationJson,
                        PermissionJson = f.PermissionJson,
                        PivotSettingsJson = f.PivotSettingsJson,
                        ValidationRuleJson = f.ValidationRuleJson,
                        EditorOptions = f.EditorOptions,
                        SortIndex = f.SortIndex,
                        SortDirection = f.SortDirection,
                    };
                    clonedFields.Add(newField);
                }

                await _listFormFieldRepository.InsertManyAsync(clonedFields, autoSave: true);
            }
        }

        return targetForm;
    }

    private async Task SetSubFormsJsonAsync(ListForm listForm, string subFormsJson)
    {
        listForm.ListFormType = ListFormTypeEnum.Form;
        listForm.SubFormsJson = subFormsJson;
        await _listFormRepository.UpdateAsync(listForm, autoSave: true);

        //Eksik olan form alanlarını ekle
        var subForms = JsonSerializer.Deserialize<List<SubFormDto>>(subFormsJson);
        if (subForms != null)
        {
            foreach (var subForm in subForms)
            {
                foreach (var sf in subForm.Relation)
                {
                    var parentFieldName = sf.ParentFieldName;
                    var dbType = sf.DbType;

                    await InsertListFormFieldAsync(
                        listForm.ListFormCode,
                        parentFieldName,
                        dbType
                    );

                    var childListFormCode = subForm.Code;
                    var childFieldName = sf.ChildFieldName;

                    await InsertListFormFieldAsync(
                        childListFormCode,
                        childFieldName,
                        dbType
                    );
                }
            }
        }
    }

    private async Task InsertListFormFieldAsync(string listFormCode, string fieldName, DbType dbType)
    {
        var form = await _listFormRepository.FirstOrDefaultAsync(f => f.ListFormCode == listFormCode);
        var fieldQuery = await _listFormFieldRepository.GetQueryableAsync();

        var formField = await fieldQuery.FirstOrDefaultAsync(f => f.ListFormCode == listFormCode && f.FieldName == fieldName);
        if (formField == null)
        {
            var listOrderNo = await fieldQuery.Where(f => f.ListFormCode == listFormCode).MaxAsync(a => a.ListOrderNo) ?? 0;
            var field = new ListFormField
            {
                CultureName = PlatformConsts.DefaultLanguage,
                ListFormCode = listFormCode,
                SourceDbType = dbType,
                FieldName = fieldName,
                ListOrderNo = listOrderNo + 1,
                Visible = false,
                IsActive = true,
                IsDeleted = false,
                SortIndex = 0,
                PermissionJson = JsonSerializer.Serialize(new ListFormFieldPermissionDto
                {
                    C = form.Name + ".Create",
                    R = form.Name,
                    U = form.Name + ".Update",
                    E = true,
                    I = false,
                    Deny = false
                }),
            };

            await _listFormFieldRepository.InsertAsync(field, autoSave: true);
        }
    }
}