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.ListForms;
using Microsoft.EntityFrameworkCore;
using Volo.Abp.Domain.Repositories;

namespace Erp.Platform.Data.Seeds;

public class SeederUtils : IDisposable
{
    public async Task<ListForm> CloneListFormWithFieldsAsync(
        IRepository<ListForm, Guid> listFormRepository,
        IRepository<ListFormField, Guid> listFormFieldRepository,
        string listFormCode,
        string subFormsJson)
    {
        // load source form
        var listForm = await listFormRepository.FirstOrDefaultAsync(f => f.ListFormCode == listFormCode);
        if (listForm == null)
        {
            return null;
        }

        string formCode = GetDefaultFormCodes(listFormCode);

        var targetForm = await listFormRepository.FirstOrDefaultAsync(f => f.ListFormCode == formCode);
        if (targetForm == null)
        {
            // create a shallow copy of the source form and set the target code
            var insertForm = new ListForm
            {
                ListFormCode = formCode,
                SubFormsJson = subFormsJson, //Özelleştirilmiş 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);
        }

        // copy fields
        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 = formCode,
                    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);
        }

        //Subform içerisindeki ParentFieldName ve ChildFieldName alanlarına göre eksik olan fieldları 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(
                        listFormRepository,
                        listFormFieldRepository,
                        listFormCode,
                        parentFieldName,
                        dbType
                    );

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

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

        return targetForm;
    }

    private async Task InsertListFormFieldAsync(
        IRepository<ListForm, Guid> listFormRepository,
        IRepository<ListFormField, Guid> listFormFieldRepository,
        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);
        }
    }

    public string GetDefaultFormCodes(string listCode)
    {
        return listCode.Replace("list-", "form-");
    }

    private bool _disposed;

    public void Dispose()
    {
        Dispose(true);
        GC.SuppressFinalize(this);
    }

    protected virtual void Dispose(bool disposing)
    {
        if (_disposed)
        {
            return;
        }

        if (disposing)
        {
            // If the class ever holds disposable fields, dispose them here.
            // Currently SeederUtils does not own any IDisposable resources.
        }

        _disposed = true;
    }
}