using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace AyaNovaQBI
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
            InitDataSet();
            Icon = AyaNovaQBI.Properties.Resources.logo;
        }

        async private void MainForm_Load(object sender, EventArgs e)
        {

            //Initialize
            StringBuilder initErrors = new StringBuilder();
            if (await util.InitializeQBI(initErrors) == false)
            {
                if (initErrors.Length > 0)
                {
                    if (util.LOG_AVAILABLE) await util.IntegrationLog(initErrors.ToString());
                    await Task.Run(() => MessageBox.Show($"AyaNova QBI was unable to start:\r\n{initErrors.ToString()}"));
                }
                Close();
                return;
            }

            //Confirm main settings and set any that are missing:
            if (await util.ValidateSettings(false) == util.pfstat.Cancel)
            {
                await util.IntegrationLog("PFC: User settings not completed, user selected cancel");
                Close();
                return;
            }

            Text = "AyaNova QBI - " + util.QCompanyName;

            //See if there are *any* data mappings, if not then we will prompt the user to start that process
            if (util.QBIntegration.Items.Count == 0)
            {
                //show message about mapping
                MessageBox.Show(
                    "AyaNova QBI now needs you to map data between QuickBooks and AyaNova.",
                    "Setup mapping", MessageBoxButtons.OK, MessageBoxIcon.Information);

                Map m = new Map();
                if (m.ShowDialog() == DialogResult.Abort)
                    Close();

            }
            //Display billable workorders
            InitInvoices();

            grid.Visible = true;
            menuStrip1.Enabled = true;
        }

        private void grid_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            if (e.ColumnIndex == grid.Columns["Status"].Index
            && e.Value != null)
            {
                var isLinked = (bool)grid.Rows[e.RowIndex].Cells["linked"].Value;

                if (!isLinked)
                {
                    grid.Rows[e.RowIndex].ErrorText = "Not invoiceable: use \"Invoice\" -> \"Fix problems\" to resolve";
                }
                else
                {
                    grid.Rows[e.RowIndex].ErrorText = null;
                }

            }

        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Close();
        }

        private void multipleWorkordersPerInvoiceToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (grid.SelectedRows.Count < 1)
            {
                MessageBox.Show("There are no rows selected, select one or more rows to invoice");
                return;
            }
            MessageBox.Show($"STUB: MULTIPLEwoperinvoice {grid.SelectedRows.Count} rows selected");
        }

        private void oneWorkOrderPerInvoiceToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (grid.SelectedRows.Count < 1)
            {
                MessageBox.Show("There are no rows selected, select one or more rows to invoice");
                return;
            }

            MessageBox.Show($"STUB: onwoperinvoice {grid.SelectedRows.Count} rows selected");

        }

        private void fixProblemsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("STUB: FIX PROBLEMS");
        }

        private void refreshInvoicesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("STUB: REFRESH INVOICES");
        }

        private async void preferencesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            await util.ValidateSettings(true);
        }

        private void mapAndImportToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Map m = new Map();
            if (m.ShowDialog() == DialogResult.Abort)
                Close();
            else
            {
                m.Dispose();
                InitInvoices();
            }
        }

        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Assembly a = Assembly.GetExecutingAssembly();
            string sVersion = "AyaNova QBI version " + util.DisplayVersion(a.GetName().Version) + "\r\n";
            System.Diagnostics.FileVersionInfo fileVersion = System.Diagnostics.FileVersionInfo.GetVersionInfo(a.Location);
            if (fileVersion.FileBuildPart > 0)
                sVersion += " (Patch " + fileVersion.FileBuildPart.ToString() + ")\r\n";
            sVersion += "Copyright 2000-2022 Ground Zero Tech-Works Inc.\r\n";
            MessageBox.Show(sVersion, "About");
        }


        private void onlineManualToolStripMenuItem_Click(object sender, EventArgs e)
        {
            util.OpenWebURL("https://ayanova.com/qbi/docs");
        }

        private async void refreshCachedDataToolStripMenuItem_Click(object sender, EventArgs e)
        {
            await util.PopulateQBListCache();
            await util.PopulateAyaListCache();
        }

        private async void invoiceDescriptiveTextTemplateToolStripMenuItem_Click(object sender, EventArgs e)
        {
            InvoiceTemplateBuilder b = new InvoiceTemplateBuilder();
            b.ShowDialog();
            if (util.QDat.IsDirty)
                await util.SaveIntegrationObject();

            b.Dispose();
        }


        #region DataSet stuff
        private DataSet dsInvoices;
        private DataTable Invoices;
        private DataColumn Client;
        private DataColumn WorkingID;
        private DataColumn Linked;
        private DataColumn ClientID;
        private DataTable Workorders;
        private DataColumn InvoiceWorkingID;
        private DataColumn WorkorderID;
        private DataColumn wostatus;
        private DataColumn ServiceNumber;
        private DataColumn ServiceDate;
        private DataColumn Project;
        private DataColumn StatusARGB;
        private DataColumn dataColumn1;
        private void InitDataSet()
        {
            dsInvoices = new DataSet();
            Invoices = new DataTable();
            Client = new DataColumn();
            WorkingID = new DataColumn();
            Linked = new DataColumn();
            ClientID = new DataColumn();
            Workorders = new DataTable();
            InvoiceWorkingID = new DataColumn();
            WorkorderID = new DataColumn();
            wostatus = new DataColumn();
            ServiceNumber = new DataColumn();
            ServiceDate = new DataColumn();
            Project = new DataColumn();
            StatusARGB = new DataColumn();
            dataColumn1 = new DataColumn();
            // 
            // dsInvoices
            // 
            dsInvoices.DataSetName = "Invoices";
            dsInvoices.Locale = new System.Globalization.CultureInfo("en-US");
            dsInvoices.Relations.AddRange(new DataRelation[] {
            new DataRelation("Relation1", "Invoices", "Workorders", new string[] {
                        "WorkingID"}, new string[] {
                        "InvoiceWorkingID"}, false)});
            dsInvoices.Tables.AddRange(new DataTable[] {
            Invoices,
            Workorders});
            // 
            // Invoices
            // 
            Invoices.Columns.AddRange(new DataColumn[] {
            Client,
            WorkingID,
            Linked,
            ClientID});
            Invoices.Constraints.AddRange(new Constraint[] {
            new UniqueConstraint("Constraint1", new string[] {
                        "WorkingID"}, true)});
            Invoices.PrimaryKey = new DataColumn[] {
        WorkingID};
            Invoices.TableName = "Invoices";
            // 
            // Client
            // 
            Client.ColumnName = "Client";
            // 
            // WorkingID
            // 
            WorkingID.AllowDBNull = false;
            WorkingID.AutoIncrement = true;
            WorkingID.Caption = "WorkingID";
            WorkingID.ColumnName = "WorkingID";
            WorkingID.DataType = typeof(int);
            WorkingID.ReadOnly = true;
            // 
            // Linked
            // 
            Linked.Caption = "Linked";
            Linked.ColumnName = "Linked";
            Linked.DataType = typeof(bool);
            Linked.DefaultValue = false;
            // 
            // ClientID
            // 
            ClientID.Caption = "ClientID";
            ClientID.ColumnName = "ClientID";
            ClientID.DataType = typeof(System.Guid);
            // 
            // Workorders
            // 
            Workorders.Columns.AddRange(new DataColumn[] {
            InvoiceWorkingID,
            WorkorderID,
            wostatus,
            ServiceNumber,
            ServiceDate,
            Project,
            StatusARGB,
            dataColumn1});
            Workorders.Constraints.AddRange(new Constraint[] {
            new UniqueConstraint("Constraint1", new string[] {
                        "WorkorderID"}, true),
            new ForeignKeyConstraint("Relation1", "Invoices", new string[] {
                        "WorkingID"}, new string[] {
                        "InvoiceWorkingID"}, AcceptRejectRule.None, Rule.None, Rule.None)});
            Workorders.PrimaryKey = new DataColumn[] {
        WorkorderID};
            Workorders.TableName = "Workorders";
            // 
            // InvoiceWorkingID
            // 
            InvoiceWorkingID.Caption = "InvoiceWorkingID";
            InvoiceWorkingID.ColumnName = "InvoiceWorkingID";
            InvoiceWorkingID.DataType = typeof(int);
            // 
            // WorkorderID
            // 
            WorkorderID.AllowDBNull = false;
            WorkorderID.Caption = "WorkorderID";
            WorkorderID.ColumnName = "WorkorderID";
            WorkorderID.DataType = typeof(System.Guid);
            // 
            // wostatus
            // 
            wostatus.Caption = "Status";
            wostatus.ColumnName = "Status";
            // 
            // ServiceNumber
            // 
            ServiceNumber.Caption = "ServiceNumber";
            ServiceNumber.ColumnName = "ServiceNumber";
            ServiceNumber.DataType = typeof(int);
            // 
            // ServiceDate
            // 
            ServiceDate.Caption = "ServiceDate";
            ServiceDate.ColumnName = "ServiceDate";
            ServiceDate.DataType = typeof(object);
            // 
            // Project
            // 
            Project.Caption = "Project";
            Project.ColumnName = "Project";
            // 
            // StatusARGB
            // 
            StatusARGB.Caption = "StatusARGB";
            StatusARGB.ColumnName = "StatusARGB";
            StatusARGB.DataType = typeof(int);
            // 
            // dataColumn1
            // 
            dataColumn1.ColumnName = "Linked";
            dataColumn1.DataType = typeof(bool);
            dataColumn1.DefaultValue = false;
        }

        #endregion dataset stuff


        #region Main workorder grid

        /// <summary>
        /// Adjusts main form display to either show a list of billable workorders
        /// or a status indicating there are none and why
        /// </summary>
        private async Task SetState()
        {
            fixProblemsToolStripMenuItem.Enabled = _MisMatches.Count > 0;

            if (grid.Rows.Count > 0)
            {

                grid.Visible = true;
                lblStatus.Visible = false;
            }
            else
            {
                StringBuilder sb = new StringBuilder();
                sb.Append("No invoiceable work orders found in AyaNova\r\n\r\n");
                sb.Append("A work order is invoiceable and will be listed here if it has:\r\n");

                sb.Append("   - \"Invoice number\" field empty\r\n");
                if (util.QDat.PreWOStatus != 0)
                {
                    sb.Append("   - \"Work order status\" field set to: ");
                    var r = await util.GetAsync($"work-order-status/{util.QDat.PreWOStatus}");
                    var status = r.ObjectResponse["data"]["license"].ToObject<WorkOrderStatus>();
                    if (status != null)
                        sb.Append(status.Name);
                    else
                        sb.Append("UNKNOWN / MISSING STATUS - recently deleted?");

                    sb.Append("\r\n");
                    sb.Append("   (You can change this status under Tools->Preferences in the menu)");
                }
                else
                    sb.Append("   - any \"Locked\" type of Work order status set\r\n");

                lblStatus.Text = sb.ToString();

                grid.Visible = false;
                lblStatus.Visible = true;
            }
        }
        /*
         
        POST /api/v8.0/data-list
        {"offset":0,"limit":10,"dataListKey":"WorkOrderDataList","filterId":6,"clientTimeStamp":"2022-07-08T10:49:18.715-07:00"}
        
        data-list-column-view:
        {"userId":1,"listKey":"WorkOrderDataList","columns":"[\"WorkOrderSerialNumber\",\"Customer\",\"WorkOrderServiceDate\",\"WorkOrderCloseByDate\",\"WorkOrderStatus\",\"Project\",\"WorkOrderAge\",\"WorkOrderInvoiceNumber\"]","sort":"{\"WorkOrderSerialNumber\":\"-\"}"}
        
        data-list-filter
        filter	"[{\"column\":\"WorkOrderInvoiceNumber\",\"any\":false,\"items\":[{\"op\":\"=\",\"value\":\"*NULL*\"}]}]"
         
         */

        private List<WorkOrderAccountingListItem> _wolist = null;
        private List<util.MisMatch> _MisMatches = new List<util.MisMatch>();
        private List<long> _PartPriceOverrides = new List<long>();
        /// <summary>
        /// Initialize invoices dataset 
        /// from scratch.  If a previous
        /// initialize was done, wipe it and 
        /// repopulate from scratch
        /// </summary>
        private async Task InitInvoices()
        {
            Waiting w = new Waiting();
            w.Show();
            w.Ops = "Validating invoices...";
            try
            {
                _MisMatches.Clear();
                dsInvoices.Clear();
                //[HttpGet("accounting-list-billable/{workOrderStatusId}")]
                var r = await util.GetAsync($"accounting-list-billable/{util.QDat.PreWOStatus}");
                _wolist = r.ObjectResponse["data"].ToObject<List<WorkOrderAccountingListItem>>();


                DataTable dtInvoice = dsInvoices.Tables["Invoices"];
                DataTable dtWorkorder = dsInvoices.Tables["Workorders"];
                foreach (WorkorderServiceBillableList.WorkorderServiceBillableListInfo i in _wolist)
                {
                    bool bLinked = Util.ScanLinksOK(i.ID, _MisMatches, _PartPriceOverrides);

                    DataRow dri = InvoiceRowForClientID(i.ClientID);
                    w.Step = "WO: " + i.ServiceNumber;
                    if (dri == null)
                    {
                        dri = dtInvoice.NewRow();
                        dri["Client"] = i.Client;
                        dri["ClientID"] = i.ClientID;
                        dtInvoice.Rows.Add(dri);
                    }

                    //If any one single workorder is linked 
                    //then the invoice is flagged as linked because
                    //you can invoice out anything under it that is linked and the 
                    //not linked items simply won't invoice
                    if (bLinked)
                        dri["Linked"] = true;

                    DataRow drw = dtWorkorder.NewRow();
                    drw["InvoiceWorkingID"] = (int)dri["WorkingID"];
                    drw["WorkorderID"] = i.ID;
                    drw["Status"] = i.Status;
                    drw["ServiceNumber"] = i.ServiceNumber;
                    drw["ServiceDate"] = i.ServiceDate;
                    drw["Project"] = i.Project;
                    drw["StatusARGB"] = i.StatusARGB;

                    drw["Linked"] = bLinked;
                    dtWorkorder.Rows.Add(drw);



                }

                grid.DisplayLayout.Rows.CollapseAll(false);
                foreach (UltraGridRow r in grid.Rows)
                {
                    foreach (UltraGridRow rr in r.ChildBands[0].Rows)
                    {
                        if ((bool)rr.Cells["Linked"].Value == false)
                            r.Expanded = true;
                    }

                }
                grid.EndUpdate();
            }
            finally
            {
                w.Close();
            }

            SetState();
        }


        /// <summary>
        /// Helper for grouping workorders by client
        /// </summary>
        /// <param name="ClientID"></param>
        /// <returns>null if not found else datarow containing invoice for client</returns>
        private DataRow InvoiceRowForClientID(Guid ClientID)
        {
            foreach (DataRow r in dsInvoices.Tables["Invoices"].Rows)
            {
                if ((Guid)r["ClientID"] == ClientID)
                {
                    return r;

                }
            }
            return null;
        }




        private void InitializeGrid()
        {
            grid.DataSource = dsInvoices;
            string currentAssemblyDirectoryName = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);

            //Load the grid layout from file
            if (System.IO.File.Exists(currentAssemblyDirectoryName + "\\MainGrid.lyt"))
                grid.DisplayLayout.Load(currentAssemblyDirectoryName + "\\MainGrid.lyt");
            grid.DisplayLayout.Bands[0].Columns["WorkingID"].Hidden = true;
            grid.DisplayLayout.Bands[0].Columns["ClientID"].Hidden = true;
            grid.DisplayLayout.Bands[0].Columns["Linked"].Hidden = true;
            grid.DisplayLayout.Bands[0].Columns["Client"].Header.Caption = "Invoice";

            grid.DisplayLayout.Bands[1].Columns["InvoiceWorkingID"].Hidden = true;
            grid.DisplayLayout.Bands[1].Columns["WorkorderID"].Hidden = true;
            grid.DisplayLayout.Bands[1].Columns["StatusARGB"].Hidden = true;
            grid.DisplayLayout.Bands[1].Columns["Linked"].Hidden = true;
        }

        private void grid_InitializeRow(object sender, Infragistics.Win.UltraWinGrid.InitializeRowEventArgs e)
        {
            if (e.Row.Band.Index == 0)
            {
                //Prepare invoice row
                if ((bool)e.Row.Cells["Linked"].Value == true)
                {
                    e.Row.Cells["Client"].Appearance.Image = Util.AyaImage("OK16");//Util.Image("OK16.png");
                }
                else
                {
                    e.Row.Cells["Client"].Appearance.Image = Util.AyaImage("Cancel16");//Util.Image("Cancel16.png");
                }
            }
            else
            {
                //prepare workorder row

                //if backcolor==0 that means no color was set
                int nColor = (int)e.Row.Cells["StatusARGB"].Value;
                if (nColor != 0)
                {
                    e.Row.Cells["Status"].Appearance.BackColor = Color.FromArgb(nColor);
                    e.Row.Cells["Status"].Appearance.ForeColor = Util.InvertColor(Color.FromArgb(nColor));

                }

                //flag whether billable (linked) or not
                if ((bool)e.Row.Cells["Linked"].Value == true)
                {
                    e.Row.Cells["ServiceNumber"].Appearance.Image = Util.AyaImage("OK16");
                }
                else
                {
                    e.Row.Cells["ServiceNumber"].Appearance.Image = Util.AyaImage("Cancel16");
                }
            }

        }
        #endregion





    }//eoc
}//eons