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

namespace ddq
{
    public partial class PersonSelectionDialog : Form
    {

        private string companyId;
        public string PersonnelId { get; private set; }
        public string PersonnelName { get; private set; }
        public DateTime StartDate { get; private set; }

        private DataTable peopleDataTable;

        public PersonSelectionDialog(string companyId)
        {
            InitializeComponent();

            this.companyId = companyId;

            InitializeData();
        }


        private void InitializeData()
        {
            LoadPeopleList(companyId);
        }


        private void LoadPeopleList(string companyId)
        {
            peopleDataTable = DataAccess.Get_dd_personnel_info(null, companyId);

            InitPeopleListGrid(peopleDataTable);

        }

        private void InitPeopleListGrid(DataTable dataTable)
        {

            if (dataTable == null || dataTable.Rows.Count == 0)
            {
                this.lblMessageForNoStaff.Visible = true;

                return;
            }

            DataView dw = new DataView(dataTable);

            string filter = null;
            if (chkPM.Checked)
            {
                filter = "role = 'Portfolio Manager'";
                if (chkResearcher.Checked) { filter += "or role = 'Researcher'"; }
            } else if (chkResearcher.Checked) { filter = "role = 'Researcher'"; }

            dw.RowFilter = filter;

            this.grdStaffList.DataSource = dw;

            this.grdStaffList.Columns["personnel_id"].Visible = false;
            this.grdStaffList.Columns["company_id"].Visible = false;

            this.grdStaffList.Columns["name"].HeaderText = "Name";
            this.grdStaffList.Columns["role"].Visible = false;
            this.grdStaffList.Columns["title"].HeaderText = "Title";
            this.grdStaffList.Columns["industry_start_year"].Visible = false;
            this.grdStaffList.Columns["company_start_year"].HeaderText = "Company Start Year";
            this.grdStaffList.Columns["bio"].Visible = false;

        }


        private void btnOK_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.OK;
        }

        private void chkAll_CheckedChanged(object sender, EventArgs e)
        {
            
            this.chkPM.Checked = this.chkAll.Checked;
            this.chkResearcher.Checked = chkAll.Checked;

            InitPeopleListGrid(peopleDataTable);

        }

        private void chkPM_CheckedChanged(object sender, EventArgs e)
        {
            InitPeopleListGrid(peopleDataTable);
        }

        private void chkResearcher_CheckedChanged(object sender, EventArgs e)
        {
            InitPeopleListGrid(peopleDataTable);
        }

        private void grdStaffList_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
        }

        private void grdStaffList_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            int rowIndex = e.RowIndex;

            if (rowIndex < 0) return;

            DataRow row = ((DataView)this.grdStaffList.DataSource).Table.Rows[rowIndex];

            PersonnelId = row["personnel_id"].ToString();
            PersonnelName = row["name"].ToString();
            StartDate = DateTime.Today.AddDays(-1);
        }
    }
}