using System;
using System.CodeDom;
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 DataManager
{
    public partial class UICollectionTask : Form
    {


        private CollectionTask task = null;
        private string memo = string.Empty;

        // 模式：0-新任务，1-编辑已有任务, 2-指定公司的新任务
        private int mode = 0;


        public UICollectionTask(int userId)
        {
            task = new CollectionTask();

            task.UserId = userId;
            task.TaskType = 6; // 净值缺失
            task.TaskDate = DateTime.Now;
            task.Isvalid = 3; // 等待回复

            InitializeComponent();

            this.mode = 0;
            InitializeData();
        }

        public UICollectionTask(int userId, string providerId, string providerShortName)
        {
            task = new CollectionTask();

            task.UserId = userId;
            task.TaskType = 6; // 净值缺失
            task.TaskDate = DateTime.Now;
            task.Isvalid = 3; // 等待回复
            task.ProviderId = providerId;
            task.ProviderName = providerShortName;

            InitializeComponent();

            this.mode = 2;
            InitializeData();
        }



        public UICollectionTask(CollectionTask task)
        {
            this.task = task;

            InitializeComponent();

            this.mode = 1;
            InitializeData();

            memo = GetTaskMemo();
        }

        private void InitializeData()
        {
            this.Text = this.Text + "  " + (mode == 0 ? "新任务" : task.TaskId.ToString());

            BindingSource bs1 = new BindingSource();
            bs1.DataSource = UIConstants.CollectionTaskType;
            this.cmbTaskType.DataSource = bs1;
            this.cmbTaskType.DisplayMember = "Value";
            this.cmbTaskType.ValueMember = "Key";
            this.cmbTaskType.SelectedValue = (int)task.TaskType;
            // 已有任务不可以改变任务类型
            cmbTaskType.Enabled = (mode == 0 ? true : false);

            this.dtpTaskDate.Text = task.TaskDate.ToString();

            this.txtCompanyShortName.Text = task.ProviderName;

            switch (mode)
            {
                case 1:
                    this.cmbTaskType.Enabled = false;
                    this.dtpTaskDate.Enabled = false;
                    this.txtCompanyShortName.ReadOnly = true;
                    this.btnCompanySearch.Enabled = false;
                    this.txtEntityName.ReadOnly = true;
                    this.txtEntityName.Text = task.EntityName;
                    break;
                case 0:
                    this.btnDelTask.Visible = false;
                    break;
                case 2:
                    this.cmbTaskType.Enabled = true;
                    this.dtpTaskDate.Enabled = true;
                    this.txtCompanyShortName.ReadOnly = true;
                    this.btnCompanySearch.Enabled = false;
                    this.btnDelTask.Visible = false;
                    break;
            }

            BindingSource bs2 = new BindingSource();
            bs2.DataSource = UIConstants.CollectionTaskStatus;;
            this.cmbIsValid.DataSource = bs2;
            this.cmbIsValid.DisplayMember = "Value";
            this.cmbIsValid.ValueMember = "Key";
            this.cmbIsValid.SelectedValue = (int)task.Isvalid;

        }

        private string GetTaskMemo()
        {
            string memo = string.Empty;

            if (task != null && task.TaskId > 0)
            {
                DataTable dt = DataAccess.Get_dm_memo((sbyte)UIConstants.JobType.采集, task.TaskId);

                if (dt != null && dt.Rows.Count > 0)
                {
                    memo = dt.Rows[0]["memo"].ToString().Trim();
                }
            }

            txtMemo.Text = memo;

            return memo;
        }

        private void SaveTaskMemo()
        {
            string newMemo = txtMemo.Text.Trim();

            if (memo != newMemo)
            {
                DataAccess.Set_dm_memo((sbyte)UIConstants.JobType.采集, task.TaskId, newMemo, int.Parse(task.UserId.ToString()));
            }

            return;
        }

        private void btnSaveTask_Click(object sender, EventArgs e)
        {

            if (task.TaskId <= 0)
            {
                // need generate a new task id
            };

            if (task.ProviderId == null || task.ProviderId.Length != 10)
            {
                MessageBox.Show("还没输入公司呢...", "建议信息", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                txtCompanyShortName.Focus();
                return;
            }

            task.TaskType = Int16.Parse(cmbTaskType.SelectedValue.ToString());
            task.TaskDate = DateTime.Parse(dtpTaskDate.Text);
            task.Isvalid = SByte.Parse(cmbIsValid.SelectedValue.ToString());


            // 写回数据库时，新记录会INSERT记录并产生一个自增长的task_id
            task.TaskId = task.SaveToSQL(int.Parse(task.UserId.ToString()));
            
            SaveTaskMemo();

            this.DialogResult = DialogResult.OK;
            this.Close();

        }

        private void btnCompanySearch_Click(object sender, EventArgs e)
        {
            if (txtCompanyShortName.TextLength < 2)
            {
                MessageBox.Show("请输入至少两个字，不然结果太多看不过来 @@", "建议信息", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

                txtCompanyShortName.Focus();
                return;
            }

            // 只搜私募
            DataTable companys = DataAccess.Search_dm_company(UIConstants.CompanyType.FirstOrDefault(x=>x.Value=="私募证券投资").Key, txtCompanyShortName.Text.Trim());
            if (companys == null || companys.Rows.Count == 0)
            {
                MessageBox.Show("- - 没有找到结果，换个关键字试试？", "建议信息", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                txtCompanyShortName.Focus();
                return;

            }

            grdCompany.DataSource = companys;
            grdCompany.Columns["company_id"].Visible = false;
            grdCompany.Columns["company_name"].Visible = false;
            grdCompany.Columns["company_asset_size"].Visible = false;
            grdCompany.Columns["register_number"].Visible = false;
            grdCompany.Columns["establish_date"].Visible = false;

            grdCompany.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            grdCompany.Columns["company_short_name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
            grdCompany.Visible = true;

        }

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

            if (columnIndex < 0 || rowIndex < 0) return;

            task.ProviderId = grdCompany.Rows[rowIndex].Cells["company_id"].Value.ToString();

            txtCompanyShortName.Text = grdCompany.Rows[rowIndex].Cells["company_short_name"].Value.ToString().Trim();

            grdCompany.Visible = false;

            return;
        }

        private void cmbTaskType_SelectedIndexChanged(object sender, EventArgs e)
        {
            string taskType = cmbTaskType.Text;
            bool isSaveable = false;

            switch (taskType)
            {
                case "净值校验":
                case "资产校验":
                case "新基金":
                case "净值缺失":
                case "资产缺失":
                case "历史净值":
                case "历史资产":
                    lblEntityTypeName.Text = "基金";
                    isSaveable = true;
                    break;
                case "邮件处理":
                    lblEntityTypeName.Text = "邮件";
                    txtEntityName.Text = "暂不支持";
                    isSaveable = false;
                    break;
                case "文件解析":
                    lblEntityTypeName.Text = "文件";
                    txtEntityName.Text = "暂不支持";
                    isSaveable = false;
                    break;
                default:
                    lblEntityTypeName.Text = "未知";
                    break;
            }

            if (isSaveable == false)
            {
                txtEntityName.Enabled = false;
                btnEntitySearch.Enabled = false;
                btnSaveTask.Enabled = false;
            }
            else
            {
                txtCompanyShortName.Enabled = false;
                btnCompanySearch.Enabled = false;
                txtEntityName.Enabled = true;
                btnEntitySearch.Enabled = true;
                btnSaveTask.Enabled = true;
            }
        }

        private void btnEntitySearch_Click(object sender, EventArgs e)
        {
            if (txtEntityName.TextLength < 3)
            {
                MessageBox.Show("请输入至少三个字，不然结果太多看不过来 @@", "建议信息", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                txtEntityName.Focus();
                return;
            }

            // 只搜私募
            DataTable funds = DataAccess.Search_dm_fund(UIConstants.RaiseType.FirstOrDefault(x=>x.Value=="私募").Key, txtEntityName.Text.Trim());
            if (funds == null || funds.Rows.Count == 0)
            {
                MessageBox.Show("- - 没有找到结果，换个关键字试试？", "建议信息", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                txtEntityName.Focus();
                return;

            }

            grdEntity.DataSource = funds;
            grdEntity.Columns["fund_id"].Visible = false;
            grdEntity.Columns["fund_name"].Visible = false;
            grdEntity.Columns["company_id"].Visible = false;
            grdEntity.Columns["company_short_name"].Visible = false;
            grdEntity.Columns["strategy"].Visible = false;
            grdEntity.Columns["substrategy"].Visible = false;
            //grdEntity.Columns["max_price_date"].Visible = false;
            grdEntity.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            grdEntity.Columns["fund_short_name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.DisplayedCells;
            grdEntity.Visible = true;

        }

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

            if (columnIndex < 0 || rowIndex < 0) return;

            task.EntityId = grdEntity.Rows[rowIndex].Cells["fund_id"].Value.ToString();
            task.ProviderId = grdEntity.Rows[rowIndex].Cells["company_id"].Value.ToString();

            txtEntityName.Text = grdEntity.Rows[rowIndex].Cells["fund_short_name"].Value.ToString();

            txtCompanyShortName.Text = grdEntity.Rows[rowIndex].Cells["company_short_name"].Value.ToString();
            

            grdEntity.Visible = false;

            return;
        }
    }
}