using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using WebLib;

namespace Education.Forms.辦訓狀況
{
    public partial class 教學日誌處理 : FormBase
    {
        private DAC_訓練課程內容 Dao訓練課程內容;
        private DAC_教學日誌 Dao教學日誌;
        private int 課程企劃ID;
        private int 課程序號;
        private bool 主簽核已核准 = false;

        protected void Page_Load(object sender, EventArgs e)
        {
            FunctionName = "教學日誌暨異常狀況登錄";
            Dao訓練課程內容 = new DAC_訓練課程內容(conn);
            Dao教學日誌 = new DAC_教學日誌(conn);
            Form_View = FormView1;
            FormView_DataSource = ds教學日誌;

            if (IsPostBack)
            {
                Form_View.DataBind();
            }

            Form_View.Visible = (訓練企劃搜尋.訓練企劃編號 > 0
              && ddl課程內容.SelectedValue != null && ddl課程內容.SelectedValue.Length > 0);

            送簽1.Send += 送簽_Changed;
            送簽1.Approved += 送簽_Changed;
            送簽1.Rejected += 送簽_Changed;
            送簽1.Canceled += 送簽_Changed;
            送簽1.Withdrawn += 送簽_Changed;
            送簽2.Send += 送簽_Changed;
            送簽2.Approved += 送簽_Changed;
            送簽2.Rejected += 送簽_Changed;
            送簽2.Canceled += 送簽_Changed;
            送簽2.Withdrawn += 送簽_Changed;

            if (!Form_View.Visible || Form_View.CurrentMode != FormViewMode.ReadOnly)
            {
                送簽1.Visible = false;
                送簽2.Visible = false;
            }
        }

        private void 送簽_Changed(object sender, EventArgs e)
        {
            Form_View.DataBind();
        }

        protected void ds已上課_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
        {
            e.ObjectInstance = Dao訓練課程企劃;
        }

        protected void ds課程內容_ObjectCreating(object sender, ObjectDataSourceEventArgs e)
        {
            e.ObjectInstance = Dao訓練課程內容;
        }

        protected void btn查詢1_Click(object sender, EventArgs e)
        {
            if (訓練企劃搜尋.訓練企劃編號 == 0)
            {
                Panel1.Visible = false;
                Panel2.Visible = false;
                lbMessage.Text = "請選擇課程企劃";
                return;
            }

            Panel1.Visible = true;
            ddl課程內容.DataBind();
            Panel2.Visible = ddl課程內容.Items.Count > 0;
        }

        protected void btn查詢2_Click(object sender, EventArgs e)
        {
            Form_View.ChangeMode(FormViewMode.ReadOnly);
            Form_View.DataBind();
        }

        protected override void FormView_DataBound(object sender, EventArgs e)
        {
            if (!Form_View.Visible)
                return;

            //if (Form_View.PageCount == 0)
            //{
            //    if (Form_View.CurrentMode != FormViewMode.Insert)
            //    {
            //        Form_View.ChangeMode(FormViewMode.Insert);
            //        Form_View.DataBind();
            //        return;
            //    }
            //}

            課程企劃ID = 訓練企劃搜尋.訓練企劃編號;
            課程序號 = DAC.GetInt32(ddl課程內容.SelectedValue);

            base.FormView_DataBound(sender, e);

            // DataBound 事件在 ReadOnly/Edit/Insert DataBound 之後觸發，
            // 在此做最後一次送簽區塊可見性確認，避免切換課程時停留在舊狀態。
            if (Form_View.CurrentMode == FormViewMode.ReadOnly && Form_View.SelectedValue != null)
            {
                送簽1.Visible = true;
                送簽2.Visible = 已送簽且未撤單(Dao表單簽核主檔.GetLastStatus(
                    "教學日誌暨異常狀況", String.Format("{0}|{1}", 課程企劃ID, 課程序號)));
            }
            else
            {
                送簽1.Visible = false;
                送簽2.Visible = false;
            }
        }

        private void 顯示課程內容相關資料()
        {
            訓練課程內容List d = Dao訓練課程內容.SelectOne(課程企劃ID, 課程序號);
            if (d.Count > 0)
            {
                if (FindControl<ITextControl>(Form_View, "lb節次") != null)
                    FindControl<ITextControl>(Form_View, "lb節次").Text = d[0].節次.ToString();
                if (FindControl<ITextControl>(Form_View, "lb講師") != null)
                    FindControl<ITextControl>(Form_View, "lb講師").Text = Dao訓練課程企劃.Select選定講師名稱(課程企劃ID, 課程序號);
            }
        }

        protected override void FormView_InsertDataBound(object sender, EventArgs e)
        {
            base.FormView_InsertDataBound(sender, e);

            訓練課程企劃List d = Dao訓練課程企劃.SelectOne(課程企劃ID);
            if (d.Count == 0)
                return;

            FindControl<ITextControl>(Form_View, "lb課程企劃編號").Text = d[0].顯示編號;
            FindControl<HiddenField>(Form_View, "hf課程序號").Value = ddl課程內容.SelectedValue;
            FindControl<DateTextBox>(Form_View, "txt填表日期").Value = DateTime.UtcNow.AddHours(8).Date;
            FindControl<ITextControl>(Form_View, "txt填表人員").Text = UserId;
            FindControl<ITextControl>(Form_View, "lb填表人員X").Text = Get員工姓名(UserId);

            顯示課程內容相關資料();
            送簽1.Visible = false;
            送簽2.Visible = false;
            btn填寫追蹤.Visible = false;
            pnl追蹤編輯.Visible = false;
        }

        protected override void FormView_EditDataBound(object sender, EventArgs e)
        {
            base.FormView_EditDataBound(sender, e);
            訓練課程企劃List d = Dao訓練課程企劃.SelectOne(課程企劃ID);
            if (d.Count == 0)
                return;

            FindControl<ITextControl>(Form_View, "lb課程企劃編號").Text = d[0].顯示編號;

            顯示課程內容相關資料();
            送簽1.Visible = false;
            送簽2.Visible = false;
            btn填寫追蹤.Visible = false;
            pnl追蹤編輯.Visible = false;
        }

        private void Set新增欄位顯示()
        {
            string[] 新欄位ID = { "lb觀察01", "lb觀察02", "lb觀察03", "lb觀察04", "lb觀察05", "lb觀察06", "lb觀察07", "lb觀察08", "lb觀察說明", "lb觀察紀錄1", "lb觀察紀錄2", "lb是否需後續追蹤", "lb追蹤事項", "lb處理結果追蹤" };
            foreach (string 控制項ID in 新欄位ID)
            {
                Label lb = FindControl<Label>(Form_View, 控制項ID);
                if (lb != null && String.IsNullOrEmpty(lb.Text.Trim()))
                {
                    lb.Text = "2026年新增欄位";
                    lb.ForeColor = System.Drawing.Color.Gray;
                }
            }
        }

        protected override void FormView_ReadOnlyDataBound(object sender, EventArgs e)
        {
            base.FormView_ReadOnlyDataBound(sender, e);
            顯示課程內容相關資料();
            Set新增欄位顯示();

            btn填寫追蹤.Visible = false;
            pnl追蹤編輯.Visible = false;
            主簽核已核准 = false;

            if (Form_View.SelectedValue != null)
            {
                訓練課程企劃List d = Dao訓練課程企劃.SelectOne(課程企劃ID);
                if (d.Count == 0)
                    return;

                FindControl<ITextControl>(Form_View, "lb課程企劃編號").Text = d[0].顯示編號;

                string 表單ID = String.Format("{0}|{1}", 課程企劃ID, 課程序號);

                送簽1.表單ID = 表單ID;
                送簽1.訓練課程企劃編號 = 課程企劃ID;
                送簽1.編號2 = 課程序號;
                送簽1.表單ID格式 = String.Format("[{0}] {1}<br>[{2}] {3}",
                  d[0].顯示編號, d[0].訓練名稱, 課程序號, ddl課程內容.SelectedItem.Text);

                教學日誌List data = ds教學日誌.Select() as 教學日誌List;
                送簽1.可送簽 = data[0].填表人員 == UserId;
                送簽1.Refresh();

                表單簽核主檔 主簽核狀態 = Dao表單簽核主檔.GetLastStatus("教學日誌暨異常狀況", 表單ID);
                LinkButton btnUpdate = FindControl<LinkButton>(Form_View, "btnUpdate");
                if (btnUpdate != null)
                    btnUpdate.Visible = !已送簽且未撤單(主簽核狀態);

                bool 主單已送簽 = 已送簽且未撤單(主簽核狀態);
                主簽核已核准 = 主簽核狀態 != null
                    && 主簽核狀態.最終結果 == "Y"
                    && 主簽核狀態.應簽關數.CompareTo("D") != 0;

                表單簽核主檔 trackingStatus = Dao表單簽核主檔.GetLastStatus("處理結果追蹤", 表單ID);
                bool 追蹤已核准 = trackingStatus != null
                    && trackingStatus.最終結果 == "Y"
                    && trackingStatus.應簽關數 != "D";

                if (主單已送簽)
                {
                    送簽2.表單ID = 表單ID;
                    送簽2.訓練課程企劃編號 = 課程企劃ID;
                    送簽2.編號2 = 課程序號;
                    送簽2.表單ID格式 = String.Format("[{0}] {1}<br>[{2}] {3}",
                      d[0].顯示編號, d[0].訓練名稱, 課程序號, ddl課程內容.SelectedItem.Text);
                    送簽2.可送簽 = data[0].填表人員 == UserId;
                    送簽2.Refresh();

                    btn填寫追蹤.Visible = data[0].填表人員 == UserId && !追蹤已核准;
                }
            }

            送簽1.Visible = Form_View.SelectedValue != null;
            送簽2.Visible = Form_View.SelectedValue != null
                && 已送簽且未撤單(Dao表單簽核主檔.GetLastStatus(
                    "教學日誌暨異常狀況", String.Format("{0}|{1}", 課程企劃ID, 課程序號)));
        }

        protected void btn填寫追蹤_Click(object sender, EventArgs e)
        {
            教學日誌List data = ds教學日誌.Select() as 教學日誌List;
            string 表單ID = String.Format("{0}|{1}", 課程企劃ID, 課程序號);
            表單簽核主檔 主簽核狀態 = Dao表單簽核主檔.GetLastStatus("教學日誌暨異常狀況", 表單ID);
            if (data.Count == 0 || data[0].填表人員 != UserId || !已送簽且未撤單(主簽核狀態))
            {
                lbMessage.Text = "教學日誌暨異常狀況尚未送簽、已撤單或目前使用者無權限填寫。";
                return;
            }

            txt追蹤內容.Text = data[0].處理結果追蹤;

            btn填寫追蹤.Visible = false;
            pnl追蹤編輯.Visible = true;
            送簽1.Visible = false;
            送簽2.Visible = false;
        }

        protected void btn追蹤存檔_Click(object sender, EventArgs e)
        {
            教學日誌List data = ds教學日誌.Select() as 教學日誌List;
            string 表單ID = String.Format("{0}|{1}", 課程企劃ID, 課程序號);
            表單簽核主檔 主簽核狀態 = Dao表單簽核主檔.GetLastStatus("教學日誌暨異常狀況", 表單ID);
            if (data.Count == 0 || data[0].填表人員 != UserId || !已送簽且未撤單(主簽核狀態))
            {
                lbMessage.Text = "教學日誌暨異常狀況尚未送簽、已撤單或目前使用者無權限填寫。";
                pnl追蹤編輯.Visible = false;
                Form_View.DataBind();
                return;
            }

            表單簽核主檔 trackingStatus = Dao表單簽核主檔.GetLastStatus("處理結果追蹤", 表單ID);
            if (trackingStatus != null && trackingStatus.最終結果 == "Y" && trackingStatus.應簽關數 != "D")
            {
                lbMessage.Text = "處理結果追蹤已完成簽核，不可修改。";
                pnl追蹤編輯.Visible = false;
                Form_View.DataBind();
                return;
            }

            if (String.IsNullOrEmpty(txt追蹤內容.Text.Trim()))
            {
                lbMessage.Text = "請輸入處理結果追蹤。";
                return;
            }

            Dao教學日誌.Update處理結果追蹤(課程企劃ID, 課程序號, txt追蹤內容.Text);

            pnl追蹤編輯.Visible = false;
            Form_View.DataBind();
        }

        protected void btn追蹤取消_Click(object sender, EventArgs e)
        {
            pnl追蹤編輯.Visible = false;
            Form_View.DataBind();
        }

        protected void FormView1_ItemInserting(object sender, FormViewInsertEventArgs e)
        {
            e.Values["課程企劃編號"] = 課程企劃ID;
            e.Values["處理結果追蹤"] = "";
        }

        protected void FormView1_ItemUpdating(object sender, FormViewUpdateEventArgs e)
        {
            string 表單ID = String.Format("{0}|{1}", 課程企劃ID, 課程序號);
            表單簽核主檔 status = Dao表單簽核主檔.GetLastStatus("教學日誌暨異常狀況", 表單ID);
            if (已送簽且未撤單(status))
            {
                e.Cancel = true;
                lbMessage.Text = "教學日誌暨異常狀況已送簽，不可更正。";
                Form_View.ChangeMode(FormViewMode.ReadOnly);
                Form_View.DataBind();
                return;
            }

            教學日誌List data = ds教學日誌.Select() as 教學日誌List;
            if (data.Count > 0)
                e.NewValues["處理結果追蹤"] = data[0].處理結果追蹤;
        }

        protected void cv觀察說明_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = !String.IsNullOrEmpty(FindFormValue(source, "txt觀察說明").Trim());
        }

        protected void cv異常情形_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = FindFormValue(source, "ddl有無異常事項") == "0"
                || !String.IsNullOrEmpty(FindFormValue(source, "txt異常情形").Trim());
        }

        protected void cv追蹤事項_ServerValidate(object source, ServerValidateEventArgs args)
        {
            args.IsValid = FindFormValue(source, "ddl是否需後續追蹤") == "0"
                || FindFormValue(source, "ddl是否需後續追蹤") == "1"
                || !String.IsNullOrEmpty(FindFormValue(source, "txt追蹤事項").Trim());
        }

        private bool 已送簽且未撤單(表單簽核主檔 status)
        {
            return status != null
                && !(status.應簽關數 == "D" && status.已簽關數 == "D");
        }

        protected void ds課程內容_Selected(object sender, ObjectDataSourceStatusEventArgs e)
        {
            // 只有在尚未顯示可送簽的日誌時才隱藏送簽區，避免覆寫已正確顯示的區塊
            if (Form_View.CurrentMode != FormViewMode.ReadOnly || Form_View.SelectedValue == null)
            {
                送簽1.Visible = false;
                送簽2.Visible = false;
            }
        }
    }
}