using Shared;
using HDL_ON.UI.CSS;
using System;
using System.Collections.Generic;
using System.Text;

namespace HDL_ON.Stan
{
    /// <summary>
    /// 底部日期选择控件(年月日),不需要加到父控件
    /// </summary>
    public class BottomDateSelectControl : BottomDialogCommon
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 结束事件(0:点击了取消  1:点击了确定,第二,三,四参数为年月日)
        /// </summary>
        public Action<int, int, int, int> FinishEvent = null;
        /// <summary>
        /// 年的集合
        /// </summary>
        private List<string> listYear = new List<string>();
        /// <summary>
        /// 月的集合
        /// </summary>
        private List<string> listMonth = new List<string>();
        /// <summary>
        /// 日的集合
        /// </summary>
        private List<string> listDay = new List<string>();
        /// <summary>
        /// 选择的年
        /// </summary>
        private int selectYear = 0;
        /// <summary>
        /// 选择的月
        /// </summary>
        private int selectMonth = 0;
        /// <summary>
        /// 选择的日
        /// </summary>
        private int selectDay = 0;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 底部时间选择控件(年月日),不需要加到父控件
        /// </summary>
        /// <param name="i_title">标题</param>
        /// <param name="clickBackClose">点击背景时,是否关闭弹窗</param>
        public BottomDateSelectControl(string i_title = "", bool clickBackClose = true)
        {
            base.ClickBackClose = clickBackClose;
            base.StrTitle = i_title;
            base.RowCount = 5;
        }

        /// <summary>
        /// 初始化控件(月日)
        /// </summary>
        /// <param name="i_month">默认选择月</param>
        /// <param name="i_day">默认选择日</param>
        public void InitControl(int i_month, int i_day)
        {
            //初始化控件
            this.DoInitControl(0, i_month, i_day, -1, -1);
        }

        /// <summary>
        /// 初始化控件(年月日)
        /// </summary>
        /// <param name="i_year">默认选择年</param>
        /// <param name="i_month">默认选择月</param>
        /// <param name="i_day">默认选择日</param>
        /// <param name="i_yearFrom">年的范围指定,以当前年为基准,向前几年,请输入正数</param>
        /// <param name="i_yearTo">年的范围指定,以当前年为基准,向后几年,请输入正数</param>
        public void InitControl(int i_year, int i_month, int i_day, int i_yearFrom, int i_yearTo)
        {
            //初始化控件
            this.DoInitControl(i_year, i_month, i_day, i_yearFrom, i_yearTo);
        }

        /// <summary>
        /// 初始化控件
        /// </summary>
        /// <param name="i_year">默认选择年</param>
        /// <param name="i_month">默认选择月</param>
        /// <param name="i_day">默认选择日</param>
        /// <param name="i_yearFrom">年的范围指定,以当前年为基准,向前几年,请输入正数</param>
        /// <param name="i_yearTo">年的范围指定,以当前年为基准,向后几年,请输入正数</param>
        private void DoInitControl(int i_year, int i_month, int i_day, int i_yearFrom, int i_yearTo)
        {
            //已经初始化
            if (base.btnCancel != null) { return; }

            this.selectYear = i_year;
            this.selectMonth = i_month;
            this.selectDay = i_day;

            //初始化年月日列表
            this.InitYearMonthDayList(i_yearFrom, i_yearTo);

            //初始化底层控件
            var frameWhiteBack = base.InitBaseControl();
            //取消
            base.btnCancel.ButtonClickEvent += (sender, e) =>
            {
                base.Close();
                this.FinishEvent?.Invoke(0, 0, 0, 0);
                this.FinishEvent = null;
            };
            //确认
            base.btnConfirm.ButtonClickEvent += (sender, e) =>
            {
                //检测选择的年月日是否正确
                if (HdlCommonLogic.Current.CheckDateIsRight(selectYear, selectMonth, selectDay) == false)
                {
                    return;
                }
                base.Close();
                this.FinishEvent?.Invoke(1, selectYear, selectMonth, selectDay);
                this.FinishEvent = null;
            };

            //线
            var btnLine = new NormalViewControl(frameWhiteBack.Width, HdlControlResourse.BottomLineHeight, false);
            btnLine.BackgroundColor = CSS_Color.PromptingColor2;
            btnLine.Y = btnCancel.Bottom;
            frameWhiteBack.AddChidren(btnLine);

            //时间控件
            var pickerView = new UIPickerView();
            pickerView.Height = frameWhiteBack.Height - btnLine.Bottom;
            pickerView.Width = frameWhiteBack.Width - Application.GetRealWidth(8) * 2;
            pickerView.Y = btnLine.Bottom;
            pickerView.Gravity = Gravity.CenterHorizontal;
            frameWhiteBack.AddChidren(pickerView);

            if (Language.CurrentLanguage == "Chinese")
            {
                //初始化控件(中文)
                this.DoInitControlOnChineseLanguage(pickerView, i_year, i_month, i_day);
            }
            else
            {
                //初始化控件(英文)
                this.DoInitControlOnEnglishLanguage(pickerView, i_year, i_month, i_day);
            }
        }

        /// <summary>
        /// 初始化控件(中文)
        /// </summary>
        /// <param name="pickerView">时间控件</param>
        /// <param name="i_year">默认选择年</param>
        /// <param name="i_month">默认选择月</param>
        /// <param name="i_day">默认选择日</param>
        private void DoInitControlOnChineseLanguage(UIPickerView pickerView, int i_year, int i_month, int i_day)
        {
            //默认索引
            var index1 = listYear.IndexOf(i_year.ToString() + Language.StringByID(StringId.Years));
            if (index1 == -1) { index1 = 0; }
            var index2 = listMonth.IndexOf(i_month.ToString() + Language.StringByID(StringId.month));
            if (index2 == -1) { index2 = 0; }
            var index3 = listDay.IndexOf(i_day.ToString() + Language.StringByID(StringId.day));
            if (index3 == -1) { index2 = 0; }

            pickerView.setNPicker(listYear.Count == 0 ? null : listYear, listMonth, listDay);
            //设置初始选择
            pickerView.setCurrentItems(index1, index2, index3);

            pickerView.OnSelectChangeEvent = (value1, value2, value3) =>
            {
                //更改索引
                selectYear = Convert.ToInt32(listYear[value1].Substring(0, 4));
                selectMonth = value2 + 1;
                selectDay = value3 + 1;
            };
        }

        /// <summary>
        /// 初始化控件(英文)
        /// </summary>
        /// <param name="pickerView">时间控件</param>
        /// <param name="i_year">默认选择年</param>
        /// <param name="i_month">默认选择月</param>
        /// <param name="i_day">默认选择日</param>
        private void DoInitControlOnEnglishLanguage(UIPickerView pickerView, int i_year, int i_month, int i_day)
        {
            //默认索引
            var index1 = listYear.IndexOf(i_year.ToString());
            if (index1 == -1) { index1 = 0; }
            var index2 = i_month - 1;
            var index3 = i_day - 1;

            pickerView.setNPicker(listYear.Count == 0 ? null : listDay, listMonth, listYear);
            //设置初始选择
            pickerView.setCurrentItems(index3, index2, index1);

            pickerView.OnSelectChangeEvent = (value1, value2, value3) =>
            {
                //更改索引
                selectYear = Convert.ToInt32(listYear[value3]);
                selectMonth = value2 + 1;
                selectDay = value1 + 1;
            };
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 初始化年月日列表
        /// </summary>
        /// <param name="i_yearFrom">年的范围指定,以当前年为基准,向前几年,请输入正数</param>
        /// <param name="i_yearTo">年的范围指定,以当前年为基准,向后几年,请输入正数</param>
        private void InitYearMonthDayList(int i_yearFrom, int i_yearTo)
        {
            //年
            var strYear = Language.CurrentLanguage == "Chinese" ? Language.StringByID(StringId.Years) : string.Empty;
            //月
            var strMonth = Language.StringByID(StringId.month);
            //日
            var strDay = Language.CurrentLanguage == "Chinese" ? Language.StringByID(StringId.day) : string.Empty;

            //获取年的列表
            int nowYear = DateTime.Now.Year;
            for (int i = i_yearFrom; i > 0; i--)
            {
                this.listYear.Add((nowYear - i) + strYear);
            }
            this.listYear.Add(nowYear + strYear);
            for (int i = i_yearTo; i > 0; i--)
            {
                this.listYear.Add((nowYear + i) + strYear);
            }

            //获取月的列表
            for (int i = 1; i <= 12; i++)
            {
                if (Language.CurrentLanguage == "Chinese")
                {
                    //中文
                    this.listMonth.Add(i.ToString() + strMonth);
                }
                else
                {
                    //英文
                    this.listMonth.Add(HdlCommonLogic.Current.GetMonthShortText(i));
                }
            }

            //获取日的列表
            for (int i = 1; i <= 31; i++)
            {
                this.listDay.Add(i.ToString() + strDay);
            }
        }

        /// <summary>
        /// 关闭界面
        /// </summary>
        public override void Close()
        {
            base.Close();
            this.FinishEvent = null;
        }

        #endregion
    }
}