package com.xscm.moduleutil.utils;

import android.content.Context;
import android.view.View;

import androidx.annotation.NonNull;


import com.xscm.moduleutil.R;
import com.xscm.moduleutil.bean.DateBean;
import com.xscm.moduleutil.databinding.MeDialogDateSelectBinding;
import com.xscm.moduleutil.widget.picker.PickerView;

import java.util.ArrayList;
import java.util.List;


/**
 * 日期选择
 */
public class DateSelectDialog extends BaseBottomSheetDialog<MeDialogDateSelectBinding> {




    private int year = 0;
    private int month = 0;
    private OnSelectDate mOnSelectDate;
    private List<DateBean> yearList;
    private List<DateBean> monthList;
    private List<DateBean> dayList;

    public DateSelectDialog(@NonNull Context context) {
        super(context);
    }

    @Override
    public int getLayout() {
        return R.layout.me_dialog_date_select;
    }

    @Override
    public void initView() {
        this.setCancelable(false);
        this.setCanceledOnTouchOutside(false);
        mBinding.tvCancel.setOnClickListener(this::onClick);
        mBinding.tvConfirm.setOnClickListener(this::onClick);
    }

    @Override
    public void initData() {
        setYear();
        int defaultYearPos = yearList.size() - 1; // 默认选中最新的年份（16年前）
        mBinding.pickerViewYear.setSelectedItemPosition(defaultYearPos);

        // 获取默认年份
        int defaultYear = yearList.get(defaultYearPos).getDate();
        setMonth(defaultYear);
        mBinding.pickerViewMonth.setSelectedItemPosition(0);

        setDay(defaultYear, 1);
        mBinding.pickerViewDay.setSelectedItemPosition(0);
    }

    public void setData(String y, String m, String d) {
        int yIndex = 0;
        for (int i = 0; i < yearList.size(); i++) {
            DateBean dateBean = yearList.get(i);
            if (dateBean.getText().equals(y)) {
                yIndex = i;
            }
        }
        mBinding.pickerViewYear.setSelectedItemPosition(yIndex);
        monthList = getMonth(Integer.parseInt(y));
        int mIndex = 0;
        for (int i = 0; i < monthList.size(); i++) {
            DateBean dateBean = monthList.get(i);
            if (dateBean.getText().equals(m)) {
                mIndex = i;
            }
        }
        mBinding.pickerViewMonth.setSelectedItemPosition(mIndex);
        dayList = getDay(Integer.parseInt(y), Integer.parseInt(m));
        int dIndex = 0;
        for (int i = 0; i < dayList.size(); i++) {
            DateBean dateBean = dayList.get(i);
            if (dateBean.getText().equals(d)) {
                dIndex = i;
            }
        }
        mBinding.pickerViewDay.setSelectedItemPosition(dIndex);
    }


    private void setDay(int year, int month) {
        dayList = getDay(year, month);
        mBinding.pickerViewDay.setItems(dayList, new PickerView.OnItemSelectedListener<DateBean>() {
            @Override
            public void onItemSelected(DateBean item) {

            }
        });
        mBinding.pickerViewDay.notifyDataSetChanged();
    }

    private void setMonth(int year) {
        monthList = getMonth(year);
        mBinding.pickerViewMonth.setItems(monthList, new PickerView.OnItemSelectedListener<DateBean>() {
            @Override
            public void onItemSelected(DateBean item) {
                month = item.getDate();
                setDay(year, month);
            }
        });
        mBinding.pickerViewMonth.notifyDataSetChanged();
    }

    private void setYear() {
        yearList = getYear();
        mBinding.pickerViewYear.setItems(yearList, new PickerView.OnItemSelectedListener<DateBean>() {
            @Override
            public void onItemSelected(DateBean item) {
                year = item.getDate();
                setMonth(year);
            }
        });
        mBinding.pickerViewYear.notifyDataSetChanged();
    }


    private List<DateBean> getDay(int year, int month) {
        int dayLimit = TimeUtils.getDaysByYearMonth(year, month);
        int currentYear = TimeUtils.getYear();
        int currentMonth = TimeUtils.getMonth();
        int currentDay = TimeUtils.getDay();

        // 如果是最大年份且是最大月份，则日期不能超过当前日期
        if (year == currentYear - 16 && month == currentMonth) {
            dayLimit = currentDay;
        }

        List<DateBean> dayList = new ArrayList<>();
        for (int i = 1; i <= dayLimit; i++) {
            if (i <= 9) {
                dayList.add(new DateBean("0" + i, i));
            } else {
                dayList.add(new DateBean(String.valueOf(i), i));
            }
        }

        return dayList;
    }

    private List<DateBean> getMonth(int year) {
        List<DateBean> monthList = new ArrayList<>();
        int currentYear = TimeUtils.getYear();
        int currentMonth = TimeUtils.getMonth();

        int monthLimit = 12;
        // 如果是最大年份（16年前），则月份不能超过当前月份
        if (year == currentYear - 16) {
            monthLimit = currentMonth;
        }

        for (int i = 1; i <= monthLimit; i++) {
            if (i <= 9) {
                monthList.add(new DateBean("0" + i, i));
            } else {
                monthList.add(new DateBean(String.valueOf(i), i));
            }
        }
        return monthList;
    }

    private List<DateBean> getYear() {
        int currentYear = TimeUtils.getYear();
        int minYear = currentYear - 100; // 最小年份设为100年前
        int maxYear = currentYear - 16;  // 最大年份设为16年前

        List<DateBean> yearList = new ArrayList<>();
        for (int i = minYear; i <= maxYear; i++) {
            yearList.add(new DateBean(String.valueOf(i), i));
        }
        return yearList;
    }


    public void onClick(View view) {

        dismiss();
        if (view.getId() == R.id.tv_confirm) {
            if (mOnSelectDate != null) {
                DateBean year = mBinding.pickerViewYear.getSelectedItem(DateBean.class);
                DateBean month = mBinding.pickerViewMonth.getSelectedItem(DateBean.class);
                DateBean day = mBinding.pickerViewDay.getSelectedItem(DateBean.class);
                mOnSelectDate.selectDate(year.getText(), month.getText(), day.getText());
            }
        }
    }

    public void setmOnSelectDate(OnSelectDate mOnSelectDate) {
        this.mOnSelectDate = mOnSelectDate;
    }

    public interface OnSelectDate {
        void selectDate(String year, String month, String day);
    }
}